[llvm] bbfaf0b - Autogen more vectorizer tests in advance of D115387.
Florian Hahn via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 13 12:03:34 PST 2021
Hi
> On Dec 13, 2021, at 19:04, Philip Reames via llvm-commits <llvm-commits at lists.llvm.org> wrote:
>
>
> Author: Philip Reames
> Date: 2021-12-13T11:04:20-08:00
> New Revision: bbfaf0b170b6070e08f1dc22419dfedc75b9a0fe
>
> URL: https://github.com/llvm/llvm-project/commit/bbfaf0b170b6070e08f1dc22419dfedc75b9a0fe
> DIFF: https://github.com/llvm/llvm-project/commit/bbfaf0b170b6070e08f1dc22419dfedc75b9a0fe.diff
>
> LOG: Autogen more vectorizer tests in advance of D115387.
>
> These are the ones my first round of scripting couldn't handle that required a bit of manual messaging. This should be the last batch in llvm-check.
>
> Added:
>
>
> Modified:
> llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
> llvm/test/Transforms/LoopVectorize/bsd_regex.ll
> llvm/test/Transforms/LoopVectorize/first-order-recurrence.ll
> llvm/test/Transforms/LoopVectorize/float-induction.ll
> llvm/test/Transforms/LoopVectorize/induction.ll
>
> Removed:
>
>
>
> ################################################################################
> diff --git a/llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll b/llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
> index 1a030ab6d72e..85dc043d33c7 100644
> --- a/llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
> +++ b/llvm/test/Transforms/LoopVectorize/X86/consecutive-ptr-uniforms.ll
> @@ -1,3 +1,4 @@
> +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
> ; REQUIRES: asserts
> ; RUN: opt < %s -aa-pipeline=basic-aa -passes=loop-vectorize,instcombine -S -debug-only=loop-vectorize -disable-output -print-after=instcombine 2>&1 | FileCheck %s
> ; RUN: opt < %s -loop-vectorize -instcombine -S -debug-only=loop-vectorize -disable-output -print-after=instcombine -enable-new-pm=0 2>&1 | FileCheck %s
> @@ -6,33 +7,35 @@
> target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
> target triple = "x86_64-unknown-linux-gnu"
>
> -; CHECK-LABEL: PR31671
> ;
> ; Check a pointer in which one of its uses is consecutive-like and another of
> -; its uses is non-consecutive-like. In the test case below, %tmp3 is the
> +; its uses is non-consecutive-like. In the test case below, %var3 is the
> ; pointer operand of an interleaved load, making it consecutive-like. However,
> ; it is also the pointer operand of a non-interleaved store that will become a
> -; scatter operation. %tmp3 (and the induction variable) should not be marked
> +; scatter operation. %var3 (and the induction variable) should not be marked
> ; uniform-after-vectorization.
> ;
> -; CHECK: LV: Found uniform instruction: %tmp0 = getelementptr inbounds %data, %data* %d, i64 0, i32 3, i64 %i
> -; CHECK-NOT: LV: Found uniform instruction: %tmp3 = getelementptr inbounds %data, %data* %d, i64 0, i32 0, i64 %i
> -; CHECK-NOT: LV: Found uniform instruction: %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
> -; CHECK-NOT: LV: Found uniform instruction: %i.next = add nuw nsw i64 %i, 5
> +
It looks like those checks have been dropped. Was that intentional?
Cheers,
Florian
> INIT]], [[SCALAR_PH]] ], [ [[VAR2:%.*]], [[SCALAR_BODY]] ]
> +; SINK-AFTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 2
> +; SINK-AFTER-NEXT: [[VAR1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I_NEXT]]
> +; SINK-AFTER-NEXT: [[VAR2]] = load i32, i32* [[VAR1]], align 4
> +; SINK-AFTER-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], [[N]]
> +; SINK-AFTER-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @PR30183(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[N:%.*]], -2
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add nuw i64 [[TMP1]], 1
> +; NO-SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4
> +; NO-SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], 2
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i32> poison, i32 [[PRE_LOAD:%.*]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX]], 6
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = add nuw nsw i64 [[TMP3]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = add nuw nsw i64 [[TMP4]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = add nuw nsw i64 [[TMP5]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = add nuw nsw i64 [[TMP6]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP7]]
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP8]]
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP9]]
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP10]]
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP11]], align 4
> +; NO-SINK-AFTER-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP12]], align 4
> +; NO-SINK-AFTER-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP13]], align 4
> +; NO-SINK-AFTER-NEXT: [[TMP18:%.*]] = load i32, i32* [[TMP14]], align 4
> +; NO-SINK-AFTER-NEXT: [[TMP19:%.*]] = insertelement <4 x i32> poison, i32 [[TMP15]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP16]], i32 1
> +; NO-SINK-AFTER-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP20]], i32 [[TMP17]], i32 2
> +; NO-SINK-AFTER-NEXT: [[TMP22]] = insertelement <4 x i32> [[TMP21]], i32 [[TMP18]], i32 3
> +; NO-SINK-AFTER-NEXT: [[TMP23:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP18:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP22]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP22]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ [[PRE_LOAD]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: br label [[SCALAR_BODY:%.*]]
> +; NO-SINK-AFTER: scalar.body:
> +; NO-SINK-AFTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[SCALAR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[VAR2:%.*]], [[SCALAR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 2
> +; NO-SINK-AFTER-NEXT: [[VAR1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I_NEXT]]
> +; NO-SINK-AFTER-NEXT: [[VAR2]] = load i32, i32* [[VAR1]], align 4
> +; NO-SINK-AFTER-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], [[N]]
> +; NO-SINK-AFTER-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> ;
> -define void @PR30183(i32 %pre_load, i32* %a, i32* %b, i64 %n) {
> entry:
> br label %scalar.body
>
> scalar.body:
> %i = phi i64 [ 0, %entry ], [ %i.next, %scalar.body ]
> - %tmp0 = phi i32 [ %pre_load, %entry ], [ %tmp2, %scalar.body ]
> + %var0 = phi i32 [ %pre_load, %entry ], [ %var2, %scalar.body ]
> %i.next = add nuw nsw i64 %i, 2
> - %tmp1 = getelementptr inbounds i32, i32* %a, i64 %i.next
> - %tmp2 = load i32, i32* %tmp1
> + %var1 = getelementptr inbounds i32, i32* %a, i64 %i.next
> + %var2 = load i32, i32* %var1
> %cond = icmp eq i64 %i.next,%n
> br i1 %cond, label %for.end, label %scalar.body
>
> @@ -334,21 +2286,170 @@ for.end:
> ret void
> }
>
> +;
> +define void @constant_folded_previous_value() {
> +; CHECK-LABEL: @constant_folded_previous_value(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: br i1 undef, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: br label [[SCALAR_BODY:%.*]]
> +; CHECK: scalar.body:
> +; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @constant_folded_previous_value(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[SCALAR_BODY:%.*]]
> +; UNROLL: scalar.body:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> ; UNROLL-NO-IC-LABEL: @constant_folded_previous_value(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> ; UNROLL-NO-IC: vector.body:
> -; UNROLL-NO-IC: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 0>, %vector.ph ], [ <i64 1, i64 1, i64 1, i64 1>, %vector.body ]
> -; UNROLL-NO-IC: [[TMP0:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> <i64 1, i64 1, i64 1, i64 1>, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; CHECK-NO-IC-NEXT: add nuw i64
> -; UNROLL-NO-IC: br i1 {{.*}}, label %middle.block, label %vector.body
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 0>, [[VECTOR_PH]] ], [ <i64 1, i64 1, i64 1, i64 1>, [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> <i64 1, i64 1, i64 1, i64 1>, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], undef
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 undef, undef
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ 1, [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ undef, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[SCALAR_BODY:%.*]]
> +; UNROLL-NO-IC: scalar.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[SCALAR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i64 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[VAR3:%.*]], [[SCALAR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR3]] = add i64 0, 1
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], undef
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @constant_folded_previous_value(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION1:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i64 0, 1
> +; UNROLL-NO-VF-NEXT: [[TMP1]] = add i64 0, 1
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], undef
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP19:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i64 undef, undef
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[TMP1]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ undef, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: br label [[SCALAR_BODY:%.*]]
> +; UNROLL-NO-VF: scalar.body:
> +; UNROLL-NO-VF-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[SCALAR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i64 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[VAR3:%.*]], [[SCALAR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VAR3]] = add i64 0, 1
> +; UNROLL-NO-VF-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-VF-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], undef
> +; UNROLL-NO-VF-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @constant_folded_previous_value(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 0>, [[VECTOR_PH]] ], [ <i64 1, i64 1, i64 1, i64 1>, [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> <i64 1, i64 1, i64 1, i64 1>, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], undef
> +; SINK-AFTER-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 undef, undef
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ 1, [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ undef, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; SINK-AFTER-NEXT: br label [[SCALAR_BODY:%.*]]
> +; SINK-AFTER: scalar.body:
> +; SINK-AFTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[SCALAR_BODY]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i64 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[VAR3:%.*]], [[SCALAR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VAR3]] = add i64 0, 1
> +; SINK-AFTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; SINK-AFTER-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], undef
> +; SINK-AFTER-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @constant_folded_previous_value(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i64> [ <i64 poison, i64 poison, i64 poison, i64 0>, [[VECTOR_PH]] ], [ <i64 1, i64 1, i64 1, i64 1>, [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = shufflevector <4 x i64> [[VECTOR_RECUR]], <4 x i64> <i64 1, i64 1, i64 1, i64 1>, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], undef
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP20:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 undef, undef
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ 1, [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ undef, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: br label [[SCALAR_BODY:%.*]]
> +; NO-SINK-AFTER: scalar.body:
> +; NO-SINK-AFTER-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[SCALAR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i64 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[VAR3:%.*]], [[SCALAR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VAR3]] = add i64 0, 1
> +; NO-SINK-AFTER-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; NO-SINK-AFTER-NEXT: [[COND:%.*]] = icmp eq i64 [[I_NEXT]], undef
> +; NO-SINK-AFTER-NEXT: br i1 [[COND]], label [[FOR_END]], label [[SCALAR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> ;
> -define void @constant_folded_previous_value() {
> entry:
> br label %scalar.body
>
> scalar.body:
> %i = phi i64 [ 0, %entry ], [ %i.next, %scalar.body ]
> - %tmp2 = phi i64 [ 0, %entry ], [ %tmp3, %scalar.body ]
> - %tmp3 = add i64 0, 1
> + %var2 = phi i64 [ 0, %entry ], [ %var3, %scalar.body ]
> + %var3 = add i64 0, 1
> %i.next = add nuw nsw i64 %i, 1
> %cond = icmp eq i64 %i.next, undef
> br i1 %cond, label %for.end, label %scalar.body
> @@ -362,31 +2463,230 @@ for.end:
> ; another at the second last index. We need these 2 extracts because
> ; the first order recurrence phi is used outside the loop, so we require the phi
> ; itself and not its update (addx).
> -; UNROLL-NO-IC-LABEL: extract_second_last_iteration
> -; UNROLL-NO-IC: vector.body
> -; UNROLL-NO-IC: %step.add = add <4 x i32> %vec.ind, <i32 4, i32 4, i32 4, i32 4>
> -; UNROLL-NO-IC: %[[L1:.+]] = add <4 x i32> %vec.ind, %broadcast.splat
> -; UNROLL-NO-IC: %[[L2:.+]] = add <4 x i32> %step.add, %broadcast.splat
> -; UNROLL-NO-IC: %index.next = add nuw i32 %index, 8
> -; UNROLL-NO-IC: icmp eq i32 %index.next, 96
> -; UNROLL-NO-IC: middle.block
> -; UNROLL-NO-IC: icmp eq i32 96, 96
> -; UNROLL-NO-IC: %vector.recur.extract = extractelement <4 x i32> %[[L2]], i32 3
> -; UNROLL-NO-IC: %vector.recur.extract.for.phi = extractelement <4 x i32> %[[L2]], i32 2
> -; UNROLL-NO-IC: for.end
> -; UNROLL-NO-IC: %val.phi.lcssa = phi i32 [ %scalar.recur, %for.body ], [ %vector.recur.extract.for.phi, %middle.block ]
> ; Check the case when unrolled but not vectorized.
> -; UNROLL-NO-VF-LABEL: extract_second_last_iteration
> -; UNROLL-NO-VF: vector.body:
> -; UNROLL-NO-VF: %induction = add i32 %index, 0
> -; UNROLL-NO-VF: %induction1 = add i32 %index, 1
> -; UNROLL-NO-VF: %[[L1:.+]] = add i32 %induction, %x
> -; UNROLL-NO-VF: %[[L2:.+]] = add i32 %induction1, %x
> -; UNROLL-NO-VF: %index.next = add nuw i32 %index, 2
> -; UNROLL-NO-VF: icmp eq i32 %index.next, 96
> -; UNROLL-NO-VF: for.end:
> -; UNROLL-NO-VF: %val.phi.lcssa = phi i32 [ %scalar.recur, %for.body ], [ %[[L1]], %middle.block ]
> define i32 @extract_second_last_iteration(i32* %cval, i32 %x) {
> +; CHECK-LABEL: @extract_second_last_iteration(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = phi i32 [ 2, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP1]] = add i32 [[TMP0]], 4
> +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; CHECK-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = add i32 [[TMP0]], [[X:%.*]]
> +; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> +; UNROLL-LABEL: @extract_second_last_iteration(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = phi i32 [ 2, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP1]] = add i32 [[TMP0]], 8
> +; UNROLL-NEXT: [[TMP2:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; UNROLL-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[TMP3:%.*]] = add i32 [[TMP0]], 4
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = add i32 [[TMP3]], [[X:%.*]]
> +; UNROLL-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> +; UNROLL-NO-IC-LABEL: @extract_second_last_iteration(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[X]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT2]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i32 [[INDEX]], 5
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i32 [[INDEX]], 6
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i32 [[INDEX]], 7
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = zext <4 x i32> [[VEC_IND]] to <4 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = zext <4 x i32> [[STEP_ADD]] to <4 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = add <4 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP11]] = add <4 x i32> [[STEP_ADD]], [[BROADCAST_SPLAT3]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP10]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = shufflevector <4 x i32> [[TMP10]], <4 x i32> [[TMP11]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD]], <i32 4, i32 4, i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 96, 96
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP11]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP11]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 96, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[ADDX:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[INC]] = add i32 [[INC_PHI]], 1
> +; UNROLL-NO-IC-NEXT: [[BC:%.*]] = zext i32 [[INC_PHI]] to i64
> +; UNROLL-NO-IC-NEXT: [[ADDX]] = add i32 [[INC_PHI]], [[X]]
> +; UNROLL-NO-IC-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC_PHI]], 95
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ [[SCALAR_RECUR]], [[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> +; UNROLL-NO-VF-LABEL: @extract_second_last_iteration(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION1:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = zext i32 [[INDUCTION]] to i64
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = zext i32 [[INDUCTION1]] to i64
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = add i32 [[INDUCTION]], [[X:%.*]]
> +; UNROLL-NO-VF-NEXT: [[TMP3]] = add i32 [[INDUCTION1]], [[X]]
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP21:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i32 96, 96
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 96, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-VF: for.body:
> +; UNROLL-NO-VF-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[ADDX:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INC]] = add i32 [[INC_PHI]], 1
> +; UNROLL-NO-VF-NEXT: [[BC:%.*]] = zext i32 [[INC_PHI]] to i64
> +; UNROLL-NO-VF-NEXT: [[ADDX]] = add i32 [[INC_PHI]], [[X]]
> +; UNROLL-NO-VF-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC_PHI]], 95
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ [[SCALAR_RECUR]], [[FOR_BODY]] ], [ [[TMP2]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> +; SINK-AFTER-LABEL: @extract_second_last_iteration(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X:%.*]], i32 0
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 2
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = add i32 [[INDEX]], 3
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = zext <4 x i32> [[VEC_IND]] to <4 x i64>
> +; SINK-AFTER-NEXT: [[TMP5]] = add <4 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; SINK-AFTER-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 96, 96
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP5]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP5]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 96, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; SINK-AFTER: for.body:
> +; SINK-AFTER-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[ADDX:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[INC]] = add i32 [[INC_PHI]], 1
> +; SINK-AFTER-NEXT: [[BC:%.*]] = zext i32 [[INC_PHI]] to i64
> +; SINK-AFTER-NEXT: [[ADDX]] = add i32 [[INC_PHI]], [[X]]
> +; SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC_PHI]], 95
> +; SINK-AFTER-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ [[SCALAR_RECUR]], [[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> +; NO-SINK-AFTER-LABEL: @extract_second_last_iteration(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[X:%.*]], i32 0
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = add i32 [[INDEX]], 3
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = zext <4 x i32> [[VEC_IND]] to <4 x i64>
> +; NO-SINK-AFTER-NEXT: [[TMP5]] = add <4 x i32> [[VEC_IND]], [[BROADCAST_SPLAT]]
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP5]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = icmp eq i32 [[INDEX_NEXT]], 96
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 96, 96
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP5]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP5]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 96, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; NO-SINK-AFTER: for.body:
> +; NO-SINK-AFTER-NEXT: [[INC_PHI:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[ADDX:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[INC]] = add i32 [[INC_PHI]], 1
> +; NO-SINK-AFTER-NEXT: [[BC:%.*]] = zext i32 [[INC_PHI]] to i64
> +; NO-SINK-AFTER-NEXT: [[ADDX]] = add i32 [[INC_PHI]], [[X]]
> +; NO-SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[INC_PHI]], 95
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: [[VAL_PHI_LCSSA:%.*]] = phi i32 [ [[SCALAR_RECUR]], [[FOR_BODY]] ], [ [[VECTOR_RECUR_EXTRACT_FOR_PHI]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: ret i32 [[VAL_PHI_LCSSA]]
> +;
> entry:
> br label %for.body
>
> @@ -420,15 +2720,473 @@ for.end:
> ; return a;
> ; }
> ;
> -; UNROLL-NO-IC-LABEL: @PR33613(
> -; UNROLL-NO-IC: vector.body:
> -; UNROLL-NO-IC: [[VECTOR_RECUR:%.*]] = phi <4 x double>
> -; UNROLL-NO-IC: shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> {{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; UNROLL-NO-IC-NEXT: shufflevector <4 x double> {{.*}}, <4 x double> {{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; UNROLL-NO-IC-NOT: insertelement <4 x double>
> -; UNROLL-NO-IC: middle.block:
> ;
> define i32 @PR33613(double* %b, double %j, i32 %d) {
> +; CHECK-LABEL: @PR33613(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x double> poison, double [[J:%.*]], i32 3
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 25
> +; CHECK-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B:%.*]], i64 [[IDXPROM]]
> +; CHECK-NEXT: [[TMP1:%.*]] = or i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP2:%.*]] = mul i64 [[TMP1]], 25
> +; CHECK-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; CHECK-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP4:%.*]] = mul i64 [[TMP3]], 25
> +; CHECK-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 3
> +; CHECK-NEXT: [[TMP6:%.*]] = mul i64 [[TMP5]], 25
> +; CHECK-NEXT: [[NEXT_GEP4:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[TMP2]]
> +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP3]], i64 [[TMP4]]
> +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP4]], i64 [[TMP6]]
> +; CHECK-NEXT: [[TMP11:%.*]] = load double, double* [[TMP7]], align 8
> +; CHECK-NEXT: [[TMP12:%.*]] = load double, double* [[TMP8]], align 8
> +; CHECK-NEXT: [[TMP13:%.*]] = load double, double* [[TMP9]], align 8
> +; CHECK-NEXT: [[TMP14:%.*]] = load double, double* [[TMP10]], align 8
> +; CHECK-NEXT: [[TMP15:%.*]] = insertelement <4 x double> poison, double [[TMP11]], i32 0
> +; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x double> [[TMP15]], double [[TMP12]], i32 1
> +; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x double> [[TMP16]], double [[TMP13]], i32 2
> +; CHECK-NEXT: [[TMP18]] = insertelement <4 x double> [[TMP17]], double [[TMP14]], i32 3
> +; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[TMP17]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; CHECK-NEXT: [[TMP20:%.*]] = fmul <4 x double> [[TMP19]], [[TMP18]]
> +; CHECK-NEXT: [[TMP21:%.*]] = fcmp une <4 x double> [[TMP20]], zeroinitializer
> +; CHECK-NEXT: [[TMP22:%.*]] = zext <4 x i1> [[TMP21]] to <4 x i32>
> +; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI]], [[TMP22]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP25:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP23]])
> +; CHECK-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.cond.cleanup:
> +; CHECK-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP25]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[A_1_LCSSA]]
> +; CHECK: for.body:
> +; CHECK-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
> +;
> +; UNROLL-LABEL: @PR33613(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x double> poison, double [[J:%.*]], i32 3
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP47:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI9:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP48:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP38:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = mul i64 [[INDEX]], 25
> +; UNROLL-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B:%.*]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP2:%.*]] = mul i64 [[TMP1]], 25
> +; UNROLL-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP4:%.*]] = mul i64 [[TMP3]], 25
> +; UNROLL-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP6:%.*]] = mul i64 [[TMP5]], 25
> +; UNROLL-NEXT: [[NEXT_GEP4:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = or i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP8:%.*]] = mul i64 [[TMP7]], 25
> +; UNROLL-NEXT: [[NEXT_GEP5:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = or i64 [[INDEX]], 5
> +; UNROLL-NEXT: [[TMP10:%.*]] = mul i64 [[TMP9]], 25
> +; UNROLL-NEXT: [[NEXT_GEP6:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP11:%.*]] = or i64 [[INDEX]], 6
> +; UNROLL-NEXT: [[TMP12:%.*]] = mul i64 [[TMP11]], 25
> +; UNROLL-NEXT: [[NEXT_GEP7:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = or i64 [[INDEX]], 7
> +; UNROLL-NEXT: [[TMP14:%.*]] = mul i64 [[TMP13]], 25
> +; UNROLL-NEXT: [[NEXT_GEP8:%.*]] = getelementptr double, double* [[B]], i64 [[IDXPROM]]
> +; UNROLL-NEXT: [[TMP15:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[TMP2]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP3]], i64 [[TMP4]]
> +; UNROLL-NEXT: [[TMP18:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP4]], i64 [[TMP6]]
> +; UNROLL-NEXT: [[TMP19:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP5]], i64 [[TMP8]]
> +; UNROLL-NEXT: [[TMP20:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP6]], i64 [[TMP10]]
> +; UNROLL-NEXT: [[TMP21:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP7]], i64 [[TMP12]]
> +; UNROLL-NEXT: [[TMP22:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP8]], i64 [[TMP14]]
> +; UNROLL-NEXT: [[TMP23:%.*]] = load double, double* [[TMP15]], align 8
> +; UNROLL-NEXT: [[TMP24:%.*]] = load double, double* [[TMP16]], align 8
> +; UNROLL-NEXT: [[TMP25:%.*]] = load double, double* [[TMP17]], align 8
> +; UNROLL-NEXT: [[TMP26:%.*]] = load double, double* [[TMP18]], align 8
> +; UNROLL-NEXT: [[TMP27:%.*]] = insertelement <4 x double> poison, double [[TMP23]], i32 0
> +; UNROLL-NEXT: [[TMP28:%.*]] = insertelement <4 x double> [[TMP27]], double [[TMP24]], i32 1
> +; UNROLL-NEXT: [[TMP29:%.*]] = insertelement <4 x double> [[TMP28]], double [[TMP25]], i32 2
> +; UNROLL-NEXT: [[TMP30:%.*]] = insertelement <4 x double> [[TMP29]], double [[TMP26]], i32 3
> +; UNROLL-NEXT: [[TMP31:%.*]] = load double, double* [[TMP19]], align 8
> +; UNROLL-NEXT: [[TMP32:%.*]] = load double, double* [[TMP20]], align 8
> +; UNROLL-NEXT: [[TMP33:%.*]] = load double, double* [[TMP21]], align 8
> +; UNROLL-NEXT: [[TMP34:%.*]] = load double, double* [[TMP22]], align 8
> +; UNROLL-NEXT: [[TMP35:%.*]] = insertelement <4 x double> poison, double [[TMP31]], i32 0
> +; UNROLL-NEXT: [[TMP36:%.*]] = insertelement <4 x double> [[TMP35]], double [[TMP32]], i32 1
> +; UNROLL-NEXT: [[TMP37:%.*]] = insertelement <4 x double> [[TMP36]], double [[TMP33]], i32 2
> +; UNROLL-NEXT: [[TMP38]] = insertelement <4 x double> [[TMP37]], double [[TMP34]], i32 3
> +; UNROLL-NEXT: [[TMP39:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[TMP29]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP40:%.*]] = shufflevector <4 x double> [[TMP30]], <4 x double> [[TMP37]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP41:%.*]] = fmul <4 x double> [[TMP39]], [[TMP30]]
> +; UNROLL-NEXT: [[TMP42:%.*]] = fmul <4 x double> [[TMP40]], [[TMP38]]
> +; UNROLL-NEXT: [[TMP43:%.*]] = fcmp une <4 x double> [[TMP41]], zeroinitializer
> +; UNROLL-NEXT: [[TMP44:%.*]] = fcmp une <4 x double> [[TMP42]], zeroinitializer
> +; UNROLL-NEXT: [[TMP45:%.*]] = zext <4 x i1> [[TMP43]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP46:%.*]] = zext <4 x i1> [[TMP44]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP47]] = add <4 x i32> [[VEC_PHI]], [[TMP45]]
> +; UNROLL-NEXT: [[TMP48]] = add <4 x i32> [[VEC_PHI9]], [[TMP46]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP49:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; UNROLL-NEXT: br i1 [[TMP49]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP48]], [[TMP47]]
> +; UNROLL-NEXT: [[TMP50:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: br i1 true, label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.cond.cleanup:
> +; UNROLL-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP50]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[A_1_LCSSA]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
> +;
> +; UNROLL-NO-IC-LABEL: @PR33613(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = getelementptr double, double* [[B:%.*]], i64 256000
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x double> poison, double [[J:%.*]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP50:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI9:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP51:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP41:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[B]], i64 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = mul i64 [[TMP6]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP4:%.*]] = getelementptr double, double* [[B]], i64 [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = mul i64 [[TMP8]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP5:%.*]] = getelementptr double, double* [[B]], i64 [[TMP9]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = add i64 [[INDEX]], 5
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = mul i64 [[TMP10]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP6:%.*]] = getelementptr double, double* [[B]], i64 [[TMP11]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = add i64 [[INDEX]], 6
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = mul i64 [[TMP12]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP7:%.*]] = getelementptr double, double* [[B]], i64 [[TMP13]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = add i64 [[INDEX]], 7
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = mul i64 [[TMP14]], 25
> +; UNROLL-NO-IC-NEXT: [[NEXT_GEP8:%.*]] = getelementptr double, double* [[B]], i64 [[TMP15]]
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = add i32 [[OFFSET_IDX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP3]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP4]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP5]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP6]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP7]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP8]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = load double, double* [[TMP18]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = load double, double* [[TMP19]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = load double, double* [[TMP20]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = load double, double* [[TMP21]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = insertelement <4 x double> poison, double [[TMP26]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = insertelement <4 x double> [[TMP30]], double [[TMP27]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = insertelement <4 x double> [[TMP31]], double [[TMP28]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = insertelement <4 x double> [[TMP32]], double [[TMP29]], i32 3
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = load double, double* [[TMP22]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = load double, double* [[TMP23]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = load double, double* [[TMP24]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = load double, double* [[TMP25]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = insertelement <4 x double> poison, double [[TMP34]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = insertelement <4 x double> [[TMP38]], double [[TMP35]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = insertelement <4 x double> [[TMP39]], double [[TMP36]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP41]] = insertelement <4 x double> [[TMP40]], double [[TMP37]], i32 3
> +; UNROLL-NO-IC-NEXT: [[TMP42:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[TMP33]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP43:%.*]] = shufflevector <4 x double> [[TMP33]], <4 x double> [[TMP41]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = fmul <4 x double> [[TMP42]], [[TMP33]]
> +; UNROLL-NO-IC-NEXT: [[TMP45:%.*]] = fmul <4 x double> [[TMP43]], [[TMP41]]
> +; UNROLL-NO-IC-NEXT: [[TMP46:%.*]] = fcmp une <4 x double> [[TMP44]], zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP47:%.*]] = fcmp une <4 x double> [[TMP45]], zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP48:%.*]] = zext <4 x i1> [[TMP46]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP49:%.*]] = zext <4 x i1> [[TMP47]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP50]] = add <4 x i32> [[VEC_PHI]], [[TMP48]]
> +; UNROLL-NO-IC-NEXT: [[TMP51]] = add <4 x i32> [[VEC_PHI9]], [[TMP49]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP52:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP52]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP51]], [[TMP50]]
> +; UNROLL-NO-IC-NEXT: [[TMP53:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 10240, 10240
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x double> [[TMP41]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x double> [[TMP41]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi double [ [[J]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi double* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[B]], [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 10240, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP53]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.cond.cleanup:
> +; UNROLL-NO-IC-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ [[A_1:%.*]], [[FOR_BODY]] ], [ [[TMP53]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[A_1_LCSSA]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[B_ADDR_012:%.*]] = phi double* [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[I_011:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[A_010:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[A_1]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi double [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP54:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 [[IDXPROM]]
> +; UNROLL-NO-IC-NEXT: [[TMP54]] = load double, double* [[ARRAYIDX]], align 8
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = fmul double [[SCALAR_RECUR]], [[TMP54]]
> +; UNROLL-NO-IC-NEXT: [[TOBOOL:%.*]] = fcmp une double [[MUL]], 0.000000e+00
> +; UNROLL-NO-IC-NEXT: [[INC:%.*]] = zext i1 [[TOBOOL]] to i32
> +; UNROLL-NO-IC-NEXT: [[A_1]] = add nsw i32 [[A_010]], [[INC]]
> +; UNROLL-NO-IC-NEXT: [[INC1]] = add nuw nsw i32 [[I_011]], 1
> +; UNROLL-NO-IC-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 25
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC1]], 10240
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
> +;
> +; UNROLL-NO-VF-LABEL: @PR33613(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[IND_END:%.*]] = getelementptr double, double* [[B:%.*]], i64 256000
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP14:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI4:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi double [ [[J:%.*]], [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 25
> +; UNROLL-NO-VF-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B]], i64 [[TMP1]]
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 25
> +; UNROLL-NO-VF-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[TMP3]]
> +; UNROLL-NO-VF-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION3:%.*]] = add i32 [[OFFSET_IDX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[IDXPROM]]
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[IDXPROM]]
> +; UNROLL-NO-VF-NEXT: [[TMP6:%.*]] = load double, double* [[TMP4]], align 8
> +; UNROLL-NO-VF-NEXT: [[TMP7]] = load double, double* [[TMP5]], align 8
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = fmul double [[VECTOR_RECUR]], [[TMP6]]
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = fmul double [[TMP6]], [[TMP7]]
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = fcmp une double [[TMP8]], 0.000000e+00
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = fcmp une double [[TMP9]], 0.000000e+00
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = zext i1 [[TMP10]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = zext i1 [[TMP11]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP14]] = add i32 [[VEC_PHI]], [[TMP12]]
> +; UNROLL-NO-VF-NEXT: [[TMP15]] = add i32 [[VEC_PHI4]], [[TMP13]]
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[BIN_RDX:%.*]] = add i32 [[TMP15]], [[TMP14]]
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i64 10240, 10240
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi double [ [[J]], [[ENTRY:%.*]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi double* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[B]], [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 10240, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-VF: for.cond.cleanup:
> +; UNROLL-NO-VF-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ [[A_1:%.*]], [[FOR_BODY]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: ret i32 [[A_1_LCSSA]]
> +; UNROLL-NO-VF: for.body:
> +; UNROLL-NO-VF-NEXT: [[B_ADDR_012:%.*]] = phi double* [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[I_011:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[A_010:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[A_1]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi double [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP17:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 [[IDXPROM]]
> +; UNROLL-NO-VF-NEXT: [[TMP17]] = load double, double* [[ARRAYIDX]], align 8
> +; UNROLL-NO-VF-NEXT: [[MUL:%.*]] = fmul double [[SCALAR_RECUR]], [[TMP17]]
> +; UNROLL-NO-VF-NEXT: [[TOBOOL:%.*]] = fcmp une double [[MUL]], 0.000000e+00
> +; UNROLL-NO-VF-NEXT: [[INC:%.*]] = zext i1 [[TOBOOL]] to i32
> +; UNROLL-NO-VF-NEXT: [[A_1]] = add nsw i32 [[A_010]], [[INC]]
> +; UNROLL-NO-VF-NEXT: [[INC1]] = add nuw nsw i32 [[I_011]], 1
> +; UNROLL-NO-VF-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 25
> +; UNROLL-NO-VF-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC1]], 10240
> +; UNROLL-NO-VF-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +;
> +; SINK-AFTER-LABEL: @PR33613(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[IND_END:%.*]] = getelementptr double, double* [[B:%.*]], i64 256000
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x double> poison, double [[J:%.*]], i32 3
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 25
> +; SINK-AFTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B]], i64 [[TMP1]]
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 1
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 25
> +; SINK-AFTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[TMP3]]
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 2
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 25
> +; SINK-AFTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[B]], i64 [[TMP5]]
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 3
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = mul i64 [[TMP6]], 25
> +; SINK-AFTER-NEXT: [[NEXT_GEP4:%.*]] = getelementptr double, double* [[B]], i64 [[TMP7]]
> +; SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[IDXPROM]]
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[IDXPROM]]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP3]], i64 [[IDXPROM]]
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP4]], i64 [[IDXPROM]]
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = load double, double* [[TMP9]], align 8
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = load double, double* [[TMP10]], align 8
> +; SINK-AFTER-NEXT: [[TMP15:%.*]] = load double, double* [[TMP11]], align 8
> +; SINK-AFTER-NEXT: [[TMP16:%.*]] = load double, double* [[TMP12]], align 8
> +; SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x double> poison, double [[TMP13]], i32 0
> +; SINK-AFTER-NEXT: [[TMP18:%.*]] = insertelement <4 x double> [[TMP17]], double [[TMP14]], i32 1
> +; SINK-AFTER-NEXT: [[TMP19:%.*]] = insertelement <4 x double> [[TMP18]], double [[TMP15]], i32 2
> +; SINK-AFTER-NEXT: [[TMP20]] = insertelement <4 x double> [[TMP19]], double [[TMP16]], i32 3
> +; SINK-AFTER-NEXT: [[TMP21:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[TMP20]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP22:%.*]] = fmul <4 x double> [[TMP21]], [[TMP20]]
> +; SINK-AFTER-NEXT: [[TMP23:%.*]] = fcmp une <4 x double> [[TMP22]], zeroinitializer
> +; SINK-AFTER-NEXT: [[TMP24:%.*]] = zext <4 x i1> [[TMP23]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP25]] = add <4 x i32> [[VEC_PHI]], [[TMP24]]
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[TMP27:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 10240, 10240
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x double> [[TMP20]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x double> [[TMP20]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi double [ [[J]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi double* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[B]], [[ENTRY]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 10240, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; SINK-AFTER: for.cond.cleanup:
> +; SINK-AFTER-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ [[A_1:%.*]], [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: ret i32 [[A_1_LCSSA]]
> +; SINK-AFTER: for.body:
> +; SINK-AFTER-NEXT: [[B_ADDR_012:%.*]] = phi double* [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[I_011:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[A_010:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[A_1]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi double [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 [[IDXPROM]]
> +; SINK-AFTER-NEXT: [[TMP28]] = load double, double* [[ARRAYIDX]], align 8
> +; SINK-AFTER-NEXT: [[MUL:%.*]] = fmul double [[SCALAR_RECUR]], [[TMP28]]
> +; SINK-AFTER-NEXT: [[TOBOOL:%.*]] = fcmp une double [[MUL]], 0.000000e+00
> +; SINK-AFTER-NEXT: [[INC:%.*]] = zext i1 [[TOBOOL]] to i32
> +; SINK-AFTER-NEXT: [[A_1]] = add nsw i32 [[A_010]], [[INC]]
> +; SINK-AFTER-NEXT: [[INC1]] = add nuw nsw i32 [[I_011]], 1
> +; SINK-AFTER-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 25
> +; SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC1]], 10240
> +; SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
> +;
> +; NO-SINK-AFTER-LABEL: @PR33613(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[IDXPROM:%.*]] = sext i32 [[D:%.*]] to i64
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[IND_END:%.*]] = getelementptr double, double* [[B:%.*]], i64 256000
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x double> poison, double [[J:%.*]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x double> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = mul i64 [[TMP0]], 25
> +; NO-SINK-AFTER-NEXT: [[NEXT_GEP:%.*]] = getelementptr double, double* [[B]], i64 [[TMP1]]
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = mul i64 [[TMP2]], 25
> +; NO-SINK-AFTER-NEXT: [[NEXT_GEP2:%.*]] = getelementptr double, double* [[B]], i64 [[TMP3]]
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = mul i64 [[TMP4]], 25
> +; NO-SINK-AFTER-NEXT: [[NEXT_GEP3:%.*]] = getelementptr double, double* [[B]], i64 [[TMP5]]
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 3
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = mul i64 [[TMP6]], 25
> +; NO-SINK-AFTER-NEXT: [[NEXT_GEP4:%.*]] = getelementptr double, double* [[B]], i64 [[TMP7]]
> +; NO-SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP]], i64 [[IDXPROM]]
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP2]], i64 [[IDXPROM]]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP3]], i64 [[IDXPROM]]
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds double, double* [[NEXT_GEP4]], i64 [[IDXPROM]]
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = load double, double* [[TMP9]], align 8
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = load double, double* [[TMP10]], align 8
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = load double, double* [[TMP11]], align 8
> +; NO-SINK-AFTER-NEXT: [[TMP16:%.*]] = load double, double* [[TMP12]], align 8
> +; NO-SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x double> poison, double [[TMP13]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP18:%.*]] = insertelement <4 x double> [[TMP17]], double [[TMP14]], i32 1
> +; NO-SINK-AFTER-NEXT: [[TMP19:%.*]] = insertelement <4 x double> [[TMP18]], double [[TMP15]], i32 2
> +; NO-SINK-AFTER-NEXT: [[TMP20]] = insertelement <4 x double> [[TMP19]], double [[TMP16]], i32 3
> +; NO-SINK-AFTER-NEXT: [[TMP21:%.*]] = shufflevector <4 x double> [[VECTOR_RECUR]], <4 x double> [[TMP20]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP22:%.*]] = fmul <4 x double> [[TMP21]], [[TMP20]]
> +; NO-SINK-AFTER-NEXT: [[TMP23:%.*]] = fcmp une <4 x double> [[TMP22]], zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[TMP24:%.*]] = zext <4 x i1> [[TMP23]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP25]] = add <4 x i32> [[VEC_PHI]], [[TMP24]]
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], 10240
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[TMP27:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 10240, 10240
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x double> [[TMP20]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x double> [[TMP20]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi double [ [[J]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi double* [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[B]], [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 10240, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; NO-SINK-AFTER: for.cond.cleanup:
> +; NO-SINK-AFTER-NEXT: [[A_1_LCSSA:%.*]] = phi i32 [ [[A_1:%.*]], [[FOR_BODY]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: ret i32 [[A_1_LCSSA]]
> +; NO-SINK-AFTER: for.body:
> +; NO-SINK-AFTER-NEXT: [[B_ADDR_012:%.*]] = phi double* [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[ADD_PTR:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[I_011:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC1:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[A_010:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[A_1]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi double [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 [[IDXPROM]]
> +; NO-SINK-AFTER-NEXT: [[TMP28]] = load double, double* [[ARRAYIDX]], align 8
> +; NO-SINK-AFTER-NEXT: [[MUL:%.*]] = fmul double [[SCALAR_RECUR]], [[TMP28]]
> +; NO-SINK-AFTER-NEXT: [[TOBOOL:%.*]] = fcmp une double [[MUL]], 0.000000e+00
> +; NO-SINK-AFTER-NEXT: [[INC:%.*]] = zext i1 [[TOBOOL]] to i32
> +; NO-SINK-AFTER-NEXT: [[A_1]] = add nsw i32 [[A_010]], [[INC]]
> +; NO-SINK-AFTER-NEXT: [[INC1]] = add nuw nsw i32 [[I_011]], 1
> +; NO-SINK-AFTER-NEXT: [[ADD_PTR]] = getelementptr inbounds double, double* [[B_ADDR_012]], i64 25
> +; NO-SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC1]], 10240
> +; NO-SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP]], label [[FOR_BODY]], !llvm.loop [[LOOP25:![0-9]+]]
> +;
> entry:
> %idxprom = sext i32 %d to i64
> br label %for.body
> @@ -459,17 +3217,428 @@ for.body:
> ; b[i] = (a[i] * a[i + 1]);
> ; }
> ;
> -; SINK-AFTER-LABEL: sink_after
> ; Check that the sext sank after the load in the vector loop.
> -; SINK-AFTER: vector.body
> -; SINK-AFTER: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ %wide.load, %vector.body ]
> -; SINK-AFTER: %wide.load = load <4 x i16>
> -; SINK-AFTER: %[[VSHUF:.+]] = shufflevector <4 x i16> %vector.recur, <4 x i16> %wide.load, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; SINK-AFTER: %[[VCONV:.+]] = sext <4 x i16> %[[VSHUF]] to <4 x i32>
> -; SINK-AFTER: %[[VCONV3:.+]] = sext <4 x i16> %wide.load to <4 x i32>
> -; SINK-AFTER: mul nsw <4 x i32> %[[VCONV3]], %[[VCONV]]
> ;
> define void @sink_after(i16* %a, i32* %b, i64 %n) {
> +; CHECK-LABEL: @sink_after(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; CHECK: vector.memcheck:
> +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; CHECK-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[SCEVGEP5]] to i32*
> +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[TMP1]], [[B]]
> +; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult i16* [[SCEVGEP3]], [[TMP2]]
> +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -4
> +; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; CHECK-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !26
> +; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; CHECK-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; CHECK-NEXT: [[TMP8:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; CHECK-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP7]]
> +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; CHECK-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <4 x i32>*
> +; CHECK-NEXT: store <4 x i32> [[TMP9]], <4 x i32>* [[TMP11]], align 4, !alias.scope !29, !noalias !26
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP13:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; CHECK-NEXT: [[TMP13]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; CHECK-NEXT: [[CONV3:%.*]] = sext i16 [[TMP13]] to i32
> +; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @sink_after(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL: vector.memcheck:
> +; UNROLL-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; UNROLL-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = bitcast i16* [[SCEVGEP5]] to i32*
> +; UNROLL-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[TMP1]], [[B]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; UNROLL-NEXT: [[BOUND1:%.*]] = icmp ult i16* [[SCEVGEP3]], [[TMP2]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8
> +; UNROLL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; UNROLL-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; UNROLL-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !26
> +; UNROLL-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[TMP4]], i64 4
> +; UNROLL-NEXT: [[TMP7:%.*]] = bitcast i16* [[TMP6]] to <4 x i16>*
> +; UNROLL-NEXT: [[WIDE_LOAD7]] = load <4 x i16>, <4 x i16>* [[TMP7]], align 2, !alias.scope !26
> +; UNROLL-NEXT: [[TMP8:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP9:%.*]] = shufflevector <4 x i16> [[WIDE_LOAD]], <4 x i16> [[WIDE_LOAD7]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP10:%.*]] = sext <4 x i16> [[TMP8]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP11:%.*]] = sext <4 x i16> [[TMP9]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP12:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP13:%.*]] = sext <4 x i16> [[WIDE_LOAD7]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP14:%.*]] = mul nsw <4 x i32> [[TMP12]], [[TMP10]]
> +; UNROLL-NEXT: [[TMP15:%.*]] = mul nsw <4 x i32> [[TMP13]], [[TMP11]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = bitcast i32* [[TMP16]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP14]], <4 x i32>* [[TMP17]], align 4, !alias.scope !29, !noalias !26
> +; UNROLL-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[TMP16]], i64 4
> +; UNROLL-NEXT: [[TMP19:%.*]] = bitcast i32* [[TMP18]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP15]], <4 x i32>* [[TMP19]], align 4, !alias.scope !29, !noalias !26
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 3
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP21:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NEXT: [[TMP21]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NEXT: [[CONV3:%.*]] = sext i16 [[TMP21]] to i32
> +; UNROLL-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @sink_after(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-IC-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-IC: vector.memcheck:
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; UNROLL-NO-IC-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; UNROLL-NO-IC-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-IC-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 8
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = bitcast i16* [[TMP7]] to <4 x i16>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP8]], align 2, !alias.scope !26
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = bitcast i16* [[TMP9]] to <4 x i16>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD7]] = load <4 x i16>, <4 x i16>* [[TMP10]], align 2, !alias.scope !26
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = shufflevector <4 x i16> [[WIDE_LOAD]], <4 x i16> [[WIDE_LOAD7]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = sext <4 x i16> [[TMP11]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = sext <4 x i16> [[TMP12]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = sext <4 x i16> [[WIDE_LOAD7]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = mul nsw <4 x i32> [[TMP15]], [[TMP13]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = mul nsw <4 x i32> [[TMP16]], [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[TMP19]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP17]], <4 x i32>* [[TMP22]], align 4, !alias.scope !29, !noalias !26
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[TMP19]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = bitcast i32* [[TMP23]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP18]], <4 x i32>* [[TMP24]], align 4, !alias.scope !29, !noalias !26
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP25]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP26:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NO-IC-NEXT: [[TMP26]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NO-IC-NEXT: [[CONV3:%.*]] = sext i16 [[TMP26]] to i32
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @sink_after(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-VF-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NO-VF-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; UNROLL-NO-VF-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-VF: vector.memcheck:
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; UNROLL-NO-VF-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; UNROLL-NO-VF-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; UNROLL-NO-VF-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-VF-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2
> +; UNROLL-NO-VF-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION7:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = add nuw nsw i64 [[INDUCTION]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[INDUCTION7]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP1]]
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]], align 2, !alias.scope !25
> +; UNROLL-NO-VF-NEXT: [[TMP6]] = load i16, i16* [[TMP4]], align 2, !alias.scope !25
> +; UNROLL-NO-VF-NEXT: [[TMP7:%.*]] = sext i16 [[VECTOR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = sext i16 [[TMP5]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = sext i16 [[TMP5]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = sext i16 [[TMP6]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = mul nsw i32 [[TMP9]], [[TMP7]]
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = mul nsw i32 [[TMP10]], [[TMP8]]
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION7]]
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP11]], i32* [[TMP13]], align 4, !alias.scope !28, !noalias !25
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP12]], i32* [[TMP14]], align 4, !alias.scope !28, !noalias !25
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP15:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-VF: for.body:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP16:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NO-VF-NEXT: [[TMP16]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NO-VF-NEXT: [[CONV3:%.*]] = sext i16 [[TMP16]] to i32
> +; UNROLL-NO-VF-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-VF-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-VF-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @sink_after(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; SINK-AFTER: vector.memcheck:
> +; SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; SINK-AFTER-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; SINK-AFTER-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; SINK-AFTER-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; SINK-AFTER-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; SINK-AFTER-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[TMP3]], i32 0
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; SINK-AFTER-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !26
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP7]]
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP10]], i32 0
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <4 x i32>*
> +; SINK-AFTER-NEXT: store <4 x i32> [[TMP9]], <4 x i32>* [[TMP12]], align 4, !alias.scope !29, !noalias !26
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; SINK-AFTER-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; SINK-AFTER: for.body:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP14:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; SINK-AFTER-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; SINK-AFTER-NEXT: [[TMP14]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP14]] to i32
> +; SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @sink_after(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; NO-SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; NO-SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; NO-SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; NO-SINK-AFTER: vector.memcheck:
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; NO-SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; NO-SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; NO-SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; NO-SINK-AFTER-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[TMP3]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; NO-SINK-AFTER-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !26
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP7]]
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[TMP10]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <4 x i32>*
> +; NO-SINK-AFTER-NEXT: store <4 x i32> [[TMP9]], <4 x i32>* [[TMP12]], align 4, !alias.scope !29, !noalias !26
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP31:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; NO-SINK-AFTER: for.body:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP14:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; NO-SINK-AFTER-NEXT: [[TMP14]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; NO-SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP14]] to i32
> +; NO-SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; NO-SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; NO-SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> +;
> entry:
> %.pre = load i16, i16* %a
> br label %for.body
> @@ -506,16 +3675,606 @@ for.end:
> ; }
> ; }
> ;
> -; SINK-AFTER-LABEL: @PR34711
> ; Check that the sext sank after the load in the vector loop.
> -; SINK-AFTER: vector.body
> -; SINK-AFTER: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ {{.*}}, %vector.body ]
> -; SINK-AFTER: %[[VSHUF:.+]] = shufflevector <4 x i16> %vector.recur, <4 x i16> %{{.*}}, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; SINK-AFTER: %[[VCONV:.+]] = sext <4 x i16> %[[VSHUF]] to <4 x i32>
> -; SINK-AFTER: %[[VCONV3:.+]] = sext <4 x i16> {{.*}} to <4 x i32>
> -; SINK-AFTER: mul nsw <4 x i32> %[[VCONV3]], %[[VCONV]]
> ;
> define void @PR34711([2 x i16]* %a, i32* %b, i32* %c, i64 %n) {
> +; CHECK-LABEL: @PR34711(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; CHECK-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; CHECK: vector.memcheck:
> +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C:%.*]], i64 [[N]]
> +; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; CHECK-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; CHECK-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[C]]
> +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[B]]
> +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; CHECK-NEXT: [[TMP0:%.*]] = bitcast i16* [[SCEVGEP8]] to i32*
> +; CHECK-NEXT: [[BOUND010:%.*]] = icmp ugt i32* [[TMP0]], [[C]]
> +; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; CHECK-NEXT: [[BOUND111:%.*]] = icmp ult i16* [[SCEVGEP6]], [[TMP1]]
> +; CHECK-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; CHECK-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; CHECK-NEXT: [[TMP2:%.*]] = bitcast i16* [[SCEVGEP8]] to i32*
> +; CHECK-NEXT: [[BOUND013:%.*]] = icmp ugt i32* [[TMP2]], [[B]]
> +; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[SCEVGEP4]] to i16*
> +; CHECK-NEXT: [[BOUND114:%.*]] = icmp ult i16* [[SCEVGEP6]], [[TMP3]]
> +; CHECK-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; CHECK-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; CHECK-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -4
> +; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP6:%.*]] = or i64 [[INDEX]], 3
> +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDEX]]
> +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDEX]], i64 1
> +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP4]], i64 1
> +; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP5]], i64 1
> +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP6]], i64 1
> +; CHECK-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
> +; CHECK-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP12]], align 4, !alias.scope !33, !noalias !36
> +; CHECK-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP8]], align 2, !alias.scope !39
> +; CHECK-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP9]], align 2, !alias.scope !39
> +; CHECK-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP10]], align 2, !alias.scope !39
> +; CHECK-NEXT: [[TMP16:%.*]] = load i16, i16* [[TMP11]], align 2, !alias.scope !39
> +; CHECK-NEXT: [[TMP17:%.*]] = insertelement <4 x i16> poison, i16 [[TMP13]], i32 0
> +; CHECK-NEXT: [[TMP18:%.*]] = insertelement <4 x i16> [[TMP17]], i16 [[TMP14]], i32 1
> +; CHECK-NEXT: [[TMP19:%.*]] = insertelement <4 x i16> [[TMP18]], i16 [[TMP15]], i32 2
> +; CHECK-NEXT: [[TMP20]] = insertelement <4 x i16> [[TMP19]], i16 [[TMP16]], i32 3
> +; CHECK-NEXT: [[TMP21:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP19]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; CHECK-NEXT: [[TMP22:%.*]] = sext <4 x i16> [[TMP21]] to <4 x i32>
> +; CHECK-NEXT: [[TMP23:%.*]] = sext <4 x i16> [[TMP20]] to <4 x i32>
> +; CHECK-NEXT: [[TMP24:%.*]] = mul nsw <4 x i32> [[TMP23]], [[TMP22]]
> +; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; CHECK-NEXT: [[TMP26:%.*]] = bitcast i32* [[TMP25]] to <4 x i32>*
> +; CHECK-NEXT: store <4 x i32> [[TMP24]], <4 x i32>* [[TMP26]], align 4, !alias.scope !40, !noalias !39
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP27:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP27]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[TMP16]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; CHECK-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; CHECK-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; CHECK-NEXT: [[TMP28]] = load i16, i16* [[CUR_INDEX]], align 2
> +; CHECK-NEXT: [[CONV3:%.*]] = sext i16 [[TMP28]] to i32
> +; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @PR34711(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; UNROLL-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL: vector.memcheck:
> +; UNROLL-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C:%.*]], i64 [[N]]
> +; UNROLL-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; UNROLL-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; UNROLL-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; UNROLL-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[SCEVGEP4]], [[C]]
> +; UNROLL-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[SCEVGEP]], [[B]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NEXT: [[TMP0:%.*]] = bitcast i16* [[SCEVGEP8]] to i32*
> +; UNROLL-NEXT: [[BOUND010:%.*]] = icmp ugt i32* [[TMP0]], [[C]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; UNROLL-NEXT: [[BOUND111:%.*]] = icmp ult i16* [[SCEVGEP6]], [[TMP1]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; UNROLL-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = bitcast i16* [[SCEVGEP8]] to i32*
> +; UNROLL-NEXT: [[BOUND013:%.*]] = icmp ugt i32* [[TMP2]], [[B]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = bitcast i32* [[SCEVGEP4]] to i16*
> +; UNROLL-NEXT: [[BOUND114:%.*]] = icmp ult i16* [[SCEVGEP6]], [[TMP3]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; UNROLL-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; UNROLL-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8
> +; UNROLL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP38:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP6:%.*]] = or i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP7:%.*]] = or i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP8:%.*]] = or i64 [[INDEX]], 5
> +; UNROLL-NEXT: [[TMP9:%.*]] = or i64 [[INDEX]], 6
> +; UNROLL-NEXT: [[TMP10:%.*]] = or i64 [[INDEX]], 7
> +; UNROLL-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP12:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDEX]], i64 1
> +; UNROLL-NEXT: [[TMP13:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP4]], i64 1
> +; UNROLL-NEXT: [[TMP14:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP5]], i64 1
> +; UNROLL-NEXT: [[TMP15:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP6]], i64 1
> +; UNROLL-NEXT: [[TMP16:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP7]], i64 1
> +; UNROLL-NEXT: [[TMP17:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP8]], i64 1
> +; UNROLL-NEXT: [[TMP18:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP9]], i64 1
> +; UNROLL-NEXT: [[TMP19:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP10]], i64 1
> +; UNROLL-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP11]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP20]], align 4, !alias.scope !33, !noalias !36
> +; UNROLL-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[TMP11]], i64 4
> +; UNROLL-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP22]], align 4, !alias.scope !33, !noalias !36
> +; UNROLL-NEXT: [[TMP23:%.*]] = load i16, i16* [[TMP12]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP24:%.*]] = load i16, i16* [[TMP13]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP25:%.*]] = load i16, i16* [[TMP14]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP26:%.*]] = load i16, i16* [[TMP15]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP27:%.*]] = insertelement <4 x i16> poison, i16 [[TMP23]], i32 0
> +; UNROLL-NEXT: [[TMP28:%.*]] = insertelement <4 x i16> [[TMP27]], i16 [[TMP24]], i32 1
> +; UNROLL-NEXT: [[TMP29:%.*]] = insertelement <4 x i16> [[TMP28]], i16 [[TMP25]], i32 2
> +; UNROLL-NEXT: [[TMP30:%.*]] = insertelement <4 x i16> [[TMP29]], i16 [[TMP26]], i32 3
> +; UNROLL-NEXT: [[TMP31:%.*]] = load i16, i16* [[TMP16]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP32:%.*]] = load i16, i16* [[TMP17]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP33:%.*]] = load i16, i16* [[TMP18]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP34:%.*]] = load i16, i16* [[TMP19]], align 2, !alias.scope !39
> +; UNROLL-NEXT: [[TMP35:%.*]] = insertelement <4 x i16> poison, i16 [[TMP31]], i32 0
> +; UNROLL-NEXT: [[TMP36:%.*]] = insertelement <4 x i16> [[TMP35]], i16 [[TMP32]], i32 1
> +; UNROLL-NEXT: [[TMP37:%.*]] = insertelement <4 x i16> [[TMP36]], i16 [[TMP33]], i32 2
> +; UNROLL-NEXT: [[TMP38]] = insertelement <4 x i16> [[TMP37]], i16 [[TMP34]], i32 3
> +; UNROLL-NEXT: [[TMP39:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP29]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP40:%.*]] = shufflevector <4 x i16> [[TMP30]], <4 x i16> [[TMP37]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP41:%.*]] = sext <4 x i16> [[TMP39]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP42:%.*]] = sext <4 x i16> [[TMP40]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP43:%.*]] = sext <4 x i16> [[TMP30]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP44:%.*]] = sext <4 x i16> [[TMP38]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP45:%.*]] = mul nsw <4 x i32> [[TMP43]], [[TMP41]]
> +; UNROLL-NEXT: [[TMP46:%.*]] = mul nsw <4 x i32> [[TMP44]], [[TMP42]]
> +; UNROLL-NEXT: [[TMP47:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP48:%.*]] = bitcast i32* [[TMP47]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP45]], <4 x i32>* [[TMP48]], align 4, !alias.scope !40, !noalias !39
> +; UNROLL-NEXT: [[TMP49:%.*]] = getelementptr inbounds i32, i32* [[TMP47]], i64 4
> +; UNROLL-NEXT: [[TMP50:%.*]] = bitcast i32* [[TMP49]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP46]], <4 x i32>* [[TMP50]], align 4, !alias.scope !40, !noalias !39
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP51:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP51]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[TMP34]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP52:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; UNROLL-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; UNROLL-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; UNROLL-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NEXT: [[TMP52]] = load i16, i16* [[CUR_INDEX]], align 2
> +; UNROLL-NEXT: [[CONV3:%.*]] = sext i16 [[TMP52]] to i32
> +; UNROLL-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @PR34711(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[C1:%.*]] = bitcast i32* [[C:%.*]] to i8*
> +; UNROLL-NO-IC-NEXT: [[B3:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-IC-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; UNROLL-NO-IC-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-IC: vector.memcheck:
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C]], i64 [[N]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP45:%.*]] = bitcast i32* [[SCEVGEP4]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP67:%.*]] = bitcast i16* [[SCEVGEP6]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP89:%.*]] = bitcast i16* [[SCEVGEP8]] to i8*
> +; UNROLL-NO-IC-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP45]]
> +; UNROLL-NO-IC-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP2]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-IC-NEXT: [[BOUND010:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP89]]
> +; UNROLL-NO-IC-NEXT: [[BOUND111:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP2]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; UNROLL-NO-IC-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; UNROLL-NO-IC-NEXT: [[BOUND013:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP89]]
> +; UNROLL-NO-IC-NEXT: [[BOUND114:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP45]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; UNROLL-NO-IC-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 8
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP37:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], 5
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 6
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], 7
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP0]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP1]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP2]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP3]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP4]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP5]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP6]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP7]], i64 1
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[TMP8]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = bitcast i32* [[TMP18]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP19]], align 4, !alias.scope !33, !noalias !36
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[TMP8]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = bitcast i32* [[TMP20]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP21]], align 4, !alias.scope !33, !noalias !36
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = load i16, i16* [[TMP10]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = load i16, i16* [[TMP11]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = load i16, i16* [[TMP12]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = load i16, i16* [[TMP13]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = insertelement <4 x i16> poison, i16 [[TMP22]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = insertelement <4 x i16> [[TMP26]], i16 [[TMP23]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = insertelement <4 x i16> [[TMP27]], i16 [[TMP24]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = insertelement <4 x i16> [[TMP28]], i16 [[TMP25]], i32 3
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = load i16, i16* [[TMP14]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = load i16, i16* [[TMP15]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = load i16, i16* [[TMP16]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = load i16, i16* [[TMP17]], align 2, !alias.scope !39
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = insertelement <4 x i16> poison, i16 [[TMP30]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = insertelement <4 x i16> [[TMP34]], i16 [[TMP31]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = insertelement <4 x i16> [[TMP35]], i16 [[TMP32]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP37]] = insertelement <4 x i16> [[TMP36]], i16 [[TMP33]], i32 3
> +; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP29]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = shufflevector <4 x i16> [[TMP29]], <4 x i16> [[TMP37]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = sext <4 x i16> [[TMP38]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = sext <4 x i16> [[TMP39]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP42:%.*]] = sext <4 x i16> [[TMP29]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP43:%.*]] = sext <4 x i16> [[TMP37]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = mul nsw <4 x i32> [[TMP42]], [[TMP40]]
> +; UNROLL-NO-IC-NEXT: [[TMP45:%.*]] = mul nsw <4 x i32> [[TMP43]], [[TMP41]]
> +; UNROLL-NO-IC-NEXT: [[TMP46:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP47:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP48:%.*]] = getelementptr inbounds i32, i32* [[TMP46]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP49:%.*]] = bitcast i32* [[TMP48]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP44]], <4 x i32>* [[TMP49]], align 4, !alias.scope !40, !noalias !39
> +; UNROLL-NO-IC-NEXT: [[TMP50:%.*]] = getelementptr inbounds i32, i32* [[TMP46]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP51:%.*]] = bitcast i32* [[TMP50]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP45]], <4 x i32>* [[TMP51]], align 4, !alias.scope !40, !noalias !39
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP52:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP52]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP37]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP37]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP53:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; UNROLL-NO-IC-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP53]] = load i16, i16* [[CUR_INDEX]], align 2
> +; UNROLL-NO-IC-NEXT: [[CONV3:%.*]] = sext i16 [[TMP53]] to i32
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @PR34711(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: [[C1:%.*]] = bitcast i32* [[C:%.*]] to i8*
> +; UNROLL-NO-VF-NEXT: [[B3:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-VF-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; UNROLL-NO-VF-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; UNROLL-NO-VF-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; UNROLL-NO-VF-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-VF: vector.memcheck:
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C]], i64 [[N]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP45:%.*]] = bitcast i32* [[SCEVGEP4]] to i8*
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP67:%.*]] = bitcast i16* [[SCEVGEP6]] to i8*
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP89:%.*]] = bitcast i16* [[SCEVGEP8]] to i8*
> +; UNROLL-NO-VF-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP45]]
> +; UNROLL-NO-VF-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP2]]
> +; UNROLL-NO-VF-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-VF-NEXT: [[BOUND010:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP89]]
> +; UNROLL-NO-VF-NEXT: [[BOUND111:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP2]]
> +; UNROLL-NO-VF-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; UNROLL-NO-VF-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; UNROLL-NO-VF-NEXT: [[BOUND013:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP89]]
> +; UNROLL-NO-VF-NEXT: [[BOUND114:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP45]]
> +; UNROLL-NO-VF-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; UNROLL-NO-VF-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; UNROLL-NO-VF-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2
> +; UNROLL-NO-VF-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION17:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDUCTION17]]
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDUCTION]], i64 1
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDUCTION17]], i64 1
> +; UNROLL-NO-VF-NEXT: store i32 7, i32* [[TMP0]], align 4, !alias.scope !32, !noalias !35
> +; UNROLL-NO-VF-NEXT: store i32 7, i32* [[TMP1]], align 4, !alias.scope !32, !noalias !35
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]], align 2, !alias.scope !38
> +; UNROLL-NO-VF-NEXT: [[TMP5]] = load i16, i16* [[TMP3]], align 2, !alias.scope !38
> +; UNROLL-NO-VF-NEXT: [[TMP6:%.*]] = sext i16 [[VECTOR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP7:%.*]] = sext i16 [[TMP4]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = sext i16 [[TMP4]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = sext i16 [[TMP5]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = mul nsw i32 [[TMP8]], [[TMP6]]
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = mul nsw i32 [[TMP9]], [[TMP7]]
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION17]]
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP10]], i32* [[TMP12]], align 4, !alias.scope !39, !noalias !38
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP11]], i32* [[TMP13]], align 4, !alias.scope !39, !noalias !38
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-VF: for.body:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP15:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; UNROLL-NO-VF-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; UNROLL-NO-VF-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP15]] = load i16, i16* [[CUR_INDEX]], align 2
> +; UNROLL-NO-VF-NEXT: [[CONV3:%.*]] = sext i16 [[TMP15]] to i32
> +; UNROLL-NO-VF-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-VF-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-VF-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @PR34711(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: [[C1:%.*]] = bitcast i32* [[C:%.*]] to i8*
> +; SINK-AFTER-NEXT: [[B3:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; SINK-AFTER-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; SINK-AFTER: vector.memcheck:
> +; SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C]], i64 [[N]]
> +; SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; SINK-AFTER-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; SINK-AFTER-NEXT: [[SCEVGEP45:%.*]] = bitcast i32* [[SCEVGEP4]] to i8*
> +; SINK-AFTER-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; SINK-AFTER-NEXT: [[SCEVGEP67:%.*]] = bitcast i16* [[SCEVGEP6]] to i8*
> +; SINK-AFTER-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; SINK-AFTER-NEXT: [[SCEVGEP89:%.*]] = bitcast i16* [[SCEVGEP8]] to i8*
> +; SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP45]]
> +; SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP2]]
> +; SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; SINK-AFTER-NEXT: [[BOUND010:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP89]]
> +; SINK-AFTER-NEXT: [[BOUND111:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP2]]
> +; SINK-AFTER-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; SINK-AFTER-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; SINK-AFTER-NEXT: [[BOUND013:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP89]]
> +; SINK-AFTER-NEXT: [[BOUND114:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP45]]
> +; SINK-AFTER-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; SINK-AFTER-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; SINK-AFTER-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[TMP0]]
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP0]], i64 1
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP1]], i64 1
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP2]], i64 1
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP3]], i64 1
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <4 x i32>*
> +; SINK-AFTER-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP10]], align 4, !alias.scope !33, !noalias !36
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP5]], align 2, !alias.scope !39
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = load i16, i16* [[TMP6]], align 2, !alias.scope !39
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP7]], align 2, !alias.scope !39
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP8]], align 2, !alias.scope !39
> +; SINK-AFTER-NEXT: [[TMP15:%.*]] = insertelement <4 x i16> poison, i16 [[TMP11]], i32 0
> +; SINK-AFTER-NEXT: [[TMP16:%.*]] = insertelement <4 x i16> [[TMP15]], i16 [[TMP12]], i32 1
> +; SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x i16> [[TMP16]], i16 [[TMP13]], i32 2
> +; SINK-AFTER-NEXT: [[TMP18]] = insertelement <4 x i16> [[TMP17]], i16 [[TMP14]], i32 3
> +; SINK-AFTER-NEXT: [[TMP19:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP18]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP20:%.*]] = sext <4 x i16> [[TMP19]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP21:%.*]] = sext <4 x i16> [[TMP18]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP22:%.*]] = mul nsw <4 x i32> [[TMP21]], [[TMP20]]
> +; SINK-AFTER-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP0]]
> +; SINK-AFTER-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[TMP23]], i32 0
> +; SINK-AFTER-NEXT: [[TMP25:%.*]] = bitcast i32* [[TMP24]] to <4 x i32>*
> +; SINK-AFTER-NEXT: store <4 x i32> [[TMP22]], <4 x i32>* [[TMP25]], align 4, !alias.scope !40, !noalias !39
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP18]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP18]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; SINK-AFTER: for.body:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP27:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; SINK-AFTER-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; SINK-AFTER-NEXT: [[TMP27]] = load i16, i16* [[CUR_INDEX]], align 2
> +; SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP27]] to i32
> +; SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @PR34711(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[C1:%.*]] = bitcast i32* [[C:%.*]] to i8*
> +; NO-SINK-AFTER-NEXT: [[B3:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; NO-SINK-AFTER-NEXT: [[PRE_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A:%.*]], i64 0, i64 0
> +; NO-SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[PRE_INDEX]], align 2
> +; NO-SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; NO-SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; NO-SINK-AFTER: vector.memcheck:
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[C]], i64 [[N]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP4:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP45:%.*]] = bitcast i32* [[SCEVGEP4]] to i8*
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP6:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 0, i64 1
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP67:%.*]] = bitcast i16* [[SCEVGEP6]] to i8*
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP8:%.*]] = getelementptr [2 x i16], [2 x i16]* [[A]], i64 [[N]], i64 0
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP89:%.*]] = bitcast i16* [[SCEVGEP8]] to i8*
> +; NO-SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP45]]
> +; NO-SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP2]]
> +; NO-SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; NO-SINK-AFTER-NEXT: [[BOUND010:%.*]] = icmp ult i8* [[C1]], [[SCEVGEP89]]
> +; NO-SINK-AFTER-NEXT: [[BOUND111:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP2]]
> +; NO-SINK-AFTER-NEXT: [[FOUND_CONFLICT12:%.*]] = and i1 [[BOUND010]], [[BOUND111]]
> +; NO-SINK-AFTER-NEXT: [[CONFLICT_RDX:%.*]] = or i1 [[FOUND_CONFLICT]], [[FOUND_CONFLICT12]]
> +; NO-SINK-AFTER-NEXT: [[BOUND013:%.*]] = icmp ult i8* [[B3]], [[SCEVGEP89]]
> +; NO-SINK-AFTER-NEXT: [[BOUND114:%.*]] = icmp ult i8* [[SCEVGEP67]], [[SCEVGEP45]]
> +; NO-SINK-AFTER-NEXT: [[FOUND_CONFLICT15:%.*]] = and i1 [[BOUND013]], [[BOUND114]]
> +; NO-SINK-AFTER-NEXT: [[CONFLICT_RDX16:%.*]] = or i1 [[CONFLICT_RDX]], [[FOUND_CONFLICT15]]
> +; NO-SINK-AFTER-NEXT: br i1 [[CONFLICT_RDX16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[TMP0]]
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP0]], i64 1
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP1]], i64 1
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP2]], i64 1
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[TMP3]], i64 1
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <4 x i32>*
> +; NO-SINK-AFTER-NEXT: store <4 x i32> <i32 7, i32 7, i32 7, i32 7>, <4 x i32>* [[TMP10]], align 4, !alias.scope !33, !noalias !36
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP5]], align 2, !alias.scope !39
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = load i16, i16* [[TMP6]], align 2, !alias.scope !39
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = load i16, i16* [[TMP7]], align 2, !alias.scope !39
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP8]], align 2, !alias.scope !39
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = insertelement <4 x i16> poison, i16 [[TMP11]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP16:%.*]] = insertelement <4 x i16> [[TMP15]], i16 [[TMP12]], i32 1
> +; NO-SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x i16> [[TMP16]], i16 [[TMP13]], i32 2
> +; NO-SINK-AFTER-NEXT: [[TMP18]] = insertelement <4 x i16> [[TMP17]], i16 [[TMP14]], i32 3
> +; NO-SINK-AFTER-NEXT: [[TMP19:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP18]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP20:%.*]] = sext <4 x i16> [[TMP19]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP21:%.*]] = sext <4 x i16> [[TMP18]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP22:%.*]] = mul nsw <4 x i32> [[TMP21]], [[TMP20]]
> +; NO-SINK-AFTER-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP0]]
> +; NO-SINK-AFTER-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[TMP23]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP25:%.*]] = bitcast i32* [[TMP24]] to <4 x i32>*
> +; NO-SINK-AFTER-NEXT: store <4 x i32> [[TMP22]], <4 x i32>* [[TMP25]], align 4, !alias.scope !40, !noalias !39
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP18]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP18]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; NO-SINK-AFTER: for.body:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP27:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[ARRAYCIDX:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: [[CUR_INDEX:%.*]] = getelementptr inbounds [2 x i16], [2 x i16]* [[A]], i64 [[INDVARS_IV]], i64 1
> +; NO-SINK-AFTER-NEXT: store i32 7, i32* [[ARRAYCIDX]], align 4
> +; NO-SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; NO-SINK-AFTER-NEXT: [[TMP27]] = load i16, i16* [[CUR_INDEX]], align 2
> +; NO-SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP27]] to i32
> +; NO-SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV3]], [[CONV]]
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; NO-SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; NO-SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> +;
> entry:
> %pre.index = getelementptr inbounds [2 x i16], [2 x i16]* %a, i64 0, i64 0
> %.pre = load i16, i16* %pre.index
> @@ -546,36 +4305,443 @@ for.end:
> ; b[i] = ((a[i] + 2) * a[i + 1]);
> ; }
> ;
> -; SINK-AFTER-LABEL: @sink_after_with_multiple_users
> -; SINK-AFTER-LABEL: vector.ph:
> -; SINK-AFTER-NEXT: %n.mod.vf = urem i64 %n, 4
> -; SINK-AFTER-NEXT: %n.vec = sub i64 %n, %n.mod.vf
> -; SINK-AFTER-NEXT: %vector.recur.init = insertelement <4 x i16> poison, i16 %.pre, i32 3
> -; SINK-AFTER-NEXT: br label %vector.body
> -
> -; SINK-AFTER-LABEL: vector.body:
> -; SINK-AFTER-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; SINK-AFTER-NEXT: %vector.recur = phi <4 x i16> [ %vector.recur.init, %vector.ph ], [ %wide.load, %vector.body ]
> -; SINK-AFTER-NEXT: %1 = add i64 %index, 0
> -; SINK-AFTER-NEXT: %2 = add nuw nsw i64 %1, 1
> -; SINK-AFTER-NEXT: %3 = getelementptr inbounds i16, i16* %a, i64 %2
> -; SINK-AFTER-NEXT: %4 = getelementptr inbounds i16, i16* %3, i32 0
> -; SINK-AFTER-NEXT: %5 = bitcast i16* %4 to <4 x i16>*
> -; SINK-AFTER-NEXT: %wide.load = load <4 x i16>, <4 x i16>* %5, align 2, !alias.scope !43
> -; SINK-AFTER-NEXT: %6 = shufflevector <4 x i16> %vector.recur, <4 x i16> %wide.load, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; SINK-AFTER-NEXT: %7 = sext <4 x i16> %6 to <4 x i32>
> -; SINK-AFTER-NEXT: %8 = add nsw <4 x i32> %7, <i32 2, i32 2, i32 2, i32 2>
> -; SINK-AFTER-NEXT: %9 = sext <4 x i16> %wide.load to <4 x i32>
> -; SINK-AFTER-NEXT: %10 = mul nsw <4 x i32> %8, %9
> -; SINK-AFTER-NEXT: %11 = getelementptr inbounds i32, i32* %b, i64 %1
> -; SINK-AFTER-NEXT: %12 = getelementptr inbounds i32, i32* %11, i32 0
> -; SINK-AFTER-NEXT: %13 = bitcast i32* %12 to <4 x i32>*
> -; SINK-AFTER-NEXT: store <4 x i32> %10, <4 x i32>* %13, align 4, !alias.scope !46, !noalias !43
> -; SINK-AFTER-NEXT: %index.next = add nuw i64 %index, 4
> -; SINK-AFTER-NEXT: %14 = icmp eq i64 %index.next, %n.vec
> -; SINK-AFTER-NEXT: br i1 %14, label %middle.block, label %vector.body, !llvm.loop !48
> +
> ;
> define void @sink_after_with_multiple_users(i16* %a, i32* %b, i64 %n) {
> +; CHECK-LABEL: @sink_after_with_multiple_users(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; CHECK: vector.memcheck:
> +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; CHECK-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; CHECK-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP1:%.*]] = bitcast i16* [[SCEVGEP5]] to i32*
> +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[TMP1]], [[B]]
> +; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult i16* [[SCEVGEP3]], [[TMP2]]
> +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -4
> +; CHECK-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; CHECK-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; CHECK-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !43
> +; CHECK-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; CHECK-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; CHECK-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[TMP7]], <i32 2, i32 2, i32 2, i32 2>
> +; CHECK-NEXT: [[TMP9:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; CHECK-NEXT: [[TMP10:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP9]]
> +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; CHECK-NEXT: [[TMP12:%.*]] = bitcast i32* [[TMP11]] to <4 x i32>*
> +; CHECK-NEXT: store <4 x i32> [[TMP10]], <4 x i32>* [[TMP12]], align 4, !alias.scope !46, !noalias !43
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP13:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP13]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP14:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; CHECK-NEXT: [[TMP14]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; CHECK-NEXT: [[CONV3:%.*]] = sext i16 [[TMP14]] to i32
> +; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @sink_after_with_multiple_users(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL: vector.memcheck:
> +; UNROLL-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B:%.*]], i64 [[N]]
> +; UNROLL-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = bitcast i16* [[SCEVGEP5]] to i32*
> +; UNROLL-NEXT: [[BOUND0:%.*]] = icmp ugt i32* [[TMP1]], [[B]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = bitcast i32* [[SCEVGEP]] to i16*
> +; UNROLL-NEXT: [[BOUND1:%.*]] = icmp ult i16* [[SCEVGEP3]], [[TMP2]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8
> +; UNROLL-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; UNROLL-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; UNROLL-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !43
> +; UNROLL-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[TMP4]], i64 4
> +; UNROLL-NEXT: [[TMP7:%.*]] = bitcast i16* [[TMP6]] to <4 x i16>*
> +; UNROLL-NEXT: [[WIDE_LOAD7]] = load <4 x i16>, <4 x i16>* [[TMP7]], align 2, !alias.scope !43
> +; UNROLL-NEXT: [[TMP8:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP9:%.*]] = shufflevector <4 x i16> [[WIDE_LOAD]], <4 x i16> [[WIDE_LOAD7]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP10:%.*]] = sext <4 x i16> [[TMP8]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP11:%.*]] = sext <4 x i16> [[TMP9]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP12:%.*]] = add nsw <4 x i32> [[TMP10]], <i32 2, i32 2, i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP13:%.*]] = add nsw <4 x i32> [[TMP11]], <i32 2, i32 2, i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP14:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP15:%.*]] = sext <4 x i16> [[WIDE_LOAD7]] to <4 x i32>
> +; UNROLL-NEXT: [[TMP16:%.*]] = mul nsw <4 x i32> [[TMP12]], [[TMP14]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = mul nsw <4 x i32> [[TMP13]], [[TMP15]]
> +; UNROLL-NEXT: [[TMP18:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP19:%.*]] = bitcast i32* [[TMP18]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP16]], <4 x i32>* [[TMP19]], align 4, !alias.scope !46, !noalias !43
> +; UNROLL-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[TMP18]], i64 4
> +; UNROLL-NEXT: [[TMP21:%.*]] = bitcast i32* [[TMP20]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> [[TMP17]], <4 x i32>* [[TMP21]], align 4, !alias.scope !46, !noalias !43
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 3
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_MEMCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP23:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NEXT: [[TMP23]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NEXT: [[CONV3:%.*]] = sext i16 [[TMP23]] to i32
> +; UNROLL-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; UNROLL-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @sink_after_with_multiple_users(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-IC-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-IC: vector.memcheck:
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; UNROLL-NO-IC-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; UNROLL-NO-IC-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-IC-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 8
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = bitcast i16* [[TMP7]] to <4 x i16>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP8]], align 2, !alias.scope !43
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = bitcast i16* [[TMP9]] to <4 x i16>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD7]] = load <4 x i16>, <4 x i16>* [[TMP10]], align 2, !alias.scope !43
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = shufflevector <4 x i16> [[WIDE_LOAD]], <4 x i16> [[WIDE_LOAD7]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = sext <4 x i16> [[TMP11]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = sext <4 x i16> [[TMP12]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = add nsw <4 x i32> [[TMP13]], <i32 2, i32 2, i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = add nsw <4 x i32> [[TMP14]], <i32 2, i32 2, i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = sext <4 x i16> [[WIDE_LOAD7]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = mul nsw <4 x i32> [[TMP15]], [[TMP17]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = mul nsw <4 x i32> [[TMP16]], [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP2]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = bitcast i32* [[TMP23]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP19]], <4 x i32>* [[TMP24]], align 4, !alias.scope !46, !noalias !43
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = bitcast i32* [[TMP25]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> [[TMP20]], <4 x i32>* [[TMP26]], align 4, !alias.scope !46, !noalias !43
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP27]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD7]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-IC-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NO-IC-NEXT: [[TMP28]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NO-IC-NEXT: [[CONV3:%.*]] = sext i16 [[TMP28]] to i32
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @sink_after_with_multiple_users(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; UNROLL-NO-VF-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; UNROLL-NO-VF-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; UNROLL-NO-VF-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-VF: vector.memcheck:
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; UNROLL-NO-VF-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; UNROLL-NO-VF-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; UNROLL-NO-VF-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; UNROLL-NO-VF-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-VF-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2
> +; UNROLL-NO-VF-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION7:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = add nuw nsw i64 [[INDUCTION]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[INDUCTION7]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP1]]
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]], align 2, !alias.scope !42
> +; UNROLL-NO-VF-NEXT: [[TMP6]] = load i16, i16* [[TMP4]], align 2, !alias.scope !42
> +; UNROLL-NO-VF-NEXT: [[TMP7:%.*]] = sext i16 [[VECTOR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = sext i16 [[TMP5]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = add nsw i32 [[TMP7]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = add nsw i32 [[TMP8]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = sext i16 [[TMP5]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = sext i16 [[TMP6]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = mul nsw i32 [[TMP9]], [[TMP11]]
> +; UNROLL-NO-VF-NEXT: [[TMP14:%.*]] = mul nsw i32 [[TMP10]], [[TMP12]]
> +; UNROLL-NO-VF-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDUCTION7]]
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP13]], i32* [[TMP15]], align 4, !alias.scope !45, !noalias !42
> +; UNROLL-NO-VF-NEXT: store i32 [[TMP14]], i32* [[TMP16]], align 4, !alias.scope !45, !noalias !42
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP47:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-VF: for.body:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP18:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; UNROLL-NO-VF-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; UNROLL-NO-VF-NEXT: [[TMP18]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; UNROLL-NO-VF-NEXT: [[CONV3:%.*]] = sext i16 [[TMP18]] to i32
> +; UNROLL-NO-VF-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; UNROLL-NO-VF-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; UNROLL-NO-VF-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @sink_after_with_multiple_users(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; SINK-AFTER: vector.memcheck:
> +; SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; SINK-AFTER-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; SINK-AFTER-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; SINK-AFTER-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; SINK-AFTER-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; SINK-AFTER-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[TMP3]], i32 0
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; SINK-AFTER-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !43
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[TMP7]], <i32 2, i32 2, i32 2, i32 2>
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP9]]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[TMP11]], i32 0
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = bitcast i32* [[TMP12]] to <4 x i32>*
> +; SINK-AFTER-NEXT: store <4 x i32> [[TMP10]], <4 x i32>* [[TMP13]], align 4, !alias.scope !46, !noalias !43
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; SINK-AFTER-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; SINK-AFTER: for.body:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP15:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; SINK-AFTER-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; SINK-AFTER-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; SINK-AFTER-NEXT: [[TMP15]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP15]] to i32
> +; SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @sink_after_with_multiple_users(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[B1:%.*]] = bitcast i32* [[B:%.*]] to i8*
> +; NO-SINK-AFTER-NEXT: [[DOTPRE:%.*]] = load i16, i16* [[A:%.*]], align 2
> +; NO-SINK-AFTER-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; NO-SINK-AFTER-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; NO-SINK-AFTER: vector.memcheck:
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP:%.*]] = getelementptr i32, i32* [[B]], i64 [[N]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP2:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP3:%.*]] = getelementptr i16, i16* [[A]], i64 1
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP34:%.*]] = bitcast i16* [[SCEVGEP3]] to i8*
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i64 [[N]], 1
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP5:%.*]] = getelementptr i16, i16* [[A]], i64 [[TMP0]]
> +; NO-SINK-AFTER-NEXT: [[SCEVGEP56:%.*]] = bitcast i16* [[SCEVGEP5]] to i8*
> +; NO-SINK-AFTER-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[B1]], [[SCEVGEP56]]
> +; NO-SINK-AFTER-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP34]], [[SCEVGEP2]]
> +; NO-SINK-AFTER-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; NO-SINK-AFTER-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_INIT:%.*]] = insertelement <4 x i16> poison, i16 [[DOTPRE]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ [[VECTOR_RECUR_INIT]], [[VECTOR_PH]] ], [ [[WIDE_LOAD:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[TMP2]]
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[TMP3]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = bitcast i16* [[TMP4]] to <4 x i16>*
> +; NO-SINK-AFTER-NEXT: [[WIDE_LOAD]] = load <4 x i16>, <4 x i16>* [[TMP5]], align 2, !alias.scope !43
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[WIDE_LOAD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = sext <4 x i16> [[TMP6]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[TMP7]], <i32 2, i32 2, i32 2, i32 2>
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP9]]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP1]]
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[TMP11]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = bitcast i32* [[TMP12]] to <4 x i32>*
> +; NO-SINK-AFTER-NEXT: store <4 x i32> [[TMP10]], <4 x i32>* [[TMP13]], align 4, !alias.scope !46, !noalias !43
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[WIDE_LOAD]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ [[DOTPRE]], [[VECTOR_MEMCHECK]] ], [ [[DOTPRE]], [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY:%.*]]
> +; NO-SINK-AFTER: for.body:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[TMP15:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[CONV:%.*]] = sext i16 [[SCALAR_RECUR]] to i32
> +; NO-SINK-AFTER-NEXT: [[ADD:%.*]] = add nsw i32 [[CONV]], 2
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i16, i16* [[A]], i64 [[INDVARS_IV_NEXT]]
> +; NO-SINK-AFTER-NEXT: [[TMP15]] = load i16, i16* [[ARRAYIDX2]], align 2
> +; NO-SINK-AFTER-NEXT: [[CONV3:%.*]] = sext i16 [[TMP15]] to i32
> +; NO-SINK-AFTER-NEXT: [[MUL:%.*]] = mul nsw i32 [[ADD]], [[CONV3]]
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: store i32 [[MUL]], i32* [[ARRAYIDX5]], align 4
> +; NO-SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[N]]
> +; NO-SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> +;
> entry:
> %.pre = load i16, i16* %a
> br label %for.body
> @@ -604,9 +4770,148 @@ for.end:
> ; branches will become users of the condition bit after vectorization and would
> ; need to be sunk if the loop is vectorized.
