[llvm] 2f4c3e8 - [LV] Add additional InLoop redution tests. NFC
David Green via llvm-commits
llvm-commits at lists.llvm.org
Sat Jul 18 04:14:49 PDT 2020
Author: David Green
Date: 2020-07-18T12:14:23+01:00
New Revision: 2f4c3e80970c85078747a528b0af0fc5168e3e1a
URL: https://github.com/llvm/llvm-project/commit/2f4c3e80970c85078747a528b0af0fc5168e3e1a
DIFF: https://github.com/llvm/llvm-project/commit/2f4c3e80970c85078747a528b0af0fc5168e3e1a.diff
LOG: [LV] Add additional InLoop redution tests. NFC
Added:
llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll
llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
Modified:
llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll b/llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll
new file mode 100644
index 000000000000..0d4cc31677b8
--- /dev/null
+++ b/llvm/test/Transforms/LoopVectorize/ARM/mve-reductions.ll
@@ -0,0 +1,1290 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -loop-vectorize < %s -S -o - | FileCheck %s
+
+target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
+target triple = "thumbv8.1m.main-arm-none-eabi"
+
+define i64 @add_i64_i64(i64* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i64_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, i64* [[X:%.*]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i64, i64* [[ARRAYIDX]], align 8
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[TMP0]], [[R_07]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i64, i64* %x, i32 %i.08
+ %0 = load i64, i64* %arrayidx, align 8
+ %add = add nsw i64 %0, %r.07
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+; FIXME: 4x
+define i64 @add_i32_i64(i32* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i32_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
+; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[TMP0]] to i64
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[R_07]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08
+ %0 = load i32, i32* %arrayidx, align 4
+ %conv = sext i32 %0 to i64
+ %add = add nsw i64 %r.07, %conv
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+; FIXME: 4x ?
+define i64 @add_i16_i64(i16* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i16_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP0]] to i64
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[R_07]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.08
+ %0 = load i16, i16* %arrayidx, align 2
+ %conv = sext i16 %0 to i64
+ %add = add nsw i64 %r.07, %conv
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+; FIXME: 4x ?
+define i64 @add_i8_i64(i8* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i8_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP0]] to i64
+; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[R_07]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.08
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i64
+ %add = add nuw nsw i64 %r.07, %conv
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+define i32 @add_i32_i32(i32* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i32_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4]] = add <4 x i32> [[WIDE_LOAD]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP4]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP7:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
+; CHECK-NEXT: [[ADD]] = add nsw i32 [[TMP7]], [[R_07]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !2
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.08
+ %0 = load i32, i32* %arrayidx, align 4
+ %add = add nsw i32 %0, %r.07
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+; FIXME: 8x
+define i32 @add_i16_i32(i16* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i16_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i16* [[TMP2]] to <4 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP3]], align 2
+; CHECK-NEXT: [[TMP4:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
+; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[TMP4]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !4
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP8:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP8]] to i32
+; CHECK-NEXT: [[ADD]] = add nsw i32 [[R_07]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !5
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.08
+ %0 = load i16, i16* %arrayidx, align 2
+ %conv = sext i16 %0 to i32
+ %add = add nsw i32 %r.07, %conv
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+; FIXME: 16x
+define i32 @add_i8_i32(i8* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i8_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP6:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <4 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4:%.*]] = zext <4 x i8> [[WIDE_LOAD]] to <4 x i32>
+; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[VEC_PHI]], [[TMP4]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !6
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_08:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_07:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_08]]
+; CHECK-NEXT: [[TMP8:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP8]] to i32
+; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[R_07]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_08]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !7
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp6 = icmp sgt i32 %n, 0
+ br i1 %cmp6, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.08 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.07 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.08
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i32
+ %add = add nuw nsw i32 %r.07, %conv
+ %inc = add nuw nsw i32 %i.08, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+define signext i16 @add_i16_i16(i16* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i16_i16(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 8
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <8 x i16> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i16* [[TMP2]] to <8 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i16>, <8 x i16>* [[TMP3]], align 2
+; CHECK-NEXT: [[TMP4]] = add <8 x i16> [[WIDE_LOAD]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
+; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !8
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP6:%.*]] = call i16 @llvm.experimental.vector.reduce.add.v8i16(<8 x i16> [[TMP4]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i16 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_010:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_09:%.*]] = phi i16 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP7:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[ADD]] = add i16 [[TMP7]], [[R_09]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_010]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !9
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i16 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i16 [[R_0_LCSSA]]
+;
+entry:
+ %cmp8 = icmp sgt i32 %n, 0
+ br i1 %cmp8, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.09 = phi i16 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.010
+ %0 = load i16, i16* %arrayidx, align 2
+ %add = add i16 %0, %r.09
+ %inc = add nuw nsw i32 %i.010, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %for.body ]
+ ret i16 %r.0.lcssa
+}
+
+; FIXME: 16x ?
+define signext i16 @add_i8_i16(i8* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i8_i16(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 8
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <8 x i16> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <8 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i8>, <8 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4:%.*]] = zext <8 x i8> [[WIDE_LOAD]] to <8 x i16>
+; CHECK-NEXT: [[TMP5]] = add <8 x i16> [[VEC_PHI]], [[TMP4]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !10
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP7:%.*]] = call i16 @llvm.experimental.vector.reduce.add.v8i16(<8 x i16> [[TMP5]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i16 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_010:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_09:%.*]] = phi i16 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP8:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP8]] to i16
+; CHECK-NEXT: [[ADD]] = add i16 [[R_09]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_010]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !11
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i16 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i16 [[R_0_LCSSA]]
+;
+entry:
+ %cmp8 = icmp sgt i32 %n, 0
+ br i1 %cmp8, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.09 = phi i16 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.010
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i16
+ %add = add i16 %r.09, %conv
+ %inc = add nuw nsw i32 %i.010, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %for.body ]
+ ret i16 %r.0.lcssa
+}
+
+define zeroext i8 @add_i8_i8(i8* nocapture readonly %x, i32 %n) #0 {
+; CHECK-LABEL: @add_i8_i8(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 16
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 16
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <16 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <16 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, <16 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4]] = add <16 x i8> [[WIDE_LOAD]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 16
+; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !12
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP6:%.*]] = call i8 @llvm.experimental.vector.reduce.add.v16i8(<16 x i8> [[TMP4]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i8 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_09:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_08:%.*]] = phi i8 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_09]]
+; CHECK-NEXT: [[TMP7:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[ADD]] = add i8 [[TMP7]], [[R_08]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_09]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !13
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i8 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i8 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i8 [[R_0_LCSSA]]
+;
+entry:
+ %cmp7 = icmp sgt i32 %n, 0
+ br i1 %cmp7, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.09 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.08 = phi i8 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.09
+ %0 = load i8, i8* %arrayidx, align 1
+ %add = add i8 %0, %r.08
+ %inc = add nuw nsw i32 %i.09, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %for.body ]
+ ret i8 %r.0.lcssa
+}
+
+define i64 @mla_i64_i64(i64* nocapture readonly %x, i64* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i64_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_010:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_09:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i64, i64* [[X:%.*]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i64, i64* [[ARRAYIDX]], align 8
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i64, i64* [[Y:%.*]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP1:%.*]] = load i64, i64* [[ARRAYIDX1]], align 8
+; CHECK-NEXT: [[MUL:%.*]] = mul nsw i64 [[TMP1]], [[TMP0]]
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[MUL]], [