> define void @do_not_sink_branch(i32 %x, i32* %in, i32* %out, i32 %tc) local_unnamed_addr #0 {
> -; NO-SINK-AFTER-LABEL: do_not_sink_branch
> -; NO-SINK-AFTER-NOT: vector.ph:
> -; NO-SINK-AFTER: }
> +; CHECK-LABEL: @do_not_sink_branch(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[CMP530:%.*]] = icmp sgt i32 [[TC:%.*]], 0
> +; CHECK-NEXT: br label [[FOR_BODY4:%.*]]
> +; CHECK: for.body4:
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; CHECK-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; CHECK-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; CHECK: cond.true:
> +; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[INDVARS_IV]] to i64
> +; CHECK-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP0]]
> +; CHECK-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; CHECK-NEXT: br label [[COND_END]]
> +; CHECK: cond.end:
> +; CHECK-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[INDVARS_IV]] to i64
> +; CHECK-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP1]]
> +; CHECK-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; CHECK: for.end12.loopexit:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @do_not_sink_branch(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[CMP530:%.*]] = icmp sgt i32 [[TC:%.*]], 0
> +; UNROLL-NEXT: br label [[FOR_BODY4:%.*]]
> +; UNROLL: for.body4:
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; UNROLL-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; UNROLL-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; UNROLL: cond.true:
> +; UNROLL-NEXT: [[TMP0:%.*]] = zext i32 [[INDVARS_IV]] to i64
> +; UNROLL-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; UNROLL-NEXT: br label [[COND_END]]
> +; UNROLL: cond.end:
> +; UNROLL-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; UNROLL-NEXT: [[TMP1:%.*]] = zext i32 [[INDVARS_IV]] to i64
> +; UNROLL-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i64 [[TMP1]]
> +; UNROLL-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; UNROLL: for.end12.loopexit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @do_not_sink_branch(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[CMP530:%.*]] = icmp slt i32 0, [[TC:%.*]]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY4:%.*]]
> +; UNROLL-NO-IC: for.body4:
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; UNROLL-NO-IC: cond.true:
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[COND_END]]
> +; UNROLL-NO-IC: cond.end:
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; UNROLL-NO-IC: for.end12.loopexit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @do_not_sink_branch(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: [[CMP530:%.*]] = icmp slt i32 0, [[TC:%.*]]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_BODY4:%.*]]
> +; UNROLL-NO-VF: for.body4:
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; UNROLL-NO-VF-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; UNROLL-NO-VF: cond.true:
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; UNROLL-NO-VF-NEXT: br label [[COND_END]]
> +; UNROLL-NO-VF: cond.end:
> +; UNROLL-NO-VF-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; UNROLL-NO-VF-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-VF-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; UNROLL-NO-VF-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NO-VF-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; UNROLL-NO-VF-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; UNROLL-NO-VF-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; UNROLL-NO-VF: for.end12.loopexit:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @do_not_sink_branch(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: [[CMP530:%.*]] = icmp slt i32 0, [[TC:%.*]]
> +; SINK-AFTER-NEXT: br label [[FOR_BODY4:%.*]]
> +; SINK-AFTER: for.body4:
> +; SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; SINK-AFTER-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; SINK-AFTER-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; SINK-AFTER: cond.true:
> +; SINK-AFTER-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i32 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; SINK-AFTER-NEXT: br label [[COND_END]]
> +; SINK-AFTER: cond.end:
> +; SINK-AFTER-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; SINK-AFTER-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i32 [[INDVARS_IV]]
> +; SINK-AFTER-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; SINK-AFTER-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; SINK-AFTER: for.end12.loopexit:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @do_not_sink_branch(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: [[CMP530:%.*]] = icmp slt i32 0, [[TC:%.*]]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_BODY4:%.*]]
> +; NO-SINK-AFTER: for.body4:
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[COND_END:%.*]] ]
> +; NO-SINK-AFTER-NEXT: [[CMP534:%.*]] = phi i1 [ [[CMP530]], [[ENTRY]] ], [ [[CMP5:%.*]], [[COND_END]] ]
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP534]], label [[COND_TRUE:%.*]], label [[COND_END]]
> +; NO-SINK-AFTER: cond.true:
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX7:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i32 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: [[IN_VAL:%.*]] = load i32, i32* [[ARRAYIDX7]], align 4
> +; NO-SINK-AFTER-NEXT: br label [[COND_END]]
> +; NO-SINK-AFTER: cond.end:
> +; NO-SINK-AFTER-NEXT: [[COND:%.*]] = phi i32 [ [[IN_VAL]], [[COND_TRUE]] ], [ 0, [[FOR_BODY4]] ]
> +; NO-SINK-AFTER-NEXT: [[ARRAYIDX8:%.*]] = getelementptr inbounds i32, i32* [[OUT:%.*]], i32 [[INDVARS_IV]]
> +; NO-SINK-AFTER-NEXT: store i32 [[COND]], i32* [[ARRAYIDX8]], align 4
> +; NO-SINK-AFTER-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; NO-SINK-AFTER-NEXT: [[CMP5]] = icmp slt i32 [[INDVARS_IV_NEXT]], [[TC]]
> +; NO-SINK-AFTER-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[X:%.*]]
> +; NO-SINK-AFTER-NEXT: br i1 [[EXITCOND]], label [[FOR_END12_LOOPEXIT:%.*]], label [[FOR_BODY4]]
> +; NO-SINK-AFTER: for.end12.loopexit:
> +; NO-SINK-AFTER-NEXT: ret void
> +;
> entry:
> %cmp530 = icmp slt i32 0, %tc
> br label %for.body4
> @@ -637,22 +4942,253 @@ for.end12.loopexit: ; preds = %cond.end
> ; Dead instructions, like the exit condition are not part of the actual VPlan
> ; and do not need to be sunk. PR44634.
> define void @sink_dead_inst() {
> -; SINK-AFTER-LABEL: define void @sink_dead_inst(
> -; SINK-AFTER-LABEL: vector.body: ; preds = %vector.body, %vector.ph
> -; SINK-AFTER-NEXT: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; SINK-AFTER-NEXT: %vec.ind = phi <4 x i16> [ <i16 -27, i16 -26, i16 -25, i16 -24>, %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; SINK-AFTER-NEXT: %vector.recur = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, %vector.ph ], [ %3, %vector.body ]
> -; SINK-AFTER-NEXT: %vector.recur1 = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 -27>, %vector.ph ], [ %1, %vector.body ]
> -; SINK-AFTER-NEXT: %0 = add <4 x i16> %vec.ind, <i16 1, i16 1, i16 1, i16 1>
> -; SINK-AFTER-NEXT: %1 = zext <4 x i16> %0 to <4 x i32>
> -; SINK-AFTER-NEXT: %2 = shufflevector <4 x i32> %vector.recur1, <4 x i32> %1, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; SINK-AFTER-NEXT: %3 = add <4 x i16> %0, <i16 5, i16 5, i16 5, i16 5>
> -; SINK-AFTER-NEXT: %4 = shufflevector <4 x i16> %vector.recur, <4 x i16> %3, <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; SINK-AFTER-NEXT: %5 = sub <4 x i16> %4, <i16 10, i16 10, i16 10, i16 10>
> -; SINK-AFTER-NEXT: %index.next = add nuw i32 %index, 4
> -; SINK-AFTER-NEXT: %vec.ind.next = add <4 x i16> %vec.ind, <i16 4, i16 4, i16 4, i16 4>
> -; SINK-AFTER-NEXT: %6 = icmp eq i32 %index.next, 40
> -; SINK-AFTER-NEXT: br i1 %6, label %middle.block, label %vector.body, !llvm.loop !50
> +;
> +; CHECK-LABEL: @sink_dead_inst(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = phi i16 [ -24, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP1]] = add i16 [[TMP0]], 4
> +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq i32 [[INDEX_NEXT]], 40
> +; CHECK-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP3:%.*]] = or i16 [[TMP0]], 1
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = zext i16 [[TMP3]] to i32
> +; CHECK-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT4:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT2]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ -27, [[ENTRY]] ], [ 13, [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_COND:%.*]]
> +; CHECK: for.cond:
> +; CHECK-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; CHECK-NEXT: [[SCALAR_RECUR5:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT4]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR5]], 15
> +; CHECK-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; CHECK-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; CHECK-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP51:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @sink_dead_inst(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = phi i16 [ -24, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP1]] = add i16 [[TMP0]], 8
> +; UNROLL-NEXT: [[TMP2:%.*]] = icmp eq i32 [[INDEX_NEXT]], 40
> +; UNROLL-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i16 [[TMP0]], 5
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = zext i16 [[TMP3]] to i32
> +; UNROLL-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT5:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT3]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ -27, [[ENTRY]] ], [ 13, [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[FOR_COND:%.*]]
> +; UNROLL: for.cond:
> +; UNROLL-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; UNROLL-NEXT: [[SCALAR_RECUR6:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT5]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; UNROLL-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR6]], 15
> +; UNROLL-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; UNROLL-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; UNROLL-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP51:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @sink_dead_inst(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 -27, i16 -26, i16 -25, i16 -24>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR2:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 -27>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add <4 x i16> [[STEP_ADD]], <i16 1, i16 1, i16 1, i16 1>
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = zext <4 x i16> [[TMP0]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP3]] = zext <4 x i16> [[TMP1]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR2]], <4 x i32> [[TMP2]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = shufflevector <4 x i32> [[TMP2]], <4 x i32> [[TMP3]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add <4 x i16> [[TMP0]], <i16 5, i16 5, i16 5, i16 5>
> +; UNROLL-NO-IC-NEXT: [[TMP7]] = add <4 x i16> [[TMP1]], <i16 5, i16 5, i16 5, i16 5>
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP6]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = shufflevector <4 x i16> [[TMP6]], <4 x i16> [[TMP7]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = sub <4 x i16> [[TMP8]], <i16 10, i16 10, i16 10, i16 10>
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = sub <4 x i16> [[TMP9]], <i16 10, i16 10, i16 10, i16 10>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[STEP_ADD]], <i16 4, i16 4, i16 4, i16 4>
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], 40
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 43, 40
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP7]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP7]], i32 2
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT3:%.*]] = extractelement <4 x i32> [[TMP3]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI4:%.*]] = extractelement <4 x i32> [[TMP3]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT5:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT3]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ 0, [[ENTRY]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 13, [[MIDDLE_BLOCK]] ], [ -27, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_COND:%.*]]
> +; UNROLL-NO-IC: for.cond:
> +; UNROLL-NO-IC-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[REC_1_PREV:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR6:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT5]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-IC-NEXT: [[USE_REC_1:%.*]] = sub i16 [[SCALAR_RECUR]], 10
> +; UNROLL-NO-IC-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR6]], 15
> +; UNROLL-NO-IC-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; UNROLL-NO-IC-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; UNROLL-NO-IC-NEXT: [[REC_1_PREV]] = add i16 [[IV_NEXT]], 5
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP51:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @sink_dead_inst(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i16 [ 0, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR2:%.*]] = phi i32 [ -27, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = trunc i32 [[INDEX]] to i16
> +; UNROLL-NO-VF-NEXT: [[OFFSET_IDX:%.*]] = add i16 -27, [[TMP0]]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION1:%.*]] = add i16 [[OFFSET_IDX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = add i16 [[INDUCTION]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = add i16 [[INDUCTION1]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = zext i16 [[TMP1]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP4]] = zext i16 [[TMP2]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = add i16 [[TMP1]], 5
> +; UNROLL-NO-VF-NEXT: [[TMP6]] = add i16 [[TMP2]], 5
> +; UNROLL-NO-VF-NEXT: [[TMP7:%.*]] = sub i16 [[VECTOR_RECUR]], 10
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = sub i16 [[TMP5]], 10
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], 42
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i32 43, 42
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT3:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ 0, [[ENTRY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 15, [[MIDDLE_BLOCK]] ], [ -27, [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: br label [[FOR_COND:%.*]]
> +; UNROLL-NO-VF: for.cond:
> +; UNROLL-NO-VF-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[REC_1_PREV:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR4:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT3]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; UNROLL-NO-VF-NEXT: [[USE_REC_1:%.*]] = sub i16 [[SCALAR_RECUR]], 10
> +; UNROLL-NO-VF-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR4]], 15
> +; UNROLL-NO-VF-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; UNROLL-NO-VF-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; UNROLL-NO-VF-NEXT: [[REC_1_PREV]] = add i16 [[IV_NEXT]], 5
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP50:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @sink_dead_inst(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 -27, i16 -26, i16 -25, i16 -24>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 -27>, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; SINK-AFTER-NEXT: [[TMP1]] = zext <4 x i16> [[TMP0]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR1]], <4 x i32> [[TMP1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP3]] = add <4 x i16> [[TMP0]], <i16 5, i16 5, i16 5, i16 5>
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP3]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = sub <4 x i16> [[TMP4]], <i16 10, i16 10, i16 10, i16 10>
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 40
> +; SINK-AFTER-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 43, 40
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP3]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP3]], i32 2
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = extractelement <4 x i32> [[TMP1]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI3:%.*]] = extractelement <4 x i32> [[TMP1]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT4:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT2]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ 0, [[ENTRY]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 13, [[MIDDLE_BLOCK]] ], [ -27, [[ENTRY]] ]
> +; SINK-AFTER-NEXT: br label [[FOR_COND:%.*]]
> +; SINK-AFTER: for.cond:
> +; SINK-AFTER-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[REC_1_PREV:%.*]], [[FOR_COND]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR5:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT4]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; SINK-AFTER-NEXT: [[USE_REC_1:%.*]] = sub i16 [[SCALAR_RECUR]], 10
> +; SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR5]], 15
> +; SINK-AFTER-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; SINK-AFTER-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; SINK-AFTER-NEXT: [[REC_1_PREV]] = add i16 [[IV_NEXT]], 5
> +; SINK-AFTER-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP51:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @sink_dead_inst(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 -27, i16 -26, i16 -25, i16 -24>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i16> [ <i16 poison, i16 poison, i16 poison, i16 0>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR1:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 -27>, [[VECTOR_PH]] ], [ [[TMP1:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; NO-SINK-AFTER-NEXT: [[TMP1]] = zext <4 x i16> [[TMP0]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR1]], <4 x i32> [[TMP1]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP3]] = add <4 x i16> [[TMP0]], <i16 5, i16 5, i16 5, i16 5>
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = shufflevector <4 x i16> [[VECTOR_RECUR]], <4 x i16> [[TMP3]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = sub <4 x i16> [[TMP4]], <i16 10, i16 10, i16 10, i16 10>
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 40
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 43, 40
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i16> [[TMP3]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i16> [[TMP3]], i32 2
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT2:%.*]] = extractelement <4 x i32> [[TMP1]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI3:%.*]] = extractelement <4 x i32> [[TMP1]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT4:%.*]] = phi i32 [ -27, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT2]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i16 [ 0, [[ENTRY]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 13, [[MIDDLE_BLOCK]] ], [ -27, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: br label [[FOR_COND:%.*]]
> +; NO-SINK-AFTER: for.cond:
> +; NO-SINK-AFTER-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_COND]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i16 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[REC_1_PREV:%.*]], [[FOR_COND]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR5:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT4]], [[SCALAR_PH]] ], [ [[REC_2_PREV:%.*]], [[FOR_COND]] ]
> +; NO-SINK-AFTER-NEXT: [[USE_REC_1:%.*]] = sub i16 [[SCALAR_RECUR]], 10
> +; NO-SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR5]], 15
> +; NO-SINK-AFTER-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; NO-SINK-AFTER-NEXT: [[REC_2_PREV]] = zext i16 [[IV_NEXT]] to i32
> +; NO-SINK-AFTER-NEXT: [[REC_1_PREV]] = add i16 [[IV_NEXT]], 5
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP]], label [[FOR_END]], label [[FOR_COND]], !llvm.loop [[LOOP51:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> ;
> entry:
> br label %for.cond
> @@ -673,6 +5209,7 @@ for.end:
> }
>
> define i32 @sink_into_replication_region(i32 %y) {
> +;
> ; CHECK-LABEL: @sink_into_replication_region(
> ; CHECK-NEXT: bb:
> ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> @@ -687,13 +5224,13 @@ define i32 @sink_into_replication_region(i32 %y) {
> ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> -; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE9:%.*]] ]
> -; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_UDIV_CONTINUE9]] ]
> -; CHECK-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_UDIV_CONTINUE9]] ]
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE8:%.*]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> -; CHECK-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> -; CHECK-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT2]], <4 x i32> poison, <4 x i32> zeroinitializer
> -; CHECK-NEXT: [[VEC_IV:%.*]] = or <4 x i32> [[BROADCAST_SPLAT3]], <i32 0, i32 1, i32 2, i32 3>
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT1]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; CHECK-NEXT: [[VEC_IV:%.*]] = or <4 x i32> [[BROADCAST_SPLAT2]], <i32 0, i32 1, i32 2, i32 3>
> ; CHECK-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
> ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
> ; CHECK-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> @@ -704,68 +5241,577 @@ define i32 @sink_into_replication_region(i32 %y) {
> ; CHECK: pred.udiv.continue:
> ; CHECK-NEXT: [[TMP6:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP5]], [[PRED_UDIV_IF]] ]
> ; CHECK-NEXT: [[TMP7:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
> -; CHECK-NEXT: br i1 [[TMP7]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; CHECK-NEXT: br i1 [[TMP7]], label [[PRED_UDIV_IF3:%.*]], label [[PRED_UDIV_CONTINUE4:%.*]]
> ; CHECK: pred.udiv.if3:
> ; CHECK-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], -1
> ; CHECK-NEXT: [[TMP9:%.*]] = udiv i32 219220132, [[TMP8]]
> ; CHECK-NEXT: [[TMP10:%.*]] = insertelement <4 x i32> [[TMP6]], i32 [[TMP9]], i32 1
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE4]]
> ; CHECK: pred.udiv.continue4:
> -; CHECK-NEXT: [[TMP11:%.*]] = phi <4 x i32> [ [[TMP6]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP10]], [[PRED_UDIV_IF4]] ]
> +; CHECK-NEXT: [[TMP11:%.*]] = phi <4 x i32> [ [[TMP6]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP10]], [[PRED_UDIV_IF3]] ]
> ; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
> -; CHECK-NEXT: br i1 [[TMP12]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; CHECK-NEXT: br i1 [[TMP12]], label [[PRED_UDIV_IF5:%.*]], label [[PRED_UDIV_CONTINUE6:%.*]]
> ; CHECK: pred.udiv.if5:
> ; CHECK-NEXT: [[TMP13:%.*]] = add i32 [[OFFSET_IDX]], -2
> ; CHECK-NEXT: [[TMP14:%.*]] = udiv i32 219220132, [[TMP13]]
> ; CHECK-NEXT: [[TMP15:%.*]] = insertelement <4 x i32> [[TMP11]], i32 [[TMP14]], i32 2
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE6]]
> ; CHECK: pred.udiv.continue6:
> -; CHECK-NEXT: [[TMP16:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP15]], [[PRED_UDIV_IF6]] ]
> +; CHECK-NEXT: [[TMP16:%.*]] = phi <4 x i32> [ [[TMP11]], [[PRED_UDIV_CONTINUE4]] ], [ [[TMP15]], [[PRED_UDIV_IF5]] ]
> ; CHECK-NEXT: [[TMP17:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
> -; CHECK-NEXT: br i1 [[TMP17]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9]]
> +; CHECK-NEXT: br i1 [[TMP17]], label [[PRED_UDIV_IF7:%.*]], label [[PRED_UDIV_CONTINUE8]]
> ; CHECK: pred.udiv.if7:
> ; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[OFFSET_IDX]], -3
> ; CHECK-NEXT: [[TMP19:%.*]] = udiv i32 219220132, [[TMP18]]
> ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP16]], i32 [[TMP19]], i32 3
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE8]]
> ; CHECK: pred.udiv.continue8:
> -; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP16]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP20]], [[PRED_UDIV_IF8]] ]
> +; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP16]], [[PRED_UDIV_CONTINUE6]] ], [ [[TMP20]], [[PRED_UDIV_IF7]] ]
> ; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP21]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI1]], [[TMP22]]
> +; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI]], [[TMP22]]
> ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> ; CHECK-NEXT: [[TMP24:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> -; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof !52, [[LOOP46:!llvm.loop !.*]]
> +; CHECK-NEXT: br i1 [[TMP24]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52:![0-9]+]], !llvm.loop [[LOOP53:![0-9]+]]
> ; CHECK: middle.block:
> -; CHECK-NEXT: [[TMP25:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI1]]
> +; CHECK-NEXT: [[TMP25:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI]]
> ; CHECK-NEXT: [[TMP26:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
> ; CHECK-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> ; CHECK: scalar.ph:
> ; CHECK-NEXT: br label [[BB2:%.*]]
> ; CHECK: bb1:
> -; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
> -; CHECK-NEXT: ret i32 [[TMP]]
> +; CHECK-NEXT: [[VAR:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP26]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[VAR]]
> ; CHECK: bb2:
> -; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof !54, [[LOOP48:!llvm.loop !.*]]
> +; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof [[PROF54:![0-9]+]], !llvm.loop [[LOOP55:![0-9]+]]
> +;
> +; UNROLL-LABEL: @sink_into_replication_region(
> +; UNROLL-NEXT: bb:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 7
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -8
> +; UNROLL-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = add i32 [[TMP1]], -1
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE19:%.*]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP45:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP46:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT3]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NEXT: [[VEC_IV:%.*]] = or <4 x i32> [[BROADCAST_SPLAT4]], <i32 0, i32 1, i32 2, i32 3>
> +; UNROLL-NEXT: [[VEC_IV5:%.*]] = or <4 x i32> [[BROADCAST_SPLAT4]], <i32 4, i32 5, i32 6, i32 7>
> +; UNROLL-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp ule <4 x i32> [[VEC_IV5]], [[BROADCAST_SPLAT]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP4]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL: pred.udiv.if:
> +; UNROLL-NEXT: [[TMP5:%.*]] = udiv i32 219220132, [[OFFSET_IDX]]
> +; UNROLL-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL: pred.udiv.continue:
> +; UNROLL-NEXT: [[TMP7:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP6]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP8]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; UNROLL: pred.udiv.if6:
> +; UNROLL-NEXT: [[TMP9:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NEXT: [[TMP10:%.*]] = udiv i32 219220132, [[TMP9]]
> +; UNROLL-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP7]], i32 [[TMP10]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; UNROLL: pred.udiv.continue7:
> +; UNROLL-NEXT: [[TMP12:%.*]] = phi <4 x i32> [ [[TMP7]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP11]], [[PRED_UDIV_IF6]] ]
> +; UNROLL-NEXT: [[TMP13:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP13]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL: pred.udiv.if8:
> +; UNROLL-NEXT: [[TMP14:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; UNROLL-NEXT: [[TMP15:%.*]] = udiv i32 219220132, [[TMP14]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP12]], i32 [[TMP15]], i32 2
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL: pred.udiv.continue9:
> +; UNROLL-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP12]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP16]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11:%.*]]
> +; UNROLL: pred.udiv.if10:
> +; UNROLL-NEXT: [[TMP19:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; UNROLL-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP19]]
> +; UNROLL-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP20]], i32 3
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL: pred.udiv.continue11:
> +; UNROLL-NEXT: [[TMP22:%.*]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP21]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NEXT: [[TMP23:%.*]] = extractelement <4 x i1> [[TMP3]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP23]], label [[PRED_UDIV_IF12:%.*]], label [[PRED_UDIV_CONTINUE13:%.*]]
> +; UNROLL: pred.udiv.if12:
> +; UNROLL-NEXT: [[TMP24:%.*]] = add i32 [[OFFSET_IDX]], -4
> +; UNROLL-NEXT: [[TMP25:%.*]] = udiv i32 219220132, [[TMP24]]
> +; UNROLL-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> poison, i32 [[TMP25]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE13]]
> +; UNROLL: pred.udiv.continue13:
> +; UNROLL-NEXT: [[TMP27:%.*]] = phi <4 x i32> [ poison, [[PRED_UDIV_CONTINUE11]] ], [ [[TMP26]], [[PRED_UDIV_IF12]] ]
> +; UNROLL-NEXT: [[TMP28:%.*]] = extractelement <4 x i1> [[TMP3]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP28]], label [[PRED_UDIV_IF14:%.*]], label [[PRED_UDIV_CONTINUE15:%.*]]
> +; UNROLL: pred.udiv.if14:
> +; UNROLL-NEXT: [[TMP29:%.*]] = add i32 [[OFFSET_IDX]], -5
> +; UNROLL-NEXT: [[TMP30:%.*]] = udiv i32 219220132, [[TMP29]]
> +; UNROLL-NEXT: [[TMP31:%.*]] = insertelement <4 x i32> [[TMP27]], i32 [[TMP30]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE15]]
> +; UNROLL: pred.udiv.continue15:
> +; UNROLL-NEXT: [[TMP32:%.*]] = phi <4 x i32> [ [[TMP27]], [[PRED_UDIV_CONTINUE13]] ], [ [[TMP31]], [[PRED_UDIV_IF14]] ]
> +; UNROLL-NEXT: [[TMP33:%.*]] = extractelement <4 x i1> [[TMP3]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP33]], label [[PRED_UDIV_IF16:%.*]], label [[PRED_UDIV_CONTINUE17:%.*]]
> +; UNROLL: pred.udiv.if16:
> +; UNROLL-NEXT: [[TMP34:%.*]] = add i32 [[OFFSET_IDX]], -6
> +; UNROLL-NEXT: [[TMP35:%.*]] = udiv i32 219220132, [[TMP34]]
> +; UNROLL-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP32]], i32 [[TMP35]], i32 2
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE17]]
> +; UNROLL: pred.udiv.continue17:
> +; UNROLL-NEXT: [[TMP37:%.*]] = phi <4 x i32> [ [[TMP32]], [[PRED_UDIV_CONTINUE15]] ], [ [[TMP36]], [[PRED_UDIV_IF16]] ]
> +; UNROLL-NEXT: [[TMP38:%.*]] = extractelement <4 x i1> [[TMP3]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP38]], label [[PRED_UDIV_IF18:%.*]], label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL: pred.udiv.if18:
> +; UNROLL-NEXT: [[TMP39:%.*]] = add i32 [[OFFSET_IDX]], -7
> +; UNROLL-NEXT: [[TMP40:%.*]] = udiv i32 219220132, [[TMP39]]
> +; UNROLL-NEXT: [[TMP41:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP40]], i32 3
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL: pred.udiv.continue19:
> +; UNROLL-NEXT: [[TMP42]] = phi <4 x i32> [ [[TMP37]], [[PRED_UDIV_CONTINUE17]] ], [ [[TMP41]], [[PRED_UDIV_IF18]] ]
> +; UNROLL-NEXT: [[TMP43:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[TMP22]], <4 x i32> [[TMP42]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP45]] = add <4 x i32> [[VEC_PHI]], [[TMP43]]
> +; UNROLL-NEXT: [[TMP46]] = add <4 x i32> [[VEC_PHI2]], [[TMP44]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP47:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP47]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52:![0-9]+]], !llvm.loop [[LOOP53:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[TMP48:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[TMP46]], <4 x i32> [[VEC_PHI2]]
> +; UNROLL-NEXT: [[TMP49:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP45]], <4 x i32> [[VEC_PHI]]
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP48]], [[TMP49]]
> +; UNROLL-NEXT: [[TMP50:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[BB2:%.*]]
> +; UNROLL: bb1:
> +; UNROLL-NEXT: [[VAR:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP50]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[VAR]]
> +; UNROLL: bb2:
> +; UNROLL-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof [[PROF54:![0-9]+]], !llvm.loop [[LOOP55:![0-9]+]]
> +;
> +; UNROLL-NO-IC-LABEL: @sink_into_replication_region(
> +; UNROLL-NO-IC-NEXT: bb:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NO-IC-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 7
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 8
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE19:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP43:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP46:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP47:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT3]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[VEC_IV:%.*]] = add <4 x i32> [[BROADCAST_SPLAT4]], <i32 0, i32 1, i32 2, i32 3>
> +; UNROLL-NO-IC-NEXT: [[VEC_IV5:%.*]] = add <4 x i32> [[BROADCAST_SPLAT4]], <i32 4, i32 5, i32 6, i32 7>
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = icmp ule <4 x i32> [[VEC_IV5]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP4]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if:
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = udiv i32 219220132, [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP6]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL-NO-IC: pred.udiv.continue:
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP9]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if6:
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = udiv i32 219220132, [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP8]], i32 [[TMP11]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; UNROLL-NO-IC: pred.udiv.continue7:
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = phi <4 x i32> [ [[TMP8]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP12]], [[PRED_UDIV_IF6]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP14]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if8:
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = udiv i32 219220132, [[TMP15]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP13]], i32 [[TMP16]], i32 2
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL-NO-IC: pred.udiv.continue9:
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = phi <4 x i32> [ [[TMP13]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP17]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP19]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if10:
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = udiv i32 219220132, [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP21]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL-NO-IC: pred.udiv.continue11:
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP22]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP3]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP24]], label [[PRED_UDIV_IF12:%.*]], label [[PRED_UDIV_CONTINUE13:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if12:
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = add i32 [[OFFSET_IDX]], -4
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = udiv i32 219220132, [[TMP25]]
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = insertelement <4 x i32> poison, i32 [[TMP26]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE13]]
> +; UNROLL-NO-IC: pred.udiv.continue13:
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = phi <4 x i32> [ poison, [[PRED_UDIV_CONTINUE11]] ], [ [[TMP27]], [[PRED_UDIV_IF12]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = extractelement <4 x i1> [[TMP3]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP29]], label [[PRED_UDIV_IF14:%.*]], label [[PRED_UDIV_CONTINUE15:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if14:
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = add i32 [[OFFSET_IDX]], -5
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = udiv i32 219220132, [[TMP30]]
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP31]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE15]]
> +; UNROLL-NO-IC: pred.udiv.continue15:
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_UDIV_CONTINUE13]] ], [ [[TMP32]], [[PRED_UDIV_IF14]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = extractelement <4 x i1> [[TMP3]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP34]], label [[PRED_UDIV_IF16:%.*]], label [[PRED_UDIV_CONTINUE17:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if16:
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = add i32 [[OFFSET_IDX]], -6
> +; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = udiv i32 219220132, [[TMP35]]
> +; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP33]], i32 [[TMP36]], i32 2
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE17]]
> +; UNROLL-NO-IC: pred.udiv.continue17:
> +; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = phi <4 x i32> [ [[TMP33]], [[PRED_UDIV_CONTINUE15]] ], [ [[TMP37]], [[PRED_UDIV_IF16]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = extractelement <4 x i1> [[TMP3]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP39]], label [[PRED_UDIV_IF18:%.*]], label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL-NO-IC: pred.udiv.if18:
> +; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = add i32 [[OFFSET_IDX]], -7
> +; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = udiv i32 219220132, [[TMP40]]
> +; UNROLL-NO-IC-NEXT: [[TMP42:%.*]] = insertelement <4 x i32> [[TMP38]], i32 [[TMP41]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL-NO-IC: pred.udiv.continue19:
> +; UNROLL-NO-IC-NEXT: [[TMP43]] = phi <4 x i32> [ [[TMP38]], [[PRED_UDIV_CONTINUE17]] ], [ [[TMP42]], [[PRED_UDIV_IF18]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP23]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP45:%.*]] = shufflevector <4 x i32> [[TMP23]], <4 x i32> [[TMP43]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP46]] = add <4 x i32> [[VEC_PHI]], [[TMP44]]
> +; UNROLL-NO-IC-NEXT: [[TMP47]] = add <4 x i32> [[VEC_PHI2]], [[TMP45]]
> +; UNROLL-NO-IC-NEXT: [[TMP48:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP46]], <4 x i32> [[VEC_PHI]]
> +; UNROLL-NO-IC-NEXT: [[TMP49:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[TMP47]], <4 x i32> [[VEC_PHI2]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; UNROLL-NO-IC-NEXT: [[TMP50:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP50]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52:![0-9]+]], !llvm.loop [[LOOP53:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP49]], [[TMP48]]
> +; UNROLL-NO-IC-NEXT: [[TMP51:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP43]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP43]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP51]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[BB2:%.*]]
> +; UNROLL-NO-IC: bb1:
> +; UNROLL-NO-IC-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP51]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[VAR]]
> +; UNROLL-NO-IC: bb2:
> +; UNROLL-NO-IC-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; UNROLL-NO-IC-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; UNROLL-NO-IC-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; UNROLL-NO-IC-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; UNROLL-NO-IC-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54:![0-9]+]], !llvm.loop [[LOOP55:![0-9]+]]
> +;
> +; UNROLL-NO-VF-LABEL: @sink_into_replication_region(
> +; UNROLL-NO-VF-NEXT: bb:
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NO-VF-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 1
> +; UNROLL-NO-VF-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 2
> +; UNROLL-NO-VF-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; UNROLL-NO-VF-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE5:%.*]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[PRED_UDIV_CONTINUE5]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[PRED_UDIV_CONTINUE5]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI2:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[PRED_UDIV_CONTINUE5]] ]
> +; UNROLL-NO-VF-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NO-VF-NEXT: [[VEC_IV:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[VEC_IV3:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = icmp ule i32 [[VEC_IV]], [[TRIP_COUNT_MINUS_1]]
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = icmp ule i32 [[VEC_IV3]], [[TRIP_COUNT_MINUS_1]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP2]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL-NO-VF: pred.udiv.if:
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = udiv i32 219220132, [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL-NO-VF: pred.udiv.continue:
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5]]
> +; UNROLL-NO-VF: pred.udiv.if4:
> +; UNROLL-NO-VF-NEXT: [[INDUCTION1:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NO-VF-NEXT: [[TMP6:%.*]] = udiv i32 219220132, [[INDUCTION1]]
> +; UNROLL-NO-VF-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; UNROLL-NO-VF: pred.udiv.continue5:
> +; UNROLL-NO-VF-NEXT: [[TMP7]] = phi i32 [ poison, [[PRED_UDIV_CONTINUE]] ], [ [[TMP6]], [[PRED_UDIV_IF4]] ]
> +; UNROLL-NO-VF-NEXT: [[TMP8]] = add i32 [[VEC_PHI]], [[VECTOR_RECUR]]
> +; UNROLL-NO-VF-NEXT: [[TMP9]] = add i32 [[VEC_PHI2]], [[TMP5]]
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = select i1 [[TMP2]], i32 [[TMP8]], i32 [[VEC_PHI]]
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = select i1 [[TMP3]], i32 [[TMP9]], i32 [[VEC_PHI2]]
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF51:![0-9]+]], !llvm.loop [[LOOP52:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[BIN_RDX:%.*]] = add i32 [[TMP11]], [[TMP10]]
> +; UNROLL-NO-VF-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[BB2:%.*]]
> +; UNROLL-NO-VF: bb1:
> +; UNROLL-NO-VF-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: ret i32 [[VAR]]
> +; UNROLL-NO-VF: bb2:
> +; UNROLL-NO-VF-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; UNROLL-NO-VF-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; UNROLL-NO-VF-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; UNROLL-NO-VF-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; UNROLL-NO-VF-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF53:![0-9]+]], !llvm.loop [[LOOP54:![0-9]+]]
> +;
> +; SINK-AFTER-LABEL: @sink_into_replication_region(
> +; SINK-AFTER-NEXT: bb:
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; SINK-AFTER-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
> +; SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 4
> +; SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; SINK-AFTER-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; SINK-AFTER-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; SINK-AFTER-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE8:%.*]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP24:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT1]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: [[VEC_IV:%.*]] = add <4 x i32> [[BROADCAST_SPLAT2]], <i32 0, i32 1, i32 2, i32 3>
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
> +; SINK-AFTER-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; SINK-AFTER: pred.udiv.if:
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = udiv i32 219220132, [[TMP4]]
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i32 0
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; SINK-AFTER: pred.udiv.continue:
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP6]], [[PRED_UDIV_IF]] ]
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
> +; SINK-AFTER-NEXT: br i1 [[TMP8]], label [[PRED_UDIV_IF3:%.*]], label [[PRED_UDIV_CONTINUE4:%.*]]
> +; SINK-AFTER: pred.udiv.if3:
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = udiv i32 219220132, [[TMP9]]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP7]], i32 [[TMP10]], i32 1
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE4]]
> +; SINK-AFTER: pred.udiv.continue4:
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = phi <4 x i32> [ [[TMP7]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP11]], [[PRED_UDIV_IF3]] ]
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[TMP13]], label [[PRED_UDIV_IF5:%.*]], label [[PRED_UDIV_CONTINUE6:%.*]]
> +; SINK-AFTER: pred.udiv.if5:
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; SINK-AFTER-NEXT: [[TMP15:%.*]] = udiv i32 219220132, [[TMP14]]
> +; SINK-AFTER-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP12]], i32 [[TMP15]], i32 2
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE6]]
> +; SINK-AFTER: pred.udiv.continue6:
> +; SINK-AFTER-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP12]], [[PRED_UDIV_CONTINUE4]] ], [ [[TMP16]], [[PRED_UDIV_IF5]] ]
> +; SINK-AFTER-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
> +; SINK-AFTER-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF7:%.*]], label [[PRED_UDIV_CONTINUE8]]
> +; SINK-AFTER: pred.udiv.if7:
> +; SINK-AFTER-NEXT: [[TMP19:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; SINK-AFTER-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP19]]
> +; SINK-AFTER-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP20]], i32 3
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE8]]
> +; SINK-AFTER: pred.udiv.continue8:
> +; SINK-AFTER-NEXT: [[TMP22]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE6]] ], [ [[TMP21]], [[PRED_UDIV_IF7]] ]
> +; SINK-AFTER-NEXT: [[TMP23:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP24]] = add <4 x i32> [[VEC_PHI]], [[TMP23]]
> +; SINK-AFTER-NEXT: [[TMP25:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52:![0-9]+]], !llvm.loop [[LOOP53:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[TMP27:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP22]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP22]], i32 2
> +; SINK-AFTER-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: br label [[BB2:%.*]]
> +; SINK-AFTER: bb1:
> +; SINK-AFTER-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: ret i32 [[VAR]]
> +; SINK-AFTER: bb2:
> +; SINK-AFTER-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; SINK-AFTER-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; SINK-AFTER-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; SINK-AFTER-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; SINK-AFTER-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54:![0-9]+]], !llvm.loop [[LOOP55:![0-9]+]]
> +;
> +; NO-SINK-AFTER-LABEL: @sink_into_replication_region(
> +; NO-SINK-AFTER-NEXT: bb:
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; NO-SINK-AFTER-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; NO-SINK-AFTER-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE8:%.*]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP24:%.*]], [[PRED_UDIV_CONTINUE8]] ]
> +; NO-SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <4 x i32> poison, i32 [[INDEX]], i32 0
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT1]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[VEC_IV:%.*]] = add <4 x i32> [[BROADCAST_SPLAT2]], <i32 0, i32 1, i32 2, i32 3>
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = icmp ule <4 x i32> [[VEC_IV]], [[BROADCAST_SPLAT]]
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = extractelement <4 x i1> [[TMP2]], i32 0
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if:
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = udiv i32 219220132, [[TMP4]]
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> poison, i32 [[TMP5]], i32 0
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; NO-SINK-AFTER: pred.udiv.continue:
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP6]], [[PRED_UDIV_IF]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP2]], i32 1
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP8]], label [[PRED_UDIV_IF3:%.*]], label [[PRED_UDIV_CONTINUE4:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if3:
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = udiv i32 219220132, [[TMP9]]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> [[TMP7]], i32 [[TMP10]], i32 1
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE4]]
> +; NO-SINK-AFTER: pred.udiv.continue4:
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = phi <4 x i32> [ [[TMP7]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP11]], [[PRED_UDIV_IF3]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = extractelement <4 x i1> [[TMP2]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP13]], label [[PRED_UDIV_IF5:%.*]], label [[PRED_UDIV_CONTINUE6:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if5:
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = udiv i32 219220132, [[TMP14]]
> +; NO-SINK-AFTER-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP12]], i32 [[TMP15]], i32 2
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE6]]
> +; NO-SINK-AFTER: pred.udiv.continue6:
> +; NO-SINK-AFTER-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP12]], [[PRED_UDIV_CONTINUE4]] ], [ [[TMP16]], [[PRED_UDIV_IF5]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP2]], i32 3
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF7:%.*]], label [[PRED_UDIV_CONTINUE8]]
> +; NO-SINK-AFTER: pred.udiv.if7:
> +; NO-SINK-AFTER-NEXT: [[TMP19:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; NO-SINK-AFTER-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP19]]
> +; NO-SINK-AFTER-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP20]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE8]]
> +; NO-SINK-AFTER: pred.udiv.continue8:
> +; NO-SINK-AFTER-NEXT: [[TMP22]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE6]] ], [ [[TMP21]], [[PRED_UDIV_IF7]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP23:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP24]] = add <4 x i32> [[VEC_PHI]], [[TMP23]]
> +; NO-SINK-AFTER-NEXT: [[TMP25:%.*]] = select <4 x i1> [[TMP2]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; NO-SINK-AFTER-NEXT: [[TMP26:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52:![0-9]+]], !llvm.loop [[LOOP53:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[TMP27:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP25]])
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP22]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP22]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[BB2:%.*]]
> +; NO-SINK-AFTER: bb1:
> +; NO-SINK-AFTER-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP27]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: ret i32 [[VAR]]
> +; NO-SINK-AFTER: bb2:
> +; NO-SINK-AFTER-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; NO-SINK-AFTER-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; NO-SINK-AFTER-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; NO-SINK-AFTER-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; NO-SINK-AFTER-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54:![0-9]+]], !llvm.loop [[LOOP55:![0-9]+]]
> ;
> bb:
> br label %bb2
>
> bb1: ; preds = %bb2
> - %tmp = phi i32 [ %tmp6, %bb2 ]
> - ret i32 %tmp
> + %var = phi i32 [ %var6, %bb2 ]
> + ret i32 %var
>
> bb2: ; preds = %bb2, %bb
> - %tmp3 = phi i32 [ %tmp8, %bb2 ], [ %y, %bb ]
> - %tmp4 = phi i32 [ %tmp7, %bb2 ], [ 0, %bb ]
> - %tmp5 = phi i32 [ %tmp6, %bb2 ], [ 0, %bb ]
> - %tmp6 = add i32 %tmp5, %tmp4
> - %tmp7 = udiv i32 219220132, %tmp3
> - %tmp8 = add nsw i32 %tmp3, -1
> - %tmp9 = icmp slt i32 %tmp3, 2
> - br i1 %tmp9, label %bb1, label %bb2, !prof !2
> + %var3 = phi i32 [ %var8, %bb2 ], [ %y, %bb ]
> + %var4 = phi i32 [ %var7, %bb2 ], [ 0, %bb ]
> + %var5 = phi i32 [ %var6, %bb2 ], [ 0, %bb ]
> + %var6 = add i32 %var5, %var4
> + %var7 = udiv i32 219220132, %var3
> + %var8 = add nsw i32 %var3, -1
> + %var9 = icmp slt i32 %var3, 2
> + br i1 %var9, label %bb1, label %bb2, !prof !2
> }
>
> define i32 @sink_into_replication_region_multiple(i32 *%x, i32 %y) {
> +;
> ; CHECK-LABEL: @sink_into_replication_region_multiple(
> ; CHECK-NEXT: bb:
> ; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> @@ -780,10 +5826,10 @@ define i32 @sink_into_replication_region_multiple(i32 *%x, i32 %y) {
> ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> -; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE16:%.*]] ]
> -; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[PRED_STORE_CONTINUE16]] ]
> -; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_STORE_CONTINUE16]] ]
> -; CHECK-NEXT: [[VEC_PHI4:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_STORE_CONTINUE16]] ]
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE15:%.*]] ]
> +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP23:%.*]], [[PRED_STORE_CONTINUE15]] ]
> ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> ; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], -1
> ; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -2
> @@ -798,31 +5844,31 @@ define i32 @sink_into_replication_region_multiple(i32 *%x, i32 %y) {
> ; CHECK: pred.udiv.continue:
> ; CHECK-NEXT: [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]
> ; CHECK-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP5]], i32 1
> -; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_UDIV_IF5:%.*]], label [[PRED_UDIV_CONTINUE6:%.*]]
> +; CHECK-NEXT: br i1 [[TMP10]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> ; CHECK: pred.udiv.if4:
> ; CHECK-NEXT: [[TMP11:%.*]] = udiv i32 219220132, [[TMP2]]
> ; CHECK-NEXT: [[TMP12:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP11]], i32 1
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE6]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> ; CHECK: pred.udiv.continue5:
> -; CHECK-NEXT: [[TMP13:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP12]], [[PRED_UDIV_IF5]] ]
> +; CHECK-NEXT: [[TMP13:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP12]], [[PRED_UDIV_IF4]] ]
> ; CHECK-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP5]], i32 2
> -; CHECK-NEXT: br i1 [[TMP14]], label [[PRED_UDIV_IF7:%.*]], label [[PRED_UDIV_CONTINUE8:%.*]]
> +; CHECK-NEXT: br i1 [[TMP14]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> ; CHECK: pred.udiv.if6:
> ; CHECK-NEXT: [[TMP15:%.*]] = udiv i32 219220132, [[TMP3]]
> ; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP13]], i32 [[TMP15]], i32 2
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE8]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> ; CHECK: pred.udiv.continue7:
> -; CHECK-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP13]], [[PRED_UDIV_CONTINUE6]] ], [ [[TMP16]], [[PRED_UDIV_IF7]] ]
> +; CHECK-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP13]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP16]], [[PRED_UDIV_IF6]] ]
> ; CHECK-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP5]], i32 3
> -; CHECK-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF9:%.*]], label [[PRED_UDIV_CONTINUE10:%.*]]
> +; CHECK-NEXT: br i1 [[TMP18]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> ; CHECK: pred.udiv.if8:
> ; CHECK-NEXT: [[TMP19:%.*]] = udiv i32 219220132, [[TMP4]]
> ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP19]], i32 3
> -; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE10]]
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> ; CHECK: pred.udiv.continue9:
> -; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE8]] ], [ [[TMP20]], [[PRED_UDIV_IF9]] ]
> +; CHECK-NEXT: [[TMP21]] = phi <4 x i32> [ [[TMP17]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP20]], [[PRED_UDIV_IF8]] ]
> ; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP21]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> -; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI4]], [[TMP22]]
> +; CHECK-NEXT: [[TMP23]] = add <4 x i32> [[VEC_PHI]], [[TMP22]]
> ; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP5]], i32 0
> ; CHECK-NEXT: br i1 [[TMP24]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> ; CHECK: pred.store.if:
> @@ -832,86 +5878,1102 @@ define i32 @sink_into_replication_region_multiple(i32 *%x, i32 %y) {
> ; CHECK-NEXT: br label [[PRED_STORE_CONTINUE]]
> ; CHECK: pred.store.continue:
> ; CHECK-NEXT: [[TMP27:%.*]] = extractelement <4 x i1> [[TMP5]], i32 1
> -; CHECK-NEXT: br i1 [[TMP27]], label [[PRED_STORE_IF11:%.*]], label [[PRED_STORE_CONTINUE12:%.*]]
> +; CHECK-NEXT: br i1 [[TMP27]], label [[PRED_STORE_IF10:%.*]], label [[PRED_STORE_CONTINUE11:%.*]]
> ; CHECK: pred.store.if10:
> ; CHECK-NEXT: [[TMP28:%.*]] = or i32 [[INDEX]], 1
> ; CHECK-NEXT: [[TMP29:%.*]] = sext i32 [[TMP28]] to i64
> ; CHECK-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP29]]
> ; CHECK-NEXT: store i32 [[TMP2]], i32* [[TMP30]], align 4
> -; CHECK-NEXT: br label [[PRED_STORE_CONTINUE12]]
> +; CHECK-NEXT: br label [[PRED_STORE_CONTINUE11]]
> ; CHECK: pred.store.continue11:
> ; CHECK-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP5]], i32 2
> -; CHECK-NEXT: br i1 [[TMP31]], label [[PRED_STORE_IF13:%.*]], label [[PRED_STORE_CONTINUE14:%.*]]
> +; CHECK-NEXT: br i1 [[TMP31]], label [[PRED_STORE_IF12:%.*]], label [[PRED_STORE_CONTINUE13:%.*]]
> ; CHECK: pred.store.if12:
> ; CHECK-NEXT: [[TMP32:%.*]] = or i32 [[INDEX]], 2
> ; CHECK-NEXT: [[TMP33:%.*]] = sext i32 [[TMP32]] to i64
> ; CHECK-NEXT: [[TMP34:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP33]]
> ; CHECK-NEXT: store i32 [[TMP3]], i32* [[TMP34]], align 4
> -; CHECK-NEXT: br label [[PRED_STORE_CONTINUE14]]
> +; CHECK-NEXT: br label [[PRED_STORE_CONTINUE13]]
> ; CHECK: pred.store.continue13:
> ; CHECK-NEXT: [[TMP35:%.*]] = extractelement <4 x i1> [[TMP5]], i32 3
> -; CHECK-NEXT: br i1 [[TMP35]], label [[PRED_STORE_IF15:%.*]], label [[PRED_STORE_CONTINUE16]]
> +; CHECK-NEXT: br i1 [[TMP35]], label [[PRED_STORE_IF14:%.*]], label [[PRED_STORE_CONTINUE15]]
> ; CHECK: pred.store.if14:
> ; CHECK-NEXT: [[TMP36:%.*]] = or i32 [[INDEX]], 3
> ; CHECK-NEXT: [[TMP37:%.*]] = sext i32 [[TMP36]] to i64
> ; CHECK-NEXT: [[TMP38:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP37]]
> ; CHECK-NEXT: store i32 [[TMP4]], i32* [[TMP38]], align 4
> -; CHECK-NEXT: br label [[PRED_STORE_CONTINUE16]]
> +; CHECK-NEXT: br label [[PRED_STORE_CONTINUE15]]
> ; CHECK: pred.store.continue15:
> ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> ; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
> ; CHECK-NEXT: [[TMP39:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> -; CHECK-NEXT: br i1 [[TMP39]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof !52, [[LOOP49:!llvm.loop !.*]]
> +; CHECK-NEXT: br i1 [[TMP39]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52]], !llvm.loop [[LOOP56:![0-9]+]]
> ; CHECK: middle.block:
> -; CHECK-NEXT: [[TMP40:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI4]]
> +; CHECK-NEXT: [[TMP40:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP23]], <4 x i32> [[VEC_PHI]]
> ; CHECK-NEXT: [[TMP41:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP40]])
> ; CHECK-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> ; CHECK: scalar.ph:
> ; CHECK-NEXT: br label [[BB2:%.*]]
> ; CHECK: bb1:
> -; CHECK-NEXT: [[TMP:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP41]], [[MIDDLE_BLOCK]] ]
> -; CHECK-NEXT: ret i32 [[TMP]]
> +; CHECK-NEXT: [[VAR:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP41]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[VAR]]
> ; CHECK: bb2:
> -; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof !54, [[LOOP50:!llvm.loop !.*]]
> +; CHECK-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof [[PROF54]], !llvm.loop [[LOOP57:![0-9]+]]
> +;
> +; UNROLL-LABEL: @sink_into_replication_region_multiple(
> +; UNROLL-NEXT: bb:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 7
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[N_RND_UP]], -8
> +; UNROLL-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = add i32 [[TMP1]], -1
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE35:%.*]] ]
> +; UNROLL-NEXT: [[VEC_IND3:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP42:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP45:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NEXT: [[VEC_PHI7:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP46:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; UNROLL-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; UNROLL-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX]], -4
> +; UNROLL-NEXT: [[TMP6:%.*]] = add i32 [[OFFSET_IDX]], -5
> +; UNROLL-NEXT: [[TMP7:%.*]] = add i32 [[OFFSET_IDX]], -6
> +; UNROLL-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], -7
> +; UNROLL-NEXT: [[STEP_ADD4:%.*]] = add <4 x i32> [[VEC_IND3]], <i32 4, i32 4, i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP9:%.*]] = icmp ule <4 x i32> [[VEC_IND3]], [[BROADCAST_SPLAT]]
> +; UNROLL-NEXT: [[TMP10:%.*]] = icmp ule <4 x i32> [[STEP_ADD4]], [[BROADCAST_SPLAT]]
> +; UNROLL-NEXT: [[TMP11:%.*]] = extractelement <4 x i1> [[TMP9]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP11]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL: pred.udiv.if:
> +; UNROLL-NEXT: [[TMP12:%.*]] = udiv i32 219220132, [[OFFSET_IDX]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = insertelement <4 x i32> poison, i32 [[TMP12]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL: pred.udiv.continue:
> +; UNROLL-NEXT: [[TMP14:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP13]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NEXT: [[TMP15:%.*]] = extractelement <4 x i1> [[TMP9]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP15]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL: pred.udiv.if8:
> +; UNROLL-NEXT: [[TMP16:%.*]] = udiv i32 219220132, [[TMP2]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP16]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL: pred.udiv.continue9:
> +; UNROLL-NEXT: [[TMP18:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP17]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NEXT: [[TMP19:%.*]] = extractelement <4 x i1> [[TMP9]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP19]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11:%.*]]
> +; UNROLL: pred.udiv.if10:
> +; UNROLL-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP3]]
> +; UNROLL-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP20]], i32 2
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL: pred.udiv.continue11:
> +; UNROLL-NEXT: [[TMP22:%.*]] = phi <4 x i32> [ [[TMP18]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP21]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NEXT: [[TMP23:%.*]] = extractelement <4 x i1> [[TMP9]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP23]], label [[PRED_UDIV_IF12:%.*]], label [[PRED_UDIV_CONTINUE13:%.*]]
> +; UNROLL: pred.udiv.if12:
> +; UNROLL-NEXT: [[TMP24:%.*]] = udiv i32 219220132, [[TMP4]]
> +; UNROLL-NEXT: [[TMP25:%.*]] = insertelement <4 x i32> [[TMP22]], i32 [[TMP24]], i32 3
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE13]]
> +; UNROLL: pred.udiv.continue13:
> +; UNROLL-NEXT: [[TMP26:%.*]] = phi <4 x i32> [ [[TMP22]], [[PRED_UDIV_CONTINUE11]] ], [ [[TMP25]], [[PRED_UDIV_IF12]] ]
> +; UNROLL-NEXT: [[TMP27:%.*]] = extractelement <4 x i1> [[TMP10]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP27]], label [[PRED_UDIV_IF14:%.*]], label [[PRED_UDIV_CONTINUE15:%.*]]
> +; UNROLL: pred.udiv.if14:
> +; UNROLL-NEXT: [[TMP28:%.*]] = udiv i32 219220132, [[TMP5]]
> +; UNROLL-NEXT: [[TMP29:%.*]] = insertelement <4 x i32> poison, i32 [[TMP28]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE15]]
> +; UNROLL: pred.udiv.continue15:
> +; UNROLL-NEXT: [[TMP30:%.*]] = phi <4 x i32> [ poison, [[PRED_UDIV_CONTINUE13]] ], [ [[TMP29]], [[PRED_UDIV_IF14]] ]
> +; UNROLL-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP10]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP31]], label [[PRED_UDIV_IF16:%.*]], label [[PRED_UDIV_CONTINUE17:%.*]]
> +; UNROLL: pred.udiv.if16:
> +; UNROLL-NEXT: [[TMP32:%.*]] = udiv i32 219220132, [[TMP6]]
> +; UNROLL-NEXT: [[TMP33:%.*]] = insertelement <4 x i32> [[TMP30]], i32 [[TMP32]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE17]]
> +; UNROLL: pred.udiv.continue17:
> +; UNROLL-NEXT: [[TMP34:%.*]] = phi <4 x i32> [ [[TMP30]], [[PRED_UDIV_CONTINUE15]] ], [ [[TMP33]], [[PRED_UDIV_IF16]] ]
> +; UNROLL-NEXT: [[TMP35:%.*]] = extractelement <4 x i1> [[TMP10]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP35]], label [[PRED_UDIV_IF18:%.*]], label [[PRED_UDIV_CONTINUE19:%.*]]
> +; UNROLL: pred.udiv.if18:
> +; UNROLL-NEXT: [[TMP36:%.*]] = udiv i32 219220132, [[TMP7]]
> +; UNROLL-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP34]], i32 [[TMP36]], i32 2
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL: pred.udiv.continue19:
> +; UNROLL-NEXT: [[TMP38:%.*]] = phi <4 x i32> [ [[TMP34]], [[PRED_UDIV_CONTINUE17]] ], [ [[TMP37]], [[PRED_UDIV_IF18]] ]
> +; UNROLL-NEXT: [[TMP39:%.*]] = extractelement <4 x i1> [[TMP10]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP39]], label [[PRED_UDIV_IF20:%.*]], label [[PRED_UDIV_CONTINUE21:%.*]]
> +; UNROLL: pred.udiv.if20:
> +; UNROLL-NEXT: [[TMP40:%.*]] = udiv i32 219220132, [[TMP8]]
> +; UNROLL-NEXT: [[TMP41:%.*]] = insertelement <4 x i32> [[TMP38]], i32 [[TMP40]], i32 3
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE21]]
> +; UNROLL: pred.udiv.continue21:
> +; UNROLL-NEXT: [[TMP42]] = phi <4 x i32> [ [[TMP38]], [[PRED_UDIV_CONTINUE19]] ], [ [[TMP41]], [[PRED_UDIV_IF20]] ]
> +; UNROLL-NEXT: [[TMP43:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP26]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[TMP26]], <4 x i32> [[TMP42]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NEXT: [[TMP45]] = add <4 x i32> [[VEC_PHI]], [[TMP43]]
> +; UNROLL-NEXT: [[TMP46]] = add <4 x i32> [[VEC_PHI7]], [[TMP44]]
> +; UNROLL-NEXT: [[TMP47:%.*]] = extractelement <4 x i1> [[TMP9]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP47]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; UNROLL: pred.store.if:
> +; UNROLL-NEXT: [[TMP48:%.*]] = sext i32 [[INDEX]] to i64
> +; UNROLL-NEXT: [[TMP49:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i64 [[TMP48]]
> +; UNROLL-NEXT: store i32 [[OFFSET_IDX]], i32* [[TMP49]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; UNROLL: pred.store.continue:
> +; UNROLL-NEXT: [[TMP50:%.*]] = extractelement <4 x i1> [[TMP9]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP50]], label [[PRED_STORE_IF22:%.*]], label [[PRED_STORE_CONTINUE23:%.*]]
> +; UNROLL: pred.store.if22:
> +; UNROLL-NEXT: [[TMP51:%.*]] = or i32 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP52:%.*]] = sext i32 [[TMP51]] to i64
> +; UNROLL-NEXT: [[TMP53:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP52]]
> +; UNROLL-NEXT: store i32 [[TMP2]], i32* [[TMP53]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE23]]
> +; UNROLL: pred.store.continue23:
> +; UNROLL-NEXT: [[TMP54:%.*]] = extractelement <4 x i1> [[TMP9]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP54]], label [[PRED_STORE_IF24:%.*]], label [[PRED_STORE_CONTINUE25:%.*]]
> +; UNROLL: pred.store.if24:
> +; UNROLL-NEXT: [[TMP55:%.*]] = or i32 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP56:%.*]] = sext i32 [[TMP55]] to i64
> +; UNROLL-NEXT: [[TMP57:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP56]]
> +; UNROLL-NEXT: store i32 [[TMP3]], i32* [[TMP57]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE25]]
> +; UNROLL: pred.store.continue25:
> +; UNROLL-NEXT: [[TMP58:%.*]] = extractelement <4 x i1> [[TMP9]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP58]], label [[PRED_STORE_IF26:%.*]], label [[PRED_STORE_CONTINUE27:%.*]]
> +; UNROLL: pred.store.if26:
> +; UNROLL-NEXT: [[TMP59:%.*]] = or i32 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP60:%.*]] = sext i32 [[TMP59]] to i64
> +; UNROLL-NEXT: [[TMP61:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP60]]
> +; UNROLL-NEXT: store i32 [[TMP4]], i32* [[TMP61]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE27]]
> +; UNROLL: pred.store.continue27:
> +; UNROLL-NEXT: [[TMP62:%.*]] = extractelement <4 x i1> [[TMP10]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP62]], label [[PRED_STORE_IF28:%.*]], label [[PRED_STORE_CONTINUE29:%.*]]
> +; UNROLL: pred.store.if28:
> +; UNROLL-NEXT: [[TMP63:%.*]] = or i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP64:%.*]] = sext i32 [[TMP63]] to i64
> +; UNROLL-NEXT: [[TMP65:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP64]]
> +; UNROLL-NEXT: store i32 [[TMP5]], i32* [[TMP65]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE29]]
> +; UNROLL: pred.store.continue29:
> +; UNROLL-NEXT: [[TMP66:%.*]] = extractelement <4 x i1> [[TMP10]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP66]], label [[PRED_STORE_IF30:%.*]], label [[PRED_STORE_CONTINUE31:%.*]]
> +; UNROLL: pred.store.if30:
> +; UNROLL-NEXT: [[TMP67:%.*]] = or i32 [[INDEX]], 5
> +; UNROLL-NEXT: [[TMP68:%.*]] = sext i32 [[TMP67]] to i64
> +; UNROLL-NEXT: [[TMP69:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP68]]
> +; UNROLL-NEXT: store i32 [[TMP6]], i32* [[TMP69]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE31]]
> +; UNROLL: pred.store.continue31:
> +; UNROLL-NEXT: [[TMP70:%.*]] = extractelement <4 x i1> [[TMP10]], i32 2
> +; UNROLL-NEXT: br i1 [[TMP70]], label [[PRED_STORE_IF32:%.*]], label [[PRED_STORE_CONTINUE33:%.*]]
> +; UNROLL: pred.store.if32:
> +; UNROLL-NEXT: [[TMP71:%.*]] = or i32 [[INDEX]], 6
> +; UNROLL-NEXT: [[TMP72:%.*]] = sext i32 [[TMP71]] to i64
> +; UNROLL-NEXT: [[TMP73:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP72]]
> +; UNROLL-NEXT: store i32 [[TMP7]], i32* [[TMP73]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE33]]
> +; UNROLL: pred.store.continue33:
> +; UNROLL-NEXT: [[TMP74:%.*]] = extractelement <4 x i1> [[TMP10]], i32 3
> +; UNROLL-NEXT: br i1 [[TMP74]], label [[PRED_STORE_IF34:%.*]], label [[PRED_STORE_CONTINUE35]]
> +; UNROLL: pred.store.if34:
> +; UNROLL-NEXT: [[TMP75:%.*]] = or i32 [[INDEX]], 7
> +; UNROLL-NEXT: [[TMP76:%.*]] = sext i32 [[TMP75]] to i64
> +; UNROLL-NEXT: [[TMP77:%.*]] = getelementptr inbounds i32, i32* [[X]], i64 [[TMP76]]
> +; UNROLL-NEXT: store i32 [[TMP8]], i32* [[TMP77]], align 4
> +; UNROLL-NEXT: br label [[PRED_STORE_CONTINUE35]]
> +; UNROLL: pred.store.continue35:
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
> +; UNROLL-NEXT: [[VEC_IND_NEXT6]] = add <4 x i32> [[VEC_IND3]], <i32 8, i32 8, i32 8, i32 8>
> +; UNROLL-NEXT: [[TMP78:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP78]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52]], !llvm.loop [[LOOP56:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[TMP79:%.*]] = select <4 x i1> [[TMP10]], <4 x i32> [[TMP46]], <4 x i32> [[VEC_PHI7]]
> +; UNROLL-NEXT: [[TMP80:%.*]] = select <4 x i1> [[TMP9]], <4 x i32> [[TMP45]], <4 x i32> [[VEC_PHI]]
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP79]], [[TMP80]]
> +; UNROLL-NEXT: [[TMP81:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[BB2:%.*]]
> +; UNROLL: bb1:
> +; UNROLL-NEXT: [[VAR:%.*]] = phi i32 [ undef, [[BB2]] ], [ [[TMP81]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[VAR]]
> +; UNROLL: bb2:
> +; UNROLL-NEXT: br i1 undef, label [[BB1]], label [[BB2]], !prof [[PROF54]], !llvm.loop [[LOOP57:![0-9]+]]
> +;
> +; UNROLL-NO-IC-LABEL: @sink_into_replication_region_multiple(
> +; UNROLL-NO-IC-NEXT: bb:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NO-IC-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 7
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 8
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE35:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND3:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP43:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP46:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI7:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP47:%.*]], [[PRED_STORE_CONTINUE35]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i32 [[OFFSET_IDX]], -4
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i32 [[OFFSET_IDX]], -5
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add i32 [[OFFSET_IDX]], -6
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = add i32 [[OFFSET_IDX]], -7
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD4:%.*]] = add <4 x i32> [[VEC_IND3]], <i32 4, i32 4, i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = icmp ule <4 x i32> [[VEC_IND3]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp ule <4 x i32> [[STEP_ADD4]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = extractelement <4 x i1> [[TMP10]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP12]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if:
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = udiv i32 219220132, [[TMP2]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = insertelement <4 x i32> poison, i32 [[TMP13]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL-NO-IC: pred.udiv.continue:
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP14]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP10]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP16]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if8:
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = udiv i32 219220132, [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP15]], i32 [[TMP17]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL-NO-IC: pred.udiv.continue9:
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = phi <4 x i32> [ [[TMP15]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP18]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = extractelement <4 x i1> [[TMP10]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP20]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if10:
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = udiv i32 219220132, [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP21]], i32 2
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL-NO-IC: pred.udiv.continue11:
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP22]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = extractelement <4 x i1> [[TMP10]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP24]], label [[PRED_UDIV_IF12:%.*]], label [[PRED_UDIV_CONTINUE13:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if12:
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = udiv i32 219220132, [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP23]], i32 [[TMP25]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE13]]
> +; UNROLL-NO-IC: pred.udiv.continue13:
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = phi <4 x i32> [ [[TMP23]], [[PRED_UDIV_CONTINUE11]] ], [ [[TMP26]], [[PRED_UDIV_IF12]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = extractelement <4 x i1> [[TMP11]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP28]], label [[PRED_UDIV_IF14:%.*]], label [[PRED_UDIV_CONTINUE15:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if14:
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = udiv i32 219220132, [[TMP6]]
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = insertelement <4 x i32> poison, i32 [[TMP29]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE15]]
> +; UNROLL-NO-IC: pred.udiv.continue15:
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = phi <4 x i32> [ poison, [[PRED_UDIV_CONTINUE13]] ], [ [[TMP30]], [[PRED_UDIV_IF14]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = extractelement <4 x i1> [[TMP11]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP32]], label [[PRED_UDIV_IF16:%.*]], label [[PRED_UDIV_CONTINUE17:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if16:
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = udiv i32 219220132, [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = insertelement <4 x i32> [[TMP31]], i32 [[TMP33]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE17]]
> +; UNROLL-NO-IC: pred.udiv.continue17:
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = phi <4 x i32> [ [[TMP31]], [[PRED_UDIV_CONTINUE15]] ], [ [[TMP34]], [[PRED_UDIV_IF16]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = extractelement <4 x i1> [[TMP11]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP36]], label [[PRED_UDIV_IF18:%.*]], label [[PRED_UDIV_CONTINUE19:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if18:
> +; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = udiv i32 219220132, [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = insertelement <4 x i32> [[TMP35]], i32 [[TMP37]], i32 2
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE19]]
> +; UNROLL-NO-IC: pred.udiv.continue19:
> +; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = phi <4 x i32> [ [[TMP35]], [[PRED_UDIV_CONTINUE17]] ], [ [[TMP38]], [[PRED_UDIV_IF18]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = extractelement <4 x i1> [[TMP11]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP40]], label [[PRED_UDIV_IF20:%.*]], label [[PRED_UDIV_CONTINUE21:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if20:
> +; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = udiv i32 219220132, [[TMP9]]
> +; UNROLL-NO-IC-NEXT: [[TMP42:%.*]] = insertelement <4 x i32> [[TMP39]], i32 [[TMP41]], i32 3
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE21]]
> +; UNROLL-NO-IC: pred.udiv.continue21:
> +; UNROLL-NO-IC-NEXT: [[TMP43]] = phi <4 x i32> [ [[TMP39]], [[PRED_UDIV_CONTINUE19]] ], [ [[TMP42]], [[PRED_UDIV_IF20]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP27]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP45:%.*]] = shufflevector <4 x i32> [[TMP27]], <4 x i32> [[TMP43]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP46]] = add <4 x i32> [[VEC_PHI]], [[TMP44]]
> +; UNROLL-NO-IC-NEXT: [[TMP47]] = add <4 x i32> [[VEC_PHI7]], [[TMP45]]
> +; UNROLL-NO-IC-NEXT: [[TMP48:%.*]] = extractelement <4 x i1> [[TMP10]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP48]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; UNROLL-NO-IC: pred.store.if:
> +; UNROLL-NO-IC-NEXT: [[TMP49:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP50:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[TMP49]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP2]], i32* [[TMP50]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; UNROLL-NO-IC: pred.store.continue:
> +; UNROLL-NO-IC-NEXT: [[TMP51:%.*]] = extractelement <4 x i1> [[TMP10]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP51]], label [[PRED_STORE_IF22:%.*]], label [[PRED_STORE_CONTINUE23:%.*]]
> +; UNROLL-NO-IC: pred.store.if22:
> +; UNROLL-NO-IC-NEXT: [[TMP52:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP53:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP52]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP3]], i32* [[TMP53]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE23]]
> +; UNROLL-NO-IC: pred.store.continue23:
> +; UNROLL-NO-IC-NEXT: [[TMP54:%.*]] = extractelement <4 x i1> [[TMP10]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP54]], label [[PRED_STORE_IF24:%.*]], label [[PRED_STORE_CONTINUE25:%.*]]
> +; UNROLL-NO-IC: pred.store.if24:
> +; UNROLL-NO-IC-NEXT: [[TMP55:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP56:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP55]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP4]], i32* [[TMP56]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE25]]
> +; UNROLL-NO-IC: pred.store.continue25:
> +; UNROLL-NO-IC-NEXT: [[TMP57:%.*]] = extractelement <4 x i1> [[TMP10]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP57]], label [[PRED_STORE_IF26:%.*]], label [[PRED_STORE_CONTINUE27:%.*]]
> +; UNROLL-NO-IC: pred.store.if26:
> +; UNROLL-NO-IC-NEXT: [[TMP58:%.*]] = add i32 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP59:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP58]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP5]], i32* [[TMP59]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE27]]
> +; UNROLL-NO-IC: pred.store.continue27:
> +; UNROLL-NO-IC-NEXT: [[TMP60:%.*]] = extractelement <4 x i1> [[TMP11]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP60]], label [[PRED_STORE_IF28:%.*]], label [[PRED_STORE_CONTINUE29:%.*]]
> +; UNROLL-NO-IC: pred.store.if28:
> +; UNROLL-NO-IC-NEXT: [[TMP61:%.*]] = add i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP62:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP61]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP6]], i32* [[TMP62]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE29]]
> +; UNROLL-NO-IC: pred.store.continue29:
> +; UNROLL-NO-IC-NEXT: [[TMP63:%.*]] = extractelement <4 x i1> [[TMP11]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP63]], label [[PRED_STORE_IF30:%.*]], label [[PRED_STORE_CONTINUE31:%.*]]
> +; UNROLL-NO-IC: pred.store.if30:
> +; UNROLL-NO-IC-NEXT: [[TMP64:%.*]] = add i32 [[INDEX]], 5
> +; UNROLL-NO-IC-NEXT: [[TMP65:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP64]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP7]], i32* [[TMP65]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE31]]
> +; UNROLL-NO-IC: pred.store.continue31:
> +; UNROLL-NO-IC-NEXT: [[TMP66:%.*]] = extractelement <4 x i1> [[TMP11]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP66]], label [[PRED_STORE_IF32:%.*]], label [[PRED_STORE_CONTINUE33:%.*]]
> +; UNROLL-NO-IC: pred.store.if32:
> +; UNROLL-NO-IC-NEXT: [[TMP67:%.*]] = add i32 [[INDEX]], 6
> +; UNROLL-NO-IC-NEXT: [[TMP68:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP67]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP8]], i32* [[TMP68]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE33]]
> +; UNROLL-NO-IC: pred.store.continue33:
> +; UNROLL-NO-IC-NEXT: [[TMP69:%.*]] = extractelement <4 x i1> [[TMP11]], i32 3
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP69]], label [[PRED_STORE_IF34:%.*]], label [[PRED_STORE_CONTINUE35]]
> +; UNROLL-NO-IC: pred.store.if34:
> +; UNROLL-NO-IC-NEXT: [[TMP70:%.*]] = add i32 [[INDEX]], 7
> +; UNROLL-NO-IC-NEXT: [[TMP71:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP70]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP9]], i32* [[TMP71]], align 4
> +; UNROLL-NO-IC-NEXT: br label [[PRED_STORE_CONTINUE35]]
> +; UNROLL-NO-IC: pred.store.continue35:
> +; UNROLL-NO-IC-NEXT: [[TMP72:%.*]] = select <4 x i1> [[TMP10]], <4 x i32> [[TMP46]], <4 x i32> [[VEC_PHI]]
> +; UNROLL-NO-IC-NEXT: [[TMP73:%.*]] = select <4 x i1> [[TMP11]], <4 x i32> [[TMP47]], <4 x i32> [[VEC_PHI7]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT6]] = add <4 x i32> [[STEP_ADD4]], <i32 4, i32 4, i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP74:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP74]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52]], !llvm.loop [[LOOP56:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP73]], [[TMP72]]
> +; UNROLL-NO-IC-NEXT: [[TMP75:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP43]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP43]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[BB]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP75]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[BB2:%.*]]
> +; UNROLL-NO-IC: bb1:
> +; UNROLL-NO-IC-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP75]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[VAR]]
> +; UNROLL-NO-IC: bb2:
> +; UNROLL-NO-IC-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[G:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[IV]]
> +; UNROLL-NO-IC-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; UNROLL-NO-IC-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; UNROLL-NO-IC-NEXT: store i32 [[VAR3]], i32* [[G]], align 4
> +; UNROLL-NO-IC-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; UNROLL-NO-IC-NEXT: [[IV_NEXT]] = add nsw i32 [[IV]], 1
> +; UNROLL-NO-IC-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; UNROLL-NO-IC-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54]], !llvm.loop [[LOOP57:![0-9]+]]
> +;
> +; UNROLL-NO-VF-LABEL: @sink_into_replication_region_multiple(
> +; UNROLL-NO-VF-NEXT: bb:
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; UNROLL-NO-VF-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 1
> +; UNROLL-NO-VF-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 2
> +; UNROLL-NO-VF-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; UNROLL-NO-VF-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE9:%.*]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[PRED_STORE_CONTINUE9]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[PRED_STORE_CONTINUE9]] ]
> +; UNROLL-NO-VF-NEXT: [[VEC_PHI5:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[PRED_STORE_CONTINUE9]] ]
> +; UNROLL-NO-VF-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION2:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; UNROLL-NO-VF-NEXT: [[INDUCTION3:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION4:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = icmp ule i32 [[INDUCTION3]], [[TRIP_COUNT_MINUS_1]]
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = icmp ule i32 [[INDUCTION4]], [[TRIP_COUNT_MINUS_1]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP2]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL-NO-VF: pred.udiv.if:
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = udiv i32 219220132, [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL-NO-VF: pred.udiv.continue:
> +; UNROLL-NO-VF-NEXT: [[TMP5:%.*]] = phi i32 [ poison, [[VECTOR_BODY]] ], [ [[TMP4]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP3]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; UNROLL-NO-VF: pred.udiv.if6:
> +; UNROLL-NO-VF-NEXT: [[TMP6:%.*]] = udiv i32 219220132, [[INDUCTION2]]
> +; UNROLL-NO-VF-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; UNROLL-NO-VF: pred.udiv.continue7:
> +; UNROLL-NO-VF-NEXT: [[TMP7]] = phi i32 [ poison, [[PRED_UDIV_CONTINUE]] ], [ [[TMP6]], [[PRED_UDIV_IF6]] ]
> +; UNROLL-NO-VF-NEXT: [[TMP8]] = add i32 [[VEC_PHI]], [[VECTOR_RECUR]]
> +; UNROLL-NO-VF-NEXT: [[TMP9]] = add i32 [[VEC_PHI5]], [[TMP5]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP2]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; UNROLL-NO-VF: pred.store.if:
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[INDUCTION3]]
> +; UNROLL-NO-VF-NEXT: store i32 [[INDUCTION]], i32* [[TMP10]], align 4
> +; UNROLL-NO-VF-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; UNROLL-NO-VF: pred.store.continue:
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP3]], label [[PRED_STORE_IF8:%.*]], label [[PRED_STORE_CONTINUE9]]
> +; UNROLL-NO-VF: pred.store.if8:
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[INDUCTION4]]
> +; UNROLL-NO-VF-NEXT: store i32 [[INDUCTION2]], i32* [[TMP11]], align 4
> +; UNROLL-NO-VF-NEXT: br label [[PRED_STORE_CONTINUE9]]
> +; UNROLL-NO-VF: pred.store.continue9:
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = select i1 [[TMP2]], i32 [[TMP8]], i32 [[VEC_PHI]]
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = select i1 [[TMP3]], i32 [[TMP9]], i32 [[VEC_PHI5]]
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP14:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF51]], !llvm.loop [[LOOP55:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[BIN_RDX:%.*]] = add i32 [[TMP13]], [[TMP12]]
> +; UNROLL-NO-VF-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[BB]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: br label [[BB2:%.*]]
> +; UNROLL-NO-VF: bb1:
> +; UNROLL-NO-VF-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[BIN_RDX]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: ret i32 [[VAR]]
> +; UNROLL-NO-VF: bb2:
> +; UNROLL-NO-VF-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-VF-NEXT: [[G:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[IV]]
> +; UNROLL-NO-VF-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; UNROLL-NO-VF-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; UNROLL-NO-VF-NEXT: store i32 [[VAR3]], i32* [[G]], align 4
> +; UNROLL-NO-VF-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; UNROLL-NO-VF-NEXT: [[IV_NEXT]] = add nsw i32 [[IV]], 1
> +; UNROLL-NO-VF-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; UNROLL-NO-VF-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF53]], !llvm.loop [[LOOP56:![0-9]+]]
> +;
> +; SINK-AFTER-LABEL: @sink_into_replication_region_multiple(
> +; SINK-AFTER-NEXT: bb:
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; SINK-AFTER-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
> +; SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 4
> +; SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; SINK-AFTER-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; SINK-AFTER-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; SINK-AFTER-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; SINK-AFTER-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE15:%.*]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP24:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; SINK-AFTER-NEXT: [[TMP6:%.*]] = icmp ule <4 x i32> [[VEC_IND2]], [[BROADCAST_SPLAT]]
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = extractelement <4 x i1> [[TMP6]], i32 0
> +; SINK-AFTER-NEXT: br i1 [[TMP7]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; SINK-AFTER: pred.udiv.if:
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = udiv i32 219220132, [[TMP2]]
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = insertelement <4 x i32> poison, i32 [[TMP8]], i32 0
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; SINK-AFTER: pred.udiv.continue:
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP9]], [[PRED_UDIV_IF]] ]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = extractelement <4 x i1> [[TMP6]], i32 1
> +; SINK-AFTER-NEXT: br i1 [[TMP11]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; SINK-AFTER: pred.udiv.if4:
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = udiv i32 219220132, [[TMP3]]
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = insertelement <4 x i32> [[TMP10]], i32 [[TMP12]], i32 1
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; SINK-AFTER: pred.udiv.continue5:
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = phi <4 x i32> [ [[TMP10]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP13]], [[PRED_UDIV_IF4]] ]
> +; SINK-AFTER-NEXT: [[TMP15:%.*]] = extractelement <4 x i1> [[TMP6]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[TMP15]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; SINK-AFTER: pred.udiv.if6:
> +; SINK-AFTER-NEXT: [[TMP16:%.*]] = udiv i32 219220132, [[TMP4]]
> +; SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP16]], i32 2
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; SINK-AFTER: pred.udiv.continue7:
> +; SINK-AFTER-NEXT: [[TMP18:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP17]], [[PRED_UDIV_IF6]] ]
> +; SINK-AFTER-NEXT: [[TMP19:%.*]] = extractelement <4 x i1> [[TMP6]], i32 3
> +; SINK-AFTER-NEXT: br i1 [[TMP19]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; SINK-AFTER: pred.udiv.if8:
> +; SINK-AFTER-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP5]]
> +; SINK-AFTER-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP20]], i32 3
> +; SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; SINK-AFTER: pred.udiv.continue9:
> +; SINK-AFTER-NEXT: [[TMP22]] = phi <4 x i32> [ [[TMP18]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP21]], [[PRED_UDIV_IF8]] ]
> +; SINK-AFTER-NEXT: [[TMP23:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP24]] = add <4 x i32> [[VEC_PHI]], [[TMP23]]
> +; SINK-AFTER-NEXT: [[TMP25:%.*]] = extractelement <4 x i1> [[TMP6]], i32 0
> +; SINK-AFTER-NEXT: br i1 [[TMP25]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; SINK-AFTER: pred.store.if:
> +; SINK-AFTER-NEXT: [[TMP26:%.*]] = add i32 [[INDEX]], 0
> +; SINK-AFTER-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[TMP26]]
> +; SINK-AFTER-NEXT: store i32 [[TMP2]], i32* [[TMP27]], align 4
> +; SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; SINK-AFTER: pred.store.continue:
> +; SINK-AFTER-NEXT: [[TMP28:%.*]] = extractelement <4 x i1> [[TMP6]], i32 1
> +; SINK-AFTER-NEXT: br i1 [[TMP28]], label [[PRED_STORE_IF10:%.*]], label [[PRED_STORE_CONTINUE11:%.*]]
> +; SINK-AFTER: pred.store.if10:
> +; SINK-AFTER-NEXT: [[TMP29:%.*]] = add i32 [[INDEX]], 1
> +; SINK-AFTER-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP29]]
> +; SINK-AFTER-NEXT: store i32 [[TMP3]], i32* [[TMP30]], align 4
> +; SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE11]]
> +; SINK-AFTER: pred.store.continue11:
> +; SINK-AFTER-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP6]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[TMP31]], label [[PRED_STORE_IF12:%.*]], label [[PRED_STORE_CONTINUE13:%.*]]
> +; SINK-AFTER: pred.store.if12:
> +; SINK-AFTER-NEXT: [[TMP32:%.*]] = add i32 [[INDEX]], 2
> +; SINK-AFTER-NEXT: [[TMP33:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP32]]
> +; SINK-AFTER-NEXT: store i32 [[TMP4]], i32* [[TMP33]], align 4
> +; SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE13]]
> +; SINK-AFTER: pred.store.continue13:
> +; SINK-AFTER-NEXT: [[TMP34:%.*]] = extractelement <4 x i1> [[TMP6]], i32 3
> +; SINK-AFTER-NEXT: br i1 [[TMP34]], label [[PRED_STORE_IF14:%.*]], label [[PRED_STORE_CONTINUE15]]
> +; SINK-AFTER: pred.store.if14:
> +; SINK-AFTER-NEXT: [[TMP35:%.*]] = add i32 [[INDEX]], 3
> +; SINK-AFTER-NEXT: [[TMP36:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP35]]
> +; SINK-AFTER-NEXT: store i32 [[TMP5]], i32* [[TMP36]], align 4
> +; SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE15]]
> +; SINK-AFTER: pred.store.continue15:
> +; SINK-AFTER-NEXT: [[TMP37:%.*]] = select <4 x i1> [[TMP6]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
> +; SINK-AFTER-NEXT: [[TMP38:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; SINK-AFTER-NEXT: br i1 [[TMP38]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52]], !llvm.loop [[LOOP56:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[TMP39:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP37]])
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP22]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP22]], i32 2
> +; SINK-AFTER-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[BB]] ]
> +; SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP39]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: br label [[BB2:%.*]]
> +; SINK-AFTER: bb1:
> +; SINK-AFTER-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP39]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: ret i32 [[VAR]]
> +; SINK-AFTER: bb2:
> +; SINK-AFTER-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; SINK-AFTER-NEXT: [[G:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[IV]]
> +; SINK-AFTER-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; SINK-AFTER-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; SINK-AFTER-NEXT: store i32 [[VAR3]], i32* [[G]], align 4
> +; SINK-AFTER-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; SINK-AFTER-NEXT: [[IV_NEXT]] = add nsw i32 [[IV]], 1
> +; SINK-AFTER-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; SINK-AFTER-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54]], !llvm.loop [[LOOP57:![0-9]+]]
> +;
> +; NO-SINK-AFTER-LABEL: @sink_into_replication_region_multiple(
> +; NO-SINK-AFTER-NEXT: bb:
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i32 [[Y:%.*]], 1
> +; NO-SINK-AFTER-NEXT: [[SMIN:%.*]] = call i32 @llvm.smin.i32(i32 [[Y]], i32 1)
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = sub i32 [[TMP0]], [[SMIN]]
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: [[N_RND_UP:%.*]] = add i32 [[TMP1]], 3
> +; NO-SINK-AFTER-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N_RND_UP]], 4
> +; NO-SINK-AFTER-NEXT: [[N_VEC:%.*]] = sub i32 [[N_RND_UP]], [[N_MOD_VF]]
> +; NO-SINK-AFTER-NEXT: [[IND_END:%.*]] = sub i32 [[Y]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: [[TRIP_COUNT_MINUS_1:%.*]] = sub i32 [[TMP1]], 1
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TRIP_COUNT_MINUS_1]], i32 0
> +; NO-SINK-AFTER-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; NO-SINK-AFTER-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; NO-SINK-AFTER-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 -1, i32 -2, i32 -3>
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE15:%.*]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP22:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP24:%.*]], [[PRED_STORE_CONTINUE15]] ]
> +; NO-SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = sub i32 [[Y]], [[INDEX]]
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], -1
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = add i32 [[OFFSET_IDX]], -3
> +; NO-SINK-AFTER-NEXT: [[TMP6:%.*]] = icmp ule <4 x i32> [[VEC_IND2]], [[BROADCAST_SPLAT]]
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = extractelement <4 x i1> [[TMP6]], i32 0
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP7]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if:
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = udiv i32 219220132, [[TMP2]]
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = insertelement <4 x i32> poison, i32 [[TMP8]], i32 0
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; NO-SINK-AFTER: pred.udiv.continue:
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP9]], [[PRED_UDIV_IF]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = extractelement <4 x i1> [[TMP6]], i32 1
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP11]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if4:
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = udiv i32 219220132, [[TMP3]]
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = insertelement <4 x i32> [[TMP10]], i32 [[TMP12]], i32 1
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; NO-SINK-AFTER: pred.udiv.continue5:
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = phi <4 x i32> [ [[TMP10]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP13]], [[PRED_UDIV_IF4]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = extractelement <4 x i1> [[TMP6]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP15]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if6:
> +; NO-SINK-AFTER-NEXT: [[TMP16:%.*]] = udiv i32 219220132, [[TMP4]]
> +; NO-SINK-AFTER-NEXT: [[TMP17:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP16]], i32 2
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; NO-SINK-AFTER: pred.udiv.continue7:
> +; NO-SINK-AFTER-NEXT: [[TMP18:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP17]], [[PRED_UDIV_IF6]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP19:%.*]] = extractelement <4 x i1> [[TMP6]], i32 3
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP19]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; NO-SINK-AFTER: pred.udiv.if8:
> +; NO-SINK-AFTER-NEXT: [[TMP20:%.*]] = udiv i32 219220132, [[TMP5]]
> +; NO-SINK-AFTER-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP18]], i32 [[TMP20]], i32 3
> +; NO-SINK-AFTER-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; NO-SINK-AFTER: pred.udiv.continue9:
> +; NO-SINK-AFTER-NEXT: [[TMP22]] = phi <4 x i32> [ [[TMP18]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP21]], [[PRED_UDIV_IF8]] ]
> +; NO-SINK-AFTER-NEXT: [[TMP23:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP22]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP24]] = add <4 x i32> [[VEC_PHI]], [[TMP23]]
> +; NO-SINK-AFTER-NEXT: [[TMP25:%.*]] = extractelement <4 x i1> [[TMP6]], i32 0
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP25]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; NO-SINK-AFTER: pred.store.if:
> +; NO-SINK-AFTER-NEXT: [[TMP26:%.*]] = add i32 [[INDEX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[TMP26]]
> +; NO-SINK-AFTER-NEXT: store i32 [[TMP2]], i32* [[TMP27]], align 4
> +; NO-SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; NO-SINK-AFTER: pred.store.continue:
> +; NO-SINK-AFTER-NEXT: [[TMP28:%.*]] = extractelement <4 x i1> [[TMP6]], i32 1
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP28]], label [[PRED_STORE_IF10:%.*]], label [[PRED_STORE_CONTINUE11:%.*]]
> +; NO-SINK-AFTER: pred.store.if10:
> +; NO-SINK-AFTER-NEXT: [[TMP29:%.*]] = add i32 [[INDEX]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP29]]
> +; NO-SINK-AFTER-NEXT: store i32 [[TMP3]], i32* [[TMP30]], align 4
> +; NO-SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE11]]
> +; NO-SINK-AFTER: pred.store.continue11:
> +; NO-SINK-AFTER-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP6]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP31]], label [[PRED_STORE_IF12:%.*]], label [[PRED_STORE_CONTINUE13:%.*]]
> +; NO-SINK-AFTER: pred.store.if12:
> +; NO-SINK-AFTER-NEXT: [[TMP32:%.*]] = add i32 [[INDEX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP33:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP32]]
> +; NO-SINK-AFTER-NEXT: store i32 [[TMP4]], i32* [[TMP33]], align 4
> +; NO-SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE13]]
> +; NO-SINK-AFTER: pred.store.continue13:
> +; NO-SINK-AFTER-NEXT: [[TMP34:%.*]] = extractelement <4 x i1> [[TMP6]], i32 3
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP34]], label [[PRED_STORE_IF14:%.*]], label [[PRED_STORE_CONTINUE15]]
> +; NO-SINK-AFTER: pred.store.if14:
> +; NO-SINK-AFTER-NEXT: [[TMP35:%.*]] = add i32 [[INDEX]], 3
> +; NO-SINK-AFTER-NEXT: [[TMP36:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[TMP35]]
> +; NO-SINK-AFTER-NEXT: store i32 [[TMP5]], i32* [[TMP36]], align 4
> +; NO-SINK-AFTER-NEXT: br label [[PRED_STORE_CONTINUE15]]
> +; NO-SINK-AFTER: pred.store.continue15:
> +; NO-SINK-AFTER-NEXT: [[TMP37:%.*]] = select <4 x i1> [[TMP6]], <4 x i32> [[TMP24]], <4 x i32> [[VEC_PHI]]
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 -4, i32 -4, i32 -4, i32 -4>
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
> +; NO-SINK-AFTER-NEXT: [[TMP38:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP38]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !prof [[PROF52]], !llvm.loop [[LOOP56:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[TMP39:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[TMP37]])
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP22]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP22]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 true, label [[BB1:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[BB:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[Y]], [[BB]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[BB]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[BB]] ], [ [[TMP39]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: br label [[BB2:%.*]]
> +; NO-SINK-AFTER: bb1:
> +; NO-SINK-AFTER-NEXT: [[VAR:%.*]] = phi i32 [ [[VAR6:%.*]], [[BB2]] ], [ [[TMP39]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: ret i32 [[VAR]]
> +; NO-SINK-AFTER: bb2:
> +; NO-SINK-AFTER-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR8:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[IV:%.*]] = phi i32 [ [[IV_NEXT:%.*]], [[BB2]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[VAR7:%.*]], [[BB2]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR6]], [[BB2]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; NO-SINK-AFTER-NEXT: [[G:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[IV]]
> +; NO-SINK-AFTER-NEXT: [[VAR6]] = add i32 [[VAR5]], [[SCALAR_RECUR]]
> +; NO-SINK-AFTER-NEXT: [[VAR7]] = udiv i32 219220132, [[VAR3]]
> +; NO-SINK-AFTER-NEXT: store i32 [[VAR3]], i32* [[G]], align 4
> +; NO-SINK-AFTER-NEXT: [[VAR8]] = add nsw i32 [[VAR3]], -1
> +; NO-SINK-AFTER-NEXT: [[IV_NEXT]] = add nsw i32 [[IV]], 1
> +; NO-SINK-AFTER-NEXT: [[VAR9:%.*]] = icmp slt i32 [[VAR3]], 2
> +; NO-SINK-AFTER-NEXT: br i1 [[VAR9]], label [[BB1]], label [[BB2]], !prof [[PROF54]], !llvm.loop [[LOOP57:![0-9]+]]
> ;
> bb:
> br label %bb2
>
> bb1: ; preds = %bb2
> - %tmp = phi i32 [ %tmp6, %bb2 ]
> - ret i32 %tmp
> + %var = phi i32 [ %var6, %bb2 ]
> + ret i32 %var
>
> bb2: ; preds = %bb2, %bb
> - %tmp3 = phi i32 [ %tmp8, %bb2 ], [ %y, %bb ]
> + %var3 = phi i32 [ %var8, %bb2 ], [ %y, %bb ]
> %iv = phi i32 [ %iv.next, %bb2 ], [ 0, %bb ]
> - %tmp4 = phi i32 [ %tmp7, %bb2 ], [ 0, %bb ]
> - %tmp5 = phi i32 [ %tmp6, %bb2 ], [ 0, %bb ]
> + %var4 = phi i32 [ %var7, %bb2 ], [ 0, %bb ]
> + %var5 = phi i32 [ %var6, %bb2 ], [ 0, %bb ]
> %g = getelementptr inbounds i32, i32* %x, i32 %iv
> - %tmp6 = add i32 %tmp5, %tmp4
> - %tmp7 = udiv i32 219220132, %tmp3
> - store i32 %tmp3, i32* %g, align 4
> - %tmp8 = add nsw i32 %tmp3, -1
> + %var6 = add i32 %var5, %var4
> + %var7 = udiv i32 219220132, %var3
> + store i32 %var3, i32* %g, align 4
> + %var8 = add nsw i32 %var3, -1
> %iv.next = add nsw i32 %iv, 1
> - %tmp9 = icmp slt i32 %tmp3, 2
> - br i1 %tmp9, label %bb1, label %bb2, !prof !2
> + %var9 = icmp slt i32 %var3, 2
> + br i1 %var9, label %bb1, label %bb2, !prof !2
> }
>
> ; %vec.dead will be marked as dead instruction in the vector loop and no recipe
> ; will be created for it. Make sure a valid sink target is used.
> define void @sink_after_dead_inst(i32* %A.ptr) {
> -; CHECK-LABEL: @sink_after_dead_inst
> -; CHECK-LABEL: vector.body:
> -; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT]], %vector.body ]
> +; CHECK-LABEL: @sink_after_dead_inst(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = zext i32 [[INDEX]] to i64
> ; CHECK-NEXT: [[SEXT:%.*]] = shl i64 [[OFFSET_IDX]], 48
> -; CHECK-NEXT: [[SHIFT:%.*]] = ashr exact i64 [[SEXT]], 48
> -; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, i32* %A.ptr, i64 [[SHIFT]]
> -; CHECK-NEXT: [[CAST:%.*]] = bitcast i32* [[GEP]] to <4 x i32>*
> -; CHECK-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[CAST]], align 4
> -; CHECK-NEXT: [[INDEX_NEXT:%.*]] = add nuw i32 [[INDEX]], 4
> -; CHECK-NEXT: [[EC:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> -; CHECK-NEXT: br i1 [[EC]], label %middle.block, label %vector.body
> -
> +; CHECK-NEXT: [[TMP0:%.*]] = ashr exact i64 [[SEXT]], 48
> +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <4 x i32>*
> +; CHECK-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP2]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP58:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: loop:
> +; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP59:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; UNROLL-LABEL: @sink_after_dead_inst(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = zext i32 [[INDEX]] to i64
> +; UNROLL-NEXT: [[SEXT:%.*]] = shl i64 [[OFFSET_IDX]], 48
> +; UNROLL-NEXT: [[TMP0:%.*]] = ashr exact i64 [[SEXT]], 48
> +; UNROLL-NEXT: [[TMP1:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP2]], align 4
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr i32, i32* [[TMP1]], i64 4
> +; UNROLL-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
> +; UNROLL-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP4]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; UNROLL-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP58:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP59:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @sink_after_dead_inst(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 0, i16 1, i16 2, i16 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP13:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i16 [[OFFSET_IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i16 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i16 [[OFFSET_IDX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i16 [[OFFSET_IDX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i16 [[OFFSET_IDX]], 5
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i16 [[OFFSET_IDX]], 6
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i16 [[OFFSET_IDX]], 7
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = add <4 x i16> [[STEP_ADD]], <i16 1, i16 1, i16 1, i16 1>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = or <4 x i16> [[TMP8]], [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = or <4 x i16> [[TMP9]], [[TMP9]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = zext <4 x i16> [[TMP10]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP13]] = zext <4 x i16> [[TMP11]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP12]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = shufflevector <4 x i32> [[TMP12]], <4 x i32> [[TMP13]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = icmp eq <4 x i32> [[TMP14]], <i32 15, i32 15, i32 15, i32 15>
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = icmp eq <4 x i32> [[TMP15]], <i32 15, i32 15, i32 15, i32 15>
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = icmp eq <4 x i1> [[TMP16]], <i1 true, i1 true, i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = icmp eq <4 x i1> [[TMP17]], <i1 true, i1 true, i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = and <4 x i1> [[TMP16]], [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = and <4 x i1> [[TMP17]], [[TMP19]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = zext <4 x i1> [[TMP20]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = zext <4 x i1> [[TMP21]] to <4 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i16 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = getelementptr i32, i32* [[TMP24]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = bitcast i32* [[TMP26]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP27]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = getelementptr i32, i32* [[TMP24]], i32 4
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = bitcast i32* [[TMP28]] to <4 x i32>*
> +; UNROLL-NO-IC-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP29]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[STEP_ADD]], <i16 4, i16 4, i16 4, i16 4>
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP58:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 16, 16
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP13]], i32 3
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP13]], i32 2
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 16, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[FOR_PREV:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR]], 15
> +; UNROLL-NO-IC-NEXT: [[C:%.*]] = icmp eq i1 [[CMP]], true
> +; UNROLL-NO-IC-NEXT: [[VEC_DEAD:%.*]] = and i1 [[C]], true
> +; UNROLL-NO-IC-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; UNROLL-NO-IC-NEXT: [[B1:%.*]] = or i16 [[IV_NEXT]], [[IV_NEXT]]
> +; UNROLL-NO-IC-NEXT: [[B3:%.*]] = and i1 [[CMP]], [[C]]
> +; UNROLL-NO-IC-NEXT: [[FOR_PREV]] = zext i16 [[B1]] to i32
> +; UNROLL-NO-IC-NEXT: [[EXT:%.*]] = zext i1 [[B3]] to i32
> +; UNROLL-NO-IC-NEXT: [[A_GEP:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[IV]]
> +; UNROLL-NO-IC-NEXT: store i32 0, i32* [[A_GEP]], align 4
> +; UNROLL-NO-IC-NEXT: br i1 [[VEC_DEAD]], label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP59:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; UNROLL-NO-VF-LABEL: @sink_after_dead_inst(
> +; UNROLL-NO-VF-NEXT: entry:
> +; UNROLL-NO-VF-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-VF: vector.ph:
> +; UNROLL-NO-VF-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-VF: vector.body:
> +; UNROLL-NO-VF-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[VECTOR_RECUR:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-VF-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
> +; UNROLL-NO-VF-NEXT: [[INDUCTION:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; UNROLL-NO-VF-NEXT: [[INDUCTION1:%.*]] = add i16 [[OFFSET_IDX]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP0:%.*]] = add i16 [[INDUCTION]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP1:%.*]] = add i16 [[INDUCTION1]], 1
> +; UNROLL-NO-VF-NEXT: [[TMP2:%.*]] = or i16 [[TMP0]], [[TMP0]]
> +; UNROLL-NO-VF-NEXT: [[TMP3:%.*]] = or i16 [[TMP1]], [[TMP1]]
> +; UNROLL-NO-VF-NEXT: [[TMP4:%.*]] = zext i16 [[TMP2]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP5]] = zext i16 [[TMP3]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP6:%.*]] = icmp eq i32 [[VECTOR_RECUR]], 15
> +; UNROLL-NO-VF-NEXT: [[TMP7:%.*]] = icmp eq i32 [[TMP4]], 15
> +; UNROLL-NO-VF-NEXT: [[TMP8:%.*]] = icmp eq i1 [[TMP6]], true
> +; UNROLL-NO-VF-NEXT: [[TMP9:%.*]] = icmp eq i1 [[TMP7]], true
> +; UNROLL-NO-VF-NEXT: [[TMP10:%.*]] = and i1 [[TMP6]], [[TMP8]]
> +; UNROLL-NO-VF-NEXT: [[TMP11:%.*]] = and i1 [[TMP7]], [[TMP9]]
> +; UNROLL-NO-VF-NEXT: [[TMP12:%.*]] = zext i1 [[TMP10]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP13:%.*]] = zext i1 [[TMP11]] to i32
> +; UNROLL-NO-VF-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i16 [[INDUCTION]]
> +; UNROLL-NO-VF-NEXT: [[TMP15:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[INDUCTION1]]
> +; UNROLL-NO-VF-NEXT: store i32 0, i32* [[TMP14]], align 4
> +; UNROLL-NO-VF-NEXT: store i32 0, i32* [[TMP15]], align 4
> +; UNROLL-NO-VF-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; UNROLL-NO-VF-NEXT: [[TMP16:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; UNROLL-NO-VF-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP57:![0-9]+]]
> +; UNROLL-NO-VF: middle.block:
> +; UNROLL-NO-VF-NEXT: [[CMP_N:%.*]] = icmp eq i32 16, 16
> +; UNROLL-NO-VF-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-VF: scalar.ph:
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-VF-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 16, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-VF-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-VF: loop:
> +; UNROLL-NO-VF-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-VF-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[FOR_PREV:%.*]], [[LOOP]] ]
> +; UNROLL-NO-VF-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR]], 15
> +; UNROLL-NO-VF-NEXT: [[C:%.*]] = icmp eq i1 [[CMP]], true
> +; UNROLL-NO-VF-NEXT: [[VEC_DEAD:%.*]] = and i1 [[C]], true
> +; UNROLL-NO-VF-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; UNROLL-NO-VF-NEXT: [[B1:%.*]] = or i16 [[IV_NEXT]], [[IV_NEXT]]
> +; UNROLL-NO-VF-NEXT: [[B3:%.*]] = and i1 [[CMP]], [[C]]
> +; UNROLL-NO-VF-NEXT: [[FOR_PREV]] = zext i16 [[B1]] to i32
> +; UNROLL-NO-VF-NEXT: [[EXT:%.*]] = zext i1 [[B3]] to i32
> +; UNROLL-NO-VF-NEXT: [[A_GEP:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[IV]]
> +; UNROLL-NO-VF-NEXT: store i32 0, i32* [[A_GEP]], align 4
> +; UNROLL-NO-VF-NEXT: br i1 [[VEC_DEAD]], label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP58:![0-9]+]]
> +; UNROLL-NO-VF: for.end:
> +; UNROLL-NO-VF-NEXT: ret void
> +;
> +; SINK-AFTER-LABEL: @sink_after_dead_inst(
> +; SINK-AFTER-NEXT: entry:
> +; SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; SINK-AFTER: vector.ph:
> +; SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; SINK-AFTER: vector.body:
> +; SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 0, i16 1, i16 2, i16 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
> +; SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
> +; SINK-AFTER-NEXT: [[TMP0:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; SINK-AFTER-NEXT: [[TMP1:%.*]] = add i16 [[OFFSET_IDX]], 1
> +; SINK-AFTER-NEXT: [[TMP2:%.*]] = add i16 [[OFFSET_IDX]], 2
> +; SINK-AFTER-NEXT: [[TMP3:%.*]] = add i16 [[OFFSET_IDX]], 3
> +; SINK-AFTER-NEXT: [[TMP4:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; SINK-AFTER-NEXT: [[TMP5:%.*]] = or <4 x i16> [[TMP4]], [[TMP4]]
> +; SINK-AFTER-NEXT: [[TMP6]] = zext <4 x i16> [[TMP5]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP7:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP6]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; SINK-AFTER-NEXT: [[TMP8:%.*]] = icmp eq <4 x i32> [[TMP7]], <i32 15, i32 15, i32 15, i32 15>
> +; SINK-AFTER-NEXT: [[TMP9:%.*]] = icmp eq <4 x i1> [[TMP8]], <i1 true, i1 true, i1 true, i1 true>
> +; SINK-AFTER-NEXT: [[TMP10:%.*]] = and <4 x i1> [[TMP8]], [[TMP9]]
> +; SINK-AFTER-NEXT: [[TMP11:%.*]] = zext <4 x i1> [[TMP10]] to <4 x i32>
> +; SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i16 [[TMP0]]
> +; SINK-AFTER-NEXT: [[TMP13:%.*]] = getelementptr i32, i32* [[TMP12]], i32 0
> +; SINK-AFTER-NEXT: [[TMP14:%.*]] = bitcast i32* [[TMP13]] to <4 x i32>*
> +; SINK-AFTER-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP14]], align 4
> +; SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; SINK-AFTER-NEXT: [[TMP15:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; SINK-AFTER-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP58:![0-9]+]]
> +; SINK-AFTER: middle.block:
> +; SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 16, 16
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP6]], i32 3
> +; SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP6]], i32 2
> +; SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; SINK-AFTER: scalar.ph:
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 16, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; SINK-AFTER-NEXT: br label [[LOOP:%.*]]
> +; SINK-AFTER: loop:
> +; SINK-AFTER-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[FOR_PREV:%.*]], [[LOOP]] ]
> +; SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR]], 15
> +; SINK-AFTER-NEXT: [[C:%.*]] = icmp eq i1 [[CMP]], true
> +; SINK-AFTER-NEXT: [[VEC_DEAD:%.*]] = and i1 [[C]], true
> +; SINK-AFTER-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; SINK-AFTER-NEXT: [[B1:%.*]] = or i16 [[IV_NEXT]], [[IV_NEXT]]
> +; SINK-AFTER-NEXT: [[B3:%.*]] = and i1 [[CMP]], [[C]]
> +; SINK-AFTER-NEXT: [[FOR_PREV]] = zext i16 [[B1]] to i32
> +; SINK-AFTER-NEXT: [[EXT:%.*]] = zext i1 [[B3]] to i32
> +; SINK-AFTER-NEXT: [[A_GEP:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[IV]]
> +; SINK-AFTER-NEXT: store i32 0, i32* [[A_GEP]], align 4
> +; SINK-AFTER-NEXT: br i1 [[VEC_DEAD]], label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP59:![0-9]+]]
> +; SINK-AFTER: for.end:
> +; SINK-AFTER-NEXT: ret void
> +;
> +; NO-SINK-AFTER-LABEL: @sink_after_dead_inst(
> +; NO-SINK-AFTER-NEXT: entry:
> +; NO-SINK-AFTER-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; NO-SINK-AFTER: vector.ph:
> +; NO-SINK-AFTER-NEXT: br label [[VECTOR_BODY:%.*]]
> +; NO-SINK-AFTER: vector.body:
> +; NO-SINK-AFTER-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VEC_IND:%.*]] = phi <4 x i16> [ <i16 0, i16 1, i16 2, i16 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
> +; NO-SINK-AFTER-NEXT: [[OFFSET_IDX:%.*]] = trunc i32 [[INDEX]] to i16
> +; NO-SINK-AFTER-NEXT: [[TMP0:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; NO-SINK-AFTER-NEXT: [[TMP1:%.*]] = add i16 [[OFFSET_IDX]], 1
> +; NO-SINK-AFTER-NEXT: [[TMP2:%.*]] = add i16 [[OFFSET_IDX]], 2
> +; NO-SINK-AFTER-NEXT: [[TMP3:%.*]] = add i16 [[OFFSET_IDX]], 3
> +; NO-SINK-AFTER-NEXT: [[TMP4:%.*]] = add <4 x i16> [[VEC_IND]], <i16 1, i16 1, i16 1, i16 1>
> +; NO-SINK-AFTER-NEXT: [[TMP5:%.*]] = or <4 x i16> [[TMP4]], [[TMP4]]
> +; NO-SINK-AFTER-NEXT: [[TMP6]] = zext <4 x i16> [[TMP5]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP7:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[TMP6]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; NO-SINK-AFTER-NEXT: [[TMP8:%.*]] = icmp eq <4 x i32> [[TMP7]], <i32 15, i32 15, i32 15, i32 15>
> +; NO-SINK-AFTER-NEXT: [[TMP9:%.*]] = icmp eq <4 x i1> [[TMP8]], <i1 true, i1 true, i1 true, i1 true>
> +; NO-SINK-AFTER-NEXT: [[TMP10:%.*]] = and <4 x i1> [[TMP8]], [[TMP9]]
> +; NO-SINK-AFTER-NEXT: [[TMP11:%.*]] = zext <4 x i1> [[TMP10]] to <4 x i32>
> +; NO-SINK-AFTER-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[A_PTR:%.*]], i16 [[TMP0]]
> +; NO-SINK-AFTER-NEXT: [[TMP13:%.*]] = getelementptr i32, i32* [[TMP12]], i32 0
> +; NO-SINK-AFTER-NEXT: [[TMP14:%.*]] = bitcast i32* [[TMP13]] to <4 x i32>*
> +; NO-SINK-AFTER-NEXT: store <4 x i32> zeroinitializer, <4 x i32>* [[TMP14]], align 4
> +; NO-SINK-AFTER-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; NO-SINK-AFTER-NEXT: [[VEC_IND_NEXT]] = add <4 x i16> [[VEC_IND]], <i16 4, i16 4, i16 4, i16 4>
> +; NO-SINK-AFTER-NEXT: [[TMP15:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; NO-SINK-AFTER-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP58:![0-9]+]]
> +; NO-SINK-AFTER: middle.block:
> +; NO-SINK-AFTER-NEXT: [[CMP_N:%.*]] = icmp eq i32 16, 16
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[TMP6]], i32 3
> +; NO-SINK-AFTER-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <4 x i32> [[TMP6]], i32 2
> +; NO-SINK-AFTER-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; NO-SINK-AFTER: scalar.ph:
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; NO-SINK-AFTER-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 16, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; NO-SINK-AFTER-NEXT: br label [[LOOP:%.*]]
> +; NO-SINK-AFTER: loop:
> +; NO-SINK-AFTER-NEXT: [[IV:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; NO-SINK-AFTER-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[FOR_PREV:%.*]], [[LOOP]] ]
> +; NO-SINK-AFTER-NEXT: [[CMP:%.*]] = icmp eq i32 [[SCALAR_RECUR]], 15
> +; NO-SINK-AFTER-NEXT: [[C:%.*]] = icmp eq i1 [[CMP]], true
> +; NO-SINK-AFTER-NEXT: [[VEC_DEAD:%.*]] = and i1 [[C]], true
> +; NO-SINK-AFTER-NEXT: [[IV_NEXT]] = add i16 [[IV]], 1
> +; NO-SINK-AFTER-NEXT: [[B1:%.*]] = or i16 [[IV_NEXT]], [[IV_NEXT]]
> +; NO-SINK-AFTER-NEXT: [[B3:%.*]] = and i1 [[CMP]], [[C]]
> +; NO-SINK-AFTER-NEXT: [[FOR_PREV]] = zext i16 [[B1]] to i32
> +; NO-SINK-AFTER-NEXT: [[EXT:%.*]] = zext i1 [[B3]] to i32
> +; NO-SINK-AFTER-NEXT: [[A_GEP:%.*]] = getelementptr i32, i32* [[A_PTR]], i16 [[IV]]
> +; NO-SINK-AFTER-NEXT: store i32 0, i32* [[A_GEP]], align 4
> +; NO-SINK-AFTER-NEXT: br i1 [[VEC_DEAD]], label [[FOR_END]], label [[LOOP]], !llvm.loop [[LOOP59:![0-9]+]]
> +; NO-SINK-AFTER: for.end:
> +; NO-SINK-AFTER-NEXT: ret void
> +;
> entry:
> br label %loop
>
>
> diff --git a/llvm/test/Transforms/LoopVectorize/float-induction.ll b/llvm/test/Transforms/LoopVectorize/float-induction.ll
> index b777fe21666f..86ec6f5d4190 100644
> --- a/llvm/test/Transforms/LoopVectorize/float-induction.ll
> +++ b/llvm/test/Transforms/LoopVectorize/float-induction.ll
> @@ -1,3 +1,4 @@
> +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL1 %s
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=4 -dce -instcombine -S | FileCheck --check-prefix VEC4_INTERL2 %s
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=1 -dce -instcombine -S | FileCheck --check-prefix VEC1_INTERL2 %s
> @@ -13,72 +14,235 @@
> ; }
> ;}
>
> +
> +
> +
> +define void @fp_iv_loop1_fast_FMF(float %init, float* noalias nocapture %A, i32 %N) {
> ; VEC4_INTERL1-LABEL: @fp_iv_loop1_fast_FMF(
> +; VEC4_INTERL1-NEXT: entry:
> +; VEC4_INTERL1-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL1-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL1: for.body.lr.ph:
> +; VEC4_INTERL1-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4
> +; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> ; VEC4_INTERL1: vector.ph:
> -; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0
> +; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = fmul fast float [[FPINC]], [[CAST_CRD]]
> +; VEC4_INTERL1-NEXT: [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP3]]
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float %fpinc, i32 0
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i32 0
> ; VEC4_INTERL1-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> -; VEC4_INTERL1-NEXT: [[INDUCTION4:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]]
> -; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00
> -; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i32 0
> -; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: br label %vector.body
> +; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> +; VEC4_INTERL1-NEXT: [[INDUCTION:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP4]]
> +; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul fast float [[FPINC]], 4.000000e+00
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i32 0
> +; VEC4_INTERL1-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC4_INTERL1: vector.body:
> -; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION4]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP9]], align 4
> +; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP7]], align 4
> ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> -; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT6]]
> -; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> +; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
> +; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; VEC4_INTERL1: middle.block:
> +; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL1: scalar.ph:
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL1: for.body:
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL1-NEXT: [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; VEC4_INTERL1: for.end.loopexit:
> +; VEC4_INTERL1-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL1: for.end:
> +; VEC4_INTERL1-NEXT: ret void
> +;
> ; VEC4_INTERL2-LABEL: @fp_iv_loop1_fast_FMF(
> +; VEC4_INTERL2-NEXT: entry:
> +; VEC4_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL2: for.body.lr.ph:
> +; VEC4_INTERL2-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4
> +; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7
> +; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> ; VEC4_INTERL2: vector.ph:
> -; VEC4_INTERL2: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0
> +; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584
> +; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[FPINC]], [[CAST_CRD]]
> +; VEC4_INTERL2-NEXT: [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP3]]
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> ; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT3:%.*]] = insertelement <4 x float> poison, float %fpinc, i32 0
> -; VEC4_INTERL2-NEXT: [[DOTSPLAT4:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT3]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast <4 x float> [[DOTSPLAT4]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> -; VEC4_INTERL2-NEXT: [[INDUCTION5:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP5]]
> -; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = fmul fast float %fpinc, 4.000000e+00
> -; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT6:%.*]] = insertelement <4 x float> poison, float [[TMP6]], i32 0
> -; VEC4_INTERL2-NEXT: [[DOTSPLAT7:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT6]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL2-NEXT: br label %vector.body
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x float> poison, float [[FPINC]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT2]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = fmul fast <4 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> +; VEC4_INTERL2-NEXT: [[INDUCTION:%.*]] = fsub fast <4 x float> [[DOTSPLAT]], [[TMP4]]
> +; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[FPINC]], 4.000000e+00
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <4 x float> poison, float [[TMP5]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT4]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC4_INTERL2: vector.body:
> -; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION5]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT7]]
> -; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = bitcast float* [[TMP9]] to <4 x float>*
> -; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP10]], align 4
> -; VEC4_INTERL2-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[TMP9]], i64 4
> -; VEC4_INTERL2-NEXT: [[TMP12:%.*]] = bitcast float* [[TMP11]] to <4 x float>*
> -; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP12]], align 4
> +; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fsub fast <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
> +; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP7]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[TMP6]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP9]], align 4
> ; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> -; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[STEP_ADD]], [[DOTSPLAT7]]
> -; VEC4_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> +; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub fast <4 x float> [[STEP_ADD]], [[DOTSPLAT5]]
> +; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; VEC4_INTERL2: middle.block:
> +; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL2: scalar.ph:
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL2: for.body:
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL2-NEXT: [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; VEC4_INTERL2: for.end.loopexit:
> +; VEC4_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL2: for.end:
> +; VEC4_INTERL2-NEXT: ret void
> +;
> ; VEC1_INTERL2-LABEL: @fp_iv_loop1_fast_FMF(
> +; VEC1_INTERL2-NEXT: entry:
> +; VEC1_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC1_INTERL2: for.body.lr.ph:
> +; VEC1_INTERL2-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4
> +; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> ; VEC1_INTERL2: vector.ph:
> -; VEC1_INTERL2: br label %vector.body
> +; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[FPINC]], [[CAST_CRD]]
> +; VEC1_INTERL2-NEXT: [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP3]]
> +; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC1_INTERL2: vector.body:
> -; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> +; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> ; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1
> -; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = sitofp i64 [[INDEX]] to float
> -; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fmul fast float %fpinc, [[TMP6]]
> -; VEC1_INTERL2-NEXT: [[FP_OFFSET_IDX:%.*]] = fsub fast float %init, [[TMP7]]
> -; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = fsub fast float [[FP_OFFSET_IDX]], %fpinc
> -; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC1_INTERL2-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDUCTION2]]
> -; VEC1_INTERL2-NEXT: store float [[FP_OFFSET_IDX]], float* [[TMP9]], align 4
> -; VEC1_INTERL2-NEXT: store float [[TMP8]], float* [[TMP10]], align 4
> +; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[FPINC]], [[TMP4]]
> +; VEC1_INTERL2-NEXT: [[OFFSET_IDX:%.*]] = fsub fast float [[INIT]], [[TMP5]]
> +; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = fsub fast float [[OFFSET_IDX]], [[FPINC]]
> +; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION2]]
> +; VEC1_INTERL2-NEXT: store float [[OFFSET_IDX]], float* [[TMP7]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP6]], float* [[TMP8]], align 4
> ; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> -; VEC1_INTERL2: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> -define void @fp_iv_loop1_fast_FMF(float %init, float* noalias nocapture %A, i32 %N) {
> +; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; VEC1_INTERL2: middle.block:
> +; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC1_INTERL2: scalar.ph:
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC1_INTERL2: for.body:
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4
> +; VEC1_INTERL2-NEXT: [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; VEC1_INTERL2: for.end.loopexit:
> +; VEC1_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC1_INTERL2: for.end:
> +; VEC1_INTERL2-NEXT: ret void
> +;
> +; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop1_fast_FMF(
> +; VEC2_INTERL1_PRED_STORE-NEXT: entry:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP4]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC2_INTERL1_PRED_STORE: for.body.lr.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[FPINC:%.*]] = load float, float* @fp_inc, align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = fmul fast float [[FPINC]], [[CAST_CRD]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END:%.*]] = fsub fast float [[INIT:%.*]], [[TMP3]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x float> poison, float [[FPINC]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT2]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fmul fast <2 x float> [[DOTSPLAT3]], <float 0.000000e+00, float 1.000000e+00>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDUCTION:%.*]] = fsub fast <2 x float> [[DOTSPLAT]], [[TMP4]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = fmul fast float [[FPINC]], 2.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x float> poison, float [[TMP5]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT4]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[VEC_IND]], <2 x float>* [[TMP7]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fsub fast <2 x float> [[VEC_IND]], [[DOTSPLAT5]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: middle.block:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
> +; VEC2_INTERL1_PRED_STORE: for.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[X_05:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ADD]] = fsub fast float [[X_05]], [[FPINC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: for.end:
> +; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> +;
> entry:
> %cmp4 = icmp sgt i32 %N, 0
> br i1 %cmp4, label %for.body.lr.ph, label %for.end
> @@ -109,6 +273,10 @@ for.end: ; preds = %for.end.loopexit, %
> ; 'fast' spontaneously - FMF should propagate from the original IR.
>
> define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i32 %N) {
> +;
> +;
> +;
> +;
> ; VEC4_INTERL1-LABEL: @fp_iv_loop1_reassoc_FMF(
> ; VEC4_INTERL1-NEXT: entry:
> ; VEC4_INTERL1-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> @@ -144,7 +312,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[VEC_IND]], [[DOTSPLAT5]]
> ; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> -; VEC4_INTERL1-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
> ; VEC4_INTERL1: middle.block:
> ; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> ; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> @@ -161,7 +329,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> ; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> ; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> -; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]]
> +; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
> ; VEC4_INTERL1: for.end.loopexit:
> ; VEC4_INTERL1-NEXT: br label [[FOR_END]]
> ; VEC4_INTERL1: for.end:
> @@ -206,7 +374,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> ; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <4 x float> [[STEP_ADD]], [[DOTSPLAT5]]
> ; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> -; VEC4_INTERL2-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
> ; VEC4_INTERL2: middle.block:
> ; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> ; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> @@ -223,7 +391,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> ; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> ; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> -; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]]
> +; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
> ; VEC4_INTERL2: for.end.loopexit:
> ; VEC4_INTERL2-NEXT: br label [[FOR_END]]
> ; VEC4_INTERL2: for.end:
> @@ -261,7 +429,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC1_INTERL2-NEXT: store float [[TMP8]], float* [[TMP10]], align 4
> ; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> ; VEC1_INTERL2-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> -; VEC1_INTERL2-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP3:![0-9]+]]
> ; VEC1_INTERL2: middle.block:
> ; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> ; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> @@ -272,13 +440,13 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC1_INTERL2: for.body:
> ; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> ; VEC1_INTERL2-NEXT: [[X_05:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> -; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> ; VEC1_INTERL2-NEXT: store float [[X_05]], float* [[ARRAYIDX]], align 4
> ; VEC1_INTERL2-NEXT: [[ADD]] = fsub reassoc float [[X_05]], [[FPINC]]
> ; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> ; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> ; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> -; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT:%.*]], label [[FOR_BODY]]
> +; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
> ; VEC1_INTERL2: for.end.loopexit:
> ; VEC1_INTERL2-NEXT: br label [[FOR_END]]
> ; VEC1_INTERL2: for.end:
> @@ -319,7 +487,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fsub reassoc <2 x float> [[VEC_IND]], [[DOTSPLAT5]]
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> -; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], [[LOOP4:!llvm.loop !.*]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]]
> ; VEC2_INTERL1_PRED_STORE: middle.block:
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> ; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
> @@ -332,7 +500,7 @@ define void @fp_iv_loop1_reassoc_FMF(float %init, float* noalias nocapture %A, i
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> -; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], [[LOOP5:!llvm.loop !.*]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
> ; VEC2_INTERL1_PRED_STORE: for.end:
> ; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> ;
> @@ -370,108 +538,594 @@ for.end: ; preds = %for.end.loopexit, %
> ; }
> ;}
>
> -; VEC4_INTERL1-LABEL: @fp_iv_loop2(
> -; VEC4_INTERL1: vector.ph:
> -; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0
> -; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[INDUCTION2:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00>
> -; VEC4_INTERL1-NEXT: br label %vector.body
> -; VEC4_INTERL1: vector.body:
> -; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION2]], %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4
> -; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> -; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
> -; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body
>
> define void @fp_iv_loop2(float %init, float* noalias nocapture %A, i32 %N) #0 {
> -entry:
> - %cmp4 = icmp sgt i32 %N, 0
> - br i1 %cmp4, label %for.body.preheader, label %for.end
> -
> -for.body.preheader: ; preds = %entry
> - br label %for.body
> -
> -for.body: ; preds = %for.body.preheader, %for.body
> - %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
> - %x.06 = phi float [ %conv1, %for.body ], [ %init, %for.body.preheader ]
> - %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv
> - store float %x.06, float* %arrayidx, align 4
> - %conv1 = fadd fast float %x.06, 5.000000e-01
> - %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
> - %lftr.wideiv = trunc i64 %indvars.iv.next to i32
> - %exitcond = icmp eq i32 %lftr.wideiv, %N
> - br i1 %exitcond, label %for.end.loopexit, label %for.body
> -
> -for.end.loopexit: ; preds = %for.body
> - br label %for.end
> -
> -for.end: ; preds = %for.end.loopexit, %entry
> - ret void
> -}
> -
> -;void fp_iv_loop3(float init, float * __restrict__ A, float * __restrict__ B, float * __restrict__ C, int N) {
> -; int i = 0;
> -; float x = init;
> -; float y = 0.1;
> -; for (; i < N; ++i) {
> -; A[i] = x;
> -; x += fp_inc;
> -; y -= 0.5;
> -; B[i] = x + y;
> -; C[i] = y;
> -; }
> -;}
> -
> -; VEC4_INTERL1-LABEL: @fp_iv_loop3(
> -; VEC4_INTERL1: for.body.lr.ph:
> -; VEC4_INTERL1: [[TMP0:%.*]] = load float, float* @fp_inc, align 4
> +; VEC4_INTERL1-LABEL: @fp_iv_loop2(
> +; VEC4_INTERL1-NEXT: entry:
> +; VEC4_INTERL1-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL1-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL1: for.body.preheader:
> +; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> ; VEC4_INTERL1: vector.ph:
> -; VEC4_INTERL1: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float %init, i32 0
> +; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC4_INTERL1-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> ; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> -; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = fmul fast <4 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> -; VEC4_INTERL1-NEXT: [[INDUCTION7:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP7]]
> -; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = fmul fast float [[TMP0]], 4.000000e+00
> -; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <4 x float> poison, float [[TMP8]], i32 0
> -; VEC4_INTERL1-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT8]], <4 x float> poison, <4 x i32> zeroinitializer
> -; VEC4_INTERL1-NEXT: [[BROADCAST_SPLATINSERT12:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> -; VEC4_INTERL1-NEXT: [[BROADCAST_SPLAT13:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT12]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00>
> ; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC4_INTERL1: vector.body:
> -; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[VEC_IND10:%.*]] = phi <4 x float> [ [[INDUCTION7]], %vector.ph ], [ [[VEC_IND_NEXT11:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP12]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND10]], <4 x float>* [[TMP13]], align 4
> -; VEC4_INTERL1-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[BROADCAST_SPLAT13]]
> -; VEC4_INTERL1-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01>
> -; VEC4_INTERL1-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[TMP15]], [[TMP14]]
> -; VEC4_INTERL1-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, float* %B, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP18:%.*]] = bitcast float* [[TMP17]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[TMP16]], <4 x float>* [[TMP18]], align 4
> -; VEC4_INTERL1-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* %C, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP20:%.*]] = bitcast float* [[TMP19]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[TMP15]], <4 x float>* [[TMP20]], align 4
> +; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP5]], align 4
> ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> -; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -2.000000e+00, float -2.000000e+00, float -2.000000e+00, float -2.000000e+00>
> -; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT11]] = fadd fast <4 x float> [[VEC_IND10]], [[DOTSPLAT9]]
> -; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> -define void @fp_iv_loop3(float %init, float* noalias nocapture %A, float* noalias nocapture %B, float* noalias nocapture %C, i32 %N) {
> -entry:
> - %cmp9 = icmp sgt i32 %N, 0
> - br i1 %cmp9, label %for.body.lr.ph, label %for.end
> -
> -for.body.lr.ph: ; preds = %entry
> - %0 = load float, float* @fp_inc, align 4
> - br label %for.body
> -
> -for.body: ; preds = %for.body, %for.body.lr.ph
> +; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
> +; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
> +; VEC4_INTERL1: middle.block:
> +; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL1: scalar.ph:
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL1: for.body:
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL1-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
> +; VEC4_INTERL1: for.end.loopexit:
> +; VEC4_INTERL1-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL1: for.end:
> +; VEC4_INTERL1-NEXT: ret void
> +;
> +; VEC4_INTERL2-LABEL: @fp_iv_loop2(
> +; VEC4_INTERL2-NEXT: entry:
> +; VEC4_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL2: for.body.preheader:
> +; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7
> +; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL2: vector.ph:
> +; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584
> +; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC4_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01, float 1.000000e+00, float 1.500000e+00>
> +; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL2: vector.body:
> +; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
> +; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP5]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[TMP4]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP7]], align 4
> +; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 4.000000e+00, float 4.000000e+00, float 4.000000e+00, float 4.000000e+00>
> +; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
> +; VEC4_INTERL2: middle.block:
> +; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL2: scalar.ph:
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL2: for.body:
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL2-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
> +; VEC4_INTERL2: for.end.loopexit:
> +; VEC4_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL2: for.end:
> +; VEC4_INTERL2-NEXT: ret void
> +;
> +; VEC1_INTERL2-LABEL: @fp_iv_loop2(
> +; VEC1_INTERL2-NEXT: entry:
> +; VEC1_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC1_INTERL2: for.body.preheader:
> +; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC1_INTERL2: vector.ph:
> +; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
> +; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC1_INTERL2: vector.body:
> +; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1
> +; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP4]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[OFFSET_IDX:%.*]] = fadd fast float [[TMP5]], [[INIT]]
> +; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = fadd fast float [[OFFSET_IDX]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION2]]
> +; VEC1_INTERL2-NEXT: store float [[OFFSET_IDX]], float* [[TMP7]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP6]], float* [[TMP8]], align 4
> +; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]]
> +; VEC1_INTERL2: middle.block:
> +; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC1_INTERL2: scalar.ph:
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
> +; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC1_INTERL2: for.body:
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC1_INTERL2-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
> +; VEC1_INTERL2: for.end.loopexit:
> +; VEC1_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC1_INTERL2: for.end:
> +; VEC1_INTERL2-NEXT: ret void
> +;
> +; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop2(
> +; VEC2_INTERL1_PRED_STORE-NEXT: entry:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC2_INTERL1_PRED_STORE: for.body.preheader:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], [[INIT:%.*]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDUCTION:%.*]] = fadd fast <2 x float> [[DOTSPLAT]], <float 0.000000e+00, float 5.000000e-01>
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[VEC_IND]], <2 x float>* [[TMP5]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float 1.000000e+00, float 1.000000e+00>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: middle.block:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
> +; VEC2_INTERL1_PRED_STORE: for.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_PREHEADER]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: for.end:
> +; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> +;
> +entry:
> + %cmp4 = icmp sgt i32 %N, 0
> + br i1 %cmp4, label %for.body.preheader, label %for.end
> +
> +for.body.preheader: ; preds = %entry
> + br label %for.body
> +
> +for.body: ; preds = %for.body.preheader, %for.body
> + %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %for.body.preheader ]
> + %x.06 = phi float [ %conv1, %for.body ], [ %init, %for.body.preheader ]
> + %arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv
> + store float %x.06, float* %arrayidx, align 4
> + %conv1 = fadd fast float %x.06, 5.000000e-01
> + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
> + %lftr.wideiv = trunc i64 %indvars.iv.next to i32
> + %exitcond = icmp eq i32 %lftr.wideiv, %N
> + br i1 %exitcond, label %for.end.loopexit, label %for.body
> +
> +for.end.loopexit: ; preds = %for.body
> + br label %for.end
> +
> +for.end: ; preds = %for.end.loopexit, %entry
> + ret void
> +}
> +
> +;void fp_iv_loop3(float init, float * __restrict__ A, float * __restrict__ B, float * __restrict__ C, int N) {
> +; int i = 0;
> +; float x = init;
> +; float y = 0.1;
> +; for (; i < N; ++i) {
> +; A[i] = x;
> +; x += fp_inc;
> +; y -= 0.5;
> +; B[i] = x + y;
> +; C[i] = y;
> +; }
> +;}
> +
> +
> +define void @fp_iv_loop3(float %init, float* noalias nocapture %A, float* noalias nocapture %B, float* noalias nocapture %C, i32 %N) {
> +; VEC4_INTERL1-LABEL: @fp_iv_loop3(
> +; VEC4_INTERL1-NEXT: entry:
> +; VEC4_INTERL1-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL1-NEXT: br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL1: for.body.lr.ph:
> +; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = load float, float* @fp_inc, align 4
> +; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
> +; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 3
> +; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL1: vector.ph:
> +; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[TMP3]], 8589934588
> +; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = fmul fast float [[CAST_CRD]], -5.000000e-01
> +; VEC4_INTERL1-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP4]], 0x3FB99999A0000000
> +; VEC4_INTERL1-NEXT: [[CAST_CRD3:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP0]], [[CAST_CRD3]]
> +; VEC4_INTERL1-NEXT: [[IND_END4:%.*]] = fadd fast float [[TMP5]], [[INIT:%.*]]
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> +; VEC4_INTERL1-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> +; VEC4_INTERL1-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT5]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = fmul fast <4 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> +; VEC4_INTERL1-NEXT: [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP6]]
> +; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = fmul fast float [[TMP0]], 4.000000e+00
> +; VEC4_INTERL1-NEXT: [[DOTSPLATINSERT7:%.*]] = insertelement <4 x float> poison, float [[TMP7]], i32 0
> +; VEC4_INTERL1-NEXT: [[DOTSPLAT8:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT7]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> +; VEC4_INTERL1-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL1: vector.body:
> +; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[VEC_IND9:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT10:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND9]], <4 x float>* [[TMP9]], align 4
> +; VEC4_INTERL1-NEXT: [[TMP10:%.*]] = fadd fast <4 x float> [[VEC_IND9]], [[BROADCAST_SPLAT]]
> +; VEC4_INTERL1-NEXT: [[TMP11:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01>
> +; VEC4_INTERL1-NEXT: [[TMP12:%.*]] = fadd fast <4 x float> [[TMP11]], [[TMP10]]
> +; VEC4_INTERL1-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP14:%.*]] = bitcast float* [[TMP13]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[TMP12]], <4 x float>* [[TMP14]], align 4
> +; VEC4_INTERL1-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, float* [[C:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP16:%.*]] = bitcast float* [[TMP15]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[TMP11]], <4 x float>* [[TMP16]], align 4
> +; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -2.000000e+00, float -2.000000e+00, float -2.000000e+00, float -2.000000e+00>
> +; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT10]] = fadd fast <4 x float> [[VEC_IND9]], [[DOTSPLAT8]]
> +; VEC4_INTERL1-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
> +; VEC4_INTERL1: middle.block:
> +; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL1: scalar.ph:
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL2:%.*]] = phi float [ [[IND_END4]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL1: for.body:
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[X_011]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL1-NEXT: [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
> +; VEC4_INTERL1-NEXT: [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
> +; VEC4_INTERL1-NEXT: [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[ADD2]], float* [[ARRAYIDX4]], align 4
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds float, float* [[C]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[CONV1]], float* [[ARRAYIDX6]], align 4
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; VEC4_INTERL1: for.end.loopexit:
> +; VEC4_INTERL1-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL1: for.end:
> +; VEC4_INTERL1-NEXT: ret void
> +;
> +; VEC4_INTERL2-LABEL: @fp_iv_loop3(
> +; VEC4_INTERL2-NEXT: entry:
> +; VEC4_INTERL2-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL2-NEXT: br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL2: for.body.lr.ph:
> +; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = load float, float* @fp_inc, align 4
> +; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
> +; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP1]], 7
> +; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL2: vector.ph:
> +; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP3]], 8589934584
> +; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = fmul fast float [[CAST_CRD]], -5.000000e-01
> +; VEC4_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP4]], 0x3FB99999A0000000
> +; VEC4_INTERL2-NEXT: [[CAST_CRD3:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP0]], [[CAST_CRD3]]
> +; VEC4_INTERL2-NEXT: [[IND_END4:%.*]] = fadd fast float [[TMP5]], [[INIT:%.*]]
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[INIT]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT6:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT7:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT6]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = fmul fast <4 x float> [[DOTSPLAT7]], <float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00>
> +; VEC4_INTERL2-NEXT: [[INDUCTION:%.*]] = fadd fast <4 x float> [[DOTSPLAT]], [[TMP6]]
> +; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = fmul fast float [[TMP0]], 4.000000e+00
> +; VEC4_INTERL2-NEXT: [[DOTSPLATINSERT8:%.*]] = insertelement <4 x float> poison, float [[TMP7]], i32 0
> +; VEC4_INTERL2-NEXT: [[DOTSPLAT9:%.*]] = shufflevector <4 x float> [[DOTSPLATINSERT8]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> +; VEC4_INTERL2-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: [[BROADCAST_SPLATINSERT14:%.*]] = insertelement <4 x float> poison, float [[TMP0]], i32 0
> +; VEC4_INTERL2-NEXT: [[BROADCAST_SPLAT15:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT14]], <4 x float> poison, <4 x i32> zeroinitializer
> +; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL2: vector.body:
> +; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000, float 0xBFECCCCCC0000000, float 0xBFF6666660000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[VEC_IND10:%.*]] = phi <4 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT13:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[STEP_ADD11:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[DOTSPLAT9]]
> +; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND10]], <4 x float>* [[TMP9]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[TMP8]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP11:%.*]] = bitcast float* [[TMP10]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD11]], <4 x float>* [[TMP11]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP12:%.*]] = fadd fast <4 x float> [[VEC_IND10]], [[BROADCAST_SPLAT]]
> +; VEC4_INTERL2-NEXT: [[TMP13:%.*]] = fadd fast <4 x float> [[STEP_ADD11]], [[BROADCAST_SPLAT15]]
> +; VEC4_INTERL2-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01, float -5.000000e-01, float -5.000000e-01>
> +; VEC4_INTERL2-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float -2.500000e+00, float -2.500000e+00, float -2.500000e+00, float -2.500000e+00>
> +; VEC4_INTERL2-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[TMP14]], [[TMP12]]
> +; VEC4_INTERL2-NEXT: [[TMP17:%.*]] = fadd fast <4 x float> [[TMP15]], [[TMP13]]
> +; VEC4_INTERL2-NEXT: [[TMP18:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP19:%.*]] = bitcast float* [[TMP18]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[TMP16]], <4 x float>* [[TMP19]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP20:%.*]] = getelementptr inbounds float, float* [[TMP18]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP21:%.*]] = bitcast float* [[TMP20]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[TMP17]], <4 x float>* [[TMP21]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP22:%.*]] = getelementptr inbounds float, float* [[C:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP23:%.*]] = bitcast float* [[TMP22]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[TMP14]], <4 x float>* [[TMP23]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP24:%.*]] = getelementptr inbounds float, float* [[TMP22]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP25:%.*]] = bitcast float* [[TMP24]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[TMP15]], <4 x float>* [[TMP25]], align 4
> +; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float -4.000000e+00, float -4.000000e+00, float -4.000000e+00, float -4.000000e+00>
> +; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT13]] = fadd fast <4 x float> [[STEP_ADD11]], [[DOTSPLAT9]]
> +; VEC4_INTERL2-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
> +; VEC4_INTERL2: middle.block:
> +; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL2: scalar.ph:
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL2:%.*]] = phi float [ [[IND_END4]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL2: for.body:
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[X_011]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL2-NEXT: [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
> +; VEC4_INTERL2-NEXT: [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
> +; VEC4_INTERL2-NEXT: [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[ADD2]], float* [[ARRAYIDX4]], align 4
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds float, float* [[C]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[CONV1]], float* [[ARRAYIDX6]], align 4
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; VEC4_INTERL2: for.end.loopexit:
> +; VEC4_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL2: for.end:
> +; VEC4_INTERL2-NEXT: ret void
> +;
> +; VEC1_INTERL2-LABEL: @fp_iv_loop3(
> +; VEC1_INTERL2-NEXT: entry:
> +; VEC1_INTERL2-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC1_INTERL2: for.body.lr.ph:
> +; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = load float, float* @fp_inc, align 4
> +; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = add i32 [[N]], -1
> +; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
> +; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP1]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC1_INTERL2: vector.ph:
> +; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP3]], 8589934590
> +; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = fmul fast float [[CAST_CRD]], -5.000000e-01
> +; VEC1_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP4]], 0x3FB99999A0000000
> +; VEC1_INTERL2-NEXT: [[CAST_CRD3:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP0]], [[CAST_CRD3]]
> +; VEC1_INTERL2-NEXT: [[IND_END4:%.*]] = fadd fast float [[TMP5]], [[INIT:%.*]]
> +; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC1_INTERL2: vector.body:
> +; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[INDUCTION5:%.*]] = or i64 [[INDEX]], 1
> +; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fmul fast float [[TMP6]], -5.000000e-01
> +; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = fmul fast float [[TMP0]], [[TMP8]]
> +; VEC1_INTERL2-NEXT: [[OFFSET_IDX8:%.*]] = fadd fast float [[TMP9]], [[INIT]]
> +; VEC1_INTERL2-NEXT: [[TMP10:%.*]] = fadd fast float [[OFFSET_IDX8]], [[TMP0]]
> +; VEC1_INTERL2-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION5]]
> +; VEC1_INTERL2-NEXT: store float [[OFFSET_IDX8]], float* [[TMP11]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP10]], float* [[TMP12]], align 4
> +; VEC1_INTERL2-NEXT: [[TMP13:%.*]] = fadd fast float [[OFFSET_IDX8]], [[TMP0]]
> +; VEC1_INTERL2-NEXT: [[TMP14:%.*]] = fadd fast float [[TMP10]], [[TMP0]]
> +; VEC1_INTERL2-NEXT: [[TMP15:%.*]] = fadd fast float [[TMP7]], 0xBFD99999A0000000
> +; VEC1_INTERL2-NEXT: [[TMP16:%.*]] = fadd fast float [[TMP7]], 0xBFECCCCCC0000000
> +; VEC1_INTERL2-NEXT: [[TMP17:%.*]] = fadd fast float [[TMP15]], [[TMP13]]
> +; VEC1_INTERL2-NEXT: [[TMP18:%.*]] = fadd fast float [[TMP16]], [[TMP14]]
> +; VEC1_INTERL2-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP20:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDUCTION5]]
> +; VEC1_INTERL2-NEXT: store float [[TMP17]], float* [[TMP19]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP18]], float* [[TMP20]], align 4
> +; VEC1_INTERL2-NEXT: [[TMP21:%.*]] = getelementptr inbounds float, float* [[C:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP22:%.*]] = getelementptr inbounds float, float* [[C]], i64 [[INDUCTION5]]
> +; VEC1_INTERL2-NEXT: store float [[TMP15]], float* [[TMP21]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP16]], float* [[TMP22]], align 4
> +; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC1_INTERL2-NEXT: [[TMP23:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP23]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP7:![0-9]+]]
> +; VEC1_INTERL2: middle.block:
> +; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC1_INTERL2: scalar.ph:
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL2:%.*]] = phi float [ [[IND_END4]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC1_INTERL2: for.body:
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[Y_012:%.*]] = phi float [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[CONV1:%.*]], [[FOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[X_011:%.*]] = phi float [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ], [ [[ADD:%.*]], [[FOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[X_011]], float* [[ARRAYIDX]], align 4
> +; VEC1_INTERL2-NEXT: [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
> +; VEC1_INTERL2-NEXT: [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
> +; VEC1_INTERL2-NEXT: [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[ADD2]], float* [[ARRAYIDX4]], align 4
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds float, float* [[C]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[CONV1]], float* [[ARRAYIDX6]], align 4
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
> +; VEC1_INTERL2: for.end.loopexit:
> +; VEC1_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC1_INTERL2: for.end:
> +; VEC1_INTERL2-NEXT: ret void
> +;
> +; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop3(
> +; VEC2_INTERL1_PRED_STORE-NEXT: entry:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP9]], label [[FOR_BODY_LR_PH:%.*]], label [[FOR_END:%.*]]
> +; VEC2_INTERL1_PRED_STORE: for.body.lr.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = load float, float* @fp_inc, align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = add i32 [[N]], -1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = zext i32 [[TMP1]] to i64
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = add nuw nsw i64 [[TMP2]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP1]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP3]], 8589934590
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fmul fast float [[CAST_CRD]], -5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP4]], 0x3FB99999A0000000
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD3:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP0]], [[CAST_CRD3]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END4:%.*]] = fadd fast float [[TMP5]], [[INIT:%.*]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[INIT]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <2 x float> poison, float [[TMP0]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT5]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = fmul fast <2 x float> [[DOTSPLAT6]], <float 0.000000e+00, float 1.000000e+00>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDUCTION:%.*]] = fadd fast <2 x float> [[DOTSPLAT]], [[TMP6]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP7:%.*]] = fmul fast float [[TMP0]], 2.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLATINSERT7:%.*]] = insertelement <2 x float> poison, float [[TMP7]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[DOTSPLAT8:%.*]] = shufflevector <2 x float> [[DOTSPLATINSERT7]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[TMP0]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND:%.*]] = phi <2 x float> [ <float 0x3FB99999A0000000, float 0xBFD99999A0000000>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND9:%.*]] = phi <2 x float> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT10:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[VEC_IND9]], <2 x float>* [[TMP9]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP10:%.*]] = fadd fast <2 x float> [[VEC_IND9]], [[BROADCAST_SPLAT]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP11:%.*]] = fadd fast <2 x float> [[VEC_IND]], <float -5.000000e-01, float -5.000000e-01>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP12:%.*]] = fadd fast <2 x float> [[TMP11]], [[TMP10]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP14:%.*]] = bitcast float* [[TMP13]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[TMP12]], <2 x float>* [[TMP14]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, float* [[C:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP16:%.*]] = bitcast float* [[TMP15]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[TMP11]], <2 x float>* [[TMP16]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float -1.000000e+00, float -1.000000e+00>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT10]] = fadd fast <2 x float> [[VEC_IND9]], [[DOTSPLAT8]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP17:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: middle.block:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP3]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
> +; VEC2_INTERL1_PRED_STORE: for.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[Y_012:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0x3FB99999A0000000, [[FOR_BODY_LR_PH]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[X_011:%.*]] = phi float [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[IND_END4]], [[MIDDLE_BLOCK]] ], [ [[INIT]], [[FOR_BODY_LR_PH]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[X_011]], float* [[ARRAYIDX]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ADD]] = fadd fast float [[X_011]], [[TMP0]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CONV1]] = fadd fast float [[Y_012]], -5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ADD2:%.*]] = fadd fast float [[CONV1]], [[ADD]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX4:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[ADD2]], float* [[ARRAYIDX4]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX6:%.*]] = getelementptr inbounds float, float* [[C]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[CONV1]], float* [[ARRAYIDX6]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: for.end:
> +; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> +;
> +entry:
> + %cmp9 = icmp sgt i32 %N, 0
> + br i1 %cmp9, label %for.body.lr.ph, label %for.end
> +
> +for.body.lr.ph: ; preds = %entry
> + %0 = load float, float* @fp_inc, align 4
> + br label %for.body
> +
> +for.body: ; preds = %for.body, %for.body.lr.ph
> %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
> %y.012 = phi float [ 0x3FB99999A0000000, %for.body.lr.ph ], [ %conv1, %for.body ]
> %x.011 = phi float [ %init, %for.body.lr.ph ], [ %add, %for.body ]
> @@ -505,20 +1159,202 @@ for.end:
> ; }
> ;}
>
> +
> +define void @fp_iv_loop4(float* noalias nocapture %A, i32 %N) {
> ; VEC4_INTERL1-LABEL: @fp_iv_loop4(
> +; VEC4_INTERL1-NEXT: entry:
> +; VEC4_INTERL1-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL1-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL1: for.body.preheader:
> +; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> ; VEC4_INTERL1: vector.ph:
> -; VEC4_INTERL1: br label %vector.body
> +; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC4_INTERL1-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], 1.000000e+00
> +; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC4_INTERL1: vector.body:
> -; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP7]] to <4 x float>*
> -; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP8]], align 4
> +; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP5]], align 4
> ; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> ; VEC4_INTERL1-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
> -; VEC4_INTERL1: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> -define void @fp_iv_loop4(float* noalias nocapture %A, i32 %N) {
> +; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; VEC4_INTERL1: middle.block:
> +; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL1: scalar.ph:
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL1: for.body:
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL1-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL1-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC4_INTERL1-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL1-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL1-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL1-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; VEC4_INTERL1: for.end.loopexit:
> +; VEC4_INTERL1-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL1: for.end:
> +; VEC4_INTERL1-NEXT: ret void
> +;
> +; VEC4_INTERL2-LABEL: @fp_iv_loop4(
> +; VEC4_INTERL2-NEXT: entry:
> +; VEC4_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC4_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC4_INTERL2: for.body.preheader:
> +; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7
> +; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL2: vector.ph:
> +; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584
> +; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC4_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], 1.000000e+00
> +; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL2: vector.body:
> +; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[VEC_IND:%.*]] = phi <4 x float> [ <float 1.000000e+00, float 1.500000e+00, float 2.000000e+00, float 2.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC4_INTERL2-NEXT: [[STEP_ADD:%.*]] = fadd fast <4 x float> [[VEC_IND]], <float 2.000000e+00, float 2.000000e+00, float 2.000000e+00, float 2.000000e+00>
> +; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[VEC_IND]], <4 x float>* [[TMP5]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[TMP4]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: store <4 x float> [[STEP_ADD]], <4 x float>* [[TMP7]], align 4
> +; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; VEC4_INTERL2-NEXT: [[VEC_IND_NEXT]] = fadd fast <4 x float> [[VEC_IND]], <float 4.000000e+00, float 4.000000e+00, float 4.000000e+00, float 4.000000e+00>
> +; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; VEC4_INTERL2: middle.block:
> +; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL2: scalar.ph:
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
> +; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL2: for.body:
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC4_INTERL2-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC4_INTERL2-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC4_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC4_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC4_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC4_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; VEC4_INTERL2: for.end.loopexit:
> +; VEC4_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC4_INTERL2: for.end:
> +; VEC4_INTERL2-NEXT: ret void
> +;
> +; VEC1_INTERL2-LABEL: @fp_iv_loop4(
> +; VEC1_INTERL2-NEXT: entry:
> +; VEC1_INTERL2-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC1_INTERL2: for.body.preheader:
> +; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC1_INTERL2: vector.ph:
> +; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], 1.000000e+00
> +; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC1_INTERL2: vector.body:
> +; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1
> +; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fmul fast float [[TMP4]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[OFFSET_IDX:%.*]] = fadd fast float [[TMP5]], 1.000000e+00
> +; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = fadd fast float [[TMP5]], 1.500000e+00
> +; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION2]]
> +; VEC1_INTERL2-NEXT: store float [[OFFSET_IDX]], float* [[TMP7]], align 4
> +; VEC1_INTERL2-NEXT: store float [[TMP6]], float* [[TMP8]], align 4
> +; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC1_INTERL2-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; VEC1_INTERL2: middle.block:
> +; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; VEC1_INTERL2: scalar.ph:
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
> +; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC1_INTERL2: for.body:
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC1_INTERL2-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC1_INTERL2-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC1_INTERL2-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC1_INTERL2-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC1_INTERL2-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC1_INTERL2-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; VEC1_INTERL2: for.end.loopexit:
> +; VEC1_INTERL2-NEXT: br label [[FOR_END]]
> +; VEC1_INTERL2: for.end:
> +; VEC1_INTERL2-NEXT: ret void
> +;
> +; VEC2_INTERL1_PRED_STORE-LABEL: @fp_iv_loop4(
> +; VEC2_INTERL1_PRED_STORE-NEXT: entry:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
> +; VEC2_INTERL1_PRED_STORE: for.body.preheader:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = add i32 [[N]], -1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = fmul fast float [[CAST_CRD]], 5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[IND_END:%.*]] = fadd fast float [[TMP3]], 1.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND:%.*]] = phi <2 x float> [ <float 1.000000e+00, float 1.500000e+00>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: store <2 x float> [[VEC_IND]], <2 x float>* [[TMP5]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VEC_IND_NEXT]] = fadd fast <2 x float> [[VEC_IND]], <float 1.000000e+00, float 1.000000e+00>
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: middle.block:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[FOR_BODY]]
> +; VEC2_INTERL1_PRED_STORE: for.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[X_06:%.*]] = phi float [ [[CONV1:%.*]], [[FOR_BODY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 1.000000e+00, [[FOR_BODY_PREHEADER]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[X_06]], float* [[ARRAYIDX]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CONV1]] = fadd fast float [[X_06]], 5.000000e-01
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: for.end:
> +; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> +;
> entry:
> %cmp4 = icmp sgt i32 %N, 0
> br i1 %cmp4, label %for.body.preheader, label %for.end
> @@ -544,47 +1380,331 @@ for.end: ; preds = %for.end.loopexit, %
> ret void
> }
>
> +
> +define void @non_primary_iv_float_scalar(float* %A, i64 %N) {
> +; VEC4_INTERL1-LABEL: @non_primary_iv_float_scalar(
> +; VEC4_INTERL1-NEXT: entry:
> +; VEC4_INTERL1-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; VEC4_INTERL1-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; VEC4_INTERL1-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL1: vector.ph:
> +; VEC4_INTERL1-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
> +; VEC4_INTERL1-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL1-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL1: vector.body:
> +; VEC4_INTERL1-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE7:%.*]] ]
> +; VEC4_INTERL1-NEXT: [[TMP0:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC4_INTERL1-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: [[TMP2:%.*]] = bitcast float* [[TMP1]] to <4 x float>*
> +; VEC4_INTERL1-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP2]], align 4
> +; VEC4_INTERL1-NEXT: [[TMP3:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD]], zeroinitializer
> +; VEC4_INTERL1-NEXT: [[TMP4:%.*]] = extractelement <4 x i1> [[TMP3]], i32 0
> +; VEC4_INTERL1-NEXT: br i1 [[TMP4]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; VEC4_INTERL1: pred.store.if:
> +; VEC4_INTERL1-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDEX]]
> +; VEC4_INTERL1-NEXT: store float [[TMP0]], float* [[TMP5]], align 4
> +; VEC4_INTERL1-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; VEC4_INTERL1: pred.store.continue:
> +; VEC4_INTERL1-NEXT: [[TMP6:%.*]] = extractelement <4 x i1> [[TMP3]], i32 1
> +; VEC4_INTERL1-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF2:%.*]], label [[PRED_STORE_CONTINUE3:%.*]]
> +; VEC4_INTERL1: pred.store.if2:
> +; VEC4_INTERL1-NEXT: [[TMP7:%.*]] = fadd fast float [[TMP0]], 1.000000e+00
> +; VEC4_INTERL1-NEXT: [[TMP8:%.*]] = or i64 [[INDEX]], 1
> +; VEC4_INTERL1-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP8]]
> +; VEC4_INTERL1-NEXT: store float [[TMP7]], float* [[TMP9]], align 4
> +; VEC4_INTERL1-NEXT: br label [[PRED_STORE_CONTINUE3]]
> +; VEC4_INTERL1: pred.store.continue3:
> +; VEC4_INTERL1-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP3]], i32 2
> +; VEC4_INTERL1-NEXT: br i1 [[TMP10]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]]
> +; VEC4_INTERL1: pred.store.if4:
> +; VEC4_INTERL1-NEXT: [[TMP11:%.*]] = fadd fast float [[TMP0]], 2.000000e+00
> +; VEC4_INTERL1-NEXT: [[TMP12:%.*]] = or i64 [[INDEX]], 2
> +; VEC4_INTERL1-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP12]]
> +; VEC4_INTERL1-NEXT: store float [[TMP11]], float* [[TMP13]], align 4
> +; VEC4_INTERL1-NEXT: br label [[PRED_STORE_CONTINUE5]]
> +; VEC4_INTERL1: pred.store.continue5:
> +; VEC4_INTERL1-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP3]], i32 3
> +; VEC4_INTERL1-NEXT: br i1 [[TMP14]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7]]
> +; VEC4_INTERL1: pred.store.if6:
> +; VEC4_INTERL1-NEXT: [[TMP15:%.*]] = fadd fast float [[TMP0]], 3.000000e+00
> +; VEC4_INTERL1-NEXT: [[TMP16:%.*]] = or i64 [[INDEX]], 3
> +; VEC4_INTERL1-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP16]]
> +; VEC4_INTERL1-NEXT: store float [[TMP15]], float* [[TMP17]], align 4
> +; VEC4_INTERL1-NEXT: br label [[PRED_STORE_CONTINUE7]]
> +; VEC4_INTERL1: pred.store.continue7:
> +; VEC4_INTERL1-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; VEC4_INTERL1-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
> +; VEC4_INTERL1: middle.block:
> +; VEC4_INTERL1-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; VEC4_INTERL1-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL1: scalar.ph:
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; VEC4_INTERL1-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[CAST_CRD]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; VEC4_INTERL1-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL1: for.body:
> +; VEC4_INTERL1-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL1-NEXT: [[VAR0:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; VEC4_INTERL1-NEXT: [[VAR1:%.*]] = load float, float* [[VAR0]], align 4
> +; VEC4_INTERL1-NEXT: [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
> +; VEC4_INTERL1-NEXT: br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
> +; VEC4_INTERL1: if.pred:
> +; VEC4_INTERL1-NEXT: store float [[J]], float* [[VAR0]], align 4
> +; VEC4_INTERL1-NEXT: br label [[FOR_INC]]
> +; VEC4_INTERL1: for.inc:
> +; VEC4_INTERL1-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; VEC4_INTERL1-NEXT: [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
> +; VEC4_INTERL1-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; VEC4_INTERL1-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
> +; VEC4_INTERL1: for.end:
> +; VEC4_INTERL1-NEXT: ret void
> +;
> +; VEC4_INTERL2-LABEL: @non_primary_iv_float_scalar(
> +; VEC4_INTERL2-NEXT: entry:
> +; VEC4_INTERL2-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; VEC4_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 8
> +; VEC4_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC4_INTERL2: vector.ph:
> +; VEC4_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775800
> +; VEC4_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC4_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC4_INTERL2: vector.body:
> +; VEC4_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE17:%.*]] ]
> +; VEC4_INTERL2-NEXT: [[TMP0:%.*]] = or i64 [[INDEX]], 4
> +; VEC4_INTERL2-NEXT: [[TMP1:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC4_INTERL2-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP3]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[TMP2]], i64 4
> +; VEC4_INTERL2-NEXT: [[TMP5:%.*]] = bitcast float* [[TMP4]] to <4 x float>*
> +; VEC4_INTERL2-NEXT: [[WIDE_LOAD3:%.*]] = load <4 x float>, <4 x float>* [[TMP5]], align 4
> +; VEC4_INTERL2-NEXT: [[TMP6:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD]], zeroinitializer
> +; VEC4_INTERL2-NEXT: [[TMP7:%.*]] = fcmp fast oeq <4 x float> [[WIDE_LOAD3]], zeroinitializer
> +; VEC4_INTERL2-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP6]], i32 0
> +; VEC4_INTERL2-NEXT: br i1 [[TMP8]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; VEC4_INTERL2: pred.store.if:
> +; VEC4_INTERL2-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDEX]]
> +; VEC4_INTERL2-NEXT: store float [[TMP1]], float* [[TMP9]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; VEC4_INTERL2: pred.store.continue:
> +; VEC4_INTERL2-NEXT: [[TMP10:%.*]] = extractelement <4 x i1> [[TMP6]], i32 1
> +; VEC4_INTERL2-NEXT: br i1 [[TMP10]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5:%.*]]
> +; VEC4_INTERL2: pred.store.if4:
> +; VEC4_INTERL2-NEXT: [[TMP11:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP12:%.*]] = or i64 [[INDEX]], 1
> +; VEC4_INTERL2-NEXT: [[TMP13:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP12]]
> +; VEC4_INTERL2-NEXT: store float [[TMP11]], float* [[TMP13]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE5]]
> +; VEC4_INTERL2: pred.store.continue5:
> +; VEC4_INTERL2-NEXT: [[TMP14:%.*]] = extractelement <4 x i1> [[TMP6]], i32 2
> +; VEC4_INTERL2-NEXT: br i1 [[TMP14]], label [[PRED_STORE_IF6:%.*]], label [[PRED_STORE_CONTINUE7:%.*]]
> +; VEC4_INTERL2: pred.store.if6:
> +; VEC4_INTERL2-NEXT: [[TMP15:%.*]] = fadd fast float [[TMP1]], 2.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP16:%.*]] = or i64 [[INDEX]], 2
> +; VEC4_INTERL2-NEXT: [[TMP17:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP16]]
> +; VEC4_INTERL2-NEXT: store float [[TMP15]], float* [[TMP17]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE7]]
> +; VEC4_INTERL2: pred.store.continue7:
> +; VEC4_INTERL2-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP6]], i32 3
> +; VEC4_INTERL2-NEXT: br i1 [[TMP18]], label [[PRED_STORE_IF8:%.*]], label [[PRED_STORE_CONTINUE9:%.*]]
> +; VEC4_INTERL2: pred.store.if8:
> +; VEC4_INTERL2-NEXT: [[TMP19:%.*]] = fadd fast float [[TMP1]], 3.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP20:%.*]] = or i64 [[INDEX]], 3
> +; VEC4_INTERL2-NEXT: [[TMP21:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP20]]
> +; VEC4_INTERL2-NEXT: store float [[TMP19]], float* [[TMP21]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE9]]
> +; VEC4_INTERL2: pred.store.continue9:
> +; VEC4_INTERL2-NEXT: [[TMP22:%.*]] = extractelement <4 x i1> [[TMP7]], i32 0
> +; VEC4_INTERL2-NEXT: br i1 [[TMP22]], label [[PRED_STORE_IF10:%.*]], label [[PRED_STORE_CONTINUE11:%.*]]
> +; VEC4_INTERL2: pred.store.if10:
> +; VEC4_INTERL2-NEXT: [[TMP23:%.*]] = fadd fast float [[TMP1]], 4.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP24:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP0]]
> +; VEC4_INTERL2-NEXT: store float [[TMP23]], float* [[TMP24]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE11]]
> +; VEC4_INTERL2: pred.store.continue11:
> +; VEC4_INTERL2-NEXT: [[TMP25:%.*]] = extractelement <4 x i1> [[TMP7]], i32 1
> +; VEC4_INTERL2-NEXT: br i1 [[TMP25]], label [[PRED_STORE_IF12:%.*]], label [[PRED_STORE_CONTINUE13:%.*]]
> +; VEC4_INTERL2: pred.store.if12:
> +; VEC4_INTERL2-NEXT: [[TMP26:%.*]] = fadd fast float [[TMP1]], 5.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP27:%.*]] = or i64 [[INDEX]], 5
> +; VEC4_INTERL2-NEXT: [[TMP28:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP27]]
> +; VEC4_INTERL2-NEXT: store float [[TMP26]], float* [[TMP28]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE13]]
> +; VEC4_INTERL2: pred.store.continue13:
> +; VEC4_INTERL2-NEXT: [[TMP29:%.*]] = extractelement <4 x i1> [[TMP7]], i32 2
> +; VEC4_INTERL2-NEXT: br i1 [[TMP29]], label [[PRED_STORE_IF14:%.*]], label [[PRED_STORE_CONTINUE15:%.*]]
> +; VEC4_INTERL2: pred.store.if14:
> +; VEC4_INTERL2-NEXT: [[TMP30:%.*]] = fadd fast float [[TMP1]], 6.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP31:%.*]] = or i64 [[INDEX]], 6
> +; VEC4_INTERL2-NEXT: [[TMP32:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP31]]
> +; VEC4_INTERL2-NEXT: store float [[TMP30]], float* [[TMP32]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE15]]
> +; VEC4_INTERL2: pred.store.continue15:
> +; VEC4_INTERL2-NEXT: [[TMP33:%.*]] = extractelement <4 x i1> [[TMP7]], i32 3
> +; VEC4_INTERL2-NEXT: br i1 [[TMP33]], label [[PRED_STORE_IF16:%.*]], label [[PRED_STORE_CONTINUE17]]
> +; VEC4_INTERL2: pred.store.if16:
> +; VEC4_INTERL2-NEXT: [[TMP34:%.*]] = fadd fast float [[TMP1]], 7.000000e+00
> +; VEC4_INTERL2-NEXT: [[TMP35:%.*]] = or i64 [[INDEX]], 7
> +; VEC4_INTERL2-NEXT: [[TMP36:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP35]]
> +; VEC4_INTERL2-NEXT: store float [[TMP34]], float* [[TMP36]], align 4
> +; VEC4_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE17]]
> +; VEC4_INTERL2: pred.store.continue17:
> +; VEC4_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; VEC4_INTERL2-NEXT: [[TMP37:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[TMP37]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
> +; VEC4_INTERL2: middle.block:
> +; VEC4_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; VEC4_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; VEC4_INTERL2: scalar.ph:
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; VEC4_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[CAST_CRD]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; VEC4_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC4_INTERL2: for.body:
> +; VEC4_INTERL2-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC4_INTERL2-NEXT: [[VAR0:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; VEC4_INTERL2-NEXT: [[VAR1:%.*]] = load float, float* [[VAR0]], align 4
> +; VEC4_INTERL2-NEXT: [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
> +; VEC4_INTERL2-NEXT: br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
> +; VEC4_INTERL2: if.pred:
> +; VEC4_INTERL2-NEXT: store float [[J]], float* [[VAR0]], align 4
> +; VEC4_INTERL2-NEXT: br label [[FOR_INC]]
> +; VEC4_INTERL2: for.inc:
> +; VEC4_INTERL2-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; VEC4_INTERL2-NEXT: [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
> +; VEC4_INTERL2-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; VEC4_INTERL2-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
> +; VEC4_INTERL2: for.end:
> +; VEC4_INTERL2-NEXT: ret void
> +;
> +; VEC1_INTERL2-LABEL: @non_primary_iv_float_scalar(
> +; VEC1_INTERL2-NEXT: entry:
> +; VEC1_INTERL2-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; VEC1_INTERL2-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; VEC1_INTERL2-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC1_INTERL2: vector.ph:
> +; VEC1_INTERL2-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
> +; VEC1_INTERL2-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC1_INTERL2-NEXT: br label [[VECTOR_BODY:%.*]]
> +; VEC1_INTERL2: vector.body:
> +; VEC1_INTERL2-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE5:%.*]] ]
> +; VEC1_INTERL2-NEXT: [[INDUCTION2:%.*]] = or i64 [[INDEX]], 1
> +; VEC1_INTERL2-NEXT: [[TMP0:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC1_INTERL2-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC1_INTERL2-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDUCTION2]]
> +; VEC1_INTERL2-NEXT: [[TMP3:%.*]] = load float, float* [[TMP1]], align 4
> +; VEC1_INTERL2-NEXT: [[TMP4:%.*]] = load float, float* [[TMP2]], align 4
> +; VEC1_INTERL2-NEXT: [[TMP5:%.*]] = fcmp fast oeq float [[TMP3]], 0.000000e+00
> +; VEC1_INTERL2-NEXT: [[TMP6:%.*]] = fcmp fast oeq float [[TMP4]], 0.000000e+00
> +; VEC1_INTERL2-NEXT: br i1 [[TMP5]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; VEC1_INTERL2: pred.store.if:
> +; VEC1_INTERL2-NEXT: store float [[TMP0]], float* [[TMP1]], align 4
> +; VEC1_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; VEC1_INTERL2: pred.store.continue:
> +; VEC1_INTERL2-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF4:%.*]], label [[PRED_STORE_CONTINUE5]]
> +; VEC1_INTERL2: pred.store.if4:
> +; VEC1_INTERL2-NEXT: [[TMP7:%.*]] = fadd fast float [[TMP0]], 1.000000e+00
> +; VEC1_INTERL2-NEXT: store float [[TMP7]], float* [[TMP2]], align 4
> +; VEC1_INTERL2-NEXT: br label [[PRED_STORE_CONTINUE5]]
> +; VEC1_INTERL2: pred.store.continue5:
> +; VEC1_INTERL2-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; VEC1_INTERL2-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; VEC1_INTERL2: middle.block:
> +; VEC1_INTERL2-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; VEC1_INTERL2-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; VEC1_INTERL2: scalar.ph:
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; VEC1_INTERL2-NEXT: [[BC_RESUME_VAL1:%.*]] = phi float [ [[CAST_CRD]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; VEC1_INTERL2-NEXT: br label [[FOR_BODY:%.*]]
> +; VEC1_INTERL2: for.body:
> +; VEC1_INTERL2-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; VEC1_INTERL2-NEXT: [[VAR0:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; VEC1_INTERL2-NEXT: [[VAR1:%.*]] = load float, float* [[VAR0]], align 4
> +; VEC1_INTERL2-NEXT: [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
> +; VEC1_INTERL2-NEXT: br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
> +; VEC1_INTERL2: if.pred:
> +; VEC1_INTERL2-NEXT: store float [[J]], float* [[VAR0]], align 4
> +; VEC1_INTERL2-NEXT: br label [[FOR_INC]]
> +; VEC1_INTERL2: for.inc:
> +; VEC1_INTERL2-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; VEC1_INTERL2-NEXT: [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
> +; VEC1_INTERL2-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; VEC1_INTERL2-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; VEC1_INTERL2: for.end:
> +; VEC1_INTERL2-NEXT: ret void
> +;
> ; VEC2_INTERL1_PRED_STORE-LABEL: @non_primary_iv_float_scalar(
> +; VEC2_INTERL1_PRED_STORE-NEXT: entry:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY:%.*]], label [[VECTOR_PH:%.*]]
> +; VEC2_INTERL1_PRED_STORE: vector.ph:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CAST_CRD:%.*]] = sitofp i64 [[N_VEC]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[VECTOR_BODY:%.*]]
> ; VEC2_INTERL1_PRED_STORE: vector.body:
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[PRED_STORE_CONTINUE7:.*]] ]
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = sitofp i64 [[INDEX]] to float
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <2 x float>*
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP3]], align 4
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = fcmp fast oeq <2 x float> [[WIDE_LOAD]], zeroinitializer
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP4]], i32 0
> -; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP5]], label %[[PRED_STORE_IF:.*]], label %[[PRED_STORE_CONTINUE:.*]]
> -; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF]]:
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[GEP0:%.*]] = getelementptr inbounds float, float* %A, i64 [[INDEX]]
> -; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP1]], float* [[GEP0]], align 4
> -; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE]]
> -; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE]]:
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = extractelement <2 x i1> [[TMP4]], i32 1
> -; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP8]], label %[[PRED_STORE_IF6:.*]], label %[[PRED_STORE_CONTINUE7]]
> -; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_IF6]]:
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP9:%.*]] = fadd fast float [[TMP1]], 1.000000e+00
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP10:%.*]] = or i64 [[INDEX]], 1
> -; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* %A, i64 [[TMP10]]
> -; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP9]], float* [[TMP11]], align 4
> -; VEC2_INTERL1_PRED_STORE-NEXT: br label %[[PRED_STORE_CONTINUE7]]
> -; VEC2_INTERL1_PRED_STORE: [[PRED_STORE_CONTINUE7]]:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_STORE_CONTINUE3:%.*]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP0:%.*]] = sitofp i64 [[INDEX]] to float
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP1:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP2:%.*]] = bitcast float* [[TMP1]] to <2 x float>*
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP2]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP3:%.*]] = fcmp fast oeq <2 x float> [[WIDE_LOAD]], zeroinitializer
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP4:%.*]] = extractelement <2 x i1> [[TMP3]], i32 0
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP4]], label [[PRED_STORE_IF:%.*]], label [[PRED_STORE_CONTINUE:%.*]]
> +; VEC2_INTERL1_PRED_STORE: pred.store.if:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDEX]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP0]], float* [[TMP5]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[PRED_STORE_CONTINUE]]
> +; VEC2_INTERL1_PRED_STORE: pred.store.continue:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP3]], i32 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP6]], label [[PRED_STORE_IF2:%.*]], label [[PRED_STORE_CONTINUE3]]
> +; VEC2_INTERL1_PRED_STORE: pred.store.if2:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP7:%.*]] = fadd fast float [[TMP0]], 1.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP8:%.*]] = or i64 [[INDEX]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP8]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[TMP7]], float* [[TMP9]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[PRED_STORE_CONTINUE3]]
> +; VEC2_INTERL1_PRED_STORE: pred.store.continue3:
> ; VEC2_INTERL1_PRED_STORE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> -; VEC2_INTERL1_PRED_STORE: br i1 {{.*}}, label %middle.block, label %vector.body
> -
> -define void @non_primary_iv_float_scalar(float* %A, i64 %N) {
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP12:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: middle.block:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[FOR_BODY]]
> +; VEC2_INTERL1_PRED_STORE: for.body:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[J:%.*]] = phi float [ [[J_NEXT:%.*]], [[FOR_INC]] ], [ [[CAST_CRD]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VAR0:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VAR1:%.*]] = load float, float* [[VAR0]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[VAR2:%.*]] = fcmp fast oeq float [[VAR1]], 0.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[VAR2]], label [[IF_PRED:%.*]], label [[FOR_INC]]
> +; VEC2_INTERL1_PRED_STORE: if.pred:
> +; VEC2_INTERL1_PRED_STORE-NEXT: store float [[J]], float* [[VAR0]], align 4
> +; VEC2_INTERL1_PRED_STORE-NEXT: br label [[FOR_INC]]
> +; VEC2_INTERL1_PRED_STORE: for.inc:
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[J_NEXT]] = fadd fast float [[J]], 1.000000e+00
> +; VEC2_INTERL1_PRED_STORE-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; VEC2_INTERL1_PRED_STORE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP13:![0-9]+]]
> +; VEC2_INTERL1_PRED_STORE: for.end:
> +; VEC2_INTERL1_PRED_STORE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> for.body:
> %i = phi i64 [ %i.next, %for.inc ], [ 0, %entry ]
> %j = phi float [ %j.next, %for.inc ], [ 0.0, %entry ]
> - %tmp0 = getelementptr inbounds float, float* %A, i64 %i
> - %tmp1 = load float, float* %tmp0, align 4
> - %tmp2 = fcmp fast oeq float %tmp1, 0.0
> - br i1 %tmp2, label %if.pred, label %for.inc
> + %var0 = getelementptr inbounds float, float* %A, i64 %i
> + %var1 = load float, float* %var0, align 4
> + %var2 = fcmp fast oeq float %var1, 0.0
> + br i1 %var2, label %if.pred, label %for.inc
>
> if.pred:
> - store float %j, float* %tmp0, align 4
> + store float %j, float* %var0, align 4
> br label %for.inc
>
> for.inc:
>
> diff --git a/llvm/test/Transforms/LoopVectorize/induction.ll b/llvm/test/Transforms/LoopVectorize/induction.ll
> index 75326216c6d7..f649b6ad026f 100644
> --- a/llvm/test/Transforms/LoopVectorize/induction.ll
> +++ b/llvm/test/Transforms/LoopVectorize/induction.ll
> @@ -1,3 +1,4 @@
> +; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -S | FileCheck %s
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 -instcombine -S | FileCheck %s --check-prefix=IND
> ; RUN: opt < %s -loop-vectorize -force-vector-interleave=2 -force-vector-width=2 -instcombine -S | FileCheck %s --check-prefix=UNROLL
> @@ -8,19 +9,237 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
>
> ; Make sure that we can handle multiple integer induction variables.
> ;
> +define void @multi_int_induction(i32* %A, i32 %N) {
> ; CHECK-LABEL: @multi_int_induction(
> +; CHECK-NEXT: for.body.lr.ph:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; CHECK-NEXT: [[IND_END:%.*]] = add i32 190, [[CAST_CRD]]
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> -; CHECK-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK-NEXT: %vec.ind = phi <2 x i32> [ <i32 190, i32 191>, %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; CHECK: [[TMP3:%.*]] = add i64 %index, 0
> -; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* %A, i64 [[TMP3]]
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 190, i32 191>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP3]]
> ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
> ; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <2 x i32>*
> -; CHECK-NEXT: store <2 x i32> %vec.ind, <2 x i32>* [[TMP6]], align 4
> -; CHECK: %index.next = add nuw i64 %index, 2
> -; CHECK-NEXT: %vec.ind.next = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
> -define void @multi_int_induction(i32* %A, i32 %N) {
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP6]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH:%.*]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 190, [[FOR_BODY_LR_PH]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[COUNT_09]], i32* [[ARRAYIDX2]], align 4
> +; CHECK-NEXT: [[INC]] = add nsw i32 [[COUNT_09]], 1
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i32 [[LFTR_WIDEIV]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP2:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @multi_int_induction(
> +; IND-NEXT: for.body.lr.ph:
> +; IND-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; IND-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; IND-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; IND-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; IND-NEXT: [[IND_END:%.*]] = add i32 [[CAST_CRD]], 190
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 190, i32 191>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; IND-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP4]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH:%.*]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 190, [[FOR_BODY_LR_PH]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; IND-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; IND-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
> +; IND-NEXT: store i32 [[COUNT_09]], i32* [[ARRAYIDX2]], align 4
> +; IND-NEXT: [[INC]] = add nsw i32 [[COUNT_09]], 1
> +; IND-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
> +; IND-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; IND-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; IND-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @multi_int_induction(
> +; UNROLL-NEXT: for.body.lr.ph:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; UNROLL-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; UNROLL-NEXT: [[IND_END:%.*]] = add i32 [[CAST_CRD]], 190
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 190, i32 191>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP4]], align 4
> +; UNROLL-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i64 2
> +; UNROLL-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP6]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH:%.*]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 190, [[FOR_BODY_LR_PH]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
> +; UNROLL-NEXT: store i32 [[COUNT_09]], i32* [[ARRAYIDX2]], align 4
> +; UNROLL-NEXT: [[INC]] = add nsw i32 [[COUNT_09]], 1
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; UNROLL-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @multi_int_induction(
> +; UNROLL-NO-IC-NEXT: for.body.lr.ph:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = add i32 190, [[CAST_CRD]]
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 190, i32 191>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP8]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP10]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 190, [[FOR_BODY_LR_PH]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[COUNT_09]], i32* [[ARRAYIDX2]], align 4
> +; UNROLL-NO-IC-NEXT: [[INC]] = add nsw i32 [[COUNT_09]], 1
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp ne i32 [[LFTR_WIDEIV]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP2:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @multi_int_induction(
> +; INTERLEAVE-NEXT: for.body.lr.ph:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584
> +; INTERLEAVE-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = add i32 [[CAST_CRD]], 190
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 190, i32 191, i32 192, i32 193>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND]], <4 x i32>* [[TMP4]], align 4
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i64 4
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD]], <4 x i32>* [[TMP6]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_LR_PH:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 190, [[FOR_BODY_LR_PH]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[COUNT_09:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
> +; INTERLEAVE-NEXT: store i32 [[COUNT_09]], i32* [[ARRAYIDX2]], align 4
> +; INTERLEAVE-NEXT: [[INC]] = add nsw i32 [[COUNT_09]], 1
> +; INTERLEAVE-NEXT: [[INDVARS_IV_NEXT]] = add i64 [[INDVARS_IV]], 1
> +; INTERLEAVE-NEXT: [[LFTR_WIDEIV:%.*]] = trunc i64 [[INDVARS_IV_NEXT]] to i32
> +; INTERLEAVE-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP2:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret void
> +;
> for.body.lr.ph:
> br label %for.body
>
> @@ -44,16 +263,367 @@ for.end:
> ; create in the loop vectorizer we need to perform some form of redundancy
> ; elimination to get rid of multiple uses.
>
> -; IND-LABEL: scalar_use
>
> -; IND: br label %vector.body
> -; IND: vector.body:
> ; Vectorized induction variable.
> -; IND-NOT: insertelement <2 x i64>
> -; IND-NOT: shufflevector <2 x i64>
> -; IND: br {{.*}}, label %vector.body
>
> define void @scalar_use(float* %a, float %b, i64 %offset, i64 %offset2, i64 %n) {
> +; CHECK-LABEL: @scalar_use(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; CHECK: vector.memcheck:
> +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr float, float* [[A:%.*]], i64 [[OFFSET:%.*]]
> +; CHECK-NEXT: [[SCEVGEP1:%.*]] = bitcast float* [[SCEVGEP]] to i8*
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], [[OFFSET]]
> +; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr float, float* [[A]], i64 [[TMP0]]
> +; CHECK-NEXT: [[SCEVGEP23:%.*]] = bitcast float* [[SCEVGEP2]] to i8*
> +; CHECK-NEXT: [[SCEVGEP4:%.*]] = getelementptr float, float* [[A]], i64 [[OFFSET2:%.*]]
> +; CHECK-NEXT: [[SCEVGEP45:%.*]] = bitcast float* [[SCEVGEP4]] to i8*
> +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[N]], [[OFFSET2]]
> +; CHECK-NEXT: [[SCEVGEP6:%.*]] = getelementptr float, float* [[A]], i64 [[TMP1]]
> +; CHECK-NEXT: [[SCEVGEP67:%.*]] = bitcast float* [[SCEVGEP6]] to i8*
> +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[SCEVGEP1]], [[SCEVGEP67]]
> +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP45]], [[SCEVGEP23]]
> +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[B:%.*]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[TMP2]], [[OFFSET]]
> +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP3]]
> +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[TMP4]], i32 0
> +; CHECK-NEXT: [[TMP6:%.*]] = bitcast float* [[TMP5]] to <2 x float>*
> +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP6]], align 4, !alias.scope !4, !noalias !7
> +; CHECK-NEXT: [[TMP7:%.*]] = add i64 [[TMP2]], [[OFFSET2]]
> +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP7]]
> +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[TMP8]], i32 0
> +; CHECK-NEXT: [[TMP10:%.*]] = bitcast float* [[TMP9]] to <2 x float>*
> +; CHECK-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x float>, <2 x float>* [[TMP10]], align 4, !alias.scope !7
> +; CHECK-NEXT: [[TMP11:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT]], [[WIDE_LOAD8]]
> +; CHECK-NEXT: [[TMP12:%.*]] = fadd fast <2 x float> [[WIDE_LOAD]], [[TMP11]]
> +; CHECK-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP5]] to <2 x float>*
> +; CHECK-NEXT: store <2 x float> [[TMP12]], <2 x float>* [[TMP13]], align 4, !alias.scope !4, !noalias !7
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[IND_SUM:%.*]] = add i64 [[IV]], [[OFFSET]]
> +; CHECK-NEXT: [[ARR_IDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM]]
> +; CHECK-NEXT: [[L1:%.*]] = load float, float* [[ARR_IDX]], align 4
> +; CHECK-NEXT: [[IND_SUM2:%.*]] = add i64 [[IV]], [[OFFSET2]]
> +; CHECK-NEXT: [[ARR_IDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM2]]
> +; CHECK-NEXT: [[L2:%.*]] = load float, float* [[ARR_IDX2]], align 4
> +; CHECK-NEXT: [[M:%.*]] = fmul fast float [[B]], [[L2]]
> +; CHECK-NEXT: [[AD:%.*]] = fadd fast float [[L1]], [[M]]
> +; CHECK-NEXT: store float [[AD]], float* [[ARR_IDX]], align 4
> +; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; CHECK: loopexit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @scalar_use(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; IND: vector.memcheck:
> +; IND-NEXT: [[SCEVGEP:%.*]] = getelementptr float, float* [[A:%.*]], i64 [[OFFSET:%.*]]
> +; IND-NEXT: [[TMP0:%.*]] = add i64 [[N]], [[OFFSET]]
> +; IND-NEXT: [[SCEVGEP2:%.*]] = getelementptr float, float* [[A]], i64 [[TMP0]]
> +; IND-NEXT: [[SCEVGEP4:%.*]] = getelementptr float, float* [[A]], i64 [[OFFSET2:%.*]]
> +; IND-NEXT: [[TMP1:%.*]] = add i64 [[N]], [[OFFSET2]]
> +; IND-NEXT: [[SCEVGEP6:%.*]] = getelementptr float, float* [[A]], i64 [[TMP1]]
> +; IND-NEXT: [[BOUND0:%.*]] = icmp ult float* [[SCEVGEP]], [[SCEVGEP6]]
> +; IND-NEXT: [[BOUND1:%.*]] = icmp ult float* [[SCEVGEP4]], [[SCEVGEP2]]
> +; IND-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; IND-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -2
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[B:%.*]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], [[OFFSET]]
> +; IND-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP2]]
> +; IND-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
> +; IND-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP4]], align 4, !alias.scope !4, !noalias !7
> +; IND-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], [[OFFSET2]]
> +; IND-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP5]]
> +; IND-NEXT: [[TMP7:%.*]] = bitcast float* [[TMP6]] to <2 x float>*
> +; IND-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x float>, <2 x float>* [[TMP7]], align 4, !alias.scope !7
> +; IND-NEXT: [[TMP8:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT]], [[WIDE_LOAD8]]
> +; IND-NEXT: [[TMP9:%.*]] = fadd fast <2 x float> [[WIDE_LOAD]], [[TMP8]]
> +; IND-NEXT: [[TMP10:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
> +; IND-NEXT: store <2 x float> [[TMP9]], <2 x float>* [[TMP10]], align 4, !alias.scope !4, !noalias !7
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; IND-NEXT: [[IND_SUM:%.*]] = add i64 [[IV]], [[OFFSET]]
> +; IND-NEXT: [[ARR_IDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM]]
> +; IND-NEXT: [[L1:%.*]] = load float, float* [[ARR_IDX]], align 4
> +; IND-NEXT: [[IND_SUM2:%.*]] = add i64 [[IV]], [[OFFSET2]]
> +; IND-NEXT: [[ARR_IDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM2]]
> +; IND-NEXT: [[L2:%.*]] = load float, float* [[ARR_IDX2]], align 4
> +; IND-NEXT: [[M:%.*]] = fmul fast float [[L2]], [[B]]
> +; IND-NEXT: [[AD:%.*]] = fadd fast float [[L1]], [[M]]
> +; IND-NEXT: store float [[AD]], float* [[ARR_IDX]], align 4
> +; IND-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; IND-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; IND: loopexit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @scalar_use(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL: vector.memcheck:
> +; UNROLL-NEXT: [[SCEVGEP:%.*]] = getelementptr float, float* [[A:%.*]], i64 [[OFFSET:%.*]]
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i64 [[N]], [[OFFSET]]
> +; UNROLL-NEXT: [[SCEVGEP2:%.*]] = getelementptr float, float* [[A]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[SCEVGEP4:%.*]] = getelementptr float, float* [[A]], i64 [[OFFSET2:%.*]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = add i64 [[N]], [[OFFSET2]]
> +; UNROLL-NEXT: [[SCEVGEP6:%.*]] = getelementptr float, float* [[A]], i64 [[TMP1]]
> +; UNROLL-NEXT: [[BOUND0:%.*]] = icmp ult float* [[SCEVGEP]], [[SCEVGEP6]]
> +; UNROLL-NEXT: [[BOUND1:%.*]] = icmp ult float* [[SCEVGEP4]], [[SCEVGEP2]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -4
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[B:%.*]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT11:%.*]] = insertelement <2 x float> poison, float [[B]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT12:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT11]], <2 x float> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], [[OFFSET]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP2]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
> +; UNROLL-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP4]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[TMP3]], i64 2
> +; UNROLL-NEXT: [[TMP6:%.*]] = bitcast float* [[TMP5]] to <2 x float>*
> +; UNROLL-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x float>, <2 x float>* [[TMP6]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], [[OFFSET2]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP7]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <2 x float>*
> +; UNROLL-NEXT: [[WIDE_LOAD9:%.*]] = load <2 x float>, <2 x float>* [[TMP9]], align 4, !alias.scope !7
> +; UNROLL-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[TMP8]], i64 2
> +; UNROLL-NEXT: [[TMP11:%.*]] = bitcast float* [[TMP10]] to <2 x float>*
> +; UNROLL-NEXT: [[WIDE_LOAD10:%.*]] = load <2 x float>, <2 x float>* [[TMP11]], align 4, !alias.scope !7
> +; UNROLL-NEXT: [[TMP12:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT]], [[WIDE_LOAD9]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT12]], [[WIDE_LOAD10]]
> +; UNROLL-NEXT: [[TMP14:%.*]] = fadd fast <2 x float> [[WIDE_LOAD]], [[TMP12]]
> +; UNROLL-NEXT: [[TMP15:%.*]] = fadd fast <2 x float> [[WIDE_LOAD8]], [[TMP13]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = bitcast float* [[TMP3]] to <2 x float>*
> +; UNROLL-NEXT: store <2 x float> [[TMP14]], <2 x float>* [[TMP16]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NEXT: [[TMP17:%.*]] = bitcast float* [[TMP5]] to <2 x float>*
> +; UNROLL-NEXT: store <2 x float> [[TMP15]], <2 x float>* [[TMP17]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[IND_SUM:%.*]] = add i64 [[IV]], [[OFFSET]]
> +; UNROLL-NEXT: [[ARR_IDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM]]
> +; UNROLL-NEXT: [[L1:%.*]] = load float, float* [[ARR_IDX]], align 4
> +; UNROLL-NEXT: [[IND_SUM2:%.*]] = add i64 [[IV]], [[OFFSET2]]
> +; UNROLL-NEXT: [[ARR_IDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM2]]
> +; UNROLL-NEXT: [[L2:%.*]] = load float, float* [[ARR_IDX2]], align 4
> +; UNROLL-NEXT: [[M:%.*]] = fmul fast float [[L2]], [[B]]
> +; UNROLL-NEXT: [[AD:%.*]] = fadd fast float [[L1]], [[M]]
> +; UNROLL-NEXT: store float [[AD]], float* [[ARR_IDX]], align 4
> +; UNROLL-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; UNROLL: loopexit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @scalar_use(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-IC: vector.memcheck:
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP:%.*]] = getelementptr float, float* [[A:%.*]], i64 [[OFFSET:%.*]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP1:%.*]] = bitcast float* [[SCEVGEP]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[N]], [[OFFSET]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP2:%.*]] = getelementptr float, float* [[A]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP23:%.*]] = bitcast float* [[SCEVGEP2]] to i8*
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP4:%.*]] = getelementptr float, float* [[A]], i64 [[OFFSET2:%.*]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP45:%.*]] = bitcast float* [[SCEVGEP4]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[N]], [[OFFSET2]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP6:%.*]] = getelementptr float, float* [[A]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP67:%.*]] = bitcast float* [[SCEVGEP6]] to i8*
> +; UNROLL-NO-IC-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[SCEVGEP1]], [[SCEVGEP67]]
> +; UNROLL-NO-IC-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[SCEVGEP45]], [[SCEVGEP23]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-IC-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x float> poison, float [[B:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT]], <2 x float> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT11:%.*]] = insertelement <2 x float> poison, float [[B]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT12:%.*]] = shufflevector <2 x float> [[BROADCAST_SPLATINSERT11]], <2 x float> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[TMP2]], [[OFFSET]]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i64 [[TMP3]], [[OFFSET]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[TMP6]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* [[TMP9]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[TMP6]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = bitcast float* [[TMP10]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD8:%.*]] = load <2 x float>, <2 x float>* [[TMP11]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = add i64 [[TMP2]], [[OFFSET2]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = add i64 [[TMP3]], [[OFFSET2]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP12]]
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP13]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = getelementptr inbounds float, float* [[TMP14]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = bitcast float* [[TMP16]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD9:%.*]] = load <2 x float>, <2 x float>* [[TMP17]], align 4, !alias.scope !7
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = getelementptr inbounds float, float* [[TMP14]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = bitcast float* [[TMP18]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD10:%.*]] = load <2 x float>, <2 x float>* [[TMP19]], align 4, !alias.scope !7
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT]], [[WIDE_LOAD9]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = fmul fast <2 x float> [[BROADCAST_SPLAT12]], [[WIDE_LOAD10]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = fadd fast <2 x float> [[WIDE_LOAD]], [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = fadd fast <2 x float> [[WIDE_LOAD8]], [[TMP21]]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = bitcast float* [[TMP8]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: store <2 x float> [[TMP22]], <2 x float>* [[TMP24]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = bitcast float* [[TMP10]] to <2 x float>*
> +; UNROLL-NO-IC-NEXT: store <2 x float> [[TMP23]], <2 x float>* [[TMP25]], align 4, !alias.scope !4, !noalias !7
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[IND_SUM:%.*]] = add i64 [[IV]], [[OFFSET]]
> +; UNROLL-NO-IC-NEXT: [[ARR_IDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM]]
> +; UNROLL-NO-IC-NEXT: [[L1:%.*]] = load float, float* [[ARR_IDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[IND_SUM2:%.*]] = add i64 [[IV]], [[OFFSET2]]
> +; UNROLL-NO-IC-NEXT: [[ARR_IDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM2]]
> +; UNROLL-NO-IC-NEXT: [[L2:%.*]] = load float, float* [[ARR_IDX2]], align 4
> +; UNROLL-NO-IC-NEXT: [[M:%.*]] = fmul fast float [[B]], [[L2]]
> +; UNROLL-NO-IC-NEXT: [[AD:%.*]] = fadd fast float [[L1]], [[M]]
> +; UNROLL-NO-IC-NEXT: store float [[AD]], float* [[ARR_IDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; UNROLL-NO-IC: loopexit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @scalar_use(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; INTERLEAVE: vector.memcheck:
> +; INTERLEAVE-NEXT: [[SCEVGEP:%.*]] = getelementptr float, float* [[A:%.*]], i64 [[OFFSET:%.*]]
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i64 [[N]], [[OFFSET]]
> +; INTERLEAVE-NEXT: [[SCEVGEP2:%.*]] = getelementptr float, float* [[A]], i64 [[TMP0]]
> +; INTERLEAVE-NEXT: [[SCEVGEP4:%.*]] = getelementptr float, float* [[A]], i64 [[OFFSET2:%.*]]
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = add i64 [[N]], [[OFFSET2]]
> +; INTERLEAVE-NEXT: [[SCEVGEP6:%.*]] = getelementptr float, float* [[A]], i64 [[TMP1]]
> +; INTERLEAVE-NEXT: [[BOUND0:%.*]] = icmp ult float* [[SCEVGEP]], [[SCEVGEP6]]
> +; INTERLEAVE-NEXT: [[BOUND1:%.*]] = icmp ult float* [[SCEVGEP4]], [[SCEVGEP2]]
> +; INTERLEAVE-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; INTERLEAVE-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x float> poison, float [[B:%.*]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT]], <4 x float> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT11:%.*]] = insertelement <4 x float> poison, float [[B]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT12:%.*]] = shufflevector <4 x float> [[BROADCAST_SPLATINSERT11]], <4 x float> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], [[OFFSET]]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP2]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <4 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP4]], align 4, !alias.scope !4, !noalias !7
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[TMP3]], i64 4
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = bitcast float* [[TMP5]] to <4 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD8:%.*]] = load <4 x float>, <4 x float>* [[TMP6]], align 4, !alias.scope !4, !noalias !7
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add i64 [[INDEX]], [[OFFSET2]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP7]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP8]] to <4 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD9:%.*]] = load <4 x float>, <4 x float>* [[TMP9]], align 4, !alias.scope !7
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[TMP8]], i64 4
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = bitcast float* [[TMP10]] to <4 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD10:%.*]] = load <4 x float>, <4 x float>* [[TMP11]], align 4, !alias.scope !7
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = fmul fast <4 x float> [[BROADCAST_SPLAT]], [[WIDE_LOAD9]]
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = fmul fast <4 x float> [[BROADCAST_SPLAT12]], [[WIDE_LOAD10]]
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[WIDE_LOAD]], [[TMP12]]
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[WIDE_LOAD8]], [[TMP13]]
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = bitcast float* [[TMP3]] to <4 x float>*
> +; INTERLEAVE-NEXT: store <4 x float> [[TMP14]], <4 x float>* [[TMP16]], align 4, !alias.scope !4, !noalias !7
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = bitcast float* [[TMP5]] to <4 x float>*
> +; INTERLEAVE-NEXT: store <4 x float> [[TMP15]], <4 x float>* [[TMP17]], align 4, !alias.scope !4, !noalias !7
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[IND_SUM:%.*]] = add i64 [[IV]], [[OFFSET]]
> +; INTERLEAVE-NEXT: [[ARR_IDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM]]
> +; INTERLEAVE-NEXT: [[L1:%.*]] = load float, float* [[ARR_IDX]], align 4
> +; INTERLEAVE-NEXT: [[IND_SUM2:%.*]] = add i64 [[IV]], [[OFFSET2]]
> +; INTERLEAVE-NEXT: [[ARR_IDX2:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[IND_SUM2]]
> +; INTERLEAVE-NEXT: [[L2:%.*]] = load float, float* [[ARR_IDX2]], align 4
> +; INTERLEAVE-NEXT: [[M:%.*]] = fmul fast float [[L2]], [[B]]
> +; INTERLEAVE-NEXT: [[AD:%.*]] = fadd fast float [[L1]], [[M]]
> +; INTERLEAVE-NEXT: store float [[AD]], float* [[ARR_IDX]], align 4
> +; INTERLEAVE-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[LOOPEXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP10:![0-9]+]]
> +; INTERLEAVE: loopexit:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> @@ -82,34 +652,232 @@ loopexit:
> ; for (int i = 0; i < n; ++i)
> ; sum += a[i];
> ;
> -; CHECK-LABEL: @scalarize_induction_variable_01(
> -; CHECK: vector.body:
> -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK: %[[i0:.+]] = add i64 %index, 0
> -; CHECK: getelementptr inbounds i64, i64* %a, i64 %[[i0]]
> ;
> -; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_01(
> -; UNROLL-NO-IC: vector.body:
> -; UNROLL-NO-IC: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL-NO-IC: %[[i0:.+]] = add i64 %index, 0
> -; UNROLL-NO-IC: %[[i2:.+]] = add i64 %index, 2
> -; UNROLL-NO-IC: getelementptr inbounds i64, i64* %a, i64 %[[i0]]
> -; UNROLL-NO-IC: getelementptr inbounds i64, i64* %a, i64 %[[i2]]
> ;
> -; IND-LABEL: @scalarize_induction_variable_01(
> -; IND: vector.body:
> -; IND: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND-NOT: add i64 {{.*}}, 2
> -; IND: getelementptr inbounds i64, i64* %a, i64 %index
> ;
> -; UNROLL-LABEL: @scalarize_induction_variable_01(
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL-NOT: add i64 {{.*}}, 4
> -; UNROLL: %[[g1:.+]] = getelementptr inbounds i64, i64* %a, i64 %index
> -; UNROLL: getelementptr inbounds i64, i64* %[[g1]], i64 2
>
> define i64 @scalarize_induction_variable_01(i64 *%a, i64 %n) {
> +; CHECK-LABEL: @scalarize_induction_variable_01(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i64, i64* [[A:%.*]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, i64* [[TMP1]], i32 0
> +; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[TMP2]] to <2 x i64>*
> +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[TMP3]], align 8
> +; CHECK-NEXT: [[TMP4]] = add <2 x i64> [[WIDE_LOAD]], [[VEC_PHI]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP6:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[TMP4]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[SUM:%.*]] = phi i64 [ [[TMP9:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I]]
> +; CHECK-NEXT: [[TMP8:%.*]] = load i64, i64* [[TMP7]], align 8
> +; CHECK-NEXT: [[TMP9]] = add i64 [[TMP8]], [[SUM]]
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: [[TMP10:%.*]] = phi i64 [ [[TMP9]], [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i64 [[TMP10]]
> +;
> +; IND-LABEL: @scalarize_induction_variable_01(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, i64* [[A:%.*]], i64 [[INDEX]]
> +; IND-NEXT: [[TMP1:%.*]] = bitcast i64* [[TMP0]] to <2 x i64>*
> +; IND-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 8
> +; IND-NEXT: [[TMP2]] = add <2 x i64> [[WIDE_LOAD]], [[VEC_PHI]]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP4:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[TMP2]])
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ [[TMP4]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[SUM:%.*]] = phi i64 [ [[TMP7:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP5:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I]]
> +; IND-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP5]], align 8
> +; IND-NEXT: [[TMP7]] = add i64 [[TMP6]], [[SUM]]
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; IND-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: [[TMP8:%.*]] = phi i64 [ [[TMP7]], [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret i64 [[TMP8]]
> +;
> +; UNROLL-LABEL: @scalarize_induction_variable_01(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, i64* [[A:%.*]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = bitcast i64* [[TMP0]] to <2 x i64>*
> +; UNROLL-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[TMP1]], align 8
> +; UNROLL-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 2
> +; UNROLL-NEXT: [[TMP3:%.*]] = bitcast i64* [[TMP2]] to <2 x i64>*
> +; UNROLL-NEXT: [[WIDE_LOAD2:%.*]] = load <2 x i64>, <2 x i64>* [[TMP3]], align 8
> +; UNROLL-NEXT: [[TMP4]] = add <2 x i64> [[WIDE_LOAD]], [[VEC_PHI]]
> +; UNROLL-NEXT: [[TMP5]] = add <2 x i64> [[WIDE_LOAD2]], [[VEC_PHI1]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <2 x i64> [[TMP5]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[BIN_RDX]])
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ [[TMP7]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[SUM:%.*]] = phi i64 [ [[TMP10:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = load i64, i64* [[TMP8]], align 8
> +; UNROLL-NEXT: [[TMP10]] = add i64 [[TMP9]], [[SUM]]
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: [[TMP11:%.*]] = phi i64 [ [[TMP10]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i64 [[TMP11]]
> +;
> +; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_01(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, i64* [[A:%.*]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = getelementptr inbounds i64, i64* [[TMP2]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = bitcast i64* [[TMP4]] to <2 x i64>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i64>, <2 x i64>* [[TMP5]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i64, i64* [[TMP2]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = bitcast i64* [[TMP6]] to <2 x i64>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD2:%.*]] = load <2 x i64>, <2 x i64>* [[TMP7]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP8]] = add <2 x i64> [[WIDE_LOAD]], [[VEC_PHI]]
> +; UNROLL-NO-IC-NEXT: [[TMP9]] = add <2 x i64> [[WIDE_LOAD2]], [[VEC_PHI1]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <2 x i64> [[TMP9]], [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SUM:%.*]] = phi i64 [ [[TMP14:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = load i64, i64* [[TMP12]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP14]] = add i64 [[TMP13]], [[SUM]]
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = phi i64 [ [[TMP14]], [[FOR_BODY]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i64 [[TMP15]]
> +;
> +; INTERLEAVE-LABEL: @scalarize_induction_variable_01(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775800
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI:%.*]] = phi <4 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = getelementptr inbounds i64, i64* [[A:%.*]], i64 [[INDEX]]
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = bitcast i64* [[TMP0]] to <4 x i64>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i64>, <4 x i64>* [[TMP1]], align 8
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = getelementptr inbounds i64, i64* [[TMP0]], i64 4
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = bitcast i64* [[TMP2]] to <4 x i64>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD2:%.*]] = load <4 x i64>, <4 x i64>* [[TMP3]], align 8
> +; INTERLEAVE-NEXT: [[TMP4]] = add <4 x i64> [[WIDE_LOAD]], [[VEC_PHI]]
> +; INTERLEAVE-NEXT: [[TMP5]] = add <4 x i64> [[WIDE_LOAD2]], [[VEC_PHI1]]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP11:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = add <4 x i64> [[TMP5]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ [[TMP7]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[SUM:%.*]] = phi i64 [ [[TMP10:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = load i64, i64* [[TMP8]], align 8
> +; INTERLEAVE-NEXT: [[TMP10]] = add i64 [[TMP9]], [[SUM]]
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP12:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = phi i64 [ [[TMP10]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: ret i64 [[TMP11]]
> +;
> entry:
> br label %for.body
>
> @@ -135,55 +903,363 @@ for.end:
> ; for (int i ; 0; i < n; i += 8)
> ; s += (a[i] + b[i] + 1.0f);
> ;
> -; CHECK-LABEL: @scalarize_induction_variable_02(
> -; CHECK: vector.body:
> -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK: %offset.idx = mul i64 %index, 8
> -; CHECK: %[[i0:.+]] = add i64 %offset.idx, 0
> -; CHECK: %[[i1:.+]] = add i64 %offset.idx, 8
> -; CHECK: getelementptr inbounds float, float* %a, i64 %[[i0]]
> -; CHECK: getelementptr inbounds float, float* %a, i64 %[[i1]]
> -; CHECK: getelementptr inbounds float, float* %b, i64 %[[i0]]
> -; CHECK: getelementptr inbounds float, float* %b, i64 %[[i1]]
> ;
> -; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_02(
> -; UNROLL-NO-IC: vector.body:
> -; UNROLL-NO-IC: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL-NO-IC: %offset.idx = mul i64 %index, 8
> -; UNROLL-NO-IC: %[[i0:.+]] = add i64 %offset.idx, 0
> -; UNROLL-NO-IC: %[[i1:.+]] = add i64 %offset.idx, 8
> -; UNROLL-NO-IC: %[[i2:.+]] = add i64 %offset.idx, 16
> -; UNROLL-NO-IC: %[[i3:.+]] = add i64 %offset.idx, 24
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %a, i64 %[[i0]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %a, i64 %[[i1]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %a, i64 %[[i2]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %a, i64 %[[i3]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %b, i64 %[[i0]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %b, i64 %[[i1]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %b, i64 %[[i2]]
> -; UNROLL-NO-IC: getelementptr inbounds float, float* %b, i64 %[[i3]]
> ;
> -; IND-LABEL: @scalarize_induction_variable_02(
> -; IND: vector.body:
> -; IND: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND: %[[i0:.+]] = shl i64 %index, 3
> -; IND: %[[i1:.+]] = or i64 %[[i0]], 8
> -; IND: getelementptr inbounds float, float* %a, i64 %[[i0]]
> -; IND: getelementptr inbounds float, float* %a, i64 %[[i1]]
> ;
> -; UNROLL-LABEL: @scalarize_induction_variable_02(
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL: %[[i0:.+]] = shl i64 %index, 3
> -; UNROLL: %[[i1:.+]] = or i64 %[[i0]], 8
> -; UNROLL: %[[i2:.+]] = or i64 %[[i0]], 16
> -; UNROLL: %[[i3:.+]] = or i64 %[[i0]], 24
> -; UNROLL: getelementptr inbounds float, float* %a, i64 %[[i0]]
> -; UNROLL: getelementptr inbounds float, float* %a, i64 %[[i1]]
> -; UNROLL: getelementptr inbounds float, float* %a, i64 %[[i2]]
> -; UNROLL: getelementptr inbounds float, float* %a, i64 %[[i3]]
>
> define float @scalarize_induction_variable_02(float* %a, float* %b, i64 %n) {
> +; CHECK-LABEL: @scalarize_induction_variable_02(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 8)
> +; CHECK-NEXT: [[TMP0:%.*]] = add nsw i64 [[SMAX]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 3
> +; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], 8
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP19:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8
> +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 8
> +; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[TMP3]]
> +; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP4]]
> +; CHECK-NEXT: [[TMP7:%.*]] = load float, float* [[TMP5]], align 4
> +; CHECK-NEXT: [[TMP8:%.*]] = load float, float* [[TMP6]], align 4
> +; CHECK-NEXT: [[TMP9:%.*]] = insertelement <2 x float> poison, float [[TMP7]], i32 0
> +; CHECK-NEXT: [[TMP10:%.*]] = insertelement <2 x float> [[TMP9]], float [[TMP8]], i32 1
> +; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[TMP3]]
> +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP4]]
> +; CHECK-NEXT: [[TMP13:%.*]] = load float, float* [[TMP11]], align 4
> +; CHECK-NEXT: [[TMP14:%.*]] = load float, float* [[TMP12]], align 4
> +; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x float> poison, float [[TMP13]], i32 0
> +; CHECK-NEXT: [[TMP16:%.*]] = insertelement <2 x float> [[TMP15]], float [[TMP14]], i32 1
> +; CHECK-NEXT: [[TMP17:%.*]] = fadd fast <2 x float> [[VEC_PHI]], <float 1.000000e+00, float 1.000000e+00>
> +; CHECK-NEXT: [[TMP18:%.*]] = fadd fast <2 x float> [[TMP17]], [[TMP10]]
> +; CHECK-NEXT: [[TMP19]] = fadd fast <2 x float> [[TMP18]], [[TMP16]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP21:%.*]] = call fast float @llvm.vector.reduce.fadd.v2f32(float -0.000000e+00, <2 x float> [[TMP19]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ 0.000000e+00, [[ENTRY]] ], [ [[TMP21]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[S:%.*]] = phi float [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; CHECK-NEXT: [[TMP23:%.*]] = load float, float* [[TMP22]], align 4
> +; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[I]]
> +; CHECK-NEXT: [[TMP25:%.*]] = load float, float* [[TMP24]], align 4
> +; CHECK-NEXT: [[TMP26:%.*]] = fadd fast float [[S]], 1.000000e+00
> +; CHECK-NEXT: [[TMP27:%.*]] = fadd fast float [[TMP26]], [[TMP23]]
> +; CHECK-NEXT: [[TMP28]] = fadd fast float [[TMP27]], [[TMP25]]
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 8
> +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP14:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: [[S_LCSSA:%.*]] = phi float [ [[TMP28]], [[FOR_BODY]] ], [ [[TMP21]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret float [[S_LCSSA]]
> +;
> +; IND-LABEL: @scalarize_induction_variable_02(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 8)
> +; IND-NEXT: [[TMP0:%.*]] = add nsw i64 [[SMAX]], -1
> +; IND-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 3
> +; IND-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 8
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 4611686018427387902
> +; IND-NEXT: [[IND_END:%.*]] = shl i64 [[N_VEC]], 3
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_PHI:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 3
> +; IND-NEXT: [[TMP3:%.*]] = or i64 [[OFFSET_IDX]], 8
> +; IND-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[OFFSET_IDX]]
> +; IND-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP3]]
> +; IND-NEXT: [[TMP6:%.*]] = load float, float* [[TMP4]], align 4
> +; IND-NEXT: [[TMP7:%.*]] = load float, float* [[TMP5]], align 4
> +; IND-NEXT: [[TMP8:%.*]] = insertelement <2 x float> poison, float [[TMP6]], i32 0
> +; IND-NEXT: [[TMP9:%.*]] = insertelement <2 x float> [[TMP8]], float [[TMP7]], i32 1
> +; IND-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[OFFSET_IDX]]
> +; IND-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP3]]
> +; IND-NEXT: [[TMP12:%.*]] = load float, float* [[TMP10]], align 4
> +; IND-NEXT: [[TMP13:%.*]] = load float, float* [[TMP11]], align 4
> +; IND-NEXT: [[TMP14:%.*]] = insertelement <2 x float> poison, float [[TMP12]], i32 0
> +; IND-NEXT: [[TMP15:%.*]] = insertelement <2 x float> [[TMP14]], float [[TMP13]], i32 1
> +; IND-NEXT: [[TMP16:%.*]] = fadd fast <2 x float> [[VEC_PHI]], <float 1.000000e+00, float 1.000000e+00>
> +; IND-NEXT: [[TMP17:%.*]] = fadd fast <2 x float> [[TMP16]], [[TMP9]]
> +; IND-NEXT: [[TMP18]] = fadd fast <2 x float> [[TMP17]], [[TMP15]]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP20:%.*]] = call fast float @llvm.vector.reduce.fadd.v2f32(float -0.000000e+00, <2 x float> [[TMP18]])
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP20]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_BODY]] ]
> +; IND-NEXT: [[S:%.*]] = phi float [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP27:%.*]], [[FOR_BODY]] ]
> +; IND-NEXT: [[TMP21:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; IND-NEXT: [[TMP22:%.*]] = load float, float* [[TMP21]], align 4
> +; IND-NEXT: [[TMP23:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[I]]
> +; IND-NEXT: [[TMP24:%.*]] = load float, float* [[TMP23]], align 4
> +; IND-NEXT: [[TMP25:%.*]] = fadd fast float [[S]], 1.000000e+00
> +; IND-NEXT: [[TMP26:%.*]] = fadd fast float [[TMP25]], [[TMP22]]
> +; IND-NEXT: [[TMP27]] = fadd fast float [[TMP26]], [[TMP24]]
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 8
> +; IND-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP14:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: [[S_LCSSA:%.*]] = phi float [ [[TMP27]], [[FOR_BODY]] ], [ [[TMP20]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret float [[S_LCSSA]]
> +;
> +; UNROLL-LABEL: @scalarize_induction_variable_02(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 8)
> +; UNROLL-NEXT: [[TMP0:%.*]] = add nsw i64 [[SMAX]], -1
> +; UNROLL-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 3
> +; UNROLL-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 24
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 4611686018427387900
> +; UNROLL-NEXT: [[IND_END:%.*]] = shl i64 [[N_VEC]], 3
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP34:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI1:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP35:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i64 [[OFFSET_IDX]], 8
> +; UNROLL-NEXT: [[TMP4:%.*]] = or i64 [[OFFSET_IDX]], 16
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i64 [[OFFSET_IDX]], 24
> +; UNROLL-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[OFFSET_IDX]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP3]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP4]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP5]]
> +; UNROLL-NEXT: [[TMP10:%.*]] = load float, float* [[TMP6]], align 4
> +; UNROLL-NEXT: [[TMP11:%.*]] = load float, float* [[TMP7]], align 4
> +; UNROLL-NEXT: [[TMP12:%.*]] = insertelement <2 x float> poison, float [[TMP10]], i32 0
> +; UNROLL-NEXT: [[TMP13:%.*]] = insertelement <2 x float> [[TMP12]], float [[TMP11]], i32 1
> +; UNROLL-NEXT: [[TMP14:%.*]] = load float, float* [[TMP8]], align 4
> +; UNROLL-NEXT: [[TMP15:%.*]] = load float, float* [[TMP9]], align 4
> +; UNROLL-NEXT: [[TMP16:%.*]] = insertelement <2 x float> poison, float [[TMP14]], i32 0
> +; UNROLL-NEXT: [[TMP17:%.*]] = insertelement <2 x float> [[TMP16]], float [[TMP15]], i32 1
> +; UNROLL-NEXT: [[TMP18:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[OFFSET_IDX]]
> +; UNROLL-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP3]]
> +; UNROLL-NEXT: [[TMP20:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP4]]
> +; UNROLL-NEXT: [[TMP21:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP5]]
> +; UNROLL-NEXT: [[TMP22:%.*]] = load float, float* [[TMP18]], align 4
> +; UNROLL-NEXT: [[TMP23:%.*]] = load float, float* [[TMP19]], align 4
> +; UNROLL-NEXT: [[TMP24:%.*]] = insertelement <2 x float> poison, float [[TMP22]], i32 0
> +; UNROLL-NEXT: [[TMP25:%.*]] = insertelement <2 x float> [[TMP24]], float [[TMP23]], i32 1
> +; UNROLL-NEXT: [[TMP26:%.*]] = load float, float* [[TMP20]], align 4
> +; UNROLL-NEXT: [[TMP27:%.*]] = load float, float* [[TMP21]], align 4
> +; UNROLL-NEXT: [[TMP28:%.*]] = insertelement <2 x float> poison, float [[TMP26]], i32 0
> +; UNROLL-NEXT: [[TMP29:%.*]] = insertelement <2 x float> [[TMP28]], float [[TMP27]], i32 1
> +; UNROLL-NEXT: [[TMP30:%.*]] = fadd fast <2 x float> [[VEC_PHI]], <float 1.000000e+00, float 1.000000e+00>
> +; UNROLL-NEXT: [[TMP31:%.*]] = fadd fast <2 x float> [[VEC_PHI1]], <float 1.000000e+00, float 1.000000e+00>
> +; UNROLL-NEXT: [[TMP32:%.*]] = fadd fast <2 x float> [[TMP30]], [[TMP13]]
> +; UNROLL-NEXT: [[TMP33:%.*]] = fadd fast <2 x float> [[TMP31]], [[TMP17]]
> +; UNROLL-NEXT: [[TMP34]] = fadd fast <2 x float> [[TMP32]], [[TMP25]]
> +; UNROLL-NEXT: [[TMP35]] = fadd fast <2 x float> [[TMP33]], [[TMP29]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP36:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP36]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x float> [[TMP35]], [[TMP34]]
> +; UNROLL-NEXT: [[TMP37:%.*]] = call fast float @llvm.vector.reduce.fadd.v2f32(float -0.000000e+00, <2 x float> [[BIN_RDX]])
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP37]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[S:%.*]] = phi float [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP44:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP38:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; UNROLL-NEXT: [[TMP39:%.*]] = load float, float* [[TMP38]], align 4
> +; UNROLL-NEXT: [[TMP40:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[I]]
> +; UNROLL-NEXT: [[TMP41:%.*]] = load float, float* [[TMP40]], align 4
> +; UNROLL-NEXT: [[TMP42:%.*]] = fadd fast float [[S]], 1.000000e+00
> +; UNROLL-NEXT: [[TMP43:%.*]] = fadd fast float [[TMP42]], [[TMP39]]
> +; UNROLL-NEXT: [[TMP44]] = fadd fast float [[TMP43]], [[TMP41]]
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 8
> +; UNROLL-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP14:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: [[S_LCSSA:%.*]] = phi float [ [[TMP44]], [[FOR_BODY]] ], [ [[TMP37]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret float [[S_LCSSA]]
> +;
> +; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_02(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 8)
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add nsw i64 [[SMAX]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], 8
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP35:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP36:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = mul i64 [[INDEX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[OFFSET_IDX]], 8
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i64 [[OFFSET_IDX]], 16
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i64 [[OFFSET_IDX]], 24
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP6]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = load float, float* [[TMP7]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = load float, float* [[TMP8]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = insertelement <2 x float> poison, float [[TMP11]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = insertelement <2 x float> [[TMP13]], float [[TMP12]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = load float, float* [[TMP9]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = load float, float* [[TMP10]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = insertelement <2 x float> poison, float [[TMP15]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = insertelement <2 x float> [[TMP17]], float [[TMP16]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP6]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = load float, float* [[TMP19]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = load float, float* [[TMP20]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = insertelement <2 x float> poison, float [[TMP23]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = insertelement <2 x float> [[TMP25]], float [[TMP24]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = load float, float* [[TMP21]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = load float, float* [[TMP22]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = insertelement <2 x float> poison, float [[TMP27]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = insertelement <2 x float> [[TMP29]], float [[TMP28]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = fadd fast <2 x float> [[VEC_PHI]], <float 1.000000e+00, float 1.000000e+00>
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = fadd fast <2 x float> [[VEC_PHI1]], <float 1.000000e+00, float 1.000000e+00>
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = fadd fast <2 x float> [[TMP31]], [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = fadd fast <2 x float> [[TMP32]], [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[TMP35]] = fadd fast <2 x float> [[TMP33]], [[TMP26]]
> +; UNROLL-NO-IC-NEXT: [[TMP36]] = fadd fast <2 x float> [[TMP34]], [[TMP30]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP37]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = fadd fast <2 x float> [[TMP36]], [[TMP35]]
> +; UNROLL-NO-IC-NEXT: [[TMP38:%.*]] = call fast float @llvm.vector.reduce.fadd.v2f32(float -0.000000e+00, <2 x float> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ 0.000000e+00, [[ENTRY]] ], [ [[TMP38]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[S:%.*]] = phi float [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP45:%.*]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP39:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; UNROLL-NO-IC-NEXT: [[TMP40:%.*]] = load float, float* [[TMP39]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP41:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[I]]
> +; UNROLL-NO-IC-NEXT: [[TMP42:%.*]] = load float, float* [[TMP41]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP43:%.*]] = fadd fast float [[S]], 1.000000e+00
> +; UNROLL-NO-IC-NEXT: [[TMP44:%.*]] = fadd fast float [[TMP43]], [[TMP40]]
> +; UNROLL-NO-IC-NEXT: [[TMP45]] = fadd fast float [[TMP44]], [[TMP42]]
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 8
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP14:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: [[S_LCSSA:%.*]] = phi float [ [[TMP45]], [[FOR_BODY]] ], [ [[TMP38]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret float [[S_LCSSA]]
> +;
> +; INTERLEAVE-LABEL: @scalarize_induction_variable_02(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 8)
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add nsw i64 [[SMAX]], -1
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = lshr i64 [[TMP0]], 3
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 64
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_MOD_VF:%.*]] = and i64 [[TMP2]], 7
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i64 8, i64 [[N_MOD_VF]]
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = sub nsw i64 [[TMP2]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = shl i64 [[N_VEC]], 3
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP18:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI1:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP19:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[OFFSET_IDX:%.*]] = shl i64 [[INDEX]], 3
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = or i64 [[OFFSET_IDX]], 32
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[OFFSET_IDX]]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[TMP5]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = bitcast float* [[TMP6]] to <32 x float>*
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = bitcast float* [[TMP7]] to <32 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_VEC:%.*]] = load <32 x float>, <32 x float>* [[TMP8]], align 4
> +; INTERLEAVE-NEXT: [[WIDE_VEC2:%.*]] = load <32 x float>, <32 x float>* [[TMP9]], align 4
> +; INTERLEAVE-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <32 x float> [[WIDE_VEC]], <32 x float> poison, <4 x i32> <i32 0, i32 8, i32 16, i32 24>
> +; INTERLEAVE-NEXT: [[STRIDED_VEC3:%.*]] = shufflevector <32 x float> [[WIDE_VEC2]], <32 x float> poison, <4 x i32> <i32 0, i32 8, i32 16, i32 24>
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[OFFSET_IDX]]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[TMP5]]
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = bitcast float* [[TMP10]] to <32 x float>*
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = bitcast float* [[TMP11]] to <32 x float>*
> +; INTERLEAVE-NEXT: [[WIDE_VEC4:%.*]] = load <32 x float>, <32 x float>* [[TMP12]], align 4
> +; INTERLEAVE-NEXT: [[WIDE_VEC5:%.*]] = load <32 x float>, <32 x float>* [[TMP13]], align 4
> +; INTERLEAVE-NEXT: [[STRIDED_VEC6:%.*]] = shufflevector <32 x float> [[WIDE_VEC4]], <32 x float> poison, <4 x i32> <i32 0, i32 8, i32 16, i32 24>
> +; INTERLEAVE-NEXT: [[STRIDED_VEC7:%.*]] = shufflevector <32 x float> [[WIDE_VEC5]], <32 x float> poison, <4 x i32> <i32 0, i32 8, i32 16, i32 24>
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = fadd fast <4 x float> [[VEC_PHI]], <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = fadd fast <4 x float> [[VEC_PHI1]], <float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = fadd fast <4 x float> [[TMP14]], [[STRIDED_VEC]]
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = fadd fast <4 x float> [[TMP15]], [[STRIDED_VEC3]]
> +; INTERLEAVE-NEXT: [[TMP18]] = fadd fast <4 x float> [[TMP16]], [[STRIDED_VEC6]]
> +; INTERLEAVE-NEXT: [[TMP19]] = fadd fast <4 x float> [[TMP17]], [[STRIDED_VEC7]]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP13:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = fadd fast <4 x float> [[TMP19]], [[TMP18]]
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = call fast float @llvm.vector.reduce.fadd.v4f32(float -0.000000e+00, <4 x float> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: br label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP21]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[S:%.*]] = phi float [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP28:%.*]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[I]]
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = load float, float* [[TMP22]], align 4
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[I]]
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = load float, float* [[TMP24]], align 4
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = fadd fast float [[S]], 1.000000e+00
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = fadd fast float [[TMP26]], [[TMP23]]
> +; INTERLEAVE-NEXT: [[TMP28]] = fadd fast float [[TMP27]], [[TMP25]]
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 8
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !llvm.loop [[LOOP14:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret float [[TMP28]]
> +;
> entry:
> br label %for.body
>
> @@ -212,27 +1288,299 @@ for.end:
> ; for (int i = 0; i < n; ++i)
> ; a[i].f ^= y;
> ;
> -; INTERLEAVE-LABEL: @scalarize_induction_variable_03(
> -; INTERLEAVE: vector.body:
> -; INTERLEAVE: %[[i0:.+]] = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; INTERLEAVE: %[[i1:.+]] = or i64 %[[i0]], 1
> -; INTERLEAVE: %[[i2:.+]] = or i64 %[[i0]], 2
> -; INTERLEAVE: %[[i3:.+]] = or i64 %[[i0]], 3
> -; INTERLEAVE: %[[i4:.+]] = or i64 %[[i0]], 4
> -; INTERLEAVE: %[[i5:.+]] = or i64 %[[i0]], 5
> -; INTERLEAVE: %[[i6:.+]] = or i64 %[[i0]], 6
> -; INTERLEAVE: %[[i7:.+]] = or i64 %[[i0]], 7
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i0]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i1]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i2]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i3]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i4]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i5]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i6]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i7]], i32 1
>
> %pair.i32 = type { i32, i32 }
> define void @scalarize_induction_variable_03(%pair.i32 *%p, i32 %y, i64 %n) {
> +; CHECK-LABEL: @scalarize_induction_variable_03(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[Y:%.*]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 [[TMP0]], i32 1
> +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP1]], i32 1
> +; CHECK-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 8
> +; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]], align 8
> +; CHECK-NEXT: [[TMP6:%.*]] = insertelement <2 x i32> poison, i32 [[TMP4]], i32 0
> +; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> [[TMP6]], i32 [[TMP5]], i32 1
> +; CHECK-NEXT: [[TMP8:%.*]] = xor <2 x i32> [[TMP7]], [[BROADCAST_SPLAT]]
> +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i32> [[TMP8]], i32 0
> +; CHECK-NEXT: store i32 [[TMP9]], i32* [[TMP2]], align 8
> +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i32> [[TMP8]], i32 1
> +; CHECK-NEXT: store i32 [[TMP10]], i32* [[TMP3]], align 8
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[F:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[F]], align 8
> +; CHECK-NEXT: [[TMP13:%.*]] = xor i32 [[TMP12]], [[Y]]
> +; CHECK-NEXT: store i32 [[TMP13]], i32* [[F]], align 8
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP16:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @scalarize_induction_variable_03(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[Y:%.*]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = or i64 [[INDEX]], 1
> +; IND-NEXT: [[TMP1:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 [[INDEX]], i32 1
> +; IND-NEXT: [[TMP2:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP0]], i32 1
> +; IND-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]], align 8
> +; IND-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]], align 8
> +; IND-NEXT: [[TMP5:%.*]] = insertelement <2 x i32> poison, i32 [[TMP3]], i32 0
> +; IND-NEXT: [[TMP6:%.*]] = insertelement <2 x i32> [[TMP5]], i32 [[TMP4]], i32 1
> +; IND-NEXT: [[TMP7:%.*]] = xor <2 x i32> [[TMP6]], [[BROADCAST_SPLAT]]
> +; IND-NEXT: [[TMP8:%.*]] = extractelement <2 x i32> [[TMP7]], i32 0
> +; IND-NEXT: store i32 [[TMP8]], i32* [[TMP1]], align 8
> +; IND-NEXT: [[TMP9:%.*]] = extractelement <2 x i32> [[TMP7]], i32 1
> +; IND-NEXT: store i32 [[TMP9]], i32* [[TMP2]], align 8
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[F:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; IND-NEXT: [[TMP11:%.*]] = load i32, i32* [[F]], align 8
> +; IND-NEXT: [[TMP12:%.*]] = xor i32 [[TMP11]], [[Y]]
> +; IND-NEXT: store i32 [[TMP12]], i32* [[F]], align 8
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; IND-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP16:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @scalarize_induction_variable_03(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[Y:%.*]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <2 x i32> poison, i32 [[Y]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT1]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP1:%.*]] = or i64 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP2:%.*]] = or i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 [[INDEX]], i32 1
> +; UNROLL-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP0]], i32 1
> +; UNROLL-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP1]], i32 1
> +; UNROLL-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP2]], i32 1
> +; UNROLL-NEXT: [[TMP7:%.*]] = load i32, i32* [[TMP3]], align 8
> +; UNROLL-NEXT: [[TMP8:%.*]] = load i32, i32* [[TMP4]], align 8
> +; UNROLL-NEXT: [[TMP9:%.*]] = insertelement <2 x i32> poison, i32 [[TMP7]], i32 0
> +; UNROLL-NEXT: [[TMP10:%.*]] = insertelement <2 x i32> [[TMP9]], i32 [[TMP8]], i32 1
> +; UNROLL-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP5]], align 8
> +; UNROLL-NEXT: [[TMP12:%.*]] = load i32, i32* [[TMP6]], align 8
> +; UNROLL-NEXT: [[TMP13:%.*]] = insertelement <2 x i32> poison, i32 [[TMP11]], i32 0
> +; UNROLL-NEXT: [[TMP14:%.*]] = insertelement <2 x i32> [[TMP13]], i32 [[TMP12]], i32 1
> +; UNROLL-NEXT: [[TMP15:%.*]] = xor <2 x i32> [[TMP10]], [[BROADCAST_SPLAT]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = xor <2 x i32> [[TMP14]], [[BROADCAST_SPLAT2]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = extractelement <2 x i32> [[TMP15]], i32 0
> +; UNROLL-NEXT: store i32 [[TMP17]], i32* [[TMP3]], align 8
> +; UNROLL-NEXT: [[TMP18:%.*]] = extractelement <2 x i32> [[TMP15]], i32 1
> +; UNROLL-NEXT: store i32 [[TMP18]], i32* [[TMP4]], align 8
> +; UNROLL-NEXT: [[TMP19:%.*]] = extractelement <2 x i32> [[TMP16]], i32 0
> +; UNROLL-NEXT: store i32 [[TMP19]], i32* [[TMP5]], align 8
> +; UNROLL-NEXT: [[TMP20:%.*]] = extractelement <2 x i32> [[TMP16]], i32 1
> +; UNROLL-NEXT: store i32 [[TMP20]], i32* [[TMP6]], align 8
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[F:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; UNROLL-NEXT: [[TMP22:%.*]] = load i32, i32* [[F]], align 8
> +; UNROLL-NEXT: [[TMP23:%.*]] = xor i32 [[TMP22]], [[Y]]
> +; UNROLL-NEXT: store i32 [[TMP23]], i32* [[F]], align 8
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP16:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_03(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[Y:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT1:%.*]] = insertelement <2 x i32> poison, i32 [[Y]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT2:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT1]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 [[TMP0]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP1]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP2]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP3]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = load i32, i32* [[TMP4]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = load i32, i32* [[TMP5]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = insertelement <2 x i32> poison, i32 [[TMP8]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = insertelement <2 x i32> [[TMP10]], i32 [[TMP9]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = load i32, i32* [[TMP6]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = load i32, i32* [[TMP7]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = insertelement <2 x i32> poison, i32 [[TMP12]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = insertelement <2 x i32> [[TMP14]], i32 [[TMP13]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = xor <2 x i32> [[TMP11]], [[BROADCAST_SPLAT]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = xor <2 x i32> [[TMP15]], [[BROADCAST_SPLAT2]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = extractelement <2 x i32> [[TMP16]], i32 0
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP18]], i32* [[TMP4]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = extractelement <2 x i32> [[TMP16]], i32 1
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP19]], i32* [[TMP5]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = extractelement <2 x i32> [[TMP17]], i32 0
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP20]], i32* [[TMP6]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = extractelement <2 x i32> [[TMP17]], i32 1
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP21]], i32* [[TMP7]], align 8
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[F:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = load i32, i32* [[F]], align 8
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = xor i32 [[TMP23]], [[Y]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP24]], i32* [[F]], align 8
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP16:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @scalarize_induction_variable_03(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 9
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_MOD_VF:%.*]] = and i64 [[SMAX]], 7
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = select i1 [[TMP0]], i64 8, i64 [[N_MOD_VF]]
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = sub nsw i64 [[SMAX]], [[TMP1]]
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[Y:%.*]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT3:%.*]] = insertelement <4 x i32> poison, i32 [[Y]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT4:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT3]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = or i64 [[INDEX]], 1
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 2
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 3
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 4
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = or i64 [[INDEX]], 5
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = or i64 [[INDEX]], 6
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = or i64 [[INDEX]], 7
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = getelementptr inbounds [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 [[INDEX]], i32 1
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP2]], i32 1
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP3]], i32 1
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP4]], i32 1
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]], i32 1
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP6]], i32 1
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP7]], i32 1
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP8]], i32 1
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = bitcast i32* [[TMP9]] to <8 x i32>*
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = bitcast i32* [[TMP13]] to <8 x i32>*
> +; INTERLEAVE-NEXT: [[WIDE_VEC:%.*]] = load <8 x i32>, <8 x i32>* [[TMP17]], align 8
> +; INTERLEAVE-NEXT: [[WIDE_VEC1:%.*]] = load <8 x i32>, <8 x i32>* [[TMP18]], align 8
> +; INTERLEAVE-NEXT: [[STRIDED_VEC:%.*]] = shufflevector <8 x i32> [[WIDE_VEC]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
> +; INTERLEAVE-NEXT: [[STRIDED_VEC2:%.*]] = shufflevector <8 x i32> [[WIDE_VEC1]], <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = xor <4 x i32> [[STRIDED_VEC]], [[BROADCAST_SPLAT]]
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = xor <4 x i32> [[STRIDED_VEC2]], [[BROADCAST_SPLAT4]]
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = extractelement <4 x i32> [[TMP19]], i32 0
> +; INTERLEAVE-NEXT: store i32 [[TMP21]], i32* [[TMP9]], align 8
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = extractelement <4 x i32> [[TMP19]], i32 1
> +; INTERLEAVE-NEXT: store i32 [[TMP22]], i32* [[TMP10]], align 8
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = extractelement <4 x i32> [[TMP19]], i32 2
> +; INTERLEAVE-NEXT: store i32 [[TMP23]], i32* [[TMP11]], align 8
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[TMP19]], i32 3
> +; INTERLEAVE-NEXT: store i32 [[TMP24]], i32* [[TMP12]], align 8
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP20]], i32 0
> +; INTERLEAVE-NEXT: store i32 [[TMP25]], i32* [[TMP13]], align 8
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP20]], i32 1
> +; INTERLEAVE-NEXT: store i32 [[TMP26]], i32* [[TMP14]], align 8
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = extractelement <4 x i32> [[TMP20]], i32 2
> +; INTERLEAVE-NEXT: store i32 [[TMP27]], i32* [[TMP15]], align 8
> +; INTERLEAVE-NEXT: [[TMP28:%.*]] = extractelement <4 x i32> [[TMP20]], i32 3
> +; INTERLEAVE-NEXT: store i32 [[TMP28]], i32* [[TMP16]], align 8
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP15:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: br label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[F:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; INTERLEAVE-NEXT: [[TMP30:%.*]] = load i32, i32* [[F]], align 8
> +; INTERLEAVE-NEXT: [[TMP31:%.*]] = xor i32 [[TMP30]], [[Y]]
> +; INTERLEAVE-NEXT: store i32 [[TMP31]], i32* [[F]], align 8
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END:%.*]], !llvm.loop [[LOOP16:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> @@ -256,26 +1604,385 @@ for.end:
> ; for (int i = 0; i < n; ++i)
> ; p[i].f = a[i * 4]
> ;
> -; INTERLEAVE-LABEL: @scalarize_induction_variable_04(
> -; INTERLEAVE: vector.body:
> -; INTERLEAVE: %[[i0:.+]] = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; INTERLEAVE: %[[i1:.+]] = or i64 %[[i0]], 1
> -; INTERLEAVE: %[[i2:.+]] = or i64 %[[i0]], 2
> -; INTERLEAVE: %[[i3:.+]] = or i64 %[[i0]], 3
> -; INTERLEAVE: %[[i4:.+]] = or i64 %[[i0]], 4
> -; INTERLEAVE: %[[i5:.+]] = or i64 %[[i0]], 5
> -; INTERLEAVE: %[[i6:.+]] = or i64 %[[i0]], 6
> -; INTERLEAVE: %[[i7:.+]] = or i64 %[[i0]], 7
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i0]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i1]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i2]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i3]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i4]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i5]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i6]], i32 1
> -; INTERLEAVE: getelementptr inbounds %pair.i32, %pair.i32* %p, i64 %[[i7]], i32 1
>
> define void @scalarize_induction_variable_04(i32* %a, %pair.i32* %p, i32 %n) {
> +; CHECK-LABEL: @scalarize_induction_variable_04(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[A4:%.*]] = bitcast i32* [[A:%.*]] to i8*
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; CHECK: vector.memcheck:
> +; CHECK-NEXT: [[SCEVGEP:%.*]] = getelementptr [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 0, i32 1
> +; CHECK-NEXT: [[SCEVGEP1:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[N]], -1
> +; CHECK-NEXT: [[TMP4:%.*]] = zext i32 [[TMP3]] to i64
> +; CHECK-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
> +; CHECK-NEXT: [[SCEVGEP2:%.*]] = getelementptr [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]]
> +; CHECK-NEXT: [[SCEVGEP23:%.*]] = bitcast %pair.i32* [[SCEVGEP2]] to i8*
> +; CHECK-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP4]], 2
> +; CHECK-NEXT: [[TMP7:%.*]] = add nuw nsw i64 [[TMP6]], 1
> +; CHECK-NEXT: [[SCEVGEP5:%.*]] = getelementptr i32, i32* [[A]], i64 [[TMP7]]
> +; CHECK-NEXT: [[SCEVGEP56:%.*]] = bitcast i32* [[SCEVGEP5]] to i8*
> +; CHECK-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[SCEVGEP1]], [[SCEVGEP56]]
> +; CHECK-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[A4]], [[SCEVGEP23]]
> +; CHECK-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; CHECK-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP8:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP9:%.*]] = add i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP10:%.*]] = shl nsw <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i64> [[TMP10]], i32 0
> +; CHECK-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP11]]
> +; CHECK-NEXT: [[TMP13:%.*]] = extractelement <2 x i64> [[TMP10]], i32 1
> +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP13]]
> +; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP12]], align 1, !alias.scope !17
> +; CHECK-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]], align 1, !alias.scope !17
> +; CHECK-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP8]], i32 1
> +; CHECK-NEXT: [[TMP18:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP9]], i32 1
> +; CHECK-NEXT: store i32 [[TMP15]], i32* [[TMP17]], align 1, !alias.scope !20, !noalias !17
> +; CHECK-NEXT: store i32 [[TMP16]], i32* [[TMP18]], align 1, !alias.scope !20, !noalias !17
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[TMP20:%.*]] = shl nsw i64 [[I]], 2
> +; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; CHECK-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP21]], align 1
> +; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; CHECK-NEXT: store i32 [[TMP22]], i32* [[TMP23]], align 1
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; CHECK-NEXT: [[TMP24:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP24]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @scalarize_induction_variable_04(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; IND-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; IND-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; IND: vector.memcheck:
> +; IND-NEXT: [[SCEVGEP:%.*]] = getelementptr [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 0, i32 1
> +; IND-NEXT: [[TMP3:%.*]] = add i32 [[N]], -1
> +; IND-NEXT: [[TMP4:%.*]] = zext i32 [[TMP3]] to i64
> +; IND-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
> +; IND-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP4]], 2
> +; IND-NEXT: [[TMP7:%.*]] = or i64 [[TMP6]], 1
> +; IND-NEXT: [[SCEVGEP5:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 [[TMP7]]
> +; IND-NEXT: [[BOUND0:%.*]] = icmp ult i32* [[SCEVGEP]], [[SCEVGEP5]]
> +; IND-NEXT: [[TMP8:%.*]] = getelementptr [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]], i32 0
> +; IND-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[TMP8]], [[A]]
> +; IND-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; IND-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP9:%.*]] = or i64 [[INDEX]], 1
> +; IND-NEXT: [[TMP10:%.*]] = shl nsw <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; IND-NEXT: [[TMP11:%.*]] = extractelement <2 x i64> [[TMP10]], i32 0
> +; IND-NEXT: [[TMP12:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP11]]
> +; IND-NEXT: [[TMP13:%.*]] = extractelement <2 x i64> [[TMP10]], i32 1
> +; IND-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP13]]
> +; IND-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP12]], align 1, !alias.scope !17
> +; IND-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP14]], align 1, !alias.scope !17
> +; IND-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[INDEX]], i32 1
> +; IND-NEXT: [[TMP18:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP9]], i32 1
> +; IND-NEXT: store i32 [[TMP15]], i32* [[TMP17]], align 1, !alias.scope !20, !noalias !17
> +; IND-NEXT: store i32 [[TMP16]], i32* [[TMP18]], align 1, !alias.scope !20, !noalias !17
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; IND-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP20:%.*]] = shl nsw i64 [[I]], 2
> +; IND-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; IND-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP21]], align 1
> +; IND-NEXT: [[TMP23:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; IND-NEXT: store i32 [[TMP22]], i32* [[TMP23]], align 1
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; IND-NEXT: [[TMP24:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; IND-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP24]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @scalarize_induction_variable_04(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL: vector.memcheck:
> +; UNROLL-NEXT: [[SCEVGEP:%.*]] = getelementptr [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 0, i32 1
> +; UNROLL-NEXT: [[TMP3:%.*]] = add i32 [[N]], -1
> +; UNROLL-NEXT: [[TMP4:%.*]] = zext i32 [[TMP3]] to i64
> +; UNROLL-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
> +; UNROLL-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP4]], 2
> +; UNROLL-NEXT: [[TMP7:%.*]] = or i64 [[TMP6]], 1
> +; UNROLL-NEXT: [[SCEVGEP5:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 [[TMP7]]
> +; UNROLL-NEXT: [[BOUND0:%.*]] = icmp ult i32* [[SCEVGEP]], [[SCEVGEP5]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = getelementptr [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]], i32 0
> +; UNROLL-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[TMP8]], [[A]]
> +; UNROLL-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP9:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP10:%.*]] = or i64 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP11:%.*]] = or i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP12:%.*]] = shl nsw <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NEXT: [[STEP_ADD:%.*]] = shl <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NEXT: [[TMP13:%.*]] = add <2 x i64> [[STEP_ADD]], <i64 8, i64 8>
> +; UNROLL-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0
> +; UNROLL-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP14]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1
> +; UNROLL-NEXT: [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP16]]
> +; UNROLL-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0
> +; UNROLL-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP18]]
> +; UNROLL-NEXT: [[TMP20:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1
> +; UNROLL-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; UNROLL-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP15]], align 1, !alias.scope !17
> +; UNROLL-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP17]], align 1, !alias.scope !17
> +; UNROLL-NEXT: [[TMP24:%.*]] = load i32, i32* [[TMP19]], align 1, !alias.scope !17
> +; UNROLL-NEXT: [[TMP25:%.*]] = load i32, i32* [[TMP21]], align 1, !alias.scope !17
> +; UNROLL-NEXT: [[TMP26:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[INDEX]], i32 1
> +; UNROLL-NEXT: [[TMP27:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP9]], i32 1
> +; UNROLL-NEXT: [[TMP28:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP10]], i32 1
> +; UNROLL-NEXT: [[TMP29:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP11]], i32 1
> +; UNROLL-NEXT: store i32 [[TMP22]], i32* [[TMP26]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NEXT: store i32 [[TMP23]], i32* [[TMP27]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NEXT: store i32 [[TMP24]], i32* [[TMP28]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NEXT: store i32 [[TMP25]], i32* [[TMP29]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 4, i64 4>
> +; UNROLL-NEXT: [[TMP30:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP31:%.*]] = shl nsw i64 [[I]], 2
> +; UNROLL-NEXT: [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP31]]
> +; UNROLL-NEXT: [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 1
> +; UNROLL-NEXT: [[TMP34:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; UNROLL-NEXT: store i32 [[TMP33]], i32* [[TMP34]], align 1
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NEXT: [[TMP35:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; UNROLL-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP35]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_04(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[A4:%.*]] = bitcast i32* [[A:%.*]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; UNROLL-NO-IC: vector.memcheck:
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP:%.*]] = getelementptr [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 0, i32 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP1:%.*]] = bitcast i32* [[SCEVGEP]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[N]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = zext i32 [[TMP3]] to i64
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP2:%.*]] = getelementptr [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP23:%.*]] = bitcast %pair.i32* [[SCEVGEP2]] to i8*
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP4]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add nuw nsw i64 [[TMP6]], 1
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP5:%.*]] = getelementptr i32, i32* [[A]], i64 [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[SCEVGEP56:%.*]] = bitcast i32* [[SCEVGEP5]] to i8*
> +; UNROLL-NO-IC-NEXT: [[BOUND0:%.*]] = icmp ult i8* [[SCEVGEP1]], [[SCEVGEP56]]
> +; UNROLL-NO-IC-NEXT: [[BOUND1:%.*]] = icmp ult i8* [[A4]], [[SCEVGEP23]]
> +; UNROLL-NO-IC-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; UNROLL-NO-IC-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = add i64 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = shl nsw <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = shl nsw <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = extractelement <2 x i64> [[TMP12]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = extractelement <2 x i64> [[TMP12]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP16]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = extractelement <2 x i64> [[TMP13]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = extractelement <2 x i64> [[TMP13]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = load i32, i32* [[TMP15]], align 1, !alias.scope !17
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = load i32, i32* [[TMP17]], align 1, !alias.scope !17
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = load i32, i32* [[TMP19]], align 1, !alias.scope !17
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = load i32, i32* [[TMP21]], align 1, !alias.scope !17
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP8]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP9]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP10]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP11]], i32 1
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP22]], i32* [[TMP26]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP23]], i32* [[TMP27]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP24]], i32* [[TMP28]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP25]], i32* [[TMP29]], align 1, !alias.scope !20, !noalias !17
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = shl nsw i64 [[I]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP31]]
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = load i32, i32* [[TMP32]], align 1
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; UNROLL-NO-IC-NEXT: store i32 [[TMP33]], i32* [[TMP34]], align 1
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP35]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @scalarize_induction_variable_04(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_MEMCHECK:%.*]]
> +; INTERLEAVE: vector.memcheck:
> +; INTERLEAVE-NEXT: [[SCEVGEP:%.*]] = getelementptr [[PAIR_I32:%.*]], %pair.i32* [[P:%.*]], i64 0, i32 1
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = add i32 [[N]], -1
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = zext i32 [[TMP3]] to i64
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = add nuw nsw i64 [[TMP4]], 1
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = shl nuw nsw i64 [[TMP4]], 2
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = or i64 [[TMP6]], 1
> +; INTERLEAVE-NEXT: [[SCEVGEP5:%.*]] = getelementptr i32, i32* [[A:%.*]], i64 [[TMP7]]
> +; INTERLEAVE-NEXT: [[BOUND0:%.*]] = icmp ult i32* [[SCEVGEP]], [[SCEVGEP5]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = getelementptr [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP5]], i32 0
> +; INTERLEAVE-NEXT: [[BOUND1:%.*]] = icmp ugt i32* [[TMP8]], [[A]]
> +; INTERLEAVE-NEXT: [[FOUND_CONFLICT:%.*]] = and i1 [[BOUND0]], [[BOUND1]]
> +; INTERLEAVE-NEXT: br i1 [[FOUND_CONFLICT]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_MOD_VF:%.*]] = and i64 [[TMP2]], 7
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = icmp eq i64 [[N_MOD_VF]], 0
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = select i1 [[TMP9]], i64 8, i64 [[N_MOD_VF]]
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = sub nsw i64 [[TMP2]], [[TMP10]]
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = or i64 [[INDEX]], 1
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = or i64 [[INDEX]], 2
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = or i64 [[INDEX]], 3
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = or i64 [[INDEX]], 4
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = or i64 [[INDEX]], 5
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = or i64 [[INDEX]], 6
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = or i64 [[INDEX]], 7
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = shl nsw i64 [[INDEX]], 2
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = shl nsw i64 [[TMP14]], 2
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP18]]
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP19]]
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP20]] to <16 x i32>*
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = bitcast i32* [[TMP21]] to <16 x i32>*
> +; INTERLEAVE-NEXT: [[WIDE_VEC:%.*]] = load <16 x i32>, <16 x i32>* [[TMP22]], align 1
> +; INTERLEAVE-NEXT: [[WIDE_VEC7:%.*]] = load <16 x i32>, <16 x i32>* [[TMP23]], align 1
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[INDEX]], i32 1
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP11]], i32 1
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP12]], i32 1
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP13]], i32 1
> +; INTERLEAVE-NEXT: [[TMP28:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP14]], i32 1
> +; INTERLEAVE-NEXT: [[TMP29:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP15]], i32 1
> +; INTERLEAVE-NEXT: [[TMP30:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP16]], i32 1
> +; INTERLEAVE-NEXT: [[TMP31:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[TMP17]], i32 1
> +; INTERLEAVE-NEXT: [[TMP32:%.*]] = extractelement <16 x i32> [[WIDE_VEC]], i32 0
> +; INTERLEAVE-NEXT: store i32 [[TMP32]], i32* [[TMP24]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP33:%.*]] = extractelement <16 x i32> [[WIDE_VEC]], i32 4
> +; INTERLEAVE-NEXT: store i32 [[TMP33]], i32* [[TMP25]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP34:%.*]] = extractelement <16 x i32> [[WIDE_VEC]], i32 8
> +; INTERLEAVE-NEXT: store i32 [[TMP34]], i32* [[TMP26]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP35:%.*]] = extractelement <16 x i32> [[WIDE_VEC]], i32 12
> +; INTERLEAVE-NEXT: store i32 [[TMP35]], i32* [[TMP27]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP36:%.*]] = extractelement <16 x i32> [[WIDE_VEC7]], i32 0
> +; INTERLEAVE-NEXT: store i32 [[TMP36]], i32* [[TMP28]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP37:%.*]] = extractelement <16 x i32> [[WIDE_VEC7]], i32 4
> +; INTERLEAVE-NEXT: store i32 [[TMP37]], i32* [[TMP29]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP38:%.*]] = extractelement <16 x i32> [[WIDE_VEC7]], i32 8
> +; INTERLEAVE-NEXT: store i32 [[TMP38]], i32* [[TMP30]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[TMP39:%.*]] = extractelement <16 x i32> [[WIDE_VEC7]], i32 12
> +; INTERLEAVE-NEXT: store i32 [[TMP39]], i32* [[TMP31]], align 1, !alias.scope !17, !noalias !20
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP40:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP40]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP22:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: br label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ], [ 0, [[VECTOR_MEMCHECK]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP41:%.*]] = shl nsw i64 [[I]], 2
> +; INTERLEAVE-NEXT: [[TMP42:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP41]]
> +; INTERLEAVE-NEXT: [[TMP43:%.*]] = load i32, i32* [[TMP42]], align 1
> +; INTERLEAVE-NEXT: [[TMP44:%.*]] = getelementptr inbounds [[PAIR_I32]], %pair.i32* [[P]], i64 [[I]], i32 1
> +; INTERLEAVE-NEXT: store i32 [[TMP43]], i32* [[TMP44]], align 1
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; INTERLEAVE-NEXT: [[TMP45:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP45]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_END:%.*]], label [[FOR_BODY]], !llvm.loop [[LOOP23:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> @@ -307,89 +2014,509 @@ for.end:
> ; sum += x;
> ; }
> ;
> +;
> +;
> +;
> +
> +define i32 @scalarize_induction_variable_05(i32* %a, i32 %x, i1 %c, i32 %n) {
> ; CHECK-LABEL: @scalarize_induction_variable_05(
> -; CHECK: vector.body:
> -; CHECK: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %pred.udiv.continue{{[0-9]+}} ]
> -; CHECK: %[[I0:.+]] = add i32 %index, 0
> -; CHECK: getelementptr inbounds i32, i32* %a, i32 %[[I0]]
> -; CHECK: pred.udiv.if:
> -; CHECK: udiv i32 {{.*}}, %[[I0]]
> -; CHECK: pred.udiv.if{{[0-9]+}}:
> -; CHECK: %[[I1:.+]] = add i32 %index, 1
> -; CHECK: udiv i32 {{.*}}, %[[I1]]
> -;
> -; UNROLL-NO_IC-LABEL: @scalarize_induction_variable_05(
> -; UNROLL-NO-IC: vector.body:
> -; UNROLL-NO-IC: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %pred.udiv.continue{{[0-9]+}} ]
> -; UNROLL-NO-IC: %[[I0:.+]] = add i32 %index, 0
> -; UNROLL-NO-IC: %[[I2:.+]] = add i32 %index, 2
> -; UNROLL-NO-IC: getelementptr inbounds i32, i32* %a, i32 %[[I0]]
> -; UNROLL-NO-IC: getelementptr inbounds i32, i32* %a, i32 %[[I2]]
> -; UNROLL-NO-IC: pred.udiv.if:
> -; UNROLL-NO-IC: udiv i32 {{.*}}, %[[I0]]
> -; UNROLL-NO-IC: pred.udiv.if{{[0-9]+}}:
> -; UNROLL-NO-IC: %[[I1:.+]] = add i32 %index, 1
> -; UNROLL-NO-IC: udiv i32 {{.*}}, %[[I1]]
> -; UNROLL-NO-IC: pred.udiv.if{{[0-9]+}}:
> -; UNROLL-NO-IC: udiv i32 {{.*}}, %[[I2]]
> -; UNROLL-NO-IC: pred.udiv.if{{[0-9]+}}:
> -; UNROLL-NO-IC: %[[I3:.+]] = add i32 %index, 3
> -; UNROLL-NO-IC: udiv i32 {{.*}}, %[[I3]]
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N:%.*]], i32 1)
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[SMAX]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[SMAX]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[SMAX]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[C:%.*]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i1> [[BROADCAST_SPLATINSERT]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE2:%.*]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UDIV_CONTINUE2]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP16:%.*]], [[PRED_UDIV_CONTINUE2]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP0]]
> +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i32 0
> +; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, <2 x i32>* [[TMP3]], align 4
> +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT]], i32 0
> +; CHECK-NEXT: br i1 [[TMP4]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; CHECK: pred.udiv.if:
> +; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
> +; CHECK-NEXT: [[TMP6:%.*]] = udiv i32 [[TMP5]], [[TMP0]]
> +; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i32> poison, i32 [[TMP6]], i32 0
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; CHECK: pred.udiv.continue:
> +; CHECK-NEXT: [[TMP8:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_UDIV_IF]] ]
> +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT]], i32 1
> +; CHECK-NEXT: br i1 [[TMP9]], label [[PRED_UDIV_IF1:%.*]], label [[PRED_UDIV_CONTINUE2]]
> +; CHECK: pred.udiv.if1:
> +; CHECK-NEXT: [[TMP10:%.*]] = add i32 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
> +; CHECK-NEXT: [[TMP12:%.*]] = udiv i32 [[TMP11]], [[TMP10]]
> +; CHECK-NEXT: [[TMP13:%.*]] = insertelement <2 x i32> [[TMP8]], i32 [[TMP12]], i32 1
> +; CHECK-NEXT: br label [[PRED_UDIV_CONTINUE2]]
> +; CHECK: pred.udiv.continue2:
> +; CHECK-NEXT: [[TMP14:%.*]] = phi <2 x i32> [ [[TMP8]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP13]], [[PRED_UDIV_IF1]] ]
> +; CHECK-NEXT: [[TMP15:%.*]] = xor <2 x i1> [[BROADCAST_SPLAT]], <i1 true, i1 true>
> +; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP15]], <2 x i32> [[WIDE_LOAD]], <2 x i32> [[TMP14]]
> +; CHECK-NEXT: [[TMP16]] = add <2 x i32> [[PREDPHI]], [[VEC_PHI]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP18:%.*]] = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> [[TMP16]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[SMAX]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[IF_END:%.*]] ]
> +; CHECK-NEXT: [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR4:%.*]], [[IF_END]] ]
> +; CHECK-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[I]]
> +; CHECK-NEXT: [[VAR1:%.*]] = load i32, i32* [[VAR0]], align 4
> +; CHECK-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END]]
> +; CHECK: if.then:
> +; CHECK-NEXT: [[VAR2:%.*]] = udiv i32 [[VAR1]], [[I]]
> +; CHECK-NEXT: br label [[IF_END]]
> +; CHECK: if.end:
> +; CHECK-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR2]], [[IF_THEN]] ], [ [[VAR1]], [[FOR_BODY]] ]
> +; CHECK-NEXT: [[VAR4]] = add i32 [[VAR3]], [[SUM]]
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i32 [[I]], 1
> +; CHECK-NEXT: [[COND:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP25:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR4]], [[IF_END]] ], [ [[TMP18]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[VAR5]]
> ;
> ; IND-LABEL: @scalarize_induction_variable_05(
> -; IND: vector.body:
> -; IND: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %pred.udiv.continue{{[0-9]+}} ]
> -; IND: %[[E0:.+]] = sext i32 %index to i64
> -; IND: getelementptr inbounds i32, i32* %a, i64 %[[E0]]
> -; IND: pred.udiv.if:
> -; IND: udiv i32 {{.*}}, %index
> -; IND: pred.udiv.if{{[0-9]+}}:
> -; IND: %[[I1:.+]] = or i32 %index, 1
> -; IND: udiv i32 {{.*}}, %[[I1]]
> +; IND-NEXT: entry:
> +; IND-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N:%.*]], i32 1)
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[SMAX]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[SMAX]], 2147483646
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[C:%.*]], i32 0
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE2:%.*]] ]
> +; IND-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP14:%.*]], [[PRED_UDIV_CONTINUE2]] ]
> +; IND-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
> +; IND-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; IND-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <2 x i32>*
> +; IND-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, <2 x i32>* [[TMP2]], align 4
> +; IND-NEXT: br i1 [[C]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; IND: pred.udiv.if:
> +; IND-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
> +; IND-NEXT: [[TMP4:%.*]] = udiv i32 [[TMP3]], [[INDEX]]
> +; IND-NEXT: [[TMP5:%.*]] = insertelement <2 x i32> poison, i32 [[TMP4]], i32 0
> +; IND-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; IND: pred.udiv.continue:
> +; IND-NEXT: [[TMP6:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP5]], [[PRED_UDIV_IF]] ]
> +; IND-NEXT: br i1 [[C]], label [[PRED_UDIV_IF1:%.*]], label [[PRED_UDIV_CONTINUE2]]
> +; IND: pred.udiv.if1:
> +; IND-NEXT: [[TMP7:%.*]] = or i32 [[INDEX]], 1
> +; IND-NEXT: [[TMP8:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
> +; IND-NEXT: [[TMP9:%.*]] = udiv i32 [[TMP8]], [[TMP7]]
> +; IND-NEXT: [[TMP10:%.*]] = insertelement <2 x i32> [[TMP6]], i32 [[TMP9]], i32 1
> +; IND-NEXT: br label [[PRED_UDIV_CONTINUE2]]
> +; IND: pred.udiv.continue2:
> +; IND-NEXT: [[TMP11:%.*]] = phi <2 x i32> [ [[TMP6]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP10]], [[PRED_UDIV_IF1]] ]
> +; IND-NEXT: [[TMP12:%.*]] = xor <2 x i1> [[BROADCAST_SPLATINSERT]], <i1 true, i1 poison>
> +; IND-NEXT: [[TMP13:%.*]] = shufflevector <2 x i1> [[TMP12]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP13]], <2 x i32> [[WIDE_LOAD]], <2 x i32> [[TMP11]]
> +; IND-NEXT: [[TMP14]] = add <2 x i32> [[PREDPHI]], [[VEC_PHI]]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[TMP15:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP15]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP16:%.*]] = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> [[TMP14]])
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[SMAX]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP16]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[IF_END:%.*]] ]
> +; IND-NEXT: [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR4:%.*]], [[IF_END]] ]
> +; IND-NEXT: [[TMP17:%.*]] = zext i32 [[I]] to i64
> +; IND-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP17]]
> +; IND-NEXT: [[VAR1:%.*]] = load i32, i32* [[VAR0]], align 4
> +; IND-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END]]
> +; IND: if.then:
> +; IND-NEXT: [[VAR2:%.*]] = udiv i32 [[VAR1]], [[I]]
> +; IND-NEXT: br label [[IF_END]]
> +; IND: if.end:
> +; IND-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR2]], [[IF_THEN]] ], [ [[VAR1]], [[FOR_BODY]] ]
> +; IND-NEXT: [[VAR4]] = add i32 [[VAR3]], [[SUM]]
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i32 [[I]], 1
> +; IND-NEXT: [[COND:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP25:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR4]], [[IF_END]] ], [ [[TMP16]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret i32 [[VAR5]]
> ;
> ; UNROLL-LABEL: @scalarize_induction_variable_05(
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %pred.udiv.continue{{[0-9]+}} ]
> -; UNROLL: %[[I2:.+]] = or i32 %index, 2
> -; UNROLL: %[[E0:.+]] = sext i32 %index to i64
> -; UNROLL: %[[G0:.+]] = getelementptr inbounds i32, i32* %a, i64 %[[E0]]
> -; UNROLL: getelementptr inbounds i32, i32* %[[G0]], i64 2
> -; UNROLL: pred.udiv.if:
> -; UNROLL: udiv i32 {{.*}}, %index
> -; UNROLL: pred.udiv.if{{[0-9]+}}:
> -; UNROLL: %[[I1:.+]] = or i32 %index, 1
> -; UNROLL: udiv i32 {{.*}}, %[[I1]]
> -; UNROLL: pred.udiv.if{{[0-9]+}}:
> -; UNROLL: udiv i32 {{.*}}, %[[I2]]
> -; UNROLL: pred.udiv.if{{[0-9]+}}:
> -; UNROLL: %[[I3:.+]] = or i32 %index, 3
> -; UNROLL: udiv i32 {{.*}}, %[[I3]]
> -
> -define i32 @scalarize_induction_variable_05(i32* %a, i32 %x, i1 %c, i32 %n) {
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N:%.*]], i32 1)
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[SMAX]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[SMAX]], 2147483644
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[C:%.*]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <2 x i1> poison, i1 [[C]], i32 0
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE11:%.*]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP28:%.*]], [[PRED_UDIV_CONTINUE11]] ]
> +; UNROLL-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP29:%.*]], [[PRED_UDIV_CONTINUE11]] ]
> +; UNROLL-NEXT: [[TMP0:%.*]] = or i32 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP1:%.*]] = sext i32 [[INDEX]] to i64
> +; UNROLL-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP1]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; UNROLL-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, <2 x i32>* [[TMP3]], align 4
> +; UNROLL-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i64 2
> +; UNROLL-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; UNROLL-NEXT: [[WIDE_LOAD3:%.*]] = load <2 x i32>, <2 x i32>* [[TMP5]], align 4
> +; UNROLL-NEXT: br i1 [[C]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL: pred.udiv.if:
> +; UNROLL-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
> +; UNROLL-NEXT: [[TMP7:%.*]] = udiv i32 [[TMP6]], [[INDEX]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> poison, i32 [[TMP7]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL: pred.udiv.continue:
> +; UNROLL-NEXT: [[TMP9:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NEXT: br i1 [[C]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; UNROLL: pred.udiv.if4:
> +; UNROLL-NEXT: [[TMP10:%.*]] = or i32 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP11:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
> +; UNROLL-NEXT: [[TMP12:%.*]] = udiv i32 [[TMP11]], [[TMP10]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = insertelement <2 x i32> [[TMP9]], i32 [[TMP12]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; UNROLL: pred.udiv.continue5:
> +; UNROLL-NEXT: [[TMP14:%.*]] = phi <2 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP13]], [[PRED_UDIV_IF4]] ]
> +; UNROLL-NEXT: br i1 [[C]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL: pred.udiv.if8:
> +; UNROLL-NEXT: [[TMP15:%.*]] = extractelement <2 x i32> [[WIDE_LOAD3]], i32 0
> +; UNROLL-NEXT: [[TMP16:%.*]] = udiv i32 [[TMP15]], [[TMP0]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = insertelement <2 x i32> poison, i32 [[TMP16]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL: pred.udiv.continue9:
> +; UNROLL-NEXT: [[TMP18:%.*]] = phi <2 x i32> [ poison, [[PRED_UDIV_CONTINUE5]] ], [ [[TMP17]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NEXT: br i1 [[C]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL: pred.udiv.if10:
> +; UNROLL-NEXT: [[TMP19:%.*]] = or i32 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP20:%.*]] = extractelement <2 x i32> [[WIDE_LOAD3]], i32 1
> +; UNROLL-NEXT: [[TMP21:%.*]] = udiv i32 [[TMP20]], [[TMP19]]
> +; UNROLL-NEXT: [[TMP22:%.*]] = insertelement <2 x i32> [[TMP18]], i32 [[TMP21]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL: pred.udiv.continue11:
> +; UNROLL-NEXT: [[TMP23:%.*]] = phi <2 x i32> [ [[TMP18]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP22]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NEXT: [[TMP24:%.*]] = xor <2 x i1> [[BROADCAST_SPLATINSERT]], <i1 true, i1 poison>
> +; UNROLL-NEXT: [[TMP25:%.*]] = shufflevector <2 x i1> [[TMP24]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[TMP26:%.*]] = xor <2 x i1> [[BROADCAST_SPLATINSERT6]], <i1 true, i1 poison>
> +; UNROLL-NEXT: [[TMP27:%.*]] = shufflevector <2 x i1> [[TMP26]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP25]], <2 x i32> [[WIDE_LOAD]], <2 x i32> [[TMP14]]
> +; UNROLL-NEXT: [[PREDPHI12:%.*]] = select <2 x i1> [[TMP27]], <2 x i32> [[WIDE_LOAD3]], <2 x i32> [[TMP23]]
> +; UNROLL-NEXT: [[TMP28]] = add <2 x i32> [[PREDPHI]], [[VEC_PHI]]
> +; UNROLL-NEXT: [[TMP29]] = add <2 x i32> [[PREDPHI12]], [[VEC_PHI2]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP30:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <2 x i32> [[TMP29]], [[TMP28]]
> +; UNROLL-NEXT: [[TMP31:%.*]] = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[SMAX]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP31]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[IF_END:%.*]] ]
> +; UNROLL-NEXT: [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR4:%.*]], [[IF_END]] ]
> +; UNROLL-NEXT: [[TMP32:%.*]] = zext i32 [[I]] to i64
> +; UNROLL-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP32]]
> +; UNROLL-NEXT: [[VAR1:%.*]] = load i32, i32* [[VAR0]], align 4
> +; UNROLL-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END]]
> +; UNROLL: if.then:
> +; UNROLL-NEXT: [[VAR2:%.*]] = udiv i32 [[VAR1]], [[I]]
> +; UNROLL-NEXT: br label [[IF_END]]
> +; UNROLL: if.end:
> +; UNROLL-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR2]], [[IF_THEN]] ], [ [[VAR1]], [[FOR_BODY]] ]
> +; UNROLL-NEXT: [[VAR4]] = add i32 [[VAR3]], [[SUM]]
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i32 [[I]], 1
> +; UNROLL-NEXT: [[COND:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP25:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR4]], [[IF_END]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[VAR5]]
> +;
> +; UNROLL-NO-IC-LABEL: @scalarize_induction_variable_05(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N:%.*]], i32 1)
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[SMAX]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i1> poison, i1 [[C:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i1> [[BROADCAST_SPLATINSERT]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <2 x i1> poison, i1 [[C]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT7:%.*]] = shufflevector <2 x i1> [[BROADCAST_SPLATINSERT6]], <2 x i1> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE11:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UDIV_CONTINUE11]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP32:%.*]], [[PRED_UDIV_CONTINUE11]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP33:%.*]], [[PRED_UDIV_CONTINUE11]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD:%.*]] = load <2 x i32>, <2 x i32>* [[TMP5]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: [[WIDE_LOAD3:%.*]] = load <2 x i32>, <2 x i32>* [[TMP7]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP8]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if:
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = udiv i32 [[TMP9]], [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = insertelement <2 x i32> poison, i32 [[TMP10]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; UNROLL-NO-IC: pred.udiv.continue:
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = phi <2 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP11]], [[PRED_UDIV_IF]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP13]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if4:
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = extractelement <2 x i32> [[WIDE_LOAD]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = udiv i32 [[TMP15]], [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = insertelement <2 x i32> [[TMP12]], i32 [[TMP16]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; UNROLL-NO-IC: pred.udiv.continue5:
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = phi <2 x i32> [ [[TMP12]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP17]], [[PRED_UDIV_IF4]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT7]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP19]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; UNROLL-NO-IC: pred.udiv.if8:
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = extractelement <2 x i32> [[WIDE_LOAD3]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = udiv i32 [[TMP20]], [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = insertelement <2 x i32> poison, i32 [[TMP21]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; UNROLL-NO-IC: pred.udiv.continue9:
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = phi <2 x i32> [ poison, [[PRED_UDIV_CONTINUE5]] ], [ [[TMP22]], [[PRED_UDIV_IF8]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = extractelement <2 x i1> [[BROADCAST_SPLAT7]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP24]], label [[PRED_UDIV_IF10:%.*]], label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL-NO-IC: pred.udiv.if10:
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = add i32 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = extractelement <2 x i32> [[WIDE_LOAD3]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = udiv i32 [[TMP26]], [[TMP25]]
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = insertelement <2 x i32> [[TMP23]], i32 [[TMP27]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UDIV_CONTINUE11]]
> +; UNROLL-NO-IC: pred.udiv.continue11:
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = phi <2 x i32> [ [[TMP23]], [[PRED_UDIV_CONTINUE9]] ], [ [[TMP28]], [[PRED_UDIV_IF10]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = xor <2 x i1> [[BROADCAST_SPLAT]], <i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = xor <2 x i1> [[BROADCAST_SPLAT7]], <i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP30]], <2 x i32> [[WIDE_LOAD]], <2 x i32> [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[PREDPHI12:%.*]] = select <2 x i1> [[TMP31]], <2 x i32> [[WIDE_LOAD3]], <2 x i32> [[TMP29]]
> +; UNROLL-NO-IC-NEXT: [[TMP32]] = add <2 x i32> [[PREDPHI]], [[VEC_PHI]]
> +; UNROLL-NO-IC-NEXT: [[TMP33]] = add <2 x i32> [[PREDPHI12]], [[VEC_PHI2]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP34]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <2 x i32> [[TMP33]], [[TMP32]]
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = call i32 @llvm.vector.reduce.add.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[SMAX]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ [[TMP35]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[IF_END:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR4:%.*]], [[IF_END]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[I]]
> +; UNROLL-NO-IC-NEXT: [[VAR1:%.*]] = load i32, i32* [[VAR0]], align 4
> +; UNROLL-NO-IC-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END]]
> +; UNROLL-NO-IC: if.then:
> +; UNROLL-NO-IC-NEXT: [[VAR2:%.*]] = udiv i32 [[VAR1]], [[I]]
> +; UNROLL-NO-IC-NEXT: br label [[IF_END]]
> +; UNROLL-NO-IC: if.end:
> +; UNROLL-NO-IC-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR2]], [[IF_THEN]] ], [ [[VAR1]], [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR4]] = add i32 [[VAR3]], [[SUM]]
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i32 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP25:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR4]], [[IF_END]] ], [ [[TMP35]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[VAR5]]
> +;
> +; INTERLEAVE-LABEL: @scalarize_induction_variable_05(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[SMAX:%.*]] = call i32 @llvm.smax.i32(i32 [[N:%.*]], i32 1)
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[SMAX]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[SMAX]], 2147483640
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i1> poison, i1 [[C:%.*]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT10:%.*]] = insertelement <4 x i1> poison, i1 [[C]], i32 0
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UDIV_CONTINUE19:%.*]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP48:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP49:%.*]], [[PRED_UDIV_CONTINUE19]] ]
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = or i32 [[INDEX]], 4
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = sext i32 [[INDEX]] to i64
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i64 4
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <4 x i32>*
> +; INTERLEAVE-NEXT: [[WIDE_LOAD3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP5]], align 4
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF:%.*]], label [[PRED_UDIV_CONTINUE:%.*]]
> +; INTERLEAVE: pred.udiv.if:
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i32 0
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = udiv i32 [[TMP6]], [[INDEX]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = insertelement <4 x i32> poison, i32 [[TMP7]], i32 0
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE]]
> +; INTERLEAVE: pred.udiv.continue:
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = phi <4 x i32> [ poison, [[VECTOR_BODY]] ], [ [[TMP8]], [[PRED_UDIV_IF]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF4:%.*]], label [[PRED_UDIV_CONTINUE5:%.*]]
> +; INTERLEAVE: pred.udiv.if4:
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = or i32 [[INDEX]], 1
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i32 1
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = udiv i32 [[TMP11]], [[TMP10]]
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = insertelement <4 x i32> [[TMP9]], i32 [[TMP12]], i32 1
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE5]]
> +; INTERLEAVE: pred.udiv.continue5:
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = phi <4 x i32> [ [[TMP9]], [[PRED_UDIV_CONTINUE]] ], [ [[TMP13]], [[PRED_UDIV_IF4]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF6:%.*]], label [[PRED_UDIV_CONTINUE7:%.*]]
> +; INTERLEAVE: pred.udiv.if6:
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = or i32 [[INDEX]], 2
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i32 2
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = udiv i32 [[TMP16]], [[TMP15]]
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = insertelement <4 x i32> [[TMP14]], i32 [[TMP17]], i32 2
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE7]]
> +; INTERLEAVE: pred.udiv.continue7:
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = phi <4 x i32> [ [[TMP14]], [[PRED_UDIV_CONTINUE5]] ], [ [[TMP18]], [[PRED_UDIV_IF6]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF8:%.*]], label [[PRED_UDIV_CONTINUE9:%.*]]
> +; INTERLEAVE: pred.udiv.if8:
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = or i32 [[INDEX]], 3
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = extractelement <4 x i32> [[WIDE_LOAD]], i32 3
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = udiv i32 [[TMP21]], [[TMP20]]
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = insertelement <4 x i32> [[TMP19]], i32 [[TMP22]], i32 3
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE9]]
> +; INTERLEAVE: pred.udiv.continue9:
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = phi <4 x i32> [ [[TMP19]], [[PRED_UDIV_CONTINUE7]] ], [ [[TMP23]], [[PRED_UDIV_IF8]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF12:%.*]], label [[PRED_UDIV_CONTINUE13:%.*]]
> +; INTERLEAVE: pred.udiv.if12:
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[WIDE_LOAD3]], i32 0
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = udiv i32 [[TMP25]], [[TMP0]]
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = insertelement <4 x i32> poison, i32 [[TMP26]], i32 0
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE13]]
> +; INTERLEAVE: pred.udiv.continue13:
> +; INTERLEAVE-NEXT: [[TMP28:%.*]] = phi <4 x i32> [ poison, [[PRED_UDIV_CONTINUE9]] ], [ [[TMP27]], [[PRED_UDIV_IF12]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF14:%.*]], label [[PRED_UDIV_CONTINUE15:%.*]]
> +; INTERLEAVE: pred.udiv.if14:
> +; INTERLEAVE-NEXT: [[TMP29:%.*]] = or i32 [[INDEX]], 5
> +; INTERLEAVE-NEXT: [[TMP30:%.*]] = extractelement <4 x i32> [[WIDE_LOAD3]], i32 1
> +; INTERLEAVE-NEXT: [[TMP31:%.*]] = udiv i32 [[TMP30]], [[TMP29]]
> +; INTERLEAVE-NEXT: [[TMP32:%.*]] = insertelement <4 x i32> [[TMP28]], i32 [[TMP31]], i32 1
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE15]]
> +; INTERLEAVE: pred.udiv.continue15:
> +; INTERLEAVE-NEXT: [[TMP33:%.*]] = phi <4 x i32> [ [[TMP28]], [[PRED_UDIV_CONTINUE13]] ], [ [[TMP32]], [[PRED_UDIV_IF14]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF16:%.*]], label [[PRED_UDIV_CONTINUE17:%.*]]
> +; INTERLEAVE: pred.udiv.if16:
> +; INTERLEAVE-NEXT: [[TMP34:%.*]] = or i32 [[INDEX]], 6
> +; INTERLEAVE-NEXT: [[TMP35:%.*]] = extractelement <4 x i32> [[WIDE_LOAD3]], i32 2
> +; INTERLEAVE-NEXT: [[TMP36:%.*]] = udiv i32 [[TMP35]], [[TMP34]]
> +; INTERLEAVE-NEXT: [[TMP37:%.*]] = insertelement <4 x i32> [[TMP33]], i32 [[TMP36]], i32 2
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE17]]
> +; INTERLEAVE: pred.udiv.continue17:
> +; INTERLEAVE-NEXT: [[TMP38:%.*]] = phi <4 x i32> [ [[TMP33]], [[PRED_UDIV_CONTINUE15]] ], [ [[TMP37]], [[PRED_UDIV_IF16]] ]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[PRED_UDIV_IF18:%.*]], label [[PRED_UDIV_CONTINUE19]]
> +; INTERLEAVE: pred.udiv.if18:
> +; INTERLEAVE-NEXT: [[TMP39:%.*]] = or i32 [[INDEX]], 7
> +; INTERLEAVE-NEXT: [[TMP40:%.*]] = extractelement <4 x i32> [[WIDE_LOAD3]], i32 3
> +; INTERLEAVE-NEXT: [[TMP41:%.*]] = udiv i32 [[TMP40]], [[TMP39]]
> +; INTERLEAVE-NEXT: [[TMP42:%.*]] = insertelement <4 x i32> [[TMP38]], i32 [[TMP41]], i32 3
> +; INTERLEAVE-NEXT: br label [[PRED_UDIV_CONTINUE19]]
> +; INTERLEAVE: pred.udiv.continue19:
> +; INTERLEAVE-NEXT: [[TMP43:%.*]] = phi <4 x i32> [ [[TMP38]], [[PRED_UDIV_CONTINUE17]] ], [ [[TMP42]], [[PRED_UDIV_IF18]] ]
> +; INTERLEAVE-NEXT: [[TMP44:%.*]] = xor <4 x i1> [[BROADCAST_SPLATINSERT]], <i1 true, i1 poison, i1 poison, i1 poison>
> +; INTERLEAVE-NEXT: [[TMP45:%.*]] = shufflevector <4 x i1> [[TMP44]], <4 x i1> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[TMP46:%.*]] = xor <4 x i1> [[BROADCAST_SPLATINSERT10]], <i1 true, i1 poison, i1 poison, i1 poison>
> +; INTERLEAVE-NEXT: [[TMP47:%.*]] = shufflevector <4 x i1> [[TMP46]], <4 x i1> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[TMP45]], <4 x i32> [[WIDE_LOAD]], <4 x i32> [[TMP24]]
> +; INTERLEAVE-NEXT: [[PREDPHI20:%.*]] = select <4 x i1> [[TMP47]], <4 x i32> [[WIDE_LOAD3]], <4 x i32> [[TMP43]]
> +; INTERLEAVE-NEXT: [[TMP48]] = add <4 x i32> [[PREDPHI]], [[VEC_PHI]]
> +; INTERLEAVE-NEXT: [[TMP49]] = add <4 x i32> [[PREDPHI20]], [[VEC_PHI2]]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP50:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP50]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP24:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP49]], [[TMP48]]
> +; INTERLEAVE-NEXT: [[TMP51:%.*]] = call i32 @llvm.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[SMAX]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP51]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[IF_END:%.*]] ]
> +; INTERLEAVE-NEXT: [[SUM:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR4:%.*]], [[IF_END]] ]
> +; INTERLEAVE-NEXT: [[TMP52:%.*]] = zext i32 [[I]] to i64
> +; INTERLEAVE-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP52]]
> +; INTERLEAVE-NEXT: [[VAR1:%.*]] = load i32, i32* [[VAR0]], align 4
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[IF_THEN:%.*]], label [[IF_END]]
> +; INTERLEAVE: if.then:
> +; INTERLEAVE-NEXT: [[VAR2:%.*]] = udiv i32 [[VAR1]], [[I]]
> +; INTERLEAVE-NEXT: br label [[IF_END]]
> +; INTERLEAVE: if.end:
> +; INTERLEAVE-NEXT: [[VAR3:%.*]] = phi i32 [ [[VAR2]], [[IF_THEN]] ], [ [[VAR1]], [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VAR4]] = add i32 [[VAR3]], [[SUM]]
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i32 [[I]], 1
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp slt i32 [[I_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP25:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: [[VAR5:%.*]] = phi i32 [ [[VAR4]], [[IF_END]] ], [ [[TMP51]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: ret i32 [[VAR5]]
> +;
> entry:
> br label %for.body
>
> for.body:
> %i = phi i32 [ 0, %entry ], [ %i.next, %if.end ]
> - %sum = phi i32 [ 0, %entry ], [ %tmp4, %if.end ]
> - %tmp0 = getelementptr inbounds i32, i32* %a, i32 %i
> - %tmp1 = load i32, i32* %tmp0, align 4
> + %sum = phi i32 [ 0, %entry ], [ %var4, %if.end ]
> + %var0 = getelementptr inbounds i32, i32* %a, i32 %i
> + %var1 = load i32, i32* %var0, align 4
> br i1 %c, label %if.then, label %if.end
>
> if.then:
> - %tmp2 = udiv i32 %tmp1, %i
> + %var2 = udiv i32 %var1, %i
> br label %if.end
>
> if.end:
> - %tmp3 = phi i32 [ %tmp2, %if.then ], [ %tmp1, %for.body ]
> - %tmp4 = add i32 %tmp3, %sum
> + %var3 = phi i32 [ %var2, %if.then ], [ %var1, %for.body ]
> + %var4 = add i32 %var3, %sum
> %i.next = add nuw nsw i32 %i, 1
> %cond = icmp slt i32 %i.next, %n
> br i1 %cond, label %for.body, label %for.end
>
> for.end:
> - %tmp5 = phi i32 [ %tmp4, %if.end ]
> - ret i32 %tmp5
> + %var5 = phi i32 [ %var4, %if.end ]
> + ret i32 %var5
> }
>
> ; Ensure we generate both a vector and a scalar induction variable. In this
> @@ -397,46 +2524,315 @@ for.end:
> ; vectorized (trunc) as well as an instruction that will remain in scalar form
> ; (gepelementptr).
> ;
> -; CHECK-LABEL: @iv_vector_and_scalar_users(
> -; CHECK: vector.body:
> -; CHECK: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK: [[VEC_IV_1:%.+]] = phi <2 x i64> [ <i64 0, i64 1>, %vector.ph ], [ [[VEC_IV_1_NEXT:%.+]], %vector.body ]
> -; CHECK: [[VEC_IV_2:%.+]] = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ [[VEC_IV_2_NEXT:%.+]], %vector.body ]
> -; CHECK: %[[i0:.+]] = add i64 %index, 0
> -; CHECK: %[[i1:.+]] = add i64 %index, 1
> -; CHECK: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i0]], i32 1
> -; CHECK: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i1]], i32 1
> -; CHECK: %index.next = add nuw i64 %index, 2
> -; CHECK: [[VEC_IV_1_NEXT]] = add <2 x i64> [[VEC_IV_1]], <i64 2, i64 2>
> -; CHECK: [[VEC_IV_2_NEXT]] = add <2 x i32> [[VEC_IV_2]], <i32 2, i32 2>
> ;
> -; IND-LABEL: @iv_vector_and_scalar_users(
> -; IND: vector.body:
> -; IND: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND: [[VEC_IV:%.+]] = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ [[VEC_IV_NEXT:%.+]], %vector.body ]
> -; IND: %[[i1:.+]] = or i64 %index, 1
> -; IND: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %index, i32 1
> -; IND: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i1]], i32 1
> -; IND: %index.next = add nuw i64 %index, 2
> -; IND: [[VEC_IV_NEXT]] = add <2 x i32> [[VEC_IV]], <i32 2, i32 2>
> ;
> -; UNROLL-LABEL: @iv_vector_and_scalar_users(
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL: [[VEC_IV:%.+]] = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ [[VEC_IV_NEXT:%.+]], %vector.body ]
> -; UNROLL: %[[i1:.+]] = or i64 %index, 1
> -; UNROLL: %[[i2:.+]] = or i64 %index, 2
> -; UNROLL: %[[i3:.+]] = or i64 %index, 3
> -; UNROLL: %[[add:.+]]= add <2 x i32> %[[splat:.+]], <i32 2, i32 poison>
> -; UNROLL: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %index, i32 1
> -; UNROLL: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i1]], i32 1
> -; UNROLL: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i2]], i32 1
> -; UNROLL: getelementptr inbounds %pair.i16, %pair.i16* %p, i64 %[[i3]], i32 1
> -; UNROLL: %index.next = add nuw i64 %index, 4
> -; UNROLL: [[VEC_IV_NEXT]] = add <2 x i32> [[VEC_IV]], <i32 4, i32 4>
>
> %pair.i16 = type { i16, i16 }
> define void @iv_vector_and_scalar_users(%pair.i16* %p, i32 %a, i32 %n) {
> +; CHECK-LABEL: @iv_vector_and_scalar_users(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; CHECK-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[A:%.*]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND1:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP5:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], [[VEC_IND1]]
> +; CHECK-NEXT: [[TMP6:%.*]] = trunc <2 x i32> [[TMP5]] to <2 x i16>
> +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR_I16:%.*]], %pair.i16* [[P:%.*]], i64 [[TMP3]], i32 1
> +; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP4]], i32 1
> +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i16> [[TMP6]], i32 0
> +; CHECK-NEXT: store i16 [[TMP9]], i16* [[TMP7]], align 2
> +; CHECK-NEXT: [[TMP10:%.*]] = extractelement <2 x i16> [[TMP6]], i32 1
> +; CHECK-NEXT: store i16 [[TMP10]], i16* [[TMP8]], align 2
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT2]] = add <2 x i32> [[VEC_IND1]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[TMP12:%.*]] = trunc i64 [[I]] to i32
> +; CHECK-NEXT: [[TMP13:%.*]] = add i32 [[A]], [[TMP12]]
> +; CHECK-NEXT: [[TMP14:%.*]] = trunc i32 [[TMP13]] to i16
> +; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[I]], i32 1
> +; CHECK-NEXT: store i16 [[TMP14]], i16* [[TMP15]], align 2
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; CHECK-NEXT: [[TMP16:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP16]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @iv_vector_and_scalar_users(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; IND-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; IND-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i32 [[TMP0]], 0
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934590
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[A:%.*]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND1:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; IND-NEXT: [[TMP4:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], [[VEC_IND1]]
> +; IND-NEXT: [[TMP5:%.*]] = trunc <2 x i32> [[TMP4]] to <2 x i16>
> +; IND-NEXT: [[TMP6:%.*]] = getelementptr inbounds [[PAIR_I16:%.*]], %pair.i16* [[P:%.*]], i64 [[INDEX]], i32 1
> +; IND-NEXT: [[TMP7:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP3]], i32 1
> +; IND-NEXT: [[TMP8:%.*]] = extractelement <2 x i16> [[TMP5]], i32 0
> +; IND-NEXT: store i16 [[TMP8]], i16* [[TMP6]], align 2
> +; IND-NEXT: [[TMP9:%.*]] = extractelement <2 x i16> [[TMP5]], i32 1
> +; IND-NEXT: store i16 [[TMP9]], i16* [[TMP7]], align 2
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT2]] = add <2 x i32> [[VEC_IND1]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP10:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP11:%.*]] = trunc i64 [[I]] to i32
> +; IND-NEXT: [[TMP12:%.*]] = add i32 [[TMP11]], [[A]]
> +; IND-NEXT: [[TMP13:%.*]] = trunc i32 [[TMP12]] to i16
> +; IND-NEXT: [[TMP14:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[I]], i32 1
> +; IND-NEXT: store i16 [[TMP13]], i16* [[TMP14]], align 2
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; IND-NEXT: [[TMP15:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; IND-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP15]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @iv_vector_and_scalar_users(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 3
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[A:%.*]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <2 x i32> poison, i32 [[A]], i32 0
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; UNROLL-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 2
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 3
> +; UNROLL-NEXT: [[TMP6:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], [[VEC_IND2]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = add <2 x i32> [[BROADCAST_SPLATINSERT6]], <i32 2, i32 poison>
> +; UNROLL-NEXT: [[TMP8:%.*]] = shufflevector <2 x i32> [[TMP7]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[TMP9:%.*]] = add <2 x i32> [[TMP8]], [[VEC_IND2]]
> +; UNROLL-NEXT: [[TMP10:%.*]] = trunc <2 x i32> [[TMP6]] to <2 x i16>
> +; UNROLL-NEXT: [[TMP11:%.*]] = trunc <2 x i32> [[TMP9]] to <2 x i16>
> +; UNROLL-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I16:%.*]], %pair.i16* [[P:%.*]], i64 [[INDEX]], i32 1
> +; UNROLL-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP3]], i32 1
> +; UNROLL-NEXT: [[TMP14:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP4]], i32 1
> +; UNROLL-NEXT: [[TMP15:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP5]], i32 1
> +; UNROLL-NEXT: [[TMP16:%.*]] = extractelement <2 x i16> [[TMP10]], i32 0
> +; UNROLL-NEXT: store i16 [[TMP16]], i16* [[TMP12]], align 2
> +; UNROLL-NEXT: [[TMP17:%.*]] = extractelement <2 x i16> [[TMP10]], i32 1
> +; UNROLL-NEXT: store i16 [[TMP17]], i16* [[TMP13]], align 2
> +; UNROLL-NEXT: [[TMP18:%.*]] = extractelement <2 x i16> [[TMP11]], i32 0
> +; UNROLL-NEXT: store i16 [[TMP18]], i16* [[TMP14]], align 2
> +; UNROLL-NEXT: [[TMP19:%.*]] = extractelement <2 x i16> [[TMP11]], i32 1
> +; UNROLL-NEXT: store i16 [[TMP19]], i16* [[TMP15]], align 2
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[VEC_IND2]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP20:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP20]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP21:%.*]] = trunc i64 [[I]] to i32
> +; UNROLL-NEXT: [[TMP22:%.*]] = add i32 [[TMP21]], [[A]]
> +; UNROLL-NEXT: [[TMP23:%.*]] = trunc i32 [[TMP22]] to i16
> +; UNROLL-NEXT: [[TMP24:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[I]], i32 1
> +; UNROLL-NEXT: store i16 [[TMP23]], i16* [[TMP24]], align 2
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NEXT: [[TMP25:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; UNROLL-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP25]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @iv_vector_and_scalar_users(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[A:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <2 x i32> poison, i32 [[A]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT7:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT6]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i64 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i64 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD3:%.*]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add <2 x i32> [[BROADCAST_SPLAT]], [[VEC_IND2]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add <2 x i32> [[BROADCAST_SPLAT7]], [[STEP_ADD3]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = trunc <2 x i32> [[TMP7]] to <2 x i16>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = trunc <2 x i32> [[TMP8]] to <2 x i16>
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = getelementptr inbounds [[PAIR_I16:%.*]], %pair.i16* [[P:%.*]], i64 [[TMP3]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP4]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP5]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP6]], i32 1
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = extractelement <2 x i16> [[TMP9]], i32 0
> +; UNROLL-NO-IC-NEXT: store i16 [[TMP15]], i16* [[TMP11]], align 2
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = extractelement <2 x i16> [[TMP9]], i32 1
> +; UNROLL-NO-IC-NEXT: store i16 [[TMP16]], i16* [[TMP12]], align 2
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = extractelement <2 x i16> [[TMP10]], i32 0
> +; UNROLL-NO-IC-NEXT: store i16 [[TMP17]], i16* [[TMP13]], align 2
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = extractelement <2 x i16> [[TMP10]], i32 1
> +; UNROLL-NO-IC-NEXT: store i16 [[TMP18]], i16* [[TMP14]], align 2
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[STEP_ADD3]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = trunc i64 [[I]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = add i32 [[A]], [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = trunc i32 [[TMP21]] to i16
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[I]], i32 1
> +; UNROLL-NO-IC-NEXT: store i16 [[TMP22]], i16* [[TMP23]], align 2
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP24]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @iv_vector_and_scalar_users(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i32 [[N:%.*]], -1
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = zext i32 [[TMP0]] to i64
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = add nuw nsw i64 [[TMP1]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 7
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934584
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[A:%.*]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT6:%.*]] = insertelement <4 x i32> poison, i32 [[A]], i32 0
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = or i64 [[INDEX]], 1
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 2
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 3
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = or i64 [[INDEX]], 4
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = or i64 [[INDEX]], 5
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = or i64 [[INDEX]], 6
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = or i64 [[INDEX]], 7
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = add <4 x i32> [[BROADCAST_SPLAT]], [[VEC_IND2]]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = add <4 x i32> [[BROADCAST_SPLATINSERT6]], <i32 4, i32 poison, i32 poison, i32 poison>
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = shufflevector <4 x i32> [[TMP11]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = add <4 x i32> [[TMP12]], [[VEC_IND2]]
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = trunc <4 x i32> [[TMP10]] to <4 x i16>
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = trunc <4 x i32> [[TMP13]] to <4 x i16>
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = getelementptr inbounds [[PAIR_I16:%.*]], %pair.i16* [[P:%.*]], i64 [[INDEX]], i32 1
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP3]], i32 1
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP4]], i32 1
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP5]], i32 1
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP6]], i32 1
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP7]], i32 1
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP8]], i32 1
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[TMP9]], i32 1
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = extractelement <4 x i16> [[TMP14]], i32 0
> +; INTERLEAVE-NEXT: store i16 [[TMP24]], i16* [[TMP16]], align 2
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = extractelement <4 x i16> [[TMP14]], i32 1
> +; INTERLEAVE-NEXT: store i16 [[TMP25]], i16* [[TMP17]], align 2
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = extractelement <4 x i16> [[TMP14]], i32 2
> +; INTERLEAVE-NEXT: store i16 [[TMP26]], i16* [[TMP18]], align 2
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = extractelement <4 x i16> [[TMP14]], i32 3
> +; INTERLEAVE-NEXT: store i16 [[TMP27]], i16* [[TMP19]], align 2
> +; INTERLEAVE-NEXT: [[TMP28:%.*]] = extractelement <4 x i16> [[TMP15]], i32 0
> +; INTERLEAVE-NEXT: store i16 [[TMP28]], i16* [[TMP20]], align 2
> +; INTERLEAVE-NEXT: [[TMP29:%.*]] = extractelement <4 x i16> [[TMP15]], i32 1
> +; INTERLEAVE-NEXT: store i16 [[TMP29]], i16* [[TMP21]], align 2
> +; INTERLEAVE-NEXT: [[TMP30:%.*]] = extractelement <4 x i16> [[TMP15]], i32 2
> +; INTERLEAVE-NEXT: store i16 [[TMP30]], i16* [[TMP22]], align 2
> +; INTERLEAVE-NEXT: [[TMP31:%.*]] = extractelement <4 x i16> [[TMP15]], i32 3
> +; INTERLEAVE-NEXT: store i16 [[TMP31]], i16* [[TMP23]], align 2
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT5]] = add <4 x i32> [[VEC_IND2]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP32:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP32]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP26:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP33:%.*]] = trunc i64 [[I]] to i32
> +; INTERLEAVE-NEXT: [[TMP34:%.*]] = add i32 [[TMP33]], [[A]]
> +; INTERLEAVE-NEXT: [[TMP35:%.*]] = trunc i32 [[TMP34]] to i16
> +; INTERLEAVE-NEXT: [[TMP36:%.*]] = getelementptr inbounds [[PAIR_I16]], %pair.i16* [[P]], i64 [[I]], i32 1
> +; INTERLEAVE-NEXT: store i16 [[TMP35]], i16* [[TMP36]], align 2
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; INTERLEAVE-NEXT: [[TMP37:%.*]] = trunc i64 [[I_NEXT]] to i32
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp eq i32 [[TMP37]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP27:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> @@ -462,9 +2858,131 @@ for.end:
> ; to 0.
> ; PR17532
>
> -; CHECK-LABEL: i8_loop
> -; CHECK: icmp eq i32 {{.*}}, 256
> define i32 @i8_loop() nounwind readnone ssp uwtable {
> +; CHECK-LABEL: @i8_loop(
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i8
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i8 0, [[TMP1]]
> +; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP3]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
> +; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[TMP3]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 256, 256
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[TMP10:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[TMP6:%.*]]
> +; CHECK: 6:
> +; CHECK-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP7:%.*]], [[TMP6]] ]
> +; CHECK-NEXT: [[B_0:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP8:%.*]], [[TMP6]] ]
> +; CHECK-NEXT: [[TMP7]] = and i32 [[A_0]], 4
> +; CHECK-NEXT: [[TMP8]] = add i8 [[B_0]], -1
> +; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i8 [[TMP8]], 0
> +; CHECK-NEXT: br i1 [[TMP9]], label [[TMP10]], label [[TMP6]], !llvm.loop [[LOOP29:![0-9]+]]
> +; CHECK: 10:
> +; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP7]], [[TMP6]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; IND-LABEL: @i8_loop(
> +; IND-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
> +; IND-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: br label [[TMP2:%.*]]
> +; IND: 2:
> +; IND-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP29:![0-9]+]]
> +; IND: 3:
> +; IND-NEXT: ret i32 0
> +;
> +; UNROLL-LABEL: @i8_loop(
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
> +; UNROLL-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[TMP2:%.*]]
> +; UNROLL: 2:
> +; UNROLL-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP29:![0-9]+]]
> +; UNROLL: 3:
> +; UNROLL-NEXT: ret i32 0
> +;
> +; UNROLL-NO-IC-LABEL: @i8_loop(
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i32> [ <i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = sub i8 0, [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i8 [[OFFSET_IDX]], -2
> +; UNROLL-NO-IC-NEXT: [[TMP4]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP5]] = and <2 x i32> [[VEC_PHI1]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = and <2 x i32> [[TMP5]], [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 256, 256
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[TMP12:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[TMP8:%.*]]
> +; UNROLL-NO-IC: 8:
> +; UNROLL-NO-IC-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP9:%.*]], [[TMP8]] ]
> +; UNROLL-NO-IC-NEXT: [[B_0:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP10:%.*]], [[TMP8]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP9]] = and i32 [[A_0]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP10]] = add i8 [[B_0]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp eq i8 [[TMP10]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP11]], label [[TMP12]], label [[TMP8]], !llvm.loop [[LOOP29:![0-9]+]]
> +; UNROLL-NO-IC: 12:
> +; UNROLL-NO-IC-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP9]], [[TMP8]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; INTERLEAVE-LABEL: @i8_loop(
> +; INTERLEAVE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
> +; INTERLEAVE-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP28:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: br label [[TMP2:%.*]]
> +; INTERLEAVE: 2:
> +; INTERLEAVE-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP29:![0-9]+]]
> +; INTERLEAVE: 3:
> +; INTERLEAVE-NEXT: ret i32 0
> +;
> br label %1
>
> ; <label>:1 ; preds = %1, %0
> @@ -479,10 +2997,132 @@ define i32 @i8_loop() nounwind readnone ssp uwtable {
> ret i32 %2
> }
>
> -; CHECK-LABEL: i16_loop
> -; CHECK: icmp eq i32 {{.*}}, 65536
>
> define i32 @i16_loop() nounwind readnone ssp uwtable {
> +; CHECK-LABEL: @i16_loop(
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i16
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i16 0, [[TMP1]]
> +; CHECK-NEXT: [[TMP2:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP3]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 65536
> +; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[TMP3]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 65536, 65536
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[TMP10:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[TMP6:%.*]]
> +; CHECK: 6:
> +; CHECK-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP7:%.*]], [[TMP6]] ]
> +; CHECK-NEXT: [[B_0:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP8:%.*]], [[TMP6]] ]
> +; CHECK-NEXT: [[TMP7]] = and i32 [[A_0]], 4
> +; CHECK-NEXT: [[TMP8]] = add i16 [[B_0]], -1
> +; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i16 [[TMP8]], 0
> +; CHECK-NEXT: br i1 [[TMP9]], label [[TMP10]], label [[TMP6]], !llvm.loop [[LOOP31:![0-9]+]]
> +; CHECK: 10:
> +; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP7]], [[TMP6]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; IND-LABEL: @i16_loop(
> +; IND-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 65536
> +; IND-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: br label [[TMP2:%.*]]
> +; IND: 2:
> +; IND-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP31:![0-9]+]]
> +; IND: 3:
> +; IND-NEXT: ret i32 0
> +;
> +; UNROLL-LABEL: @i16_loop(
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 65536
> +; UNROLL-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[TMP2:%.*]]
> +; UNROLL: 2:
> +; UNROLL-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP31:![0-9]+]]
> +; UNROLL: 3:
> +; UNROLL-NEXT: ret i32 0
> +;
> +; UNROLL-NO-IC-LABEL: @i16_loop(
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i32> [ <i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i16
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = sub i16 0, [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i16 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i16 [[OFFSET_IDX]], -2
> +; UNROLL-NO-IC-NEXT: [[TMP4]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP5]] = and <2 x i32> [[VEC_PHI1]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 65536
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = and <2 x i32> [[TMP5]], [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 65536, 65536
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[TMP12:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i16 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[TMP8:%.*]]
> +; UNROLL-NO-IC: 8:
> +; UNROLL-NO-IC-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP9:%.*]], [[TMP8]] ]
> +; UNROLL-NO-IC-NEXT: [[B_0:%.*]] = phi i16 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP10:%.*]], [[TMP8]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP9]] = and i32 [[A_0]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP10]] = add i16 [[B_0]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp eq i16 [[TMP10]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP11]], label [[TMP12]], label [[TMP8]], !llvm.loop [[LOOP31:![0-9]+]]
> +; UNROLL-NO-IC: 12:
> +; UNROLL-NO-IC-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP9]], [[TMP8]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; INTERLEAVE-LABEL: @i16_loop(
> +; INTERLEAVE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = icmp eq i32 [[INDEX_NEXT]], 65536
> +; INTERLEAVE-NEXT: br i1 [[TMP1]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP30:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: br i1 true, label [[TMP3:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: br label [[TMP2:%.*]]
> +; INTERLEAVE: 2:
> +; INTERLEAVE-NEXT: br i1 undef, label [[TMP3]], label [[TMP2]], !llvm.loop [[LOOP31:![0-9]+]]
> +; INTERLEAVE: 3:
> +; INTERLEAVE-NEXT: ret i32 0
> +;
> br label %1
>
> ; <label>:1 ; preds = %1, %0
> @@ -500,17 +3140,131 @@ define i32 @i16_loop() nounwind readnone ssp uwtable {
> ; This loop has a backedge taken count of i32_max. We need to check for this
> ; condition and branch directly to the scalar loop.
>
> -; CHECK-LABEL: max_i32_backedgetaken
> -; CHECK: br i1 true, label %scalar.ph, label %vector.ph
>
> -; CHECK: middle.block:
> -; CHECK: %[[v9:.+]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32>
> -; CHECK: scalar.ph:
> -; CHECK: %bc.resume.val = phi i32 [ 0, %middle.block ], [ 0, %[[v0:.+]] ]
> -; CHECK: %bc.merge.rdx = phi i32 [ 1, %[[v0:.+]] ], [ %[[v9]], %middle.block ]
>
> define i32 @max_i32_backedgetaken() nounwind readnone ssp uwtable {
> -
> +; CHECK-LABEL: @max_i32_backedgetaken(
> +; CHECK-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i32 0, [[INDEX]]
> +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP2]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], 0
> +; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[TMP2]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 0, 0
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[TMP9:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[TMP5:%.*]]
> +; CHECK: 5:
> +; CHECK-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP6:%.*]], [[TMP5]] ]
> +; CHECK-NEXT: [[B_0:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP7:%.*]], [[TMP5]] ]
> +; CHECK-NEXT: [[TMP6]] = and i32 [[A_0]], 4
> +; CHECK-NEXT: [[TMP7]] = add i32 [[B_0]], -1
> +; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[TMP7]], 0
> +; CHECK-NEXT: br i1 [[TMP8]], label [[TMP9]], label [[TMP5]], !llvm.loop [[LOOP33:![0-9]+]]
> +; CHECK: 9:
> +; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP6]], [[TMP5]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; IND-LABEL: @max_i32_backedgetaken(
> +; IND-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: br i1 undef, label [[TMP4:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: br label [[TMP1:%.*]]
> +; IND: 1:
> +; IND-NEXT: [[B_0:%.*]] = phi i32 [ 0, [[SCALAR_PH]] ], [ [[TMP2:%.*]], [[TMP1]] ]
> +; IND-NEXT: [[TMP2]] = add i32 [[B_0]], -1
> +; IND-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0
> +; IND-NEXT: br i1 [[TMP3]], label [[TMP4]], label [[TMP1]], !llvm.loop [[LOOP33:![0-9]+]]
> +; IND: 4:
> +; IND-NEXT: ret i32 0
> +;
> +; UNROLL-LABEL: @max_i32_backedgetaken(
> +; UNROLL-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 undef, label [[TMP4:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[TMP1:%.*]]
> +; UNROLL: 1:
> +; UNROLL-NEXT: [[B_0:%.*]] = phi i32 [ 0, [[SCALAR_PH]] ], [ [[TMP2:%.*]], [[TMP1]] ]
> +; UNROLL-NEXT: [[TMP2]] = add i32 [[B_0]], -1
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0
> +; UNROLL-NEXT: br i1 [[TMP3]], label [[TMP4]], label [[TMP1]], !llvm.loop [[LOOP33:![0-9]+]]
> +; UNROLL: 4:
> +; UNROLL-NEXT: ret i32 0
> +;
> +; UNROLL-NO-IC-LABEL: @max_i32_backedgetaken(
> +; UNROLL-NO-IC-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ <i32 1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i32> [ <i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = sub i32 0, [[INDEX]]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], -2
> +; UNROLL-NO-IC-NEXT: [[TMP3]] = and <2 x i32> [[VEC_PHI]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP4]] = and <2 x i32> [[VEC_PHI1]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = and <2 x i32> [[TMP4]], [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 0, 0
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[TMP11:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, [[MIDDLE_BLOCK]] ], [ 0, [[TMP0:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 1, [[TMP0]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[TMP7:%.*]]
> +; UNROLL-NO-IC: 7:
> +; UNROLL-NO-IC-NEXT: [[A_0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[TMP8:%.*]], [[TMP7]] ]
> +; UNROLL-NO-IC-NEXT: [[B_0:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[TMP9:%.*]], [[TMP7]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP8]] = and i32 [[A_0]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP9]] = add i32 [[B_0]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = icmp eq i32 [[TMP9]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP10]], label [[TMP11]], label [[TMP7]], !llvm.loop [[LOOP33:![0-9]+]]
> +; UNROLL-NO-IC: 11:
> +; UNROLL-NO-IC-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP8]], [[TMP7]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[DOTLCSSA]]
> +;
> +; INTERLEAVE-LABEL: @max_i32_backedgetaken(
> +; INTERLEAVE-NEXT: br i1 true, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: br i1 undef, label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP32:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: br i1 undef, label [[TMP4:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: br label [[TMP1:%.*]]
> +; INTERLEAVE: 1:
> +; INTERLEAVE-NEXT: [[B_0:%.*]] = phi i32 [ 0, [[SCALAR_PH]] ], [ [[TMP2:%.*]], [[TMP1]] ]
> +; INTERLEAVE-NEXT: [[TMP2]] = add i32 [[B_0]], -1
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp eq i32 [[TMP2]], 0
> +; INTERLEAVE-NEXT: br i1 [[TMP3]], label [[TMP4]], label [[TMP1]], !llvm.loop [[LOOP33:![0-9]+]]
> +; INTERLEAVE: 4:
> +; INTERLEAVE-NEXT: ret i32 0
> +;
> br label %1
>
> ; <label>:1 ; preds = %1, %0
> @@ -528,18 +3282,244 @@ define i32 @max_i32_backedgetaken() nounwind readnone ssp uwtable {
> ; When generating the overflow check we must sure that the induction start value
> ; is defined before the branch to the scalar preheader.
>
> -; CHECK-LABEL: testoverflowcheck
> -; CHECK: entry
> -; CHECK: %[[LOAD:.*]] = load i8
> -; CHECK: br
>
> -; CHECK: scalar.ph
> -; CHECK: phi i8 [ %{{.*}}, %middle.block ], [ %[[LOAD]], %entry ]
>
> @e = global i8 1, align 1
> @d = common global i32 0, align 4
> @c = common global i32 0, align 4
> define i32 @testoverflowcheck() {
> +; CHECK-LABEL: @testoverflowcheck(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[DOTPR_I:%.*]] = load i8, i8* @e, align 1
> +; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
> +; CHECK-NEXT: [[C_PROMOTED_I:%.*]] = load i32, i32* @c, align 4
> +; CHECK-NEXT: [[TMP1:%.*]] = sub i8 -1, [[DOTPR_I]]
> +; CHECK-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
> +; CHECK-NEXT: [[TMP3:%.*]] = add nuw nsw i32 [[TMP2]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP3]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP3]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP3]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; CHECK-NEXT: [[IND_END:%.*]] = add i8 [[DOTPR_I]], [[CAST_CRD]]
> +; CHECK-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 -1, i32 -1>, i32 [[C_PROMOTED_I]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP4]], [[VECTOR_PH]] ], [ [[TMP7:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP5:%.*]] = trunc i32 [[INDEX]] to i8
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[DOTPR_I]], [[TMP5]]
> +; CHECK-NEXT: [[TMP6:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP7]] = and <2 x i32> [[BROADCAST_SPLAT]], [[VEC_PHI]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[TMP8:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP9:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[TMP7]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[DOTPR_I]], [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[C_PROMOTED_I]], [[ENTRY]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[COND_END_I:%.*]]
> +; CHECK: cond.end.i:
> +; CHECK-NEXT: [[INC4_I:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC_I:%.*]], [[COND_END_I]] ]
> +; CHECK-NEXT: [[AND3_I:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[AND_I:%.*]], [[COND_END_I]] ]
> +; CHECK-NEXT: [[AND_I]] = and i32 [[TMP0]], [[AND3_I]]
> +; CHECK-NEXT: [[INC_I]] = add i8 [[INC4_I]], 1
> +; CHECK-NEXT: [[TOBOOL_I:%.*]] = icmp eq i8 [[INC_I]], 0
> +; CHECK-NEXT: br i1 [[TOBOOL_I]], label [[LOOPEXIT]], label [[COND_END_I]], !llvm.loop [[LOOP35:![0-9]+]]
> +; CHECK: loopexit:
> +; CHECK-NEXT: [[AND_I_LCSSA:%.*]] = phi i32 [ [[AND_I]], [[COND_END_I]] ], [ [[TMP9]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[AND_I_LCSSA]]
> +;
> +; IND-LABEL: @testoverflowcheck(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[DOTPR_I:%.*]] = load i8, i8* @e, align 1
> +; IND-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
> +; IND-NEXT: [[C_PROMOTED_I:%.*]] = load i32, i32* @c, align 4
> +; IND-NEXT: [[TMP1:%.*]] = xor i8 [[DOTPR_I]], -1
> +; IND-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
> +; IND-NEXT: [[TMP3:%.*]] = add nuw nsw i32 [[TMP2]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp eq i8 [[DOTPR_I]], -1
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[TMP3]], 510
> +; IND-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; IND-NEXT: [[IND_END:%.*]] = add i8 [[DOTPR_I]], [[CAST_CRD]]
> +; IND-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 poison, i32 -1>, i32 [[C_PROMOTED_I]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP6:%.*]] = and <2 x i32> [[TMP4]], [[BROADCAST_SPLAT]]
> +; IND-NEXT: [[TMP7:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[TMP6]])
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[DOTPR_I]], [[ENTRY:%.*]] ]
> +; IND-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], [[MIDDLE_BLOCK]] ], [ [[C_PROMOTED_I]], [[ENTRY]] ]
> +; IND-NEXT: br label [[COND_END_I:%.*]]
> +; IND: cond.end.i:
> +; IND-NEXT: [[INC4_I:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC_I:%.*]], [[COND_END_I]] ]
> +; IND-NEXT: [[TMP8:%.*]] = and i32 [[BC_MERGE_RDX]], [[TMP0]]
> +; IND-NEXT: [[INC_I]] = add i8 [[INC4_I]], 1
> +; IND-NEXT: [[TOBOOL_I:%.*]] = icmp eq i8 [[INC_I]], 0
> +; IND-NEXT: br i1 [[TOBOOL_I]], label [[LOOPEXIT]], label [[COND_END_I]], !llvm.loop [[LOOP35:![0-9]+]]
> +; IND: loopexit:
> +; IND-NEXT: [[AND_I_LCSSA:%.*]] = phi i32 [ [[TMP8]], [[COND_END_I]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret i32 [[AND_I_LCSSA]]
> +;
> +; UNROLL-LABEL: @testoverflowcheck(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[DOTPR_I:%.*]] = load i8, i8* @e, align 1
> +; UNROLL-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
> +; UNROLL-NEXT: [[C_PROMOTED_I:%.*]] = load i32, i32* @c, align 4
> +; UNROLL-NEXT: [[TMP1:%.*]] = xor i8 [[DOTPR_I]], -1
> +; UNROLL-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
> +; UNROLL-NEXT: [[TMP3:%.*]] = add nuw nsw i32 [[TMP2]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ugt i8 [[DOTPR_I]], -4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[TMP3]], 508
> +; UNROLL-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NEXT: [[IND_END:%.*]] = add i8 [[DOTPR_I]], [[CAST_CRD]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 poison, i32 -1>, i32 [[C_PROMOTED_I]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[TMP6:%.*]] = and <2 x i32> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLATINSERT]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = shufflevector <2 x i32> [[TMP6]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = and <2 x i32> [[TMP7]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[DOTPR_I]], [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP8]], [[MIDDLE_BLOCK]] ], [ [[C_PROMOTED_I]], [[ENTRY]] ]
> +; UNROLL-NEXT: br label [[COND_END_I:%.*]]
> +; UNROLL: cond.end.i:
> +; UNROLL-NEXT: [[INC4_I:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC_I:%.*]], [[COND_END_I]] ]
> +; UNROLL-NEXT: [[TMP9:%.*]] = and i32 [[BC_MERGE_RDX]], [[TMP0]]
> +; UNROLL-NEXT: [[INC_I]] = add i8 [[INC4_I]], 1
> +; UNROLL-NEXT: [[TOBOOL_I:%.*]] = icmp eq i8 [[INC_I]], 0
> +; UNROLL-NEXT: br i1 [[TOBOOL_I]], label [[LOOPEXIT]], label [[COND_END_I]], !llvm.loop [[LOOP35:![0-9]+]]
> +; UNROLL: loopexit:
> +; UNROLL-NEXT: [[AND_I_LCSSA:%.*]] = phi i32 [ [[TMP9]], [[COND_END_I]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[AND_I_LCSSA]]
> +;
> +; UNROLL-NO-IC-LABEL: @testoverflowcheck(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[DOTPR_I:%.*]] = load i8, i8* @e, align 1
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
> +; UNROLL-NO-IC-NEXT: [[C_PROMOTED_I:%.*]] = load i32, i32* @c, align 4
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = sub i8 -1, [[DOTPR_I]]
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add nuw nsw i32 [[TMP2]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP3]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP3]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP3]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = add i8 [[DOTPR_I]], [[CAST_CRD]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = insertelement <2 x i32> <i32 -1, i32 -1>, i32 [[C_PROMOTED_I]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP0]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT3:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT2]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP4]], [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI1:%.*]] = phi <2 x i32> [ <i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[DOTPR_I]], [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i8 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP8]] = and <2 x i32> [[BROADCAST_SPLAT]], [[VEC_PHI]]
> +; UNROLL-NO-IC-NEXT: [[TMP9]] = and <2 x i32> [[BROADCAST_SPLAT3]], [[VEC_PHI1]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = and <2 x i32> [[TMP9]], [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = call i32 @llvm.vector.reduce.and.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[DOTPR_I]], [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[C_PROMOTED_I]], [[ENTRY]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[COND_END_I:%.*]]
> +; UNROLL-NO-IC: cond.end.i:
> +; UNROLL-NO-IC-NEXT: [[INC4_I:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC_I:%.*]], [[COND_END_I]] ]
> +; UNROLL-NO-IC-NEXT: [[AND3_I:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[AND_I:%.*]], [[COND_END_I]] ]
> +; UNROLL-NO-IC-NEXT: [[AND_I]] = and i32 [[TMP0]], [[AND3_I]]
> +; UNROLL-NO-IC-NEXT: [[INC_I]] = add i8 [[INC4_I]], 1
> +; UNROLL-NO-IC-NEXT: [[TOBOOL_I:%.*]] = icmp eq i8 [[INC_I]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TOBOOL_I]], label [[LOOPEXIT]], label [[COND_END_I]], !llvm.loop [[LOOP35:![0-9]+]]
> +; UNROLL-NO-IC: loopexit:
> +; UNROLL-NO-IC-NEXT: [[AND_I_LCSSA:%.*]] = phi i32 [ [[AND_I]], [[COND_END_I]] ], [ [[TMP11]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[AND_I_LCSSA]]
> +;
> +; INTERLEAVE-LABEL: @testoverflowcheck(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[DOTPR_I:%.*]] = load i8, i8* @e, align 1
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = load i32, i32* @d, align 4
> +; INTERLEAVE-NEXT: [[C_PROMOTED_I:%.*]] = load i32, i32* @c, align 4
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = xor i8 [[DOTPR_I]], -1
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = zext i8 [[TMP1]] to i32
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = add nuw nsw i32 [[TMP2]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ugt i8 [[DOTPR_I]], -8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[TMP3]], 504
> +; INTERLEAVE-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = add i8 [[DOTPR_I]], [[CAST_CRD]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = insertelement <4 x i32> <i32 poison, i32 -1, i32 -1, i32 -1>, i32 [[C_PROMOTED_I]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TMP0]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[TMP0]], i32 0
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP34:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = and <4 x i32> [[BROADCAST_SPLATINSERT2]], [[BROADCAST_SPLATINSERT]]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = shufflevector <4 x i32> [[TMP6]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = and <4 x i32> [[TMP7]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = call i32 @llvm.vector.reduce.and.v4i32(<4 x i32> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP3]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[DOTPR_I]], [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP8]], [[MIDDLE_BLOCK]] ], [ [[C_PROMOTED_I]], [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[COND_END_I:%.*]]
> +; INTERLEAVE: cond.end.i:
> +; INTERLEAVE-NEXT: [[INC4_I:%.*]] = phi i8 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[INC_I:%.*]], [[COND_END_I]] ]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = and i32 [[BC_MERGE_RDX]], [[TMP0]]
> +; INTERLEAVE-NEXT: [[INC_I]] = add i8 [[INC4_I]], 1
> +; INTERLEAVE-NEXT: [[TOBOOL_I:%.*]] = icmp eq i8 [[INC_I]], 0
> +; INTERLEAVE-NEXT: br i1 [[TOBOOL_I]], label [[LOOPEXIT]], label [[COND_END_I]], !llvm.loop [[LOOP35:![0-9]+]]
> +; INTERLEAVE: loopexit:
> +; INTERLEAVE-NEXT: [[AND_I_LCSSA:%.*]] = phi i32 [ [[TMP9]], [[COND_END_I]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: ret i32 [[AND_I_LCSSA]]
> +;
> entry:
> %.pr.i = load i8, i8* @e, align 1
> %0 = load i32, i32* @d, align 4
> @@ -563,21 +3543,411 @@ loopexit:
> ; we need to convert the SCEV expression into an AddRecExpr.
> ; The expression gets converted to {zext i8 %t to i32,+,1}.
>
> -; CHECK-LABEL: wrappingindvars1
> -; CHECK-LABEL: vector.scevcheck
> -; CHECK-LABEL: vector.ph
> -; CHECK: %[[START:.*]] = add <2 x i32> %{{.*}}, <i32 0, i32 1>
> -; CHECK-LABEL: vector.body
> -; CHECK: %[[PHI:.*]] = phi <2 x i32> [ %[[START]], %vector.ph ], [ %[[STEP:.*]], %vector.body ]
> -; CHECK: %[[STEP]] = add <2 x i32> %[[PHI]], <i32 2, i32 2>
> define void @wrappingindvars1(i8 %t, i32 %len, i32 *%A) {
> - entry:
> +; CHECK-LABEL: @wrappingindvars1(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[ST:%.*]] = zext i8 [[T:%.*]] to i16
> +; CHECK-NEXT: [[EXT:%.*]] = zext i8 [[T]] to i32
> +; CHECK-NEXT: [[ECMP:%.*]] = icmp ult i16 [[ST]], 42
> +; CHECK-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; CHECK: loop.preheader:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; CHECK: vector.scevcheck:
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[T]], [[TMP1]]
> +; CHECK-NEXT: [[TMP3:%.*]] = sub i8 [[T]], [[TMP1]]
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp ugt i8 [[TMP3]], [[T]]
> +; CHECK-NEXT: [[TMP5:%.*]] = icmp ult i8 [[TMP2]], [[T]]
> +; CHECK-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[LEN]], 255
> +; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; CHECK-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; CHECK-NEXT: [[TMP10:%.*]] = trunc i32 [[LEN]] to i8
> +; CHECK-NEXT: [[TMP11:%.*]] = add i8 [[T]], [[TMP10]]
> +; CHECK-NEXT: [[TMP12:%.*]] = sub i8 [[T]], [[TMP10]]
> +; CHECK-NEXT: [[TMP13:%.*]] = icmp sgt i8 [[TMP12]], [[T]]
> +; CHECK-NEXT: [[TMP14:%.*]] = icmp slt i8 [[TMP11]], [[T]]
> +; CHECK-NEXT: [[TMP15:%.*]] = select i1 false, i1 [[TMP13]], i1 [[TMP14]]
> +; CHECK-NEXT: [[TMP16:%.*]] = icmp ugt i32 [[LEN]], 255
> +; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP15]], [[TMP16]]
> +; CHECK-NEXT: [[TMP18:%.*]] = or i1 [[TMP9]], [[TMP17]]
> +; CHECK-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; CHECK-NEXT: [[IND_END:%.*]] = add i8 [[T]], [[CAST_CRD]]
> +; CHECK-NEXT: [[IND_END3:%.*]] = add i32 [[EXT]], [[N_VEC]]
> +; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i8> poison, i8 [[T]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT]], <2 x i8> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i8> [[DOTSPLAT]], <i8 0, i8 1>
> +; CHECK-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x i32> poison, i32 [[EXT]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT4]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[INDUCTION6:%.*]] = add <2 x i32> [[DOTSPLAT5]], <i32 0, i32 1>
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i8> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT8:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP19:%.*]] = trunc i32 [[INDEX]] to i8
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[T]], [[TMP19]]
> +; CHECK-NEXT: [[TMP20:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP21:%.*]] = add i8 [[OFFSET_IDX]], 1
> +; CHECK-NEXT: [[TMP22:%.*]] = add i32 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i8 [[TMP20]]
> +; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[TMP23]], i32 0
> +; CHECK-NEXT: [[TMP25:%.*]] = bitcast i32* [[TMP24]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND7]], <2 x i32>* [[TMP25]], align 4
> +; CHECK-NEXT: [[TMP26:%.*]] = add <2 x i8> [[VEC_IND]], <i8 1, i8 1>
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i8> [[VEC_IND]], <i8 2, i8 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT8]] = add <2 x i32> [[VEC_IND7]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP27:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP27]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[EXT]], [[LOOP_PREHEADER]] ], [ [[EXT]], [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: loop:
> +; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[SPHI:%.*]] = phi i32 [ [[IDX_INC_EXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[IDX]]
> +; CHECK-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; CHECK-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; CHECK-NEXT: [[IDX_INC_EXT]] = zext i8 [[IDX_INC]] to i32
> +; CHECK-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP37:![0-9]+]]
> +; CHECK: exit.loopexit:
> +; CHECK-NEXT: br label [[EXIT]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @wrappingindvars1(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; IND-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; IND-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; IND: loop.preheader:
> +; IND-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; IND: vector.scevcheck:
> +; IND-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; IND-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; IND-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; IND-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; IND-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; IND-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; IND-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; IND-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; IND-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; IND-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; IND-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; IND-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -2
> +; IND-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; IND-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; IND-NEXT: [[IND_END3:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; IND-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x i32> poison, i32 [[EXT]], i32 0
> +; IND-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT4]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[INDUCTION6:%.*]] = add nuw nsw <2 x i32> [[DOTSPLAT5]], <i32 0, i32 1>
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT8:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP12:%.*]] = trunc i32 [[INDEX]] to i8
> +; IND-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP12]], [[T]]
> +; IND-NEXT: [[TMP13:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; IND-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP13]]
> +; IND-NEXT: [[TMP15:%.*]] = bitcast i32* [[TMP14]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND7]], <2 x i32>* [[TMP15]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT8]] = add <2 x i32> [[VEC_IND7]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP16:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[EXT]], [[LOOP_PREHEADER]] ], [ [[EXT]], [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: br label [[LOOP:%.*]]
> +; IND: loop:
> +; IND-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[SPHI:%.*]] = phi i32 [ [[IDX_INC_EXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP17:%.*]] = sext i8 [[IDX]] to i64
> +; IND-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP17]]
> +; IND-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; IND-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; IND-NEXT: [[IDX_INC_EXT]] = zext i8 [[IDX_INC]] to i32
> +; IND-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; IND-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; IND-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP37:![0-9]+]]
> +; IND: exit.loopexit:
> +; IND-NEXT: br label [[EXIT]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @wrappingindvars1(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; UNROLL-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; UNROLL-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; UNROLL: loop.preheader:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL: vector.scevcheck:
> +; UNROLL-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; UNROLL-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; UNROLL-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -4
> +; UNROLL-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; UNROLL-NEXT: [[IND_END3:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; UNROLL-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <2 x i32> poison, i32 [[EXT]], i32 0
> +; UNROLL-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT5]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[INDUCTION7:%.*]] = add nuw nsw <2 x i32> [[DOTSPLAT6]], <i32 0, i32 1>
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP12:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP12]], [[T]]
> +; UNROLL-NEXT: [[STEP_ADD9:%.*]] = add <2 x i32> [[VEC_IND8]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP13:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; UNROLL-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP13]]
> +; UNROLL-NEXT: [[TMP15:%.*]] = bitcast i32* [[TMP14]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND8]], <2 x i32>* [[TMP15]], align 4
> +; UNROLL-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[TMP14]], i64 2
> +; UNROLL-NEXT: [[TMP17:%.*]] = bitcast i32* [[TMP16]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD9]], <2 x i32>* [[TMP17]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[VEC_IND8]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP18:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[EXT]], [[LOOP_PREHEADER]] ], [ [[EXT]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[SPHI:%.*]] = phi i32 [ [[IDX_INC_EXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP19:%.*]] = sext i8 [[IDX]] to i64
> +; UNROLL-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP19]]
> +; UNROLL-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; UNROLL-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; UNROLL-NEXT: [[IDX_INC_EXT]] = zext i8 [[IDX_INC]] to i32
> +; UNROLL-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; UNROLL-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; UNROLL-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP37:![0-9]+]]
> +; UNROLL: exit.loopexit:
> +; UNROLL-NEXT: br label [[EXIT]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @wrappingindvars1(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[ST:%.*]] = zext i8 [[T:%.*]] to i16
> +; UNROLL-NO-IC-NEXT: [[EXT:%.*]] = zext i8 [[T]] to i32
> +; UNROLL-NO-IC-NEXT: [[ECMP:%.*]] = icmp ult i16 [[ST]], 42
> +; UNROLL-NO-IC-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; UNROLL-NO-IC: loop.preheader:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL-NO-IC: vector.scevcheck:
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i8 [[T]], [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = sub i8 [[T]], [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = icmp ugt i8 [[TMP3]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = icmp ult i8 [[TMP2]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = add i8 [[T]], [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = sub i8 [[T]], [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = icmp sgt i8 [[TMP12]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = icmp slt i8 [[TMP11]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = select i1 false, i1 [[TMP13]], i1 [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = or i1 [[TMP15]], [[TMP16]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = or i1 [[TMP9]], [[TMP17]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = add i8 [[T]], [[CAST_CRD]]
> +; UNROLL-NO-IC-NEXT: [[IND_END3:%.*]] = add i32 [[EXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i8> poison, i8 [[T]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT]], <2 x i8> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <2 x i8> [[DOTSPLAT]], <i8 0, i8 1>
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <2 x i32> poison, i32 [[EXT]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT5]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION7:%.*]] = add <2 x i32> [[DOTSPLAT6]], <i32 0, i32 1>
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i8> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i8> [[VEC_IND]], <i8 2, i8 2>
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[T]], [[TMP19]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = add i8 [[OFFSET_IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = add i8 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = add i8 [[OFFSET_IDX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD9:%.*]] = add <2 x i32> [[VEC_IND8]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i8 [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[TMP22]]
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, i32* [[TMP26]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = bitcast i32* [[TMP28]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND8]], <2 x i32>* [[TMP29]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = getelementptr inbounds i32, i32* [[TMP26]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = bitcast i32* [[TMP30]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD9]], <2 x i32>* [[TMP31]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = add <2 x i8> [[VEC_IND]], <i8 1, i8 1>
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = add <2 x i8> [[STEP_ADD]], <i8 1, i8 1>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i8> [[STEP_ADD]], <i8 2, i8 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[STEP_ADD9]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP34]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[EXT]], [[LOOP_PREHEADER]] ], [ [[EXT]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SPHI:%.*]] = phi i32 [ [[IDX_INC_EXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[IDX]]
> +; UNROLL-NO-IC-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; UNROLL-NO-IC-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[IDX_INC_EXT]] = zext i8 [[IDX_INC]] to i32
> +; UNROLL-NO-IC-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; UNROLL-NO-IC-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; UNROLL-NO-IC-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP37:![0-9]+]]
> +; UNROLL-NO-IC: exit.loopexit:
> +; UNROLL-NO-IC-NEXT: br label [[EXIT]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @wrappingindvars1(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; INTERLEAVE-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; INTERLEAVE-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; INTERLEAVE: loop.preheader:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; INTERLEAVE: vector.scevcheck:
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; INTERLEAVE-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -8
> +; INTERLEAVE-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; INTERLEAVE-NEXT: [[IND_END3:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; INTERLEAVE-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x i32> poison, i32 [[EXT]], i32 0
> +; INTERLEAVE-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT5]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[INDUCTION7:%.*]] = add nuw nsw <4 x i32> [[DOTSPLAT6]], <i32 0, i32 1, i32 2, i32 3>
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND8:%.*]] = phi <4 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = trunc i32 [[INDEX]] to i8
> +; INTERLEAVE-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP12]], [[T]]
> +; INTERLEAVE-NEXT: [[STEP_ADD9:%.*]] = add <4 x i32> [[VEC_IND8]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP13]]
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = bitcast i32* [[TMP14]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND8]], <4 x i32>* [[TMP15]], align 4
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[TMP14]], i64 4
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = bitcast i32* [[TMP16]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD9]], <4 x i32>* [[TMP17]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT11]] = add <4 x i32> [[VEC_IND8]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP18]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP36:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL2:%.*]] = phi i32 [ [[IND_END3]], [[MIDDLE_BLOCK]] ], [ [[EXT]], [[LOOP_PREHEADER]] ], [ [[EXT]], [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
> +; INTERLEAVE: loop:
> +; INTERLEAVE-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[SPHI:%.*]] = phi i32 [ [[IDX_INC_EXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL2]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = sext i8 [[IDX]] to i64
> +; INTERLEAVE-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP19]]
> +; INTERLEAVE-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; INTERLEAVE-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; INTERLEAVE-NEXT: [[IDX_INC_EXT]] = zext i8 [[IDX_INC]] to i32
> +; INTERLEAVE-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; INTERLEAVE-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP37:![0-9]+]]
> +; INTERLEAVE: exit.loopexit:
> +; INTERLEAVE-NEXT: br label [[EXIT]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> +;
> + entry:
> %st = zext i8 %t to i16
> %ext = zext i8 %t to i32
> %ecmp = icmp ult i16 %st, 42
> br i1 %ecmp, label %loop, label %exit
>
> - loop:
> + loop:
>
> %idx = phi i8 [ %t, %entry ], [ %idx.inc, %loop ]
> %idx.b = phi i32 [ 0, %entry ], [ %idx.b.inc, %loop ]
> @@ -593,7 +3963,7 @@ define void @wrappingindvars1(i8 %t, i32 %len, i32 *%A) {
> %c = icmp ult i32 %idx.b, %len
> br i1 %c, label %loop, label %exit
>
> - exit:
> + exit:
> ret void
> }
>
> @@ -601,15 +3971,422 @@ define void @wrappingindvars1(i8 %t, i32 %len, i32 *%A) {
> ; In order to recognize %sphi as an induction PHI and vectorize this loop,
> ; we need to convert the SCEV expression into an AddRecExpr.
> ; The expression gets converted to ({4 * (zext %t to i32),+,4}).
> -; CHECK-LABEL: wrappingindvars2
> -; CHECK-LABEL: vector.scevcheck
> -; CHECK-LABEL: vector.ph
> -; CHECK: %[[START:.*]] = add <2 x i32> %{{.*}}, <i32 0, i32 4>
> -; CHECK-LABEL: vector.body
> -; CHECK: %[[PHI:.*]] = phi <2 x i32> [ %[[START]], %vector.ph ], [ %[[STEP:.*]], %vector.body ]
> -; CHECK: %[[STEP]] = add <2 x i32> %[[PHI]], <i32 8, i32 8>
> define void @wrappingindvars2(i8 %t, i32 %len, i32 *%A) {
> -
> +; CHECK-LABEL: @wrappingindvars2(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[ST:%.*]] = zext i8 [[T:%.*]] to i16
> +; CHECK-NEXT: [[EXT:%.*]] = zext i8 [[T]] to i32
> +; CHECK-NEXT: [[EXT_MUL:%.*]] = mul i32 [[EXT]], 4
> +; CHECK-NEXT: [[ECMP:%.*]] = icmp ult i16 [[ST]], 42
> +; CHECK-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; CHECK: loop.preheader:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; CHECK: vector.scevcheck:
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; CHECK-NEXT: [[TMP2:%.*]] = add i8 [[T]], [[TMP1]]
> +; CHECK-NEXT: [[TMP3:%.*]] = sub i8 [[T]], [[TMP1]]
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp ugt i8 [[TMP3]], [[T]]
> +; CHECK-NEXT: [[TMP5:%.*]] = icmp ult i8 [[TMP2]], [[T]]
> +; CHECK-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[LEN]], 255
> +; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; CHECK-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; CHECK-NEXT: [[TMP10:%.*]] = trunc i32 [[LEN]] to i8
> +; CHECK-NEXT: [[TMP11:%.*]] = add i8 [[T]], [[TMP10]]
> +; CHECK-NEXT: [[TMP12:%.*]] = sub i8 [[T]], [[TMP10]]
> +; CHECK-NEXT: [[TMP13:%.*]] = icmp sgt i8 [[TMP12]], [[T]]
> +; CHECK-NEXT: [[TMP14:%.*]] = icmp slt i8 [[TMP11]], [[T]]
> +; CHECK-NEXT: [[TMP15:%.*]] = select i1 false, i1 [[TMP13]], i1 [[TMP14]]
> +; CHECK-NEXT: [[TMP16:%.*]] = icmp ugt i32 [[LEN]], 255
> +; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP15]], [[TMP16]]
> +; CHECK-NEXT: [[TMP18:%.*]] = or i1 [[TMP9]], [[TMP17]]
> +; CHECK-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; CHECK-NEXT: [[IND_END:%.*]] = add i8 [[T]], [[CAST_CRD]]
> +; CHECK-NEXT: [[TMP19:%.*]] = mul i32 [[N_VEC]], 4
> +; CHECK-NEXT: [[IND_END2:%.*]] = add i32 [[EXT_MUL]], [[TMP19]]
> +; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i8> poison, i8 [[T]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT]], <2 x i8> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i8> [[DOTSPLAT]], <i8 0, i8 1>
> +; CHECK-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x i32> poison, i32 [[EXT_MUL]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT4]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[INDUCTION6:%.*]] = add <2 x i32> [[DOTSPLAT5]], <i32 0, i32 4>
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i8> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT8:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP20:%.*]] = trunc i32 [[INDEX]] to i8
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[T]], [[TMP20]]
> +; CHECK-NEXT: [[TMP21:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP22:%.*]] = add i8 [[OFFSET_IDX]], 1
> +; CHECK-NEXT: [[TMP23:%.*]] = add i32 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i8 [[TMP21]]
> +; CHECK-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[TMP24]], i32 0
> +; CHECK-NEXT: [[TMP26:%.*]] = bitcast i32* [[TMP25]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND7]], <2 x i32>* [[TMP26]], align 4
> +; CHECK-NEXT: [[TMP27:%.*]] = add <2 x i8> [[VEC_IND]], <i8 1, i8 1>
> +; CHECK-NEXT: [[TMP28:%.*]] = zext <2 x i8> [[TMP27]] to <2 x i32>
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i8> [[VEC_IND]], <i8 2, i8 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT8]] = add <2 x i32> [[VEC_IND7]], <i32 8, i32 8>
> +; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[EXT_MUL]], [[LOOP_PREHEADER]] ], [ [[EXT_MUL]], [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: loop:
> +; CHECK-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[SPHI:%.*]] = phi i32 [ [[MUL:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[IDX]]
> +; CHECK-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; CHECK-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; CHECK-NEXT: [[IDX_INC_EXT:%.*]] = zext i8 [[IDX_INC]] to i32
> +; CHECK-NEXT: [[MUL]] = mul i32 [[IDX_INC_EXT]], 4
> +; CHECK-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; CHECK-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; CHECK-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP39:![0-9]+]]
> +; CHECK: exit.loopexit:
> +; CHECK-NEXT: br label [[EXIT]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @wrappingindvars2(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; IND-NEXT: [[EXT_MUL:%.*]] = shl nuw nsw i32 [[EXT]], 2
> +; IND-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; IND-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; IND: loop.preheader:
> +; IND-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; IND: vector.scevcheck:
> +; IND-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; IND-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; IND-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; IND-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; IND-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; IND-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; IND-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; IND-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; IND-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; IND-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; IND-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; IND-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -2
> +; IND-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; IND-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; IND-NEXT: [[TMP12:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; IND-NEXT: [[IND_END2:%.*]] = shl i32 [[TMP12]], 2
> +; IND-NEXT: [[DOTSPLATINSERT4:%.*]] = insertelement <2 x i32> poison, i32 [[EXT_MUL]], i32 0
> +; IND-NEXT: [[DOTSPLAT5:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT4]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[INDUCTION6:%.*]] = add nuw nsw <2 x i32> [[DOTSPLAT5]], <i32 0, i32 4>
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND7:%.*]] = phi <2 x i32> [ [[INDUCTION6]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT8:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP13:%.*]] = trunc i32 [[INDEX]] to i8
> +; IND-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP13]], [[T]]
> +; IND-NEXT: [[TMP14:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; IND-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP14]]
> +; IND-NEXT: [[TMP16:%.*]] = bitcast i32* [[TMP15]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND7]], <2 x i32>* [[TMP16]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT8]] = add <2 x i32> [[VEC_IND7]], <i32 8, i32 8>
> +; IND-NEXT: [[TMP17:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP17]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[EXT_MUL]], [[LOOP_PREHEADER]] ], [ [[EXT_MUL]], [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: br label [[LOOP:%.*]]
> +; IND: loop:
> +; IND-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[SPHI:%.*]] = phi i32 [ [[MUL:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP18:%.*]] = sext i8 [[IDX]] to i64
> +; IND-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP18]]
> +; IND-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; IND-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; IND-NEXT: [[IDX_INC_EXT:%.*]] = zext i8 [[IDX_INC]] to i32
> +; IND-NEXT: [[MUL]] = shl nuw nsw i32 [[IDX_INC_EXT]], 2
> +; IND-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; IND-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; IND-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP39:![0-9]+]]
> +; IND: exit.loopexit:
> +; IND-NEXT: br label [[EXIT]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @wrappingindvars2(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; UNROLL-NEXT: [[EXT_MUL:%.*]] = shl nuw nsw i32 [[EXT]], 2
> +; UNROLL-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; UNROLL-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; UNROLL: loop.preheader:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL: vector.scevcheck:
> +; UNROLL-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; UNROLL-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; UNROLL-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -4
> +; UNROLL-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; UNROLL-NEXT: [[TMP12:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; UNROLL-NEXT: [[IND_END2:%.*]] = shl i32 [[TMP12]], 2
> +; UNROLL-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <2 x i32> poison, i32 [[EXT_MUL]], i32 0
> +; UNROLL-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT5]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[INDUCTION7:%.*]] = add nuw nsw <2 x i32> [[DOTSPLAT6]], <i32 0, i32 4>
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[TMP13:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP13]], [[T]]
> +; UNROLL-NEXT: [[STEP_ADD9:%.*]] = add <2 x i32> [[VEC_IND8]], <i32 8, i32 8>
> +; UNROLL-NEXT: [[TMP14:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; UNROLL-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP14]]
> +; UNROLL-NEXT: [[TMP16:%.*]] = bitcast i32* [[TMP15]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND8]], <2 x i32>* [[TMP16]], align 4
> +; UNROLL-NEXT: [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[TMP15]], i64 2
> +; UNROLL-NEXT: [[TMP18:%.*]] = bitcast i32* [[TMP17]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD9]], <2 x i32>* [[TMP18]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[VEC_IND8]], <i32 16, i32 16>
> +; UNROLL-NEXT: [[TMP19:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[EXT_MUL]], [[LOOP_PREHEADER]] ], [ [[EXT_MUL]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[SPHI:%.*]] = phi i32 [ [[MUL:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP20:%.*]] = sext i8 [[IDX]] to i64
> +; UNROLL-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; UNROLL-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; UNROLL-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; UNROLL-NEXT: [[IDX_INC_EXT:%.*]] = zext i8 [[IDX_INC]] to i32
> +; UNROLL-NEXT: [[MUL]] = shl nuw nsw i32 [[IDX_INC_EXT]], 2
> +; UNROLL-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; UNROLL-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; UNROLL-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP39:![0-9]+]]
> +; UNROLL: exit.loopexit:
> +; UNROLL-NEXT: br label [[EXIT]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @wrappingindvars2(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[ST:%.*]] = zext i8 [[T:%.*]] to i16
> +; UNROLL-NO-IC-NEXT: [[EXT:%.*]] = zext i8 [[T]] to i32
> +; UNROLL-NO-IC-NEXT: [[EXT_MUL:%.*]] = mul i32 [[EXT]], 4
> +; UNROLL-NO-IC-NEXT: [[ECMP:%.*]] = icmp ult i16 [[ST]], 42
> +; UNROLL-NO-IC-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; UNROLL-NO-IC: loop.preheader:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL-NO-IC: vector.scevcheck:
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i8 [[T]], [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = sub i8 [[T]], [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = icmp ugt i8 [[TMP3]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = icmp ult i8 [[TMP2]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = trunc i32 [[LEN]] to i8
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = add i8 [[T]], [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = sub i8 [[T]], [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = icmp sgt i8 [[TMP12]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = icmp slt i8 [[TMP11]], [[T]]
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = select i1 false, i1 [[TMP13]], i1 [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = icmp ugt i32 [[LEN]], 255
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = or i1 [[TMP15]], [[TMP16]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = or i1 [[TMP9]], [[TMP17]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = add i8 [[T]], [[CAST_CRD]]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = mul i32 [[N_VEC]], 4
> +; UNROLL-NO-IC-NEXT: [[IND_END2:%.*]] = add i32 [[EXT_MUL]], [[TMP19]]
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i8> poison, i8 [[T]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i8> [[DOTSPLATINSERT]], <2 x i8> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <2 x i8> [[DOTSPLAT]], <i8 0, i8 1>
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <2 x i32> poison, i32 [[EXT_MUL]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT5]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION7:%.*]] = add <2 x i32> [[DOTSPLAT6]], <i32 0, i32 4>
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i8> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i8> [[VEC_IND]], <i8 2, i8 2>
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = trunc i32 [[INDEX]] to i8
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[T]], [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = add i8 [[OFFSET_IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = add i8 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = add i8 [[OFFSET_IDX]], 3
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD9:%.*]] = add <2 x i32> [[VEC_IND8]], <i32 8, i32 8>
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i8 [[TMP21]]
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[TMP23]]
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = getelementptr inbounds i32, i32* [[TMP27]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = bitcast i32* [[TMP29]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND8]], <2 x i32>* [[TMP30]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = getelementptr inbounds i32, i32* [[TMP27]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP32:%.*]] = bitcast i32* [[TMP31]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD9]], <2 x i32>* [[TMP32]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP33:%.*]] = add <2 x i8> [[VEC_IND]], <i8 1, i8 1>
> +; UNROLL-NO-IC-NEXT: [[TMP34:%.*]] = add <2 x i8> [[STEP_ADD]], <i8 1, i8 1>
> +; UNROLL-NO-IC-NEXT: [[TMP35:%.*]] = zext <2 x i8> [[TMP33]] to <2 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP36:%.*]] = zext <2 x i8> [[TMP34]] to <2 x i32>
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i8> [[STEP_ADD]], <i8 2, i8 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[STEP_ADD9]], <i32 8, i32 8>
> +; UNROLL-NO-IC-NEXT: [[TMP37:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP37]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[EXT_MUL]], [[LOOP_PREHEADER]] ], [ [[EXT_MUL]], [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SPHI:%.*]] = phi i32 [ [[MUL:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i8 [[IDX]]
> +; UNROLL-NO-IC-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; UNROLL-NO-IC-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[IDX_INC_EXT:%.*]] = zext i8 [[IDX_INC]] to i32
> +; UNROLL-NO-IC-NEXT: [[MUL]] = mul i32 [[IDX_INC_EXT]], 4
> +; UNROLL-NO-IC-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; UNROLL-NO-IC-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; UNROLL-NO-IC-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP39:![0-9]+]]
> +; UNROLL-NO-IC: exit.loopexit:
> +; UNROLL-NO-IC-NEXT: br label [[EXIT]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @wrappingindvars2(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[EXT:%.*]] = zext i8 [[T:%.*]] to i32
> +; INTERLEAVE-NEXT: [[EXT_MUL:%.*]] = shl nuw nsw i32 [[EXT]], 2
> +; INTERLEAVE-NEXT: [[ECMP:%.*]] = icmp ult i8 [[T]], 42
> +; INTERLEAVE-NEXT: br i1 [[ECMP]], label [[LOOP_PREHEADER:%.*]], label [[EXIT:%.*]]
> +; INTERLEAVE: loop.preheader:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i32 [[LEN:%.*]], 1
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; INTERLEAVE: vector.scevcheck:
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = trunc i32 [[LEN]] to i8
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = xor i8 [[T]], -1
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp ult i8 [[TMP2]], [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = icmp ugt i32 [[LEN]], 255
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = or i1 [[TMP3]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = trunc i32 [[LEN]] to i8
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add i8 [[TMP6]], [[T]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = icmp slt i8 [[TMP7]], [[T]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = icmp ugt i32 [[LEN]], 255
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = or i1 [[TMP8]], [[TMP9]]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = or i1 [[TMP5]], [[TMP10]]
> +; INTERLEAVE-NEXT: br i1 [[TMP11]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -8
> +; INTERLEAVE-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = add i8 [[CAST_CRD]], [[T]]
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = add i32 [[N_VEC]], [[EXT]]
> +; INTERLEAVE-NEXT: [[IND_END2:%.*]] = shl i32 [[TMP12]], 2
> +; INTERLEAVE-NEXT: [[DOTSPLATINSERT5:%.*]] = insertelement <4 x i32> poison, i32 [[EXT_MUL]], i32 0
> +; INTERLEAVE-NEXT: [[DOTSPLAT6:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT5]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[INDUCTION7:%.*]] = add nuw nsw <4 x i32> [[DOTSPLAT6]], <i32 0, i32 4, i32 8, i32 12>
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND8:%.*]] = phi <4 x i32> [ [[INDUCTION7]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = trunc i32 [[INDEX]] to i8
> +; INTERLEAVE-NEXT: [[OFFSET_IDX:%.*]] = add i8 [[TMP13]], [[T]]
> +; INTERLEAVE-NEXT: [[STEP_ADD9:%.*]] = add <4 x i32> [[VEC_IND8]], <i32 16, i32 16, i32 16, i32 16>
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = sext i8 [[OFFSET_IDX]] to i64
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP14]]
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = bitcast i32* [[TMP15]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND8]], <4 x i32>* [[TMP16]], align 4
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[TMP15]], i64 4
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = bitcast i32* [[TMP17]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD9]], <4 x i32>* [[TMP18]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT11]] = add <4 x i32> [[VEC_IND8]], <i32 32, i32 32, i32 32, i32 32>
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP19]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP38:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT_LOOPEXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[T]], [[LOOP_PREHEADER]] ], [ [[T]], [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END2]], [[MIDDLE_BLOCK]] ], [ [[EXT_MUL]], [[LOOP_PREHEADER]] ], [ [[EXT_MUL]], [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL3:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[LOOP_PREHEADER]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
> +; INTERLEAVE: loop:
> +; INTERLEAVE-NEXT: [[IDX:%.*]] = phi i8 [ [[IDX_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[SPHI:%.*]] = phi i32 [ [[MUL:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[IDX_B:%.*]] = phi i32 [ [[IDX_B_INC:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL3]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = sext i8 [[IDX]] to i64
> +; INTERLEAVE-NEXT: [[PTR:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; INTERLEAVE-NEXT: store i32 [[SPHI]], i32* [[PTR]], align 4
> +; INTERLEAVE-NEXT: [[IDX_INC]] = add i8 [[IDX]], 1
> +; INTERLEAVE-NEXT: [[IDX_INC_EXT:%.*]] = zext i8 [[IDX_INC]] to i32
> +; INTERLEAVE-NEXT: [[MUL]] = shl nuw nsw i32 [[IDX_INC_EXT]], 2
> +; INTERLEAVE-NEXT: [[IDX_B_INC]] = add nuw nsw i32 [[IDX_B]], 1
> +; INTERLEAVE-NEXT: [[C:%.*]] = icmp ult i32 [[IDX_B]], [[LEN]]
> +; INTERLEAVE-NEXT: br i1 [[C]], label [[LOOP]], label [[EXIT_LOOPEXIT]], !llvm.loop [[LOOP39:![0-9]+]]
> +; INTERLEAVE: exit.loopexit:
> +; INTERLEAVE-NEXT: br label [[EXIT]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> %st = zext i8 %t to i16
> %ext = zext i8 %t to i32
> @@ -618,7 +4395,7 @@ entry:
> %ecmp = icmp ult i16 %st, 42
> br i1 %ecmp, label %loop, label %exit
>
> - loop:
> + loop:
>
> %idx = phi i8 [ %t, %entry ], [ %idx.inc, %loop ]
> %sphi = phi i32 [ %ext.mul, %entry ], [%mul, %loop]
> @@ -635,31 +4412,208 @@ entry:
> %c = icmp ult i32 %idx.b, %len
> br i1 %c, label %loop, label %exit
>
> - exit:
> + exit:
> ret void
> }
>
> ; Check that we generate vectorized IVs in the pre-header
> ; instead of widening the scalar IV inside the loop, when
> ; we know how to do that.
> -; IND-LABEL: veciv
> -; IND: vector.body:
> -; IND: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND: %vec.ind = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; IND: %index.next = add nuw i32 %index, 2
> -; IND: %vec.ind.next = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; IND: %[[CMP:.*]] = icmp eq i32 %index.next
> -; IND: br i1 %[[CMP]]
> -; UNROLL-LABEL: veciv
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL: %vec.ind = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; UNROLL: %step.add = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; UNROLL: %index.next = add nuw i32 %index, 4
> -; UNROLL: %vec.ind.next = add <2 x i32> %vec.ind, <i32 4, i32 4>
> -; UNROLL: %[[CMP:.*]] = icmp eq i32 %index.next
> -; UNROLL: br i1 %[[CMP]]
> define void @veciv(i32* nocapture %a, i32 %start, i32 %k) {
> +; CHECK-LABEL: @veciv(
> +; CHECK-NEXT: for.body.preheader:
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K:%.*]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[K]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[K]], [[N_MOD_VF]]
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1
> +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP0]]
> +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 0
> +; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP4]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[K]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @veciv(
> +; IND-NEXT: for.body.preheader:
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K:%.*]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[K]], -2
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
> +; IND-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; IND-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP2]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP3:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[K]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP4:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; IND-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP4]]
> +; IND-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; IND-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; IND-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; IND-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @veciv(
> +; UNROLL-NEXT: for.body.preheader:
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K:%.*]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[K]], -4
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
> +; UNROLL-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; UNROLL-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP2]], align 4
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 2
> +; UNROLL-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP4]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[K]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP6:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; UNROLL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP6]]
> +; UNROLL-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @veciv(
> +; UNROLL-NO-IC-NEXT: for.body.preheader:
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K:%.*]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[K]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[K]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[INDEX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[INDEX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP2]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP7]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP8]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP9]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP10]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[K]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @veciv(
> +; INTERLEAVE-NEXT: for.body.preheader:
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[K:%.*]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[K]], -8
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = bitcast i32* [[TMP1]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND]], <4 x i32>* [[TMP2]], align 4
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i64 4
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD]], <4 x i32>* [[TMP4]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP40:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N_VEC]], [[K]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; INTERLEAVE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP6]]
> +; INTERLEAVE-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; INTERLEAVE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP41:![0-9]+]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> +;
> for.body.preheader:
> br label %for.body
>
> @@ -675,15 +4629,255 @@ exit:
> ret void
> }
>
> -; IND-LABEL: trunciv
> -; IND: vector.body:
> -; IND: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND: %[[VECIND:.*]] = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ %[[STEPADD:.*]], %vector.body ]
> -; IND: %index.next = add nuw i64 %index, 2
> -; IND: %[[STEPADD]] = add <2 x i32> %[[VECIND]], <i32 2, i32 2>
> -; IND: %[[CMP:.*]] = icmp eq i64 %index.next
> -; IND: br i1 %[[CMP]]
> define void @trunciv(i32* nocapture %a, i32 %start, i64 %k) {
> +; CHECK-LABEL: @trunciv(
> +; CHECK-NEXT: for.body.preheader:
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[K:%.*]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; CHECK: vector.scevcheck:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[K]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[TMP0]] to i32
> +; CHECK-NEXT: [[TMP2:%.*]] = add i32 0, [[TMP1]]
> +; CHECK-NEXT: [[TMP3:%.*]] = sub i32 0, [[TMP1]]
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[TMP3]], 0
> +; CHECK-NEXT: [[TMP5:%.*]] = icmp slt i32 [[TMP2]], 0
> +; CHECK-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
> +; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; CHECK-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; CHECK-NEXT: br i1 [[TMP9]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[K]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[K]], [[N_MOD_VF]]
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND1:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP10:%.*]] = trunc i64 [[INDEX]] to i32
> +; CHECK-NEXT: [[TMP11:%.*]] = add i32 [[TMP10]], 0
> +; CHECK-NEXT: [[TMP12:%.*]] = add i32 [[TMP10]], 1
> +; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP11]]
> +; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[TMP13]], i32 0
> +; CHECK-NEXT: [[TMP15:%.*]] = bitcast i32* [[TMP14]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND1]], <2 x i32>* [[TMP15]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT2]] = add <2 x i32> [[VEC_IND1]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[K]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TRUNC_IV]]
> +; CHECK-NEXT: store i32 [[TRUNC_IV]], i32* [[ARRAYIDX]], align 4
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[K]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP43:![0-9]+]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @trunciv(
> +; IND-NEXT: for.body.preheader:
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[K:%.*]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; IND: vector.scevcheck:
> +; IND-NEXT: [[TMP0:%.*]] = add i64 [[K]], -2147483649
> +; IND-NEXT: [[TMP1:%.*]] = icmp ult i64 [[TMP0]], -2147483648
> +; IND-NEXT: br i1 [[TMP1]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[K]], -2
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND1:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; IND-NEXT: [[TMP2:%.*]] = ashr exact i64 [[SEXT]], 32
> +; IND-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP2]]
> +; IND-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND1]], <2 x i32>* [[TMP4]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT2]] = add <2 x i32> [[VEC_IND1]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP5:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[K]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; IND-NEXT: [[SEXT3:%.*]] = shl i64 [[INDVARS_IV]], 32
> +; IND-NEXT: [[TMP6:%.*]] = ashr exact i64 [[SEXT3]], 32
> +; IND-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP6]]
> +; IND-NEXT: store i32 [[TRUNC_IV]], i32* [[ARRAYIDX]], align 4
> +; IND-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; IND-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[K]]
> +; IND-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP43:![0-9]+]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @trunciv(
> +; UNROLL-NEXT: for.body.preheader:
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[K:%.*]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL: vector.scevcheck:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i64 [[K]], -2147483649
> +; UNROLL-NEXT: [[TMP1:%.*]] = icmp ult i64 [[TMP0]], -2147483648
> +; UNROLL-NEXT: br i1 [[TMP1]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[K]], -4
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD3:%.*]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; UNROLL-NEXT: [[TMP2:%.*]] = ashr exact i64 [[SEXT]], 32
> +; UNROLL-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP2]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND2]], <2 x i32>* [[TMP4]], align 4
> +; UNROLL-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i64 2
> +; UNROLL-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD3]], <2 x i32>* [[TMP6]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[VEC_IND2]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[K]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NEXT: [[SEXT6:%.*]] = shl i64 [[INDVARS_IV]], 32
> +; UNROLL-NEXT: [[TMP8:%.*]] = ashr exact i64 [[SEXT6]], 32
> +; UNROLL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP8]]
> +; UNROLL-NEXT: store i32 [[TRUNC_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP43:![0-9]+]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @trunciv(
> +; UNROLL-NO-IC-NEXT: for.body.preheader:
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[K:%.*]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL-NO-IC: vector.scevcheck:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[K]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i64 [[TMP0]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 0, [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = sub i32 0, [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[TMP3]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = icmp slt i32 [[TMP2]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = select i1 false, i1 [[TMP4]], i1 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = or i1 false, [[TMP8]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP9]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[K]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[K]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD3:%.*]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = trunc i64 [[INDEX]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = add i32 [[TMP10]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = add i32 [[TMP10]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = add i32 [[TMP10]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = add i32 [[TMP10]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP11]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP13]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = getelementptr inbounds i32, i32* [[TMP15]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = bitcast i32* [[TMP17]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND2]], <2 x i32>* [[TMP18]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[TMP15]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD3]], <2 x i32>* [[TMP20]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[STEP_ADD3]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[K]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TRUNC_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[TRUNC_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP43:![0-9]+]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @trunciv(
> +; INTERLEAVE-NEXT: for.body.preheader:
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[K:%.*]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; INTERLEAVE: vector.scevcheck:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i64 [[K]], -2147483649
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = icmp ult i64 [[TMP0]], -2147483648
> +; INTERLEAVE-NEXT: br i1 [[TMP1]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[K]], -8
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD3:%.*]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = ashr exact i64 [[SEXT]], 32
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP2]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND2]], <4 x i32>* [[TMP4]], align 4
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i64 4
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD3]], <4 x i32>* [[TMP6]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT5]] = add <4 x i32> [[VEC_IND2]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP42:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[K]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER:%.*]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TRUNC_IV:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; INTERLEAVE-NEXT: [[SEXT6:%.*]] = shl i64 [[INDVARS_IV]], 32
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = ashr exact i64 [[SEXT6]], 32
> +; INTERLEAVE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP8]]
> +; INTERLEAVE-NEXT: store i32 [[TRUNC_IV]], i32* [[ARRAYIDX]], align 4
> +; INTERLEAVE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], [[K]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP43:![0-9]+]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> +;
> for.body.preheader:
> br label %for.body
>
> @@ -700,65 +4894,233 @@ exit:
> ret void
> }
>
> +;
> +;
> +define void @nonprimary(i32* nocapture %a, i32 %start, i32 %i, i32 %k) {
> ; CHECK-LABEL: @nonprimary(
> -; CHECK: vector.ph:
> -; CHECK: %[[INSERT:.*]] = insertelement <2 x i32> poison, i32 %i, i32 0
> -; CHECK: %[[SPLAT:.*]] = shufflevector <2 x i32> %[[INSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> -; CHECK: %[[START:.*]] = add <2 x i32> %[[SPLAT]], <i32 0, i32 1>
> -; CHECK: vector.body:
> -; CHECK: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK: %vec.ind = phi <2 x i32> [ %[[START]], %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; CHECK: %offset.idx = add i32 %i, %index
> -; CHECK: %[[A1:.*]] = add i32 %offset.idx, 0
> -; CHECK: %[[G1:.*]] = getelementptr inbounds i32, i32* %a, i32 %[[A1]]
> -; CHECK: %[[G3:.*]] = getelementptr inbounds i32, i32* %[[G1]], i32 0
> -; CHECK: %[[B1:.*]] = bitcast i32* %[[G3]] to <2 x i32>*
> -; CHECK: store <2 x i32> %vec.ind, <2 x i32>* %[[B1]]
> -; CHECK: %index.next = add nuw i32 %index, 2
> -; CHECK: %vec.ind.next = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; CHECK: %[[CMP:.*]] = icmp eq i32 %index.next, %n.vec
> -; CHECK: br i1 %[[CMP]]
> +; CHECK-NEXT: for.body.preheader:
> +; CHECK-NEXT: [[TMP0:%.*]] = sub i32 [[K:%.*]], [[I:%.*]]
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[IND_END:%.*]] = add i32 [[I]], [[N_VEC]]
> +; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[I]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[I]], [[INDEX]]
> +; CHECK-NEXT: [[TMP1:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], 1
> +; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP1]]
> +; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP3]], i32 0
> +; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP5]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP44:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[I]], [[FOR_BODY_PREHEADER:%.*]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]]
> +; CHECK-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP45:![0-9]+]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> ;
> ; IND-LABEL: @nonprimary(
> -; IND: vector.ph:
> -; IND: %[[INSERT:.*]] = insertelement <2 x i32> poison, i32 %i, i32 0
> -; IND: %[[SPLAT:.*]] = shufflevector <2 x i32> %[[INSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> -; IND: %[[START:.*]] = add <2 x i32> %[[SPLAT]], <i32 0, i32 1>
> -; IND: vector.body:
> -; IND: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; IND: %vec.ind = phi <2 x i32> [ %[[START]], %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; IND: %[[A1:.*]] = add i32 %index, %i
> -; IND: %[[S1:.*]] = sext i32 %[[A1]] to i64
> -; IND: %[[G1:.*]] = getelementptr inbounds i32, i32* %a, i64 %[[S1]]
> -; IND: %[[B1:.*]] = bitcast i32* %[[G1]] to <2 x i32>*
> -; IND: store <2 x i32> %vec.ind, <2 x i32>* %[[B1]]
> -; IND: %index.next = add nuw i32 %index, 2
> -; IND: %vec.ind.next = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; IND: %[[CMP:.*]] = icmp eq i32 %index.next, %n.vec
> -; IND: br i1 %[[CMP]]
> +; IND-NEXT: for.body.preheader:
> +; IND-NEXT: [[TMP0:%.*]] = sub i32 [[K:%.*]], [[I:%.*]]
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -2
> +; IND-NEXT: [[IND_END:%.*]] = add i32 [[N_VEC]], [[I]]
> +; IND-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[I]], i32 0
> +; IND-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[INDEX]], [[I]]
> +; IND-NEXT: [[TMP1:%.*]] = sext i32 [[OFFSET_IDX]] to i64
> +; IND-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP1]]
> +; IND-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP3]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP44:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[I]], [[FOR_BODY_PREHEADER:%.*]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[TMP5:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; IND-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP5]]
> +; IND-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; IND-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; IND-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; IND-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP45:![0-9]+]]
> +; IND: exit:
> +; IND-NEXT: ret void
> ;
> ; UNROLL-LABEL: @nonprimary(
> -; UNROLL: vector.ph:
> -; UNROLL: %[[INSERT:.*]] = insertelement <2 x i32> poison, i32 %i, i32 0
> -; UNROLL: %[[SPLAT:.*]] = shufflevector <2 x i32> %[[INSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> -; UNROLL: %[[START:.*]] = add <2 x i32> %[[SPLAT]], <i32 0, i32 1>
> -; UNROLL: vector.body:
> -; UNROLL: %index = phi i32 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; UNROLL: %vec.ind = phi <2 x i32> [ %[[START]], %vector.ph ], [ %vec.ind.next, %vector.body ]
> -; UNROLL: %step.add = add <2 x i32> %vec.ind, <i32 2, i32 2>
> -; UNROLL: %[[A1:.*]] = add i32 %index, %i
> -; UNROLL: %[[S1:.*]] = sext i32 %[[A1]] to i64
> -; UNROLL: %[[G1:.*]] = getelementptr inbounds i32, i32* %a, i64 %[[S1]]
> -; UNROLL: %[[B1:.*]] = bitcast i32* %[[G1]] to <2 x i32>*
> -; UNROLL: store <2 x i32> %vec.ind, <2 x i32>* %[[B1]]
> -; UNROLL: %[[G2:.*]] = getelementptr inbounds i32, i32* %[[G1]], i64 2
> -; UNROLL: %[[B2:.*]] = bitcast i32* %[[G2]] to <2 x i32>*
> -; UNROLL: store <2 x i32> %step.add, <2 x i32>* %[[B2]]
> -; UNROLL: %index.next = add nuw i32 %index, 4
> -; UNROLL: %vec.ind.next = add <2 x i32> %vec.ind, <i32 4, i32 4>
> -; UNROLL: %[[CMP:.*]] = icmp eq i32 %index.next, %n.vec
> -; UNROLL: br i1 %[[CMP]]
> -define void @nonprimary(i32* nocapture %a, i32 %start, i32 %i, i32 %k) {
> +; UNROLL-NEXT: for.body.preheader:
> +; UNROLL-NEXT: [[TMP0:%.*]] = sub i32 [[K:%.*]], [[I:%.*]]
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -4
> +; UNROLL-NEXT: [[IND_END:%.*]] = add i32 [[N_VEC]], [[I]]
> +; UNROLL-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[I]], i32 0
> +; UNROLL-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[INDEX]], [[I]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = sext i32 [[OFFSET_IDX]] to i64
> +; UNROLL-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP1]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP3]], align 4
> +; UNROLL-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i64 2
> +; UNROLL-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP5]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP44:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[I]], [[FOR_BODY_PREHEADER:%.*]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[TMP7:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; UNROLL-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP7]]
> +; UNROLL-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP45:![0-9]+]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @nonprimary(
> +; UNROLL-NO-IC-NEXT: for.body.preheader:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = sub i32 [[K:%.*]], [[I:%.*]]
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP0]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP0]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = add i32 [[I]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[I]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[I]], [[INDEX]]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = add i32 [[OFFSET_IDX]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i32 [[OFFSET_IDX]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i32 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP8]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[TMP5]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD]], <2 x i32>* [[TMP10]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP44:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[I]], [[FOR_BODY_PREHEADER:%.*]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i32 [[INDVARS_IV]]
> +; UNROLL-NO-IC-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP45:![0-9]+]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @nonprimary(
> +; INTERLEAVE-NEXT: for.body.preheader:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = sub i32 [[K:%.*]], [[I:%.*]]
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP0]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i32 [[TMP0]], -8
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = add i32 [[N_VEC]], [[I]]
> +; INTERLEAVE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[I]], i32 0
> +; INTERLEAVE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[INDUCTION:%.*]] = add <4 x i32> [[DOTSPLAT]], <i32 0, i32 1, i32 2, i32 3>
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD:%.*]] = add <4 x i32> [[VEC_IND]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[OFFSET_IDX:%.*]] = add i32 [[INDEX]], [[I]]
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = sext i32 [[OFFSET_IDX]] to i64
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND]], <4 x i32>* [[TMP3]], align 4
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i64 4
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD]], <4 x i32>* [[TMP5]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[VEC_IND]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP44:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP0]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[I]], [[FOR_BODY_PREHEADER:%.*]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = sext i32 [[INDVARS_IV]] to i64
> +; INTERLEAVE-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP7]]
> +; INTERLEAVE-NEXT: store i32 [[INDVARS_IV]], i32* [[ARRAYIDX]], align 4
> +; INTERLEAVE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], [[K]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[FOR_BODY]], !llvm.loop [[LOOP45:![0-9]+]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> +;
> for.body.preheader:
> br label %for.body
>
> @@ -774,28 +5136,236 @@ exit:
> ret void
> }
>
> +define void @non_primary_iv_trunc(i32* %a, i64 %n) {
> ; CHECK-LABEL: @non_primary_iv_trunc(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], 2
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> -; CHECK-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 0, i32 2>, %vector.ph ], [ [[VEC_IND_NEXT:%.*]], %vector.body ]
> -; CHECK: [[TMP3:%.*]] = add i64 %index, 0
> -; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* %a, i64 [[TMP3]]
> -; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
> -; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <2 x i32>*
> -; CHECK-NEXT: store <2 x i32> [[VEC_IND]], <2 x i32>* [[TMP6]], align 4
> -; CHECK-NEXT: %index.next = add nuw i64 %index, 2
> -; CHECK: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 4, i32 4>
> -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
> -define void @non_primary_iv_trunc(i32* %a, i64 %n) {
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i32 0
> +; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[VEC_IND2]], <2 x i32>* [[TMP3]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 4, i64 4>
> +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 4, i32 4>
> +; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP46:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[J:%.*]] = phi i64 [ [[J_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I]]
> +; CHECK-NEXT: [[VAR1:%.*]] = trunc i64 [[J]] to i32
> +; CHECK-NEXT: store i32 [[VAR1]], i32* [[VAR0]], align 4
> +; CHECK-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; CHECK-NEXT: [[J_NEXT]] = add nuw nsw i64 [[J]], 2
> +; CHECK-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP47:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @non_primary_iv_trunc(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775806
> +; IND-NEXT: [[IND_END:%.*]] = shl nuw i64 [[N_VEC]], 1
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 0, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; IND-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[VEC_IND2]], <2 x i32>* [[TMP1]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 4, i32 4>
> +; IND-NEXT: [[TMP2:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP2]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP46:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; IND-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[J:%.*]] = phi i64 [ [[J_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I]]
> +; IND-NEXT: [[VAR1:%.*]] = trunc i64 [[J]] to i32
> +; IND-NEXT: store i32 [[VAR1]], i32* [[VAR0]], align 4
> +; IND-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; IND-NEXT: [[J_NEXT]] = add nuw nsw i64 [[J]], 2
> +; IND-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP47:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @non_primary_iv_trunc(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775804
> +; UNROLL-NEXT: [[IND_END:%.*]] = shl nuw i64 [[N_VEC]], 1
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND3:%.*]] = phi <2 x i32> [ <i32 0, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD4:%.*]] = add <2 x i32> [[VEC_IND3]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[VEC_IND3]], <2 x i32>* [[TMP1]], align 4
> +; UNROLL-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 2
> +; UNROLL-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[STEP_ADD4]], <2 x i32>* [[TMP3]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT6]] = add <2 x i32> [[VEC_IND3]], <i32 8, i32 8>
> +; UNROLL-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP46:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[J:%.*]] = phi i64 [ [[J_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I]]
> +; UNROLL-NEXT: [[VAR1:%.*]] = trunc i64 [[J]] to i32
> +; UNROLL-NEXT: store i32 [[VAR1]], i32* [[VAR0]], align 4
> +; UNROLL-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NEXT: [[J_NEXT]] = add nuw nsw i64 [[J]], 2
> +; UNROLL-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP47:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @non_primary_iv_trunc(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[SMAX]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[SMAX]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = mul i64 [[N_VEC]], 2
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND3:%.*]] = phi <2 x i32> [ <i32 0, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 4, i64 4>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD4:%.*]] = add <2 x i32> [[VEC_IND3]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[TMP0]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[VEC_IND3]], <2 x i32>* [[TMP5]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP2]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[STEP_ADD4]], <2 x i32>* [[TMP7]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 4, i64 4>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT6]] = add <2 x i32> [[STEP_ADD4]], <i32 4, i32 4>
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP8]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP46:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[J:%.*]] = phi i64 [ [[J_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I]]
> +; UNROLL-NO-IC-NEXT: [[VAR1:%.*]] = trunc i64 [[J]] to i32
> +; UNROLL-NO-IC-NEXT: store i32 [[VAR1]], i32* [[VAR0]], align 4
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[J_NEXT]] = add nuw nsw i64 [[J]], 2
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP47:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @non_primary_iv_trunc(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[SMAX:%.*]] = call i64 @llvm.smax.i64(i64 [[N:%.*]], i64 1)
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[SMAX]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[SMAX]], 9223372036854775800
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = shl nuw i64 [[N_VEC]], 1
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND3:%.*]] = phi <4 x i32> [ <i32 0, i32 2, i32 4, i32 6>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD4:%.*]] = add <4 x i32> [[VEC_IND3]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[VEC_IND3]], <4 x i32>* [[TMP1]], align 4
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 4
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[STEP_ADD4]], <4 x i32>* [[TMP3]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT6]] = add <4 x i32> [[VEC_IND3]], <i32 16, i32 16, i32 16, i32 16>
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP46:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[SMAX]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i64 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i64 [ [[I_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[J:%.*]] = phi i64 [ [[J_NEXT:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[VAR0:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[I]]
> +; INTERLEAVE-NEXT: [[VAR1:%.*]] = trunc i64 [[J]] to i32
> +; INTERLEAVE-NEXT: store i32 [[VAR1]], i32* [[VAR0]], align 4
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nuw nsw i64 [[I]], 1
> +; INTERLEAVE-NEXT: [[J_NEXT]] = add nuw nsw i64 [[J]], 2
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp slt i64 [[I_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_BODY]], label [[FOR_END]], !llvm.loop [[LOOP47:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: ret void
> +;
> entry:
> br label %for.body
>
> for.body:
> %i = phi i64 [ %i.next, %for.body ], [ 0, %entry ]
> %j = phi i64 [ %j.next, %for.body ], [ 0, %entry ]
> - %tmp0 = getelementptr inbounds i32, i32* %a, i64 %i
> - %tmp1 = trunc i64 %j to i32
> - store i32 %tmp1, i32* %tmp0, align 4
> + %var0 = getelementptr inbounds i32, i32* %a, i64 %i
> + %var1 = trunc i64 %j to i32
> + store i32 %var1, i32* %var0, align 4
> %i.next = add nuw nsw i64 %i, 1
> %j.next = add nuw nsw i64 %j, 2
> %cond = icmp slt i64 %i.next, %n
> @@ -806,48 +5376,459 @@ for.end:
> }
>
> ; PR32419. Ensure we transform truncated non-primary induction variables. In
> -; the test case below we replace %tmp1 with a new induction variable. Because
> +; the test case below we replace %var1 with a new induction variable. Because
> ; the truncated value is non-primary, we must compute an offset from the
> ; primary induction variable.
> ;
> +;
> +define i32 @PR32419(i32 %a, i16 %b) {
> ; CHECK-LABEL: @PR32419(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> zeroinitializer, i32 [[A:%.*]], i32 0
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> -; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, %vector.ph ], [ [[INDEX_NEXT:%.*]], %[[PRED_UREM_CONTINUE4:.*]] ]
> -; CHECK: [[OFFSET_IDX:%.*]] = add i32 -20, [[INDEX]]
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE4:%.*]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 -20, i32 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UREM_CONTINUE4]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[PRED_UREM_CONTINUE4]] ]
> +; CHECK-NEXT: [[VEC_IND1:%.*]] = phi <2 x i16> [ <i16 -20, i16 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[PRED_UREM_CONTINUE4]] ]
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i32 -20, [[INDEX]]
> ; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[OFFSET_IDX]] to i16
> -; CHECK: [[TMP8:%.*]] = add i16 [[TMP1]], 0
> -; CHECK-NEXT: [[TMP9:%.*]] = urem i16 %b, [[TMP8]]
> -; CHECK: [[TMP15:%.*]] = add i16 [[TMP1]], 1
> -; CHECK-NEXT: [[TMP16:%.*]] = urem i16 %b, [[TMP15]]
> -; CHECK: [[PRED_UREM_CONTINUE4]]:
> -; CHECK: br i1 {{.*}}, label %middle.block, label %vector.body
> +; CHECK-NEXT: [[TMP2:%.*]] = icmp eq <2 x i16> [[VEC_IND1]], zeroinitializer
> +; CHECK-NEXT: [[TMP3:%.*]] = xor <2 x i1> [[TMP2]], <i1 true, i1 true>
> +; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i1> [[TMP3]], i32 0
> +; CHECK-NEXT: br i1 [[TMP4]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
> +; CHECK: pred.urem.if:
> +; CHECK-NEXT: [[TMP5:%.*]] = add i16 [[TMP1]], 0
> +; CHECK-NEXT: [[TMP6:%.*]] = urem i16 [[B:%.*]], [[TMP5]]
> +; CHECK-NEXT: [[TMP7:%.*]] = insertelement <2 x i16> poison, i16 [[TMP6]], i32 0
> +; CHECK-NEXT: br label [[PRED_UREM_CONTINUE]]
> +; CHECK: pred.urem.continue:
> +; CHECK-NEXT: [[TMP8:%.*]] = phi <2 x i16> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_UREM_IF]] ]
> +; CHECK-NEXT: [[TMP9:%.*]] = extractelement <2 x i1> [[TMP3]], i32 1
> +; CHECK-NEXT: br i1 [[TMP9]], label [[PRED_UREM_IF3:%.*]], label [[PRED_UREM_CONTINUE4]]
> +; CHECK: pred.urem.if3:
> +; CHECK-NEXT: [[TMP10:%.*]] = add i16 [[TMP1]], 1
> +; CHECK-NEXT: [[TMP11:%.*]] = urem i16 [[B]], [[TMP10]]
> +; CHECK-NEXT: [[TMP12:%.*]] = insertelement <2 x i16> [[TMP8]], i16 [[TMP11]], i32 1
> +; CHECK-NEXT: br label [[PRED_UREM_CONTINUE4]]
> +; CHECK: pred.urem.continue4:
> +; CHECK-NEXT: [[TMP13:%.*]] = phi <2 x i16> [ [[TMP8]], [[PRED_UREM_CONTINUE]] ], [ [[TMP12]], [[PRED_UREM_IF3]] ]
> +; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i16> zeroinitializer, <2 x i16> [[TMP13]]
> +; CHECK-NEXT: [[TMP14:%.*]] = sext <2 x i16> [[PREDPHI]] to <2 x i32>
> +; CHECK-NEXT: [[TMP15]] = or <2 x i32> [[VEC_PHI]], [[TMP14]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT2]] = add <2 x i16> [[VEC_IND1]], <i16 2, i16 2>
> +; CHECK-NEXT: [[TMP16:%.*]] = icmp eq i32 [[INDEX_NEXT]], 20
> +; CHECK-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP17:%.*]] = call i32 @llvm.vector.reduce.or.v2i32(<2 x i32> [[TMP15]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 20, 20
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, [[MIDDLE_BLOCK]] ], [ -20, [[ENTRY:%.*]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[A]], [[ENTRY]] ], [ [[TMP17]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[FOR_BODY:%.*]]
> +; CHECK: for.body:
> +; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ]
> +; CHECK-NEXT: [[VAR0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR6:%.*]], [[FOR_INC]] ]
> +; CHECK-NEXT: [[VAR1:%.*]] = trunc i32 [[I]] to i16
> +; CHECK-NEXT: [[VAR2:%.*]] = icmp eq i16 [[VAR1]], 0
> +; CHECK-NEXT: br i1 [[VAR2]], label [[FOR_INC]], label [[FOR_COND:%.*]]
> +; CHECK: for.cond:
> +; CHECK-NEXT: [[VAR3:%.*]] = urem i16 [[B]], [[VAR1]]
> +; CHECK-NEXT: br label [[FOR_INC]]
> +; CHECK: for.inc:
> +; CHECK-NEXT: [[VAR4:%.*]] = phi i16 [ [[VAR3]], [[FOR_COND]] ], [ 0, [[FOR_BODY]] ]
> +; CHECK-NEXT: [[VAR5:%.*]] = sext i16 [[VAR4]] to i32
> +; CHECK-NEXT: [[VAR6]] = or i32 [[VAR0]], [[VAR5]]
> +; CHECK-NEXT: [[I_NEXT]] = add nsw i32 [[I]], 1
> +; CHECK-NEXT: [[COND:%.*]] = icmp eq i32 [[I_NEXT]], 0
> +; CHECK-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; CHECK: for.end:
> +; CHECK-NEXT: [[VAR7:%.*]] = phi i32 [ [[VAR6]], [[FOR_INC]] ], [ [[TMP17]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i32 [[VAR7]]
> +;
> +; IND-LABEL: @PR32419(
> +; IND-NEXT: entry:
> +; IND-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 [[A:%.*]], i32 0
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE4:%.*]] ]
> +; IND-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP15:%.*]], [[PRED_UREM_CONTINUE4]] ]
> +; IND-NEXT: [[VEC_IND1:%.*]] = phi <2 x i16> [ <i16 -20, i16 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT2:%.*]], [[PRED_UREM_CONTINUE4]] ]
> +; IND-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i16
> +; IND-NEXT: [[TMP2:%.*]] = icmp eq <2 x i16> [[VEC_IND1]], zeroinitializer
> +; IND-NEXT: [[TMP3:%.*]] = xor <2 x i1> [[TMP2]], <i1 true, i1 true>
> +; IND-NEXT: [[TMP4:%.*]] = extractelement <2 x i1> [[TMP3]], i32 0
> +; IND-NEXT: br i1 [[TMP4]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
> +; IND: pred.urem.if:
> +; IND-NEXT: [[TMP5:%.*]] = add i16 [[TMP1]], -20
> +; IND-NEXT: [[TMP6:%.*]] = urem i16 [[B:%.*]], [[TMP5]]
> +; IND-NEXT: [[TMP7:%.*]] = insertelement <2 x i16> poison, i16 [[TMP6]], i32 0
> +; IND-NEXT: br label [[PRED_UREM_CONTINUE]]
> +; IND: pred.urem.continue:
> +; IND-NEXT: [[TMP8:%.*]] = phi <2 x i16> [ poison, [[VECTOR_BODY]] ], [ [[TMP7]], [[PRED_UREM_IF]] ]
> +; IND-NEXT: [[TMP9:%.*]] = extractelement <2 x i1> [[TMP3]], i32 1
> +; IND-NEXT: br i1 [[TMP9]], label [[PRED_UREM_IF3:%.*]], label [[PRED_UREM_CONTINUE4]]
> +; IND: pred.urem.if3:
> +; IND-NEXT: [[TMP10:%.*]] = add i16 [[TMP1]], -19
> +; IND-NEXT: [[TMP11:%.*]] = urem i16 [[B]], [[TMP10]]
> +; IND-NEXT: [[TMP12:%.*]] = insertelement <2 x i16> [[TMP8]], i16 [[TMP11]], i32 1
> +; IND-NEXT: br label [[PRED_UREM_CONTINUE4]]
> +; IND: pred.urem.continue4:
> +; IND-NEXT: [[TMP13:%.*]] = phi <2 x i16> [ [[TMP8]], [[PRED_UREM_CONTINUE]] ], [ [[TMP12]], [[PRED_UREM_IF3]] ]
> +; IND-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i16> zeroinitializer, <2 x i16> [[TMP13]]
> +; IND-NEXT: [[TMP14:%.*]] = sext <2 x i16> [[PREDPHI]] to <2 x i32>
> +; IND-NEXT: [[TMP15]] = or <2 x i32> [[VEC_PHI]], [[TMP14]]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT2]] = add <2 x i16> [[VEC_IND1]], <i16 2, i16 2>
> +; IND-NEXT: [[TMP16:%.*]] = icmp eq i32 [[INDEX_NEXT]], 20
> +; IND-NEXT: br i1 [[TMP16]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP17:%.*]] = call i32 @llvm.vector.reduce.or.v2i32(<2 x i32> [[TMP15]])
> +; IND-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: br label [[FOR_BODY:%.*]]
> +; IND: for.body:
> +; IND-NEXT: br i1 undef, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
> +; IND: for.cond:
> +; IND-NEXT: br label [[FOR_INC]]
> +; IND: for.inc:
> +; IND-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; IND: for.end:
> +; IND-NEXT: [[VAR7:%.*]] = phi i32 [ undef, [[FOR_INC]] ], [ [[TMP17]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret i32 [[VAR7]]
> +;
> +; UNROLL-LABEL: @PR32419(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> <i32 poison, i32 0>, i32 [[A:%.*]], i32 0
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE12:%.*]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP28:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP29:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NEXT: [[VEC_IND3:%.*]] = phi <2 x i16> [ <i16 -20, i16 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i16
> +; UNROLL-NEXT: [[TMP2:%.*]] = icmp eq <2 x i16> [[VEC_IND3]], zeroinitializer
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp eq <2 x i16> [[VEC_IND3]], <i16 -2, i16 -2>
> +; UNROLL-NEXT: [[TMP4:%.*]] = xor <2 x i1> [[TMP2]], <i1 true, i1 true>
> +; UNROLL-NEXT: [[TMP5:%.*]] = xor <2 x i1> [[TMP3]], <i1 true, i1 true>
> +; UNROLL-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP4]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP6]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
> +; UNROLL: pred.urem.if:
> +; UNROLL-NEXT: [[TMP7:%.*]] = add i16 [[TMP1]], -20
> +; UNROLL-NEXT: [[TMP8:%.*]] = urem i16 [[B:%.*]], [[TMP7]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = insertelement <2 x i16> poison, i16 [[TMP8]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UREM_CONTINUE]]
> +; UNROLL: pred.urem.continue:
> +; UNROLL-NEXT: [[TMP10:%.*]] = phi <2 x i16> [ poison, [[VECTOR_BODY]] ], [ [[TMP9]], [[PRED_UREM_IF]] ]
> +; UNROLL-NEXT: [[TMP11:%.*]] = extractelement <2 x i1> [[TMP4]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP11]], label [[PRED_UREM_IF7:%.*]], label [[PRED_UREM_CONTINUE8:%.*]]
> +; UNROLL: pred.urem.if7:
> +; UNROLL-NEXT: [[TMP12:%.*]] = add i16 [[TMP1]], -19
> +; UNROLL-NEXT: [[TMP13:%.*]] = urem i16 [[B]], [[TMP12]]
> +; UNROLL-NEXT: [[TMP14:%.*]] = insertelement <2 x i16> [[TMP10]], i16 [[TMP13]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UREM_CONTINUE8]]
> +; UNROLL: pred.urem.continue8:
> +; UNROLL-NEXT: [[TMP15:%.*]] = phi <2 x i16> [ [[TMP10]], [[PRED_UREM_CONTINUE]] ], [ [[TMP14]], [[PRED_UREM_IF7]] ]
> +; UNROLL-NEXT: [[TMP16:%.*]] = extractelement <2 x i1> [[TMP5]], i32 0
> +; UNROLL-NEXT: br i1 [[TMP16]], label [[PRED_UREM_IF9:%.*]], label [[PRED_UREM_CONTINUE10:%.*]]
> +; UNROLL: pred.urem.if9:
> +; UNROLL-NEXT: [[TMP17:%.*]] = add i16 [[TMP1]], -18
> +; UNROLL-NEXT: [[TMP18:%.*]] = urem i16 [[B]], [[TMP17]]
> +; UNROLL-NEXT: [[TMP19:%.*]] = insertelement <2 x i16> poison, i16 [[TMP18]], i32 0
> +; UNROLL-NEXT: br label [[PRED_UREM_CONTINUE10]]
> +; UNROLL: pred.urem.continue10:
> +; UNROLL-NEXT: [[TMP20:%.*]] = phi <2 x i16> [ poison, [[PRED_UREM_CONTINUE8]] ], [ [[TMP19]], [[PRED_UREM_IF9]] ]
> +; UNROLL-NEXT: [[TMP21:%.*]] = extractelement <2 x i1> [[TMP5]], i32 1
> +; UNROLL-NEXT: br i1 [[TMP21]], label [[PRED_UREM_IF11:%.*]], label [[PRED_UREM_CONTINUE12]]
> +; UNROLL: pred.urem.if11:
> +; UNROLL-NEXT: [[TMP22:%.*]] = add i16 [[TMP1]], -17
> +; UNROLL-NEXT: [[TMP23:%.*]] = urem i16 [[B]], [[TMP22]]
> +; UNROLL-NEXT: [[TMP24:%.*]] = insertelement <2 x i16> [[TMP20]], i16 [[TMP23]], i32 1
> +; UNROLL-NEXT: br label [[PRED_UREM_CONTINUE12]]
> +; UNROLL: pred.urem.continue12:
> +; UNROLL-NEXT: [[TMP25:%.*]] = phi <2 x i16> [ [[TMP20]], [[PRED_UREM_CONTINUE10]] ], [ [[TMP24]], [[PRED_UREM_IF11]] ]
> +; UNROLL-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i16> zeroinitializer, <2 x i16> [[TMP15]]
> +; UNROLL-NEXT: [[PREDPHI13:%.*]] = select <2 x i1> [[TMP3]], <2 x i16> zeroinitializer, <2 x i16> [[TMP25]]
> +; UNROLL-NEXT: [[TMP26:%.*]] = sext <2 x i16> [[PREDPHI]] to <2 x i32>
> +; UNROLL-NEXT: [[TMP27:%.*]] = sext <2 x i16> [[PREDPHI13]] to <2 x i32>
> +; UNROLL-NEXT: [[TMP28]] = or <2 x i32> [[VEC_PHI]], [[TMP26]]
> +; UNROLL-NEXT: [[TMP29]] = or <2 x i32> [[VEC_PHI2]], [[TMP27]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT6]] = add <2 x i16> [[VEC_IND3]], <i16 4, i16 4>
> +; UNROLL-NEXT: [[TMP30:%.*]] = icmp eq i32 [[INDEX_NEXT]], 20
> +; UNROLL-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = or <2 x i32> [[TMP29]], [[TMP28]]
> +; UNROLL-NEXT: [[TMP31:%.*]] = call i32 @llvm.vector.reduce.or.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL: for.body:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_INC:%.*]], label [[FOR_COND:%.*]]
> +; UNROLL: for.cond:
> +; UNROLL-NEXT: br label [[FOR_INC]]
> +; UNROLL: for.inc:
> +; UNROLL-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; UNROLL: for.end:
> +; UNROLL-NEXT: [[VAR7:%.*]] = phi i32 [ undef, [[FOR_INC]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i32 [[VAR7]]
> +;
> +; UNROLL-NO-IC-LABEL: @PR32419(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> zeroinitializer, i32 [[A:%.*]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE12:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ <i32 -20, i32 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i32> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP28:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP29:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND3:%.*]] = phi <2 x i16> [ <i16 -20, i16 -19>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[PRED_UREM_CONTINUE12]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i32> [[VEC_IND]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD4:%.*]] = add <2 x i16> [[VEC_IND3]], <i16 2, i16 2>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = add i32 -20, [[INDEX]]
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[OFFSET_IDX]] to i16
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = icmp eq <2 x i16> [[VEC_IND3]], zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = icmp eq <2 x i16> [[STEP_ADD4]], zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = xor <2 x i1> [[TMP2]], <i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = xor <2 x i1> [[TMP3]], <i1 true, i1 true>
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP4]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP6]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
> +; UNROLL-NO-IC: pred.urem.if:
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add i16 [[TMP1]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = urem i16 [[B:%.*]], [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = insertelement <2 x i16> poison, i16 [[TMP8]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UREM_CONTINUE]]
> +; UNROLL-NO-IC: pred.urem.continue:
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = phi <2 x i16> [ poison, [[VECTOR_BODY]] ], [ [[TMP9]], [[PRED_UREM_IF]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = extractelement <2 x i1> [[TMP4]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP11]], label [[PRED_UREM_IF7:%.*]], label [[PRED_UREM_CONTINUE8:%.*]]
> +; UNROLL-NO-IC: pred.urem.if7:
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = add i16 [[TMP1]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = urem i16 [[B]], [[TMP12]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = insertelement <2 x i16> [[TMP10]], i16 [[TMP13]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UREM_CONTINUE8]]
> +; UNROLL-NO-IC: pred.urem.continue8:
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = phi <2 x i16> [ [[TMP10]], [[PRED_UREM_CONTINUE]] ], [ [[TMP14]], [[PRED_UREM_IF7]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = extractelement <2 x i1> [[TMP5]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP16]], label [[PRED_UREM_IF9:%.*]], label [[PRED_UREM_CONTINUE10:%.*]]
> +; UNROLL-NO-IC: pred.urem.if9:
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = add i16 [[TMP1]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = urem i16 [[B]], [[TMP17]]
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = insertelement <2 x i16> poison, i16 [[TMP18]], i32 0
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UREM_CONTINUE10]]
> +; UNROLL-NO-IC: pred.urem.continue10:
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = phi <2 x i16> [ poison, [[PRED_UREM_CONTINUE8]] ], [ [[TMP19]], [[PRED_UREM_IF9]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = extractelement <2 x i1> [[TMP5]], i32 1
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP21]], label [[PRED_UREM_IF11:%.*]], label [[PRED_UREM_CONTINUE12]]
> +; UNROLL-NO-IC: pred.urem.if11:
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = add i16 [[TMP1]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = urem i16 [[B]], [[TMP22]]
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = insertelement <2 x i16> [[TMP20]], i16 [[TMP23]], i32 1
> +; UNROLL-NO-IC-NEXT: br label [[PRED_UREM_CONTINUE12]]
> +; UNROLL-NO-IC: pred.urem.continue12:
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = phi <2 x i16> [ [[TMP20]], [[PRED_UREM_CONTINUE10]] ], [ [[TMP24]], [[PRED_UREM_IF11]] ]
> +; UNROLL-NO-IC-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP2]], <2 x i16> zeroinitializer, <2 x i16> [[TMP15]]
> +; UNROLL-NO-IC-NEXT: [[PREDPHI13:%.*]] = select <2 x i1> [[TMP3]], <2 x i16> zeroinitializer, <2 x i16> [[TMP25]]
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = sext <2 x i16> [[PREDPHI]] to <2 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = sext <2 x i16> [[PREDPHI13]] to <2 x i32>
> +; UNROLL-NO-IC-NEXT: [[TMP28]] = or <2 x i32> [[VEC_PHI]], [[TMP26]]
> +; UNROLL-NO-IC-NEXT: [[TMP29]] = or <2 x i32> [[VEC_PHI2]], [[TMP27]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT6]] = add <2 x i16> [[STEP_ADD4]], <i16 2, i16 2>
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = icmp eq i32 [[INDEX_NEXT]], 20
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP30]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = or <2 x i32> [[TMP29]], [[TMP28]]
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = call i32 @llvm.vector.reduce.or.v2i32(<2 x i32> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i32 20, 20
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ 0, [[MIDDLE_BLOCK]] ], [ -20, [[ENTRY:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[A]], [[ENTRY]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_BODY:%.*]]
> +; UNROLL-NO-IC: for.body:
> +; UNROLL-NO-IC-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR6:%.*]], [[FOR_INC]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR1:%.*]] = trunc i32 [[I]] to i16
> +; UNROLL-NO-IC-NEXT: [[VAR2:%.*]] = icmp eq i16 [[VAR1]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[VAR2]], label [[FOR_INC]], label [[FOR_COND:%.*]]
> +; UNROLL-NO-IC: for.cond:
> +; UNROLL-NO-IC-NEXT: [[VAR3:%.*]] = urem i16 [[B]], [[VAR1]]
> +; UNROLL-NO-IC-NEXT: br label [[FOR_INC]]
> +; UNROLL-NO-IC: for.inc:
> +; UNROLL-NO-IC-NEXT: [[VAR4:%.*]] = phi i16 [ [[VAR3]], [[FOR_COND]] ], [ 0, [[FOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VAR5:%.*]] = sext i16 [[VAR4]] to i32
> +; UNROLL-NO-IC-NEXT: [[VAR6]] = or i32 [[VAR0]], [[VAR5]]
> +; UNROLL-NO-IC-NEXT: [[I_NEXT]] = add nsw i32 [[I]], 1
> +; UNROLL-NO-IC-NEXT: [[COND:%.*]] = icmp eq i32 [[I_NEXT]], 0
> +; UNROLL-NO-IC-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; UNROLL-NO-IC: for.end:
> +; UNROLL-NO-IC-NEXT: [[VAR7:%.*]] = phi i32 [ [[VAR6]], [[FOR_INC]] ], [ [[TMP31]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i32 [[VAR7]]
> +;
> +; INTERLEAVE-LABEL: @PR32419(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = insertelement <4 x i32> <i32 poison, i32 0, i32 0, i32 0>, i32 [[A:%.*]], i32 0
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_UREM_CONTINUE20:%.*]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP0]], [[VECTOR_PH]] ], [ [[TMP48:%.*]], [[PRED_UREM_CONTINUE20]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP49:%.*]], [[PRED_UREM_CONTINUE20]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND3:%.*]] = phi <4 x i16> [ <i16 -20, i16 -19, i16 -18, i16 -17>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[PRED_UREM_CONTINUE20]] ]
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = trunc i32 [[INDEX]] to i16
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = icmp eq <4 x i16> [[VEC_IND3]], zeroinitializer
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp eq <4 x i16> [[VEC_IND3]], <i16 -4, i16 -4, i16 -4, i16 -4>
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = xor <4 x i1> [[TMP2]], <i1 true, i1 true, i1 true, i1 true>
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = xor <4 x i1> [[TMP3]], <i1 true, i1 true, i1 true, i1 true>
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = extractelement <4 x i1> [[TMP4]], i32 0
> +; INTERLEAVE-NEXT: br i1 [[TMP6]], label [[PRED_UREM_IF:%.*]], label [[PRED_UREM_CONTINUE:%.*]]
> +; INTERLEAVE: pred.urem.if:
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add i16 [[TMP1]], -20
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = urem i16 [[B:%.*]], [[TMP7]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = insertelement <4 x i16> poison, i16 [[TMP8]], i32 0
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE]]
> +; INTERLEAVE: pred.urem.continue:
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = phi <4 x i16> [ poison, [[VECTOR_BODY]] ], [ [[TMP9]], [[PRED_UREM_IF]] ]
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = extractelement <4 x i1> [[TMP4]], i32 1
> +; INTERLEAVE-NEXT: br i1 [[TMP11]], label [[PRED_UREM_IF7:%.*]], label [[PRED_UREM_CONTINUE8:%.*]]
> +; INTERLEAVE: pred.urem.if7:
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = add i16 [[TMP1]], -19
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = urem i16 [[B]], [[TMP12]]
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = insertelement <4 x i16> [[TMP10]], i16 [[TMP13]], i32 1
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE8]]
> +; INTERLEAVE: pred.urem.continue8:
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = phi <4 x i16> [ [[TMP10]], [[PRED_UREM_CONTINUE]] ], [ [[TMP14]], [[PRED_UREM_IF7]] ]
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = extractelement <4 x i1> [[TMP4]], i32 2
> +; INTERLEAVE-NEXT: br i1 [[TMP16]], label [[PRED_UREM_IF9:%.*]], label [[PRED_UREM_CONTINUE10:%.*]]
> +; INTERLEAVE: pred.urem.if9:
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = add i16 [[TMP1]], -18
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = urem i16 [[B]], [[TMP17]]
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = insertelement <4 x i16> [[TMP15]], i16 [[TMP18]], i32 2
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE10]]
> +; INTERLEAVE: pred.urem.continue10:
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = phi <4 x i16> [ [[TMP15]], [[PRED_UREM_CONTINUE8]] ], [ [[TMP19]], [[PRED_UREM_IF9]] ]
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = extractelement <4 x i1> [[TMP4]], i32 3
> +; INTERLEAVE-NEXT: br i1 [[TMP21]], label [[PRED_UREM_IF11:%.*]], label [[PRED_UREM_CONTINUE12:%.*]]
> +; INTERLEAVE: pred.urem.if11:
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = add i16 [[TMP1]], -17
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = urem i16 [[B]], [[TMP22]]
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = insertelement <4 x i16> [[TMP20]], i16 [[TMP23]], i32 3
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE12]]
> +; INTERLEAVE: pred.urem.continue12:
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = phi <4 x i16> [ [[TMP20]], [[PRED_UREM_CONTINUE10]] ], [ [[TMP24]], [[PRED_UREM_IF11]] ]
> +; INTERLEAVE-NEXT: [[TMP26:%.*]] = extractelement <4 x i1> [[TMP5]], i32 0
> +; INTERLEAVE-NEXT: br i1 [[TMP26]], label [[PRED_UREM_IF13:%.*]], label [[PRED_UREM_CONTINUE14:%.*]]
> +; INTERLEAVE: pred.urem.if13:
> +; INTERLEAVE-NEXT: [[TMP27:%.*]] = add i16 [[TMP1]], -16
> +; INTERLEAVE-NEXT: [[TMP28:%.*]] = urem i16 [[B]], [[TMP27]]
> +; INTERLEAVE-NEXT: [[TMP29:%.*]] = insertelement <4 x i16> poison, i16 [[TMP28]], i32 0
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE14]]
> +; INTERLEAVE: pred.urem.continue14:
> +; INTERLEAVE-NEXT: [[TMP30:%.*]] = phi <4 x i16> [ poison, [[PRED_UREM_CONTINUE12]] ], [ [[TMP29]], [[PRED_UREM_IF13]] ]
> +; INTERLEAVE-NEXT: [[TMP31:%.*]] = extractelement <4 x i1> [[TMP5]], i32 1
> +; INTERLEAVE-NEXT: br i1 [[TMP31]], label [[PRED_UREM_IF15:%.*]], label [[PRED_UREM_CONTINUE16:%.*]]
> +; INTERLEAVE: pred.urem.if15:
> +; INTERLEAVE-NEXT: [[TMP32:%.*]] = add i16 [[TMP1]], -15
> +; INTERLEAVE-NEXT: [[TMP33:%.*]] = urem i16 [[B]], [[TMP32]]
> +; INTERLEAVE-NEXT: [[TMP34:%.*]] = insertelement <4 x i16> [[TMP30]], i16 [[TMP33]], i32 1
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE16]]
> +; INTERLEAVE: pred.urem.continue16:
> +; INTERLEAVE-NEXT: [[TMP35:%.*]] = phi <4 x i16> [ [[TMP30]], [[PRED_UREM_CONTINUE14]] ], [ [[TMP34]], [[PRED_UREM_IF15]] ]
> +; INTERLEAVE-NEXT: [[TMP36:%.*]] = extractelement <4 x i1> [[TMP5]], i32 2
> +; INTERLEAVE-NEXT: br i1 [[TMP36]], label [[PRED_UREM_IF17:%.*]], label [[PRED_UREM_CONTINUE18:%.*]]
> +; INTERLEAVE: pred.urem.if17:
> +; INTERLEAVE-NEXT: [[TMP37:%.*]] = add i16 [[TMP1]], -14
> +; INTERLEAVE-NEXT: [[TMP38:%.*]] = urem i16 [[B]], [[TMP37]]
> +; INTERLEAVE-NEXT: [[TMP39:%.*]] = insertelement <4 x i16> [[TMP35]], i16 [[TMP38]], i32 2
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE18]]
> +; INTERLEAVE: pred.urem.continue18:
> +; INTERLEAVE-NEXT: [[TMP40:%.*]] = phi <4 x i16> [ [[TMP35]], [[PRED_UREM_CONTINUE16]] ], [ [[TMP39]], [[PRED_UREM_IF17]] ]
> +; INTERLEAVE-NEXT: [[TMP41:%.*]] = extractelement <4 x i1> [[TMP5]], i32 3
> +; INTERLEAVE-NEXT: br i1 [[TMP41]], label [[PRED_UREM_IF19:%.*]], label [[PRED_UREM_CONTINUE20]]
> +; INTERLEAVE: pred.urem.if19:
> +; INTERLEAVE-NEXT: [[TMP42:%.*]] = add i16 [[TMP1]], -13
> +; INTERLEAVE-NEXT: [[TMP43:%.*]] = urem i16 [[B]], [[TMP42]]
> +; INTERLEAVE-NEXT: [[TMP44:%.*]] = insertelement <4 x i16> [[TMP40]], i16 [[TMP43]], i32 3
> +; INTERLEAVE-NEXT: br label [[PRED_UREM_CONTINUE20]]
> +; INTERLEAVE: pred.urem.continue20:
> +; INTERLEAVE-NEXT: [[TMP45:%.*]] = phi <4 x i16> [ [[TMP40]], [[PRED_UREM_CONTINUE18]] ], [ [[TMP44]], [[PRED_UREM_IF19]] ]
> +; INTERLEAVE-NEXT: [[PREDPHI:%.*]] = select <4 x i1> [[TMP2]], <4 x i16> zeroinitializer, <4 x i16> [[TMP25]]
> +; INTERLEAVE-NEXT: [[PREDPHI21:%.*]] = select <4 x i1> [[TMP3]], <4 x i16> zeroinitializer, <4 x i16> [[TMP45]]
> +; INTERLEAVE-NEXT: [[TMP46:%.*]] = sext <4 x i16> [[PREDPHI]] to <4 x i32>
> +; INTERLEAVE-NEXT: [[TMP47:%.*]] = sext <4 x i16> [[PREDPHI21]] to <4 x i32>
> +; INTERLEAVE-NEXT: [[TMP48]] = or <4 x i32> [[VEC_PHI]], [[TMP46]]
> +; INTERLEAVE-NEXT: [[TMP49]] = or <4 x i32> [[VEC_PHI2]], [[TMP47]]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i32 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT6]] = add <4 x i16> [[VEC_IND3]], <i16 8, i16 8, i16 8, i16 8>
> +; INTERLEAVE-NEXT: [[TMP50:%.*]] = icmp eq i32 [[INDEX_NEXT]], 16
> +; INTERLEAVE-NEXT: br i1 [[TMP50]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP48:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = or <4 x i32> [[TMP49]], [[TMP48]]
> +; INTERLEAVE-NEXT: [[TMP51:%.*]] = call i32 @llvm.vector.reduce.or.v4i32(<4 x i32> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: br i1 false, label [[FOR_END:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ -4, [[MIDDLE_BLOCK]] ], [ -20, [[ENTRY:%.*]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP51]], [[MIDDLE_BLOCK]] ], [ [[A]], [[ENTRY]] ]
> +; INTERLEAVE-NEXT: br label [[FOR_BODY:%.*]]
> +; INTERLEAVE: for.body:
> +; INTERLEAVE-NEXT: [[I:%.*]] = phi i32 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[I_NEXT:%.*]], [[FOR_INC:%.*]] ]
> +; INTERLEAVE-NEXT: [[VAR0:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[VAR6:%.*]], [[FOR_INC]] ]
> +; INTERLEAVE-NEXT: [[VAR1:%.*]] = trunc i32 [[I]] to i16
> +; INTERLEAVE-NEXT: [[VAR2:%.*]] = icmp eq i16 [[VAR1]], 0
> +; INTERLEAVE-NEXT: br i1 [[VAR2]], label [[FOR_INC]], label [[FOR_COND:%.*]]
> +; INTERLEAVE: for.cond:
> +; INTERLEAVE-NEXT: [[VAR3:%.*]] = urem i16 [[B]], [[VAR1]]
> +; INTERLEAVE-NEXT: br label [[FOR_INC]]
> +; INTERLEAVE: for.inc:
> +; INTERLEAVE-NEXT: [[VAR4:%.*]] = phi i16 [ [[VAR3]], [[FOR_COND]] ], [ 0, [[FOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VAR5:%.*]] = sext i16 [[VAR4]] to i32
> +; INTERLEAVE-NEXT: [[VAR6]] = or i32 [[VAR0]], [[VAR5]]
> +; INTERLEAVE-NEXT: [[I_NEXT]] = add nsw i32 [[I]], 1
> +; INTERLEAVE-NEXT: [[COND:%.*]] = icmp eq i32 [[I_NEXT]], 0
> +; INTERLEAVE-NEXT: br i1 [[COND]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP49:![0-9]+]]
> +; INTERLEAVE: for.end:
> +; INTERLEAVE-NEXT: [[VAR7:%.*]] = phi i32 [ [[VAR6]], [[FOR_INC]] ], [ [[TMP51]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: ret i32 [[VAR7]]
> ;
> -define i32 @PR32419(i32 %a, i16 %b) {
> entry:
> br label %for.body
>
> for.body:
> %i = phi i32 [ -20, %entry ], [ %i.next, %for.inc ]
> - %tmp0 = phi i32 [ %a, %entry ], [ %tmp6, %for.inc ]
> - %tmp1 = trunc i32 %i to i16
> - %tmp2 = icmp eq i16 %tmp1, 0
> - br i1 %tmp2, label %for.inc, label %for.cond
> + %var0 = phi i32 [ %a, %entry ], [ %var6, %for.inc ]
> + %var1 = trunc i32 %i to i16
> + %var2 = icmp eq i16 %var1, 0
> + br i1 %var2, label %for.inc, label %for.cond
>
> for.cond:
> - %tmp3 = urem i16 %b, %tmp1
> + %var3 = urem i16 %b, %var1
> br label %for.inc
>
> for.inc:
> - %tmp4 = phi i16 [ %tmp3, %for.cond ], [ 0, %for.body ]
> - %tmp5 = sext i16 %tmp4 to i32
> - %tmp6 = or i32 %tmp0, %tmp5
> + %var4 = phi i16 [ %var3, %for.cond ], [ 0, %for.body ]
> + %var5 = sext i16 %var4 to i32
> + %var6 = or i32 %var0, %var5
> %i.next = add nsw i32 %i, 1
> %cond = icmp eq i32 %i.next, 0
> br i1 %cond, label %for.end, label %for.body
>
> for.end:
> - %tmp7 = phi i32 [ %tmp6, %for.inc ]
> - ret i32 %tmp7
> + %var7 = phi i32 [ %var6, %for.inc ]
> + ret i32 %var7
> }
>
> ; Ensure that the shuffle vector for first order recurrence is inserted
> @@ -856,16 +5837,383 @@ for.end:
> ; This also ensures the first-order recurrence splice recipe is placed
> ; correctly if it is fed by an induction.
> define i64 @trunc_with_first_order_recurrence() {
> -; CHECK-LABEL: trunc_with_first_order_recurrence
> -; CHECK-LABEL: vector.body:
> -; CHECK-NEXT: %index = phi i64 [ 0, %vector.ph ], [ %index.next, %vector.body ]
> -; CHECK-NEXT: %vec.phi = phi <2 x i64>
> -; CHECK-NEXT: [[VEC_IV_1:%.+]] = phi <2 x i64> [ <i64 1, i64 2>, %vector.ph ], [ [[VEC_IV_1_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV_2:%.+]] = phi <2 x i32> [ <i32 1, i32 2>, %vector.ph ], [ [[VEC_IV_2_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_RECUR:%.+]] = phi <2 x i32> [ <i32 poison, i32 42>, %vector.ph ], [ [[VEC_IV_3:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV_3]] = phi <2 x i32> [ <i32 1, i32 2>, %vector.ph ], [ [[VEC_IV_3_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV_4:%.+]] = phi <2 x i32> [ <i32 1, i32 2>, %vector.ph ], [ [[VEC_IV_4_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: shufflevector <2 x i32> [[VEC_RECUR]], <2 x i32> [[VEC_IV_3]], <2 x i32> <i32 1, i32 2>
> +; CHECK-LABEL: @trunc_with_first_order_recurrence(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 1, i64 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 42>, [[VECTOR_PH]] ], [ [[VEC_IND4:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND4]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND6:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT7:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND4]], <2 x i32> <i32 1, i32 2>
> +; CHECK-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[VEC_IND2]], [[VEC_IND4]]
> +; CHECK-NEXT: [[TMP2:%.*]] = add <2 x i32> [[TMP1]], <i32 42, i32 42>
> +; CHECK-NEXT: [[TMP3:%.*]] = add <2 x i32> [[TMP0]], [[VEC_IND4]]
> +; CHECK-NEXT: [[TMP4:%.*]] = add <2 x i32> [[TMP3]], [[TMP2]]
> +; CHECK-NEXT: [[TMP5:%.*]] = sext <2 x i32> [[TMP4]] to <2 x i64>
> +; CHECK-NEXT: [[TMP6:%.*]] = add <2 x i64> [[VEC_PHI]], [[TMP5]]
> +; CHECK-NEXT: [[TMP7:%.*]] = shl <2 x i32> [[VEC_IND6]], <i32 1, i32 1>
> +; CHECK-NEXT: [[TMP8:%.*]] = add <2 x i32> [[TMP2]], [[TMP7]]
> +; CHECK-NEXT: [[TMP9:%.*]] = sext <2 x i32> [[TMP8]] to <2 x i64>
> +; CHECK-NEXT: [[TMP10]] = add <2 x i64> [[TMP6]], [[TMP9]]
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[VEC_IND4]], <i32 2, i32 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT7]] = add <2 x i32> [[VEC_IND6]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], 112
> +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[TMP12:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[TMP10]])
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 113, 112
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[VEC_IND4]], i32 1
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[VEC_IND4]], i32 0
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 42, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 113, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 113, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: exit:
> +; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[C23:%.*]], [[LOOP]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: ret i64 [[DOTLCSSA]]
> +; CHECK: loop:
> +; CHECK-NEXT: [[C5:%.*]] = phi i64 [ [[C23]], [[LOOP]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[X:%.*]] = phi i32 [ [[C24:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[C6:%.*]], [[LOOP]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; CHECK-NEXT: [[C6]] = trunc i64 [[INDVARS_IV]] to i32
> +; CHECK-NEXT: [[C8:%.*]] = mul i32 [[X]], [[C6]]
> +; CHECK-NEXT: [[C9:%.*]] = add i32 [[C8]], 42
> +; CHECK-NEXT: [[C10:%.*]] = add i32 [[SCALAR_RECUR]], [[C6]]
> +; CHECK-NEXT: [[C11:%.*]] = add i32 [[C10]], [[C9]]
> +; CHECK-NEXT: [[C12:%.*]] = sext i32 [[C11]] to i64
> +; CHECK-NEXT: [[C13:%.*]] = add i64 [[C5]], [[C12]]
> +; CHECK-NEXT: [[INDVARS_IV_TR:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; CHECK-NEXT: [[C14:%.*]] = shl i32 [[INDVARS_IV_TR]], 1
> +; CHECK-NEXT: [[C15:%.*]] = add i32 [[C9]], [[C14]]
> +; CHECK-NEXT: [[C16:%.*]] = sext i32 [[C15]] to i64
> +; CHECK-NEXT: [[C23]] = add i64 [[C13]], [[C16]]
> +; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; CHECK-NEXT: [[C24]] = add nuw nsw i32 [[X]], 1
> +; CHECK-NEXT: [[EXITCOND_I:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 114
> +; CHECK-NEXT: br i1 [[EXITCOND_I]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP51:![0-9]+]]
> +;
> +; IND-LABEL: @trunc_with_first_order_recurrence(
> +; IND-NEXT: entry:
> +; IND-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND2:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 42>, [[VECTOR_PH]] ], [ [[VEC_IND4:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND4]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT5:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND6:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT7:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND4]], <2 x i32> <i32 1, i32 2>
> +; IND-NEXT: [[TMP1:%.*]] = mul <2 x i32> [[VEC_IND2]], [[VEC_IND4]]
> +; IND-NEXT: [[TMP2:%.*]] = add <2 x i32> [[TMP1]], <i32 42, i32 42>
> +; IND-NEXT: [[TMP3:%.*]] = add <2 x i32> [[TMP0]], [[VEC_IND4]]
> +; IND-NEXT: [[TMP4:%.*]] = add <2 x i32> [[TMP3]], [[TMP2]]
> +; IND-NEXT: [[TMP5:%.*]] = sext <2 x i32> [[TMP4]] to <2 x i64>
> +; IND-NEXT: [[TMP6:%.*]] = add <2 x i64> [[VEC_PHI]], [[TMP5]]
> +; IND-NEXT: [[TMP7:%.*]] = shl <2 x i32> [[VEC_IND6]], <i32 1, i32 1>
> +; IND-NEXT: [[TMP8:%.*]] = add <2 x i32> [[TMP2]], [[TMP7]]
> +; IND-NEXT: [[TMP9:%.*]] = sext <2 x i32> [[TMP8]] to <2 x i64>
> +; IND-NEXT: [[TMP10]] = add <2 x i64> [[TMP6]], [[TMP9]]
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; IND-NEXT: [[VEC_IND_NEXT5]] = add <2 x i32> [[VEC_IND4]], <i32 2, i32 2>
> +; IND-NEXT: [[VEC_IND_NEXT7]] = add <2 x i32> [[VEC_IND6]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], 112
> +; IND-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[TMP12:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[TMP10]])
> +; IND-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[VEC_IND4]], i32 1
> +; IND-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 42, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: br label [[LOOP:%.*]]
> +; IND: exit:
> +; IND-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[C23:%.*]], [[LOOP]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: ret i64 [[DOTLCSSA]]
> +; IND: loop:
> +; IND-NEXT: [[C5:%.*]] = phi i64 [ [[C23]], [[LOOP]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[X:%.*]] = phi i32 [ [[C24:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[C6:%.*]], [[LOOP]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; IND-NEXT: [[C6]] = trunc i64 [[INDVARS_IV]] to i32
> +; IND-NEXT: [[C8:%.*]] = mul i32 [[X]], [[C6]]
> +; IND-NEXT: [[C9:%.*]] = add i32 [[C8]], 42
> +; IND-NEXT: [[C10:%.*]] = add i32 [[SCALAR_RECUR]], [[C6]]
> +; IND-NEXT: [[C11:%.*]] = add i32 [[C10]], [[C9]]
> +; IND-NEXT: [[C12:%.*]] = sext i32 [[C11]] to i64
> +; IND-NEXT: [[C13:%.*]] = add i64 [[C5]], [[C12]]
> +; IND-NEXT: [[INDVARS_IV_TR:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; IND-NEXT: [[C14:%.*]] = shl i32 [[INDVARS_IV_TR]], 1
> +; IND-NEXT: [[C15:%.*]] = add i32 [[C9]], [[C14]]
> +; IND-NEXT: [[C16:%.*]] = sext i32 [[C15]] to i64
> +; IND-NEXT: [[C23]] = add i64 [[C13]], [[C16]]
> +; IND-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; IND-NEXT: [[C24]] = add nuw nsw i32 [[X]], 1
> +; IND-NEXT: [[EXITCOND_I:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 114
> +; IND-NEXT: br i1 [[EXITCOND_I]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP51:![0-9]+]]
> +;
> +; UNROLL-LABEL: @trunc_with_first_order_recurrence(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND4:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 42>, [[VECTOR_PH]] ], [ [[STEP_ADD9:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND12:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT15:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD5:%.*]] = add <2 x i32> [[VEC_IND4]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[STEP_ADD9]] = add <2 x i32> [[VEC_IND8]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND8]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[VEC_IND8]], <2 x i32> [[STEP_ADD9]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP2:%.*]] = mul <2 x i32> [[VEC_IND4]], [[VEC_IND8]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = mul <2 x i32> [[STEP_ADD5]], [[STEP_ADD9]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = add <2 x i32> [[TMP2]], <i32 42, i32 42>
> +; UNROLL-NEXT: [[TMP5:%.*]] = add <2 x i32> [[TMP3]], <i32 42, i32 42>
> +; UNROLL-NEXT: [[TMP6:%.*]] = add <2 x i32> [[TMP0]], [[VEC_IND8]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = add <2 x i32> [[TMP1]], [[STEP_ADD9]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = add <2 x i32> [[TMP6]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = add <2 x i32> [[TMP7]], [[TMP5]]
> +; UNROLL-NEXT: [[TMP10:%.*]] = sext <2 x i32> [[TMP8]] to <2 x i64>
> +; UNROLL-NEXT: [[TMP11:%.*]] = sext <2 x i32> [[TMP9]] to <2 x i64>
> +; UNROLL-NEXT: [[TMP12:%.*]] = add <2 x i64> [[VEC_PHI]], [[TMP10]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = add <2 x i64> [[VEC_PHI2]], [[TMP11]]
> +; UNROLL-NEXT: [[TMP14:%.*]] = shl <2 x i32> [[VEC_IND12]], <i32 1, i32 1>
> +; UNROLL-NEXT: [[STEP_ADD13:%.*]] = shl <2 x i32> [[VEC_IND12]], <i32 1, i32 1>
> +; UNROLL-NEXT: [[TMP15:%.*]] = add <2 x i32> [[STEP_ADD13]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP16:%.*]] = add <2 x i32> [[TMP4]], [[TMP14]]
> +; UNROLL-NEXT: [[TMP17:%.*]] = add <2 x i32> [[TMP5]], [[TMP15]]
> +; UNROLL-NEXT: [[TMP18:%.*]] = sext <2 x i32> [[TMP16]] to <2 x i64>
> +; UNROLL-NEXT: [[TMP19:%.*]] = sext <2 x i32> [[TMP17]] to <2 x i64>
> +; UNROLL-NEXT: [[TMP20]] = add <2 x i64> [[TMP12]], [[TMP18]]
> +; UNROLL-NEXT: [[TMP21]] = add <2 x i64> [[TMP13]], [[TMP19]]
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT7]] = add <2 x i32> [[VEC_IND4]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[VEC_IND8]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[VEC_IND_NEXT15]] = add <2 x i32> [[VEC_IND12]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], 112
> +; UNROLL-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[BIN_RDX:%.*]] = add <2 x i64> [[TMP21]], [[TMP20]]
> +; UNROLL-NEXT: [[TMP23:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[BIN_RDX]])
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[STEP_ADD9]], i32 1
> +; UNROLL-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 42, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[C23:%.*]], [[LOOP]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: ret i64 [[DOTLCSSA]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: [[C5:%.*]] = phi i64 [ [[C23]], [[LOOP]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[X:%.*]] = phi i32 [ [[C24:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[C6:%.*]], [[LOOP]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NEXT: [[C6]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NEXT: [[C8:%.*]] = mul i32 [[X]], [[C6]]
> +; UNROLL-NEXT: [[C9:%.*]] = add i32 [[C8]], 42
> +; UNROLL-NEXT: [[C10:%.*]] = add i32 [[SCALAR_RECUR]], [[C6]]
> +; UNROLL-NEXT: [[C11:%.*]] = add i32 [[C10]], [[C9]]
> +; UNROLL-NEXT: [[C12:%.*]] = sext i32 [[C11]] to i64
> +; UNROLL-NEXT: [[C13:%.*]] = add i64 [[C5]], [[C12]]
> +; UNROLL-NEXT: [[INDVARS_IV_TR:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NEXT: [[C14:%.*]] = shl i32 [[INDVARS_IV_TR]], 1
> +; UNROLL-NEXT: [[C15:%.*]] = add i32 [[C9]], [[C14]]
> +; UNROLL-NEXT: [[C16:%.*]] = sext i32 [[C15]] to i64
> +; UNROLL-NEXT: [[C23]] = add i64 [[C13]], [[C16]]
> +; UNROLL-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NEXT: [[C24]] = add nuw nsw i32 [[X]], 1
> +; UNROLL-NEXT: [[EXITCOND_I:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 114
> +; UNROLL-NEXT: br i1 [[EXITCOND_I]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP51:![0-9]+]]
> +;
> +; UNROLL-NO-IC-LABEL: @trunc_with_first_order_recurrence(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_PHI2:%.*]] = phi <2 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 1, i64 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND4:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT7:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 42>, [[VECTOR_PH]] ], [ [[STEP_ADD9:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND8:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND12:%.*]] = phi <2 x i32> [ <i32 1, i32 2>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT15:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD5:%.*]] = add <2 x i32> [[VEC_IND4]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD9]] = add <2 x i32> [[VEC_IND8]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD13:%.*]] = add <2 x i32> [[VEC_IND12]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND8]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[VEC_IND8]], <2 x i32> [[STEP_ADD9]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = mul <2 x i32> [[VEC_IND4]], [[VEC_IND8]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = mul <2 x i32> [[STEP_ADD5]], [[STEP_ADD9]]
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add <2 x i32> [[TMP2]], <i32 42, i32 42>
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add <2 x i32> [[TMP3]], <i32 42, i32 42>
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add <2 x i32> [[TMP0]], [[VEC_IND8]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = add <2 x i32> [[TMP1]], [[STEP_ADD9]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = add <2 x i32> [[TMP6]], [[TMP4]]
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = add <2 x i32> [[TMP7]], [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = sext <2 x i32> [[TMP8]] to <2 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = sext <2 x i32> [[TMP9]] to <2 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = add <2 x i64> [[VEC_PHI]], [[TMP10]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = add <2 x i64> [[VEC_PHI2]], [[TMP11]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = shl <2 x i32> [[VEC_IND12]], <i32 1, i32 1>
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = shl <2 x i32> [[STEP_ADD13]], <i32 1, i32 1>
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = add <2 x i32> [[TMP4]], [[TMP14]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = add <2 x i32> [[TMP5]], [[TMP15]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = sext <2 x i32> [[TMP16]] to <2 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = sext <2 x i32> [[TMP17]] to <2 x i64>
> +; UNROLL-NO-IC-NEXT: [[TMP20]] = add <2 x i64> [[TMP12]], [[TMP18]]
> +; UNROLL-NO-IC-NEXT: [[TMP21]] = add <2 x i64> [[TMP13]], [[TMP19]]
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT7]] = add <2 x i32> [[STEP_ADD5]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT11]] = add <2 x i32> [[STEP_ADD9]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT15]] = add <2 x i32> [[STEP_ADD13]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], 112
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[BIN_RDX:%.*]] = add <2 x i64> [[TMP21]], [[TMP20]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = call i64 @llvm.vector.reduce.add.v2i64(<2 x i64> [[BIN_RDX]])
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 113, 112
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[STEP_ADD9]], i32 1
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[STEP_ADD9]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 42, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 113, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 113, [[MIDDLE_BLOCK]] ], [ 1, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[C23:%.*]], [[LOOP]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: ret i64 [[DOTLCSSA]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[C5:%.*]] = phi i64 [ [[C23]], [[LOOP]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[X:%.*]] = phi i32 [ [[C24:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[C6:%.*]], [[LOOP]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; UNROLL-NO-IC-NEXT: [[C6]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NO-IC-NEXT: [[C8:%.*]] = mul i32 [[X]], [[C6]]
> +; UNROLL-NO-IC-NEXT: [[C9:%.*]] = add i32 [[C8]], 42
> +; UNROLL-NO-IC-NEXT: [[C10:%.*]] = add i32 [[SCALAR_RECUR]], [[C6]]
> +; UNROLL-NO-IC-NEXT: [[C11:%.*]] = add i32 [[C10]], [[C9]]
> +; UNROLL-NO-IC-NEXT: [[C12:%.*]] = sext i32 [[C11]] to i64
> +; UNROLL-NO-IC-NEXT: [[C13:%.*]] = add i64 [[C5]], [[C12]]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_TR:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; UNROLL-NO-IC-NEXT: [[C14:%.*]] = shl i32 [[INDVARS_IV_TR]], 1
> +; UNROLL-NO-IC-NEXT: [[C15:%.*]] = add i32 [[C9]], [[C14]]
> +; UNROLL-NO-IC-NEXT: [[C16:%.*]] = sext i32 [[C15]] to i64
> +; UNROLL-NO-IC-NEXT: [[C23]] = add i64 [[C13]], [[C16]]
> +; UNROLL-NO-IC-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[C24]] = add nuw nsw i32 [[X]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND_I:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 114
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND_I]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP51:![0-9]+]]
> +;
> +; INTERLEAVE-LABEL: @trunc_with_first_order_recurrence(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI:%.*]] = phi <4 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP20:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i64> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP21:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND4:%.*]] = phi <4 x i32> [ <i32 1, i32 2, i32 3, i32 4>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT7:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 42>, [[VECTOR_PH]] ], [ [[STEP_ADD9:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND8:%.*]] = phi <4 x i32> [ <i32 1, i32 2, i32 3, i32 4>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT11:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND12:%.*]] = phi <4 x i32> [ <i32 1, i32 2, i32 3, i32 4>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT15:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD5:%.*]] = add <4 x i32> [[VEC_IND4]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[STEP_ADD9]] = add <4 x i32> [[VEC_IND8]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[VEC_IND8]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[VEC_IND8]], <4 x i32> [[STEP_ADD9]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = mul <4 x i32> [[VEC_IND4]], [[VEC_IND8]]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = mul <4 x i32> [[STEP_ADD5]], [[STEP_ADD9]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = add <4 x i32> [[TMP2]], <i32 42, i32 42, i32 42, i32 42>
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP3]], <i32 42, i32 42, i32 42, i32 42>
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = add <4 x i32> [[TMP0]], [[VEC_IND8]]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add <4 x i32> [[TMP1]], [[STEP_ADD9]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = add <4 x i32> [[TMP6]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = add <4 x i32> [[TMP7]], [[TMP5]]
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = sext <4 x i32> [[TMP8]] to <4 x i64>
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = sext <4 x i32> [[TMP9]] to <4 x i64>
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = add <4 x i64> [[VEC_PHI]], [[TMP10]]
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = add <4 x i64> [[VEC_PHI2]], [[TMP11]]
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = shl <4 x i32> [[VEC_IND12]], <i32 1, i32 1, i32 1, i32 1>
> +; INTERLEAVE-NEXT: [[STEP_ADD13:%.*]] = shl <4 x i32> [[VEC_IND12]], <i32 1, i32 1, i32 1, i32 1>
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = add <4 x i32> [[STEP_ADD13]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = add <4 x i32> [[TMP4]], [[TMP14]]
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = add <4 x i32> [[TMP5]], [[TMP15]]
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = sext <4 x i32> [[TMP16]] to <4 x i64>
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = sext <4 x i32> [[TMP17]] to <4 x i64>
> +; INTERLEAVE-NEXT: [[TMP20]] = add <4 x i64> [[TMP12]], [[TMP18]]
> +; INTERLEAVE-NEXT: [[TMP21]] = add <4 x i64> [[TMP13]], [[TMP19]]
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT7]] = add <4 x i32> [[VEC_IND4]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT11]] = add <4 x i32> [[VEC_IND8]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT15]] = add <4 x i32> [[VEC_IND12]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], 112
> +; INTERLEAVE-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP50:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[BIN_RDX:%.*]] = add <4 x i64> [[TMP21]], [[TMP20]]
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = call i64 @llvm.vector.reduce.add.v4i64(<4 x i64> [[BIN_RDX]])
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[STEP_ADD9]], i32 3
> +; INTERLEAVE-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 42, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 1, [[ENTRY]] ], [ 113, [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_MERGE_RDX:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: [[DOTLCSSA:%.*]] = phi i64 [ [[C23:%.*]], [[LOOP]] ], [ [[TMP23]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: ret i64 [[DOTLCSSA]]
> +; INTERLEAVE: loop:
> +; INTERLEAVE-NEXT: [[C5:%.*]] = phi i64 [ [[C23]], [[LOOP]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[X:%.*]] = phi i32 [ [[C24:%.*]], [[LOOP]] ], [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[C6:%.*]], [[LOOP]] ], [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ]
> +; INTERLEAVE-NEXT: [[C6]] = trunc i64 [[INDVARS_IV]] to i32
> +; INTERLEAVE-NEXT: [[C8:%.*]] = mul i32 [[X]], [[C6]]
> +; INTERLEAVE-NEXT: [[C9:%.*]] = add i32 [[C8]], 42
> +; INTERLEAVE-NEXT: [[C10:%.*]] = add i32 [[SCALAR_RECUR]], [[C6]]
> +; INTERLEAVE-NEXT: [[C11:%.*]] = add i32 [[C10]], [[C9]]
> +; INTERLEAVE-NEXT: [[C12:%.*]] = sext i32 [[C11]] to i64
> +; INTERLEAVE-NEXT: [[C13:%.*]] = add i64 [[C5]], [[C12]]
> +; INTERLEAVE-NEXT: [[INDVARS_IV_TR:%.*]] = trunc i64 [[INDVARS_IV]] to i32
> +; INTERLEAVE-NEXT: [[C14:%.*]] = shl i32 [[INDVARS_IV_TR]], 1
> +; INTERLEAVE-NEXT: [[C15:%.*]] = add i32 [[C9]], [[C14]]
> +; INTERLEAVE-NEXT: [[C16:%.*]] = sext i32 [[C15]] to i64
> +; INTERLEAVE-NEXT: [[C23]] = add i64 [[C13]], [[C16]]
> +; INTERLEAVE-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
> +; INTERLEAVE-NEXT: [[C24]] = add nuw nsw i32 [[X]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND_I:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 114
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND_I]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP51:![0-9]+]]
> +;
> entry:
> br label %loop
>
> @@ -899,18 +6247,270 @@ loop: ; preds = %loop, %entry
>
> ; Test case for PR52460.
> define void @pr52460_first_order_recurrence_truncated_iv(i32* noalias %src, i32* %dst) {
> -; CHECK-LABEL: vector.body:
> -; CHECK-NEXT: [[MAIN_IV:%.+]] = phi i64 [ 0, %vector.ph ], [ [[MAIN_IV_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV_64:%.+]] = phi <2 x i64> [ <i64 0, i64 1>, %vector.ph ], [ [[VEC_IV_64_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_RECUR:%.+]] = phi <2 x i32> [ <i32 poison, i32 0>, %vector.ph ], [ [[VEC_IV_32:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV_32]] = phi <2 x i32> [ <i32 0, i32 1>, %vector.ph ], [ [[VEC_IV_32_NEXT:%.+]], %vector.body ]
> -; CHECK: [[RECUR_SHUFFLE:%.+]] = shufflevector <2 x i32> [[VEC_RECUR]], <2 x i32> [[VEC_IV_32]], <2 x i32> <i32 1, i32 2>
> -; CHECK: mul nsw <2 x i32> {{.+}}, [[RECUR_SHUFFLE]]
> -; CHECK: [[ADD:%.+]] = add <2 x i32> [[VEC_IV_32]]
> -; CHECK: store <2 x i32> [[ADD]], <2 x i32>*
> -; CHECK-NEXT: [[MAIN_IV_NEXT]] = add nuw i64 [[MAIN_IV]], 2
> -; CHECK-NEXT: [[VEC_IV_64_NEXT]] = add <2 x i64> [[VEC_IV_64]], <i64 2, i64 2>
> -; CHECK-NEXT: [[VEC_IV_32_NEXT]] = add <2 x i32> [[VEC_IV_32]], <i32 2, i32 2>
> +;
> +; CHECK-LABEL: @pr52460_first_order_recurrence_truncated_iv(
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[VEC_IND2:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND2]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i64 [[INDEX]] to i32
> +; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[TMP1]], 0
> +; CHECK-NEXT: [[TMP3:%.*]] = add i32 [[TMP1]], 1
> +; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND2]], <2 x i32> <i32 1, i32 2>
> +; CHECK-NEXT: [[TMP5:%.*]] = load i32, i32* [[SRC:%.*]], align 4
> +; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP5]], i32 0
> +; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[TMP6:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT]], [[TMP4]]
> +; CHECK-NEXT: [[TMP7:%.*]] = getelementptr i32, i32* [[DST:%.*]], i32 [[TMP2]]
> +; CHECK-NEXT: [[TMP8:%.*]] = add <2 x i32> [[VEC_IND2]], [[TMP6]]
> +; CHECK-NEXT: [[TMP9:%.*]] = getelementptr i32, i32* [[TMP7]], i32 0
> +; CHECK-NEXT: [[TMP10:%.*]] = bitcast i32* [[TMP9]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[TMP8]], <2 x i32>* [[TMP10]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], 100
> +; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP52:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 100, 100
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[VEC_IND2]], i32 1
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[VEC_IND2]], i32 0
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 100, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 100, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: loop:
> +; CHECK-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[TRUNC_IV:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[TRUNC_IV_NEXT:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_TRUNC:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[LV:%.*]] = load i32, i32* [[SRC]], align 4
> +; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[LV]], [[SCALAR_RECUR]]
> +; CHECK-NEXT: [[TRUNC_IV_NEXT]] = add i32 [[TRUNC_IV]], 1
> +; CHECK-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; CHECK-NEXT: [[IV_TRUNC]] = trunc i64 [[IV]] to i32
> +; CHECK-NEXT: [[DST_GEP:%.*]] = getelementptr i32, i32* [[DST]], i32 [[IV_TRUNC]]
> +; CHECK-NEXT: [[ADD:%.*]] = add i32 [[IV_TRUNC]], [[MUL]]
> +; CHECK-NEXT: store i32 [[ADD]], i32* [[DST_GEP]], align 4
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TRUNC_IV_NEXT]], 100
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @pr52460_first_order_recurrence_truncated_iv(
> +; IND-NEXT: entry:
> +; IND-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[VEC_IND2:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND2]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND2]], <2 x i32> <i32 1, i32 2>
> +; IND-NEXT: [[TMP1:%.*]] = load i32, i32* [[SRC:%.*]], align 4
> +; IND-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP1]], i32 0
> +; IND-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[TMP2:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT]], [[TMP0]]
> +; IND-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; IND-NEXT: [[TMP3:%.*]] = ashr exact i64 [[SEXT]], 32
> +; IND-NEXT: [[TMP4:%.*]] = getelementptr i32, i32* [[DST:%.*]], i64 [[TMP3]]
> +; IND-NEXT: [[TMP5:%.*]] = add <2 x i32> [[VEC_IND2]], [[TMP2]]
> +; IND-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP4]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[TMP5]], <2 x i32>* [[TMP6]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT3]] = add <2 x i32> [[VEC_IND2]], <i32 2, i32 2>
> +; IND-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 100
> +; IND-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP52:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: br label [[LOOP:%.*]]
> +; IND: loop:
> +; IND-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @pr52460_first_order_recurrence_truncated_iv(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND3:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD4]] = add <2 x i32> [[VEC_IND3]], <i32 2, i32 2>
> +; UNROLL-NEXT: [[TMP0:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND3]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP1:%.*]] = shufflevector <2 x i32> [[VEC_IND3]], <2 x i32> [[STEP_ADD4]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP2:%.*]] = load i32, i32* [[SRC:%.*]], align 4
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP2]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <2 x i32> poison, i32 [[TMP2]], i32 0
> +; UNROLL-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT7]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[TMP3:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT]], [[TMP0]]
> +; UNROLL-NEXT: [[TMP4:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT8]], [[TMP1]]
> +; UNROLL-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; UNROLL-NEXT: [[TMP5:%.*]] = ashr exact i64 [[SEXT]], 32
> +; UNROLL-NEXT: [[TMP6:%.*]] = getelementptr i32, i32* [[DST:%.*]], i64 [[TMP5]]
> +; UNROLL-NEXT: [[TMP7:%.*]] = add <2 x i32> [[VEC_IND3]], [[TMP3]]
> +; UNROLL-NEXT: [[TMP8:%.*]] = add <2 x i32> [[STEP_ADD4]], [[TMP4]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP6]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[TMP7]], <2 x i32>* [[TMP9]], align 4
> +; UNROLL-NEXT: [[TMP10:%.*]] = getelementptr i32, i32* [[TMP6]], i64 2
> +; UNROLL-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[TMP8]], <2 x i32>* [[TMP11]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT6]] = add <2 x i32> [[VEC_IND3]], <i32 4, i32 4>
> +; UNROLL-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 100
> +; UNROLL-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP52:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: br i1 true, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: br i1 undef, label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @pr52460_first_order_recurrence_truncated_iv(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD4:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND3:%.*]] = phi <2 x i32> [ <i32 0, i32 1>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[OFFSET_IDX:%.*]] = trunc i64 [[INDEX]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i32 [[OFFSET_IDX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = add i32 [[OFFSET_IDX]], 2
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD4]] = add <2 x i32> [[VEC_IND3]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = trunc i64 [[INDEX]] to i32
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = add i32 [[TMP2]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = add i32 [[TMP2]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = add i32 [[TMP2]], 2
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i32 [[TMP2]], 3
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND3]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = shufflevector <2 x i32> [[VEC_IND3]], <2 x i32> [[STEP_ADD4]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = load i32, i32* [[SRC:%.*]], align 4
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[TMP9]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = load i32, i32* [[SRC]], align 4
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <2 x i32> poison, i32 [[TMP10]], i32 0
> +; UNROLL-NO-IC-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <2 x i32> [[BROADCAST_SPLATINSERT7]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT]], [[TMP7]]
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = mul nsw <2 x i32> [[BROADCAST_SPLAT8]], [[TMP8]]
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = getelementptr i32, i32* [[DST:%.*]], i32 [[TMP3]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = getelementptr i32, i32* [[DST]], i32 [[TMP5]]
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = add <2 x i32> [[VEC_IND3]], [[TMP11]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = add <2 x i32> [[STEP_ADD4]], [[TMP12]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = getelementptr i32, i32* [[TMP13]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = bitcast i32* [[TMP17]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[TMP15]], <2 x i32>* [[TMP18]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = getelementptr i32, i32* [[TMP13]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = bitcast i32* [[TMP19]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[TMP16]], <2 x i32>* [[TMP20]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], <i64 2, i64 2>
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT6]] = add <2 x i32> [[STEP_ADD4]], <i32 2, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = icmp eq i64 [[INDEX_NEXT]], 100
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP21]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP52:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 100, 100
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[STEP_ADD4]], i32 1
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[STEP_ADD4]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 100, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 100, [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[TRUNC_IV:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[TRUNC_IV_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_TRUNC:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[LV:%.*]] = load i32, i32* [[SRC]], align 4
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = mul nsw i32 [[LV]], [[SCALAR_RECUR]]
> +; UNROLL-NO-IC-NEXT: [[TRUNC_IV_NEXT]] = add i32 [[TRUNC_IV]], 1
> +; UNROLL-NO-IC-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; UNROLL-NO-IC-NEXT: [[IV_TRUNC]] = trunc i64 [[IV]] to i32
> +; UNROLL-NO-IC-NEXT: [[DST_GEP:%.*]] = getelementptr i32, i32* [[DST]], i32 [[IV_TRUNC]]
> +; UNROLL-NO-IC-NEXT: [[ADD:%.*]] = add i32 [[IV_TRUNC]], [[MUL]]
> +; UNROLL-NO-IC-NEXT: store i32 [[ADD]], i32* [[DST_GEP]], align 4
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TRUNC_IV_NEXT]], 100
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @pr52460_first_order_recurrence_truncated_iv(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD4:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND3:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT6:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD4]] = add <4 x i32> [[VEC_IND3]], <i32 4, i32 4, i32 4, i32 4>
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[VEC_IND3]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[VEC_IND3]], <4 x i32> [[STEP_ADD4]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = load i32, i32* [[SRC:%.*]], align 4
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[TMP2]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLATINSERT7:%.*]] = insertelement <4 x i32> poison, i32 [[TMP2]], i32 0
> +; INTERLEAVE-NEXT: [[BROADCAST_SPLAT8:%.*]] = shufflevector <4 x i32> [[BROADCAST_SPLATINSERT7]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = mul nsw <4 x i32> [[BROADCAST_SPLAT]], [[TMP0]]
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[BROADCAST_SPLAT8]], [[TMP1]]
> +; INTERLEAVE-NEXT: [[SEXT:%.*]] = shl i64 [[INDEX]], 32
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = ashr exact i64 [[SEXT]], 32
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = getelementptr i32, i32* [[DST:%.*]], i64 [[TMP5]]
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = add <4 x i32> [[VEC_IND3]], [[TMP3]]
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = add <4 x i32> [[STEP_ADD4]], [[TMP4]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = bitcast i32* [[TMP6]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[TMP7]], <4 x i32>* [[TMP9]], align 4
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = getelementptr i32, i32* [[TMP6]], i64 4
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[TMP8]], <4 x i32>* [[TMP11]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT6]] = add <4 x i32> [[VEC_IND3]], <i32 8, i32 8, i32 8, i32 8>
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 96
> +; INTERLEAVE-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP52:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[STEP_ADD4]], i32 3
> +; INTERLEAVE-NEXT: br i1 false, label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[ENTRY]] ], [ 96, [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 0, [[ENTRY]] ], [ 96, [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
> +; INTERLEAVE: loop:
> +; INTERLEAVE-NEXT: [[IV:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_NEXT:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[TRUNC_IV:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[TRUNC_IV_NEXT:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_TRUNC:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[LV:%.*]] = load i32, i32* [[SRC]], align 4
> +; INTERLEAVE-NEXT: [[MUL:%.*]] = mul nsw i32 [[LV]], [[SCALAR_RECUR]]
> +; INTERLEAVE-NEXT: [[TRUNC_IV_NEXT]] = add i32 [[TRUNC_IV]], 1
> +; INTERLEAVE-NEXT: [[IV_NEXT]] = add nuw nsw i64 [[IV]], 1
> +; INTERLEAVE-NEXT: [[IV_TRUNC]] = trunc i64 [[IV]] to i32
> +; INTERLEAVE-NEXT: [[SEXT9:%.*]] = shl i64 [[IV]], 32
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = ashr exact i64 [[SEXT9]], 32
> +; INTERLEAVE-NEXT: [[DST_GEP:%.*]] = getelementptr i32, i32* [[DST]], i64 [[TMP13]]
> +; INTERLEAVE-NEXT: [[ADD:%.*]] = add i32 [[MUL]], [[IV_TRUNC]]
> +; INTERLEAVE-NEXT: store i32 [[ADD]], i32* [[DST_GEP]], align 4
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TRUNC_IV_NEXT]], 100
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP53:![0-9]+]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> ;
> entry:
> br label %loop
> @@ -938,19 +6538,404 @@ exit:
> ; predicates generated for the vector loop. They should be removed in the
> ; vector loop.
> define void @test_optimized_cast_induction_feeding_first_order_recurrence(i64 %n, i32 %step, i32* %ptr) {
> +;
> ; CHECK-LABEL: @test_optimized_cast_induction_feeding_first_order_recurrence(
> -; CHECK-LABEL: vector.body:
> -; CHECK-NEXT: [[MAIN_IV:%.+]] = phi i64 [ 0, %vector.ph ], [ [[MAIN_IV_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_RECUR:%.+]] = phi <2 x i32> [ <i32 poison, i32 0>, %vector.ph ], [ [[VEC_IV:%.+]], %vector.body ]
> -; CHECK-NEXT: [[VEC_IV]] = phi <2 x i32> [ %induction, %vector.ph ], [ [[VEC_IV_NEXT:%.+]], %vector.body ]
> -; CHECK-NEXT: [[MAIN_IV_0:%.+]] = add i64 [[MAIN_IV]], 0
> -; CHECK-NEXT: [[RECUR_SHUFFLE:%.+]] = shufflevector <2 x i32> [[VEC_RECUR]], <2 x i32> [[VEC_IV]], <2 x i32> <i32 1, i32 2>
> -; CHECK-NEXT: [[GEP0:%.+]] = getelementptr inbounds i32, i32* %ptr, i64 [[MAIN_IV_0]]
> -; CHECK-NEXT: [[GEP1:%.+]] = getelementptr inbounds i32, i32* [[GEP0]], i32 0
> -; CHECK-NEXT: [[GEP_CAST:%.+]] = bitcast i32* [[GEP1]] to <2 x i32>*
> -; CHECK-NEXT: store <2 x i32> [[RECUR_SHUFFLE]], <2 x i32>* [[GEP_CAST]], align 4
> -; CHECK-NEXT: [[MAIN_IV_NEXT]] = add nuw i64 [[MAIN_IV]], 2
> -; CHECK-NEXT: [[VEC_IV_NEXT]] = add <2 x i32> [[VEC_IV]],
> +; CHECK-NEXT: entry:
> +; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; CHECK: vector.scevcheck:
> +; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1
> +; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 [[STEP:%.*]] to i8
> +; CHECK-NEXT: [[TMP2:%.*]] = sub i8 0, [[TMP1]]
> +; CHECK-NEXT: [[TMP3:%.*]] = icmp slt i8 [[TMP1]], 0
> +; CHECK-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i8 [[TMP2]], i8 [[TMP1]]
> +; CHECK-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP0]] to i8
> +; CHECK-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 [[TMP4]], i8 [[TMP5]])
> +; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> +; CHECK-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
> +; CHECK-NEXT: [[TMP6:%.*]] = add i8 0, [[MUL_RESULT]]
> +; CHECK-NEXT: [[TMP7:%.*]] = sub i8 0, [[MUL_RESULT]]
> +; CHECK-NEXT: [[TMP8:%.*]] = icmp sgt i8 [[TMP7]], 0
> +; CHECK-NEXT: [[TMP9:%.*]] = icmp slt i8 [[TMP6]], 0
> +; CHECK-NEXT: [[TMP10:%.*]] = select i1 [[TMP3]], i1 [[TMP8]], i1 [[TMP9]]
> +; CHECK-NEXT: [[TMP11:%.*]] = icmp ugt i64 [[TMP0]], 255
> +; CHECK-NEXT: [[TMP12:%.*]] = icmp ne i8 [[TMP1]], 0
> +; CHECK-NEXT: [[TMP13:%.*]] = and i1 [[TMP11]], [[TMP12]]
> +; CHECK-NEXT: [[TMP14:%.*]] = or i1 [[TMP10]], [[TMP13]]
> +; CHECK-NEXT: [[TMP15:%.*]] = or i1 [[TMP14]], [[MUL_OVERFLOW]]
> +; CHECK-NEXT: [[TMP16:%.*]] = or i1 false, [[TMP15]]
> +; CHECK-NEXT: [[TMP17:%.*]] = sext i8 [[TMP1]] to i32
> +; CHECK-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[STEP]], [[TMP17]]
> +; CHECK-NEXT: [[TMP18:%.*]] = or i1 [[TMP16]], [[IDENT_CHECK]]
> +; CHECK-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK: vector.ph:
> +; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 2
> +; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; CHECK-NEXT: [[IND_END:%.*]] = mul i32 [[CAST_CRD]], [[STEP]]
> +; CHECK-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[STEP]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: [[TMP19:%.*]] = mul <2 x i32> <i32 0, i32 1>, [[DOTSPLAT]]
> +; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i32> zeroinitializer, [[TMP19]]
> +; CHECK-NEXT: [[TMP20:%.*]] = mul i32 [[STEP]], 2
> +; CHECK-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP20]], i32 0
> +; CHECK-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT2]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> +; CHECK: vector.body:
> +; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[VEC_IND:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_IND]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP21:%.*]] = add i64 [[INDEX]], 0
> +; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND]], <2 x i32> <i32 1, i32 2>
> +; CHECK-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 [[TMP21]]
> +; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[TMP23]], i32 0
> +; CHECK-NEXT: [[TMP25:%.*]] = bitcast i32* [[TMP24]] to <2 x i32>*
> +; CHECK-NEXT: store <2 x i32> [[TMP22]], <2 x i32>* [[TMP25]], align 4
> +; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], [[DOTSPLAT3]]
> +; CHECK-NEXT: [[TMP26:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP26]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP54:![0-9]+]]
> +; CHECK: middle.block:
> +; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[VEC_IND]], i32 1
> +; CHECK-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[VEC_IND]], i32 0
> +; CHECK-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; CHECK: scalar.ph:
> +; CHECK-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; CHECK-NEXT: br label [[LOOP:%.*]]
> +; CHECK: loop:
> +; CHECK-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_2_CONV:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ]
> +; CHECK-NEXT: [[IV_2_EXT:%.*]] = shl i32 [[IV_2]], 24
> +; CHECK-NEXT: [[IV_2_CONV]] = ashr exact i32 [[IV_2_EXT]], 24
> +; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[IV_1]]
> +; CHECK-NEXT: store i32 [[SCALAR_RECUR]], i32* [[GEP]], align 4
> +; CHECK-NEXT: [[IV_2_NEXT]] = add nsw i32 [[IV_2_CONV]], [[STEP]]
> +; CHECK-NEXT: [[IV_1_NEXT]] = add nuw nsw i64 [[IV_1]], 1
> +; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_1_NEXT]], [[N]]
> +; CHECK-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP55:![0-9]+]]
> +; CHECK: exit:
> +; CHECK-NEXT: ret void
> +;
> +; IND-LABEL: @test_optimized_cast_induction_feeding_first_order_recurrence(
> +; IND-NEXT: entry:
> +; IND-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 2
> +; IND-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; IND: vector.scevcheck:
> +; IND-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1
> +; IND-NEXT: [[TMP1:%.*]] = trunc i32 [[STEP:%.*]] to i8
> +; IND-NEXT: [[TMP2:%.*]] = sub i8 0, [[TMP1]]
> +; IND-NEXT: [[TMP3:%.*]] = icmp slt i8 [[TMP1]], 0
> +; IND-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i8 [[TMP2]], i8 [[TMP1]]
> +; IND-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP0]] to i8
> +; IND-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 [[TMP4]], i8 [[TMP5]])
> +; IND-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> +; IND-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
> +; IND-NEXT: [[TMP6:%.*]] = icmp ugt i8 [[MUL_RESULT]], -128
> +; IND-NEXT: [[TMP7:%.*]] = icmp slt i8 [[MUL_RESULT]], 0
> +; IND-NEXT: [[TMP8:%.*]] = select i1 [[TMP3]], i1 [[TMP6]], i1 [[TMP7]]
> +; IND-NEXT: [[TMP9:%.*]] = icmp ugt i64 [[TMP0]], 255
> +; IND-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP1]], 0
> +; IND-NEXT: [[TMP11:%.*]] = and i1 [[TMP9]], [[TMP10]]
> +; IND-NEXT: [[TMP12:%.*]] = or i1 [[TMP8]], [[TMP11]]
> +; IND-NEXT: [[TMP13:%.*]] = or i1 [[TMP12]], [[MUL_OVERFLOW]]
> +; IND-NEXT: [[TMP14:%.*]] = add i32 [[STEP]], -128
> +; IND-NEXT: [[TMP15:%.*]] = icmp ult i32 [[TMP14]], -256
> +; IND-NEXT: [[TMP16:%.*]] = or i1 [[TMP13]], [[TMP15]]
> +; IND-NEXT: br i1 [[TMP16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; IND: vector.ph:
> +; IND-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -2
> +; IND-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; IND-NEXT: [[IND_END:%.*]] = mul i32 [[CAST_CRD]], [[STEP]]
> +; IND-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[STEP]], i32 0
> +; IND-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: [[TMP17:%.*]] = mul nuw <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; IND-NEXT: [[TMP18:%.*]] = shl i32 [[STEP]], 1
> +; IND-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP18]], i32 0
> +; IND-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT2]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; IND-NEXT: br label [[VECTOR_BODY:%.*]]
> +; IND: vector.body:
> +; IND-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[VEC_IND:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[VEC_IND]] = phi <2 x i32> [ [[TMP17]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; IND-NEXT: [[TMP19:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND]], <2 x i32> <i32 1, i32 2>
> +; IND-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 [[INDEX]]
> +; IND-NEXT: [[TMP21:%.*]] = bitcast i32* [[TMP20]] to <2 x i32>*
> +; IND-NEXT: store <2 x i32> [[TMP19]], <2 x i32>* [[TMP21]], align 4
> +; IND-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 2
> +; IND-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[VEC_IND]], [[DOTSPLAT3]]
> +; IND-NEXT: [[TMP22:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; IND-NEXT: br i1 [[TMP22]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP54:![0-9]+]]
> +; IND: middle.block:
> +; IND-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; IND-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[VEC_IND]], i32 1
> +; IND-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; IND: scalar.ph:
> +; IND-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ]
> +; IND-NEXT: br label [[LOOP:%.*]]
> +; IND: loop:
> +; IND-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_2_CONV:%.*]], [[LOOP]] ]
> +; IND-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
> +; IND-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ]
> +; IND-NEXT: [[IV_2_EXT:%.*]] = shl i32 [[IV_2]], 24
> +; IND-NEXT: [[IV_2_CONV]] = ashr exact i32 [[IV_2_EXT]], 24
> +; IND-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[IV_1]]
> +; IND-NEXT: store i32 [[SCALAR_RECUR]], i32* [[GEP]], align 4
> +; IND-NEXT: [[IV_2_NEXT]] = add nsw i32 [[IV_2_CONV]], [[STEP]]
> +; IND-NEXT: [[IV_1_NEXT]] = add nuw nsw i64 [[IV_1]], 1
> +; IND-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_1_NEXT]], [[N]]
> +; IND-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP55:![0-9]+]]
> +; IND: exit:
> +; IND-NEXT: ret void
> +;
> +; UNROLL-LABEL: @test_optimized_cast_induction_feeding_first_order_recurrence(
> +; UNROLL-NEXT: entry:
> +; UNROLL-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; UNROLL-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL: vector.scevcheck:
> +; UNROLL-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1
> +; UNROLL-NEXT: [[TMP1:%.*]] = trunc i32 [[STEP:%.*]] to i8
> +; UNROLL-NEXT: [[TMP2:%.*]] = sub i8 0, [[TMP1]]
> +; UNROLL-NEXT: [[TMP3:%.*]] = icmp slt i8 [[TMP1]], 0
> +; UNROLL-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i8 [[TMP2]], i8 [[TMP1]]
> +; UNROLL-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP0]] to i8
> +; UNROLL-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 [[TMP4]], i8 [[TMP5]])
> +; UNROLL-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> +; UNROLL-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
> +; UNROLL-NEXT: [[TMP6:%.*]] = icmp ugt i8 [[MUL_RESULT]], -128
> +; UNROLL-NEXT: [[TMP7:%.*]] = icmp slt i8 [[MUL_RESULT]], 0
> +; UNROLL-NEXT: [[TMP8:%.*]] = select i1 [[TMP3]], i1 [[TMP6]], i1 [[TMP7]]
> +; UNROLL-NEXT: [[TMP9:%.*]] = icmp ugt i64 [[TMP0]], 255
> +; UNROLL-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP1]], 0
> +; UNROLL-NEXT: [[TMP11:%.*]] = and i1 [[TMP9]], [[TMP10]]
> +; UNROLL-NEXT: [[TMP12:%.*]] = or i1 [[TMP8]], [[TMP11]]
> +; UNROLL-NEXT: [[TMP13:%.*]] = or i1 [[TMP12]], [[MUL_OVERFLOW]]
> +; UNROLL-NEXT: [[TMP14:%.*]] = add i32 [[STEP]], -128
> +; UNROLL-NEXT: [[TMP15:%.*]] = icmp ult i32 [[TMP14]], -256
> +; UNROLL-NEXT: [[TMP16:%.*]] = or i1 [[TMP13]], [[TMP15]]
> +; UNROLL-NEXT: br i1 [[TMP16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL: vector.ph:
> +; UNROLL-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -4
> +; UNROLL-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; UNROLL-NEXT: [[IND_END:%.*]] = mul i32 [[CAST_CRD]], [[STEP]]
> +; UNROLL-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[STEP]], i32 0
> +; UNROLL-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: [[TMP17:%.*]] = mul nuw <2 x i32> [[DOTSPLAT]], <i32 0, i32 1>
> +; UNROLL-NEXT: [[TMP18:%.*]] = shl i32 [[STEP]], 1
> +; UNROLL-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP18]], i32 0
> +; UNROLL-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT2]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL: vector.body:
> +; UNROLL-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[TMP17]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NEXT: [[STEP_ADD]] = add <2 x i32> [[VEC_IND]], [[DOTSPLAT3]]
> +; UNROLL-NEXT: [[TMP19:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP20:%.*]] = shufflevector <2 x i32> [[VEC_IND]], <2 x i32> [[STEP_ADD]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 [[INDEX]]
> +; UNROLL-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[TMP19]], <2 x i32>* [[TMP22]], align 4
> +; UNROLL-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i64 2
> +; UNROLL-NEXT: [[TMP24:%.*]] = bitcast i32* [[TMP23]] to <2 x i32>*
> +; UNROLL-NEXT: store <2 x i32> [[TMP20]], <2 x i32>* [[TMP24]], align 4
> +; UNROLL-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], [[DOTSPLAT3]]
> +; UNROLL-NEXT: [[TMP25:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NEXT: br i1 [[TMP25]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP54:![0-9]+]]
> +; UNROLL: middle.block:
> +; UNROLL-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; UNROLL-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[STEP_ADD]], i32 1
> +; UNROLL-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL: scalar.ph:
> +; UNROLL-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NEXT: br label [[LOOP:%.*]]
> +; UNROLL: loop:
> +; UNROLL-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_2_CONV:%.*]], [[LOOP]] ]
> +; UNROLL-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NEXT: [[IV_2_EXT:%.*]] = shl i32 [[IV_2]], 24
> +; UNROLL-NEXT: [[IV_2_CONV]] = ashr exact i32 [[IV_2_EXT]], 24
> +; UNROLL-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[IV_1]]
> +; UNROLL-NEXT: store i32 [[SCALAR_RECUR]], i32* [[GEP]], align 4
> +; UNROLL-NEXT: [[IV_2_NEXT]] = add nsw i32 [[IV_2_CONV]], [[STEP]]
> +; UNROLL-NEXT: [[IV_1_NEXT]] = add nuw nsw i64 [[IV_1]], 1
> +; UNROLL-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_1_NEXT]], [[N]]
> +; UNROLL-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP55:![0-9]+]]
> +; UNROLL: exit:
> +; UNROLL-NEXT: ret void
> +;
> +; UNROLL-NO-IC-LABEL: @test_optimized_cast_induction_feeding_first_order_recurrence(
> +; UNROLL-NO-IC-NEXT: entry:
> +; UNROLL-NO-IC-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 4
> +; UNROLL-NO-IC-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; UNROLL-NO-IC: vector.scevcheck:
> +; UNROLL-NO-IC-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1
> +; UNROLL-NO-IC-NEXT: [[TMP1:%.*]] = trunc i32 [[STEP:%.*]] to i8
> +; UNROLL-NO-IC-NEXT: [[TMP2:%.*]] = sub i8 0, [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP3:%.*]] = icmp slt i8 [[TMP1]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i8 [[TMP2]], i8 [[TMP1]]
> +; UNROLL-NO-IC-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP0]] to i8
> +; UNROLL-NO-IC-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 [[TMP4]], i8 [[TMP5]])
> +; UNROLL-NO-IC-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> +; UNROLL-NO-IC-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
> +; UNROLL-NO-IC-NEXT: [[TMP6:%.*]] = add i8 0, [[MUL_RESULT]]
> +; UNROLL-NO-IC-NEXT: [[TMP7:%.*]] = sub i8 0, [[MUL_RESULT]]
> +; UNROLL-NO-IC-NEXT: [[TMP8:%.*]] = icmp sgt i8 [[TMP7]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP9:%.*]] = icmp slt i8 [[TMP6]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP10:%.*]] = select i1 [[TMP3]], i1 [[TMP8]], i1 [[TMP9]]
> +; UNROLL-NO-IC-NEXT: [[TMP11:%.*]] = icmp ugt i64 [[TMP0]], 255
> +; UNROLL-NO-IC-NEXT: [[TMP12:%.*]] = icmp ne i8 [[TMP1]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP13:%.*]] = and i1 [[TMP11]], [[TMP12]]
> +; UNROLL-NO-IC-NEXT: [[TMP14:%.*]] = or i1 [[TMP10]], [[TMP13]]
> +; UNROLL-NO-IC-NEXT: [[TMP15:%.*]] = or i1 [[TMP14]], [[MUL_OVERFLOW]]
> +; UNROLL-NO-IC-NEXT: [[TMP16:%.*]] = or i1 false, [[TMP15]]
> +; UNROLL-NO-IC-NEXT: [[TMP17:%.*]] = sext i8 [[TMP1]] to i32
> +; UNROLL-NO-IC-NEXT: [[IDENT_CHECK:%.*]] = icmp ne i32 [[STEP]], [[TMP17]]
> +; UNROLL-NO-IC-NEXT: [[TMP18:%.*]] = or i1 [[TMP16]], [[IDENT_CHECK]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP18]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; UNROLL-NO-IC: vector.ph:
> +; UNROLL-NO-IC-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[N]], 4
> +; UNROLL-NO-IC-NEXT: [[N_VEC:%.*]] = sub i64 [[N]], [[N_MOD_VF]]
> +; UNROLL-NO-IC-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; UNROLL-NO-IC-NEXT: [[IND_END:%.*]] = mul i32 [[CAST_CRD]], [[STEP]]
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <2 x i32> poison, i32 [[STEP]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: [[TMP19:%.*]] = mul <2 x i32> <i32 0, i32 1>, [[DOTSPLAT]]
> +; UNROLL-NO-IC-NEXT: [[INDUCTION:%.*]] = add <2 x i32> zeroinitializer, [[TMP19]]
> +; UNROLL-NO-IC-NEXT: [[TMP20:%.*]] = mul i32 [[STEP]], 2
> +; UNROLL-NO-IC-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <2 x i32> poison, i32 [[TMP20]], i32 0
> +; UNROLL-NO-IC-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <2 x i32> [[DOTSPLATINSERT2]], <2 x i32> poison, <2 x i32> zeroinitializer
> +; UNROLL-NO-IC-NEXT: br label [[VECTOR_BODY:%.*]]
> +; UNROLL-NO-IC: vector.body:
> +; UNROLL-NO-IC-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR:%.*]] = phi <2 x i32> [ <i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[VEC_IND:%.*]] = phi <2 x i32> [ [[INDUCTION]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; UNROLL-NO-IC-NEXT: [[TMP21:%.*]] = add i64 [[INDEX]], 0
> +; UNROLL-NO-IC-NEXT: [[TMP22:%.*]] = add i64 [[INDEX]], 2
> +; UNROLL-NO-IC-NEXT: [[STEP_ADD]] = add <2 x i32> [[VEC_IND]], [[DOTSPLAT3]]
> +; UNROLL-NO-IC-NEXT: [[TMP23:%.*]] = shufflevector <2 x i32> [[VECTOR_RECUR]], <2 x i32> [[VEC_IND]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP24:%.*]] = shufflevector <2 x i32> [[VEC_IND]], <2 x i32> [[STEP_ADD]], <2 x i32> <i32 1, i32 2>
> +; UNROLL-NO-IC-NEXT: [[TMP25:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 [[TMP21]]
> +; UNROLL-NO-IC-NEXT: [[TMP26:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[TMP22]]
> +; UNROLL-NO-IC-NEXT: [[TMP27:%.*]] = getelementptr inbounds i32, i32* [[TMP25]], i32 0
> +; UNROLL-NO-IC-NEXT: [[TMP28:%.*]] = bitcast i32* [[TMP27]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[TMP23]], <2 x i32>* [[TMP28]], align 4
> +; UNROLL-NO-IC-NEXT: [[TMP29:%.*]] = getelementptr inbounds i32, i32* [[TMP25]], i32 2
> +; UNROLL-NO-IC-NEXT: [[TMP30:%.*]] = bitcast i32* [[TMP29]] to <2 x i32>*
> +; UNROLL-NO-IC-NEXT: store <2 x i32> [[TMP24]], <2 x i32>* [[TMP30]], align 4
> +; UNROLL-NO-IC-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4
> +; UNROLL-NO-IC-NEXT: [[VEC_IND_NEXT]] = add <2 x i32> [[STEP_ADD]], [[DOTSPLAT3]]
> +; UNROLL-NO-IC-NEXT: [[TMP31:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: br i1 [[TMP31]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP54:![0-9]+]]
> +; UNROLL-NO-IC: middle.block:
> +; UNROLL-NO-IC-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N]], [[N_VEC]]
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <2 x i32> [[STEP_ADD]], i32 1
> +; UNROLL-NO-IC-NEXT: [[VECTOR_RECUR_EXTRACT_FOR_PHI:%.*]] = extractelement <2 x i32> [[STEP_ADD]], i32 0
> +; UNROLL-NO-IC-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; UNROLL-NO-IC: scalar.ph:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ 0, [[ENTRY]] ], [ 0, [[VECTOR_SCEVCHECK]] ]
> +; UNROLL-NO-IC-NEXT: br label [[LOOP:%.*]]
> +; UNROLL-NO-IC: loop:
> +; UNROLL-NO-IC-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_2_CONV:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ]
> +; UNROLL-NO-IC-NEXT: [[IV_2_EXT:%.*]] = shl i32 [[IV_2]], 24
> +; UNROLL-NO-IC-NEXT: [[IV_2_CONV]] = ashr exact i32 [[IV_2_EXT]], 24
> +; UNROLL-NO-IC-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[IV_1]]
> +; UNROLL-NO-IC-NEXT: store i32 [[SCALAR_RECUR]], i32* [[GEP]], align 4
> +; UNROLL-NO-IC-NEXT: [[IV_2_NEXT]] = add nsw i32 [[IV_2_CONV]], [[STEP]]
> +; UNROLL-NO-IC-NEXT: [[IV_1_NEXT]] = add nuw nsw i64 [[IV_1]], 1
> +; UNROLL-NO-IC-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_1_NEXT]], [[N]]
> +; UNROLL-NO-IC-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP55:![0-9]+]]
> +; UNROLL-NO-IC: exit:
> +; UNROLL-NO-IC-NEXT: ret void
> +;
> +; INTERLEAVE-LABEL: @test_optimized_cast_induction_feeding_first_order_recurrence(
> +; INTERLEAVE-NEXT: entry:
> +; INTERLEAVE-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[N:%.*]], 8
> +; INTERLEAVE-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> +; INTERLEAVE: vector.scevcheck:
> +; INTERLEAVE-NEXT: [[TMP0:%.*]] = add i64 [[N]], -1
> +; INTERLEAVE-NEXT: [[TMP1:%.*]] = trunc i32 [[STEP:%.*]] to i8
> +; INTERLEAVE-NEXT: [[TMP2:%.*]] = sub i8 0, [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP3:%.*]] = icmp slt i8 [[TMP1]], 0
> +; INTERLEAVE-NEXT: [[TMP4:%.*]] = select i1 [[TMP3]], i8 [[TMP2]], i8 [[TMP1]]
> +; INTERLEAVE-NEXT: [[TMP5:%.*]] = trunc i64 [[TMP0]] to i8
> +; INTERLEAVE-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 [[TMP4]], i8 [[TMP5]])
> +; INTERLEAVE-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> +; INTERLEAVE-NEXT: [[MUL_OVERFLOW:%.*]] = extractvalue { i8, i1 } [[MUL]], 1
> +; INTERLEAVE-NEXT: [[TMP6:%.*]] = icmp ugt i8 [[MUL_RESULT]], -128
> +; INTERLEAVE-NEXT: [[TMP7:%.*]] = icmp slt i8 [[MUL_RESULT]], 0
> +; INTERLEAVE-NEXT: [[TMP8:%.*]] = select i1 [[TMP3]], i1 [[TMP6]], i1 [[TMP7]]
> +; INTERLEAVE-NEXT: [[TMP9:%.*]] = icmp ugt i64 [[TMP0]], 255
> +; INTERLEAVE-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP1]], 0
> +; INTERLEAVE-NEXT: [[TMP11:%.*]] = and i1 [[TMP9]], [[TMP10]]
> +; INTERLEAVE-NEXT: [[TMP12:%.*]] = or i1 [[TMP8]], [[TMP11]]
> +; INTERLEAVE-NEXT: [[TMP13:%.*]] = or i1 [[TMP12]], [[MUL_OVERFLOW]]
> +; INTERLEAVE-NEXT: [[TMP14:%.*]] = add i32 [[STEP]], -128
> +; INTERLEAVE-NEXT: [[TMP15:%.*]] = icmp ult i32 [[TMP14]], -256
> +; INTERLEAVE-NEXT: [[TMP16:%.*]] = or i1 [[TMP13]], [[TMP15]]
> +; INTERLEAVE-NEXT: br i1 [[TMP16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; INTERLEAVE: vector.ph:
> +; INTERLEAVE-NEXT: [[N_VEC:%.*]] = and i64 [[N]], -8
> +; INTERLEAVE-NEXT: [[CAST_CRD:%.*]] = trunc i64 [[N_VEC]] to i32
> +; INTERLEAVE-NEXT: [[IND_END:%.*]] = mul i32 [[CAST_CRD]], [[STEP]]
> +; INTERLEAVE-NEXT: [[DOTSPLATINSERT:%.*]] = insertelement <4 x i32> poison, i32 [[STEP]], i32 0
> +; INTERLEAVE-NEXT: [[DOTSPLAT:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: [[TMP17:%.*]] = mul <4 x i32> [[DOTSPLAT]], <i32 0, i32 1, i32 2, i32 3>
> +; INTERLEAVE-NEXT: [[TMP18:%.*]] = shl i32 [[STEP]], 2
> +; INTERLEAVE-NEXT: [[DOTSPLATINSERT2:%.*]] = insertelement <4 x i32> poison, i32 [[TMP18]], i32 0
> +; INTERLEAVE-NEXT: [[DOTSPLAT3:%.*]] = shufflevector <4 x i32> [[DOTSPLATINSERT2]], <4 x i32> poison, <4 x i32> zeroinitializer
> +; INTERLEAVE-NEXT: br label [[VECTOR_BODY:%.*]]
> +; INTERLEAVE: vector.body:
> +; INTERLEAVE-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR:%.*]] = phi <4 x i32> [ <i32 poison, i32 poison, i32 poison, i32 0>, [[VECTOR_PH]] ], [ [[STEP_ADD:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[VEC_IND:%.*]] = phi <4 x i32> [ [[TMP17]], [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[VECTOR_BODY]] ]
> +; INTERLEAVE-NEXT: [[STEP_ADD]] = add <4 x i32> [[VEC_IND]], [[DOTSPLAT3]]
> +; INTERLEAVE-NEXT: [[TMP19:%.*]] = shufflevector <4 x i32> [[VECTOR_RECUR]], <4 x i32> [[VEC_IND]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP20:%.*]] = shufflevector <4 x i32> [[VEC_IND]], <4 x i32> [[STEP_ADD]], <4 x i32> <i32 3, i32 4, i32 5, i32 6>
> +; INTERLEAVE-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[PTR:%.*]], i64 [[INDEX]]
> +; INTERLEAVE-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[TMP19]], <4 x i32>* [[TMP22]], align 4
> +; INTERLEAVE-NEXT: [[TMP23:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i64 4
> +; INTERLEAVE-NEXT: [[TMP24:%.*]] = bitcast i32* [[TMP23]] to <4 x i32>*
> +; INTERLEAVE-NEXT: store <4 x i32> [[TMP20]], <4 x i32>* [[TMP24]], align 4
> +; INTERLEAVE-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 8
> +; INTERLEAVE-NEXT: [[VEC_IND_NEXT]] = add <4 x i32> [[STEP_ADD]], [[DOTSPLAT3]]
> +; INTERLEAVE-NEXT: [[TMP25:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; INTERLEAVE-NEXT: br i1 [[TMP25]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP54:![0-9]+]]
> +; INTERLEAVE: middle.block:
> +; INTERLEAVE-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[N_VEC]], [[N]]
> +; INTERLEAVE-NEXT: [[VECTOR_RECUR_EXTRACT:%.*]] = extractelement <4 x i32> [[STEP_ADD]], i32 3
> +; INTERLEAVE-NEXT: br i1 [[CMP_N]], label [[EXIT:%.*]], label [[SCALAR_PH]]
> +; INTERLEAVE: scalar.ph:
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR_INIT:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY:%.*]] ], [ [[VECTOR_RECUR_EXTRACT]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[N_VEC]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: [[BC_RESUME_VAL1:%.*]] = phi i32 [ 0, [[VECTOR_SCEVCHECK]] ], [ 0, [[ENTRY]] ], [ [[IND_END]], [[MIDDLE_BLOCK]] ]
> +; INTERLEAVE-NEXT: br label [[LOOP:%.*]]
> +; INTERLEAVE: loop:
> +; INTERLEAVE-NEXT: [[SCALAR_RECUR:%.*]] = phi i32 [ [[SCALAR_RECUR_INIT]], [[SCALAR_PH]] ], [ [[IV_2_CONV:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[IV_1:%.*]] = phi i64 [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ], [ [[IV_1_NEXT:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[IV_2:%.*]] = phi i32 [ [[BC_RESUME_VAL1]], [[SCALAR_PH]] ], [ [[IV_2_NEXT:%.*]], [[LOOP]] ]
> +; INTERLEAVE-NEXT: [[IV_2_EXT:%.*]] = shl i32 [[IV_2]], 24
> +; INTERLEAVE-NEXT: [[IV_2_CONV]] = ashr exact i32 [[IV_2_EXT]], 24
> +; INTERLEAVE-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, i32* [[PTR]], i64 [[IV_1]]
> +; INTERLEAVE-NEXT: store i32 [[SCALAR_RECUR]], i32* [[GEP]], align 4
> +; INTERLEAVE-NEXT: [[IV_2_NEXT]] = add nsw i32 [[IV_2_CONV]], [[STEP]]
> +; INTERLEAVE-NEXT: [[IV_1_NEXT]] = add nuw nsw i64 [[IV_1]], 1
> +; INTERLEAVE-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[IV_1_NEXT]], [[N]]
> +; INTERLEAVE-NEXT: br i1 [[EXITCOND]], label [[EXIT]], label [[LOOP]], !llvm.loop [[LOOP55:![0-9]+]]
> +; INTERLEAVE: exit:
> +; INTERLEAVE-NEXT: ret void
> ;
> entry:
> br label %loop
>
>
>
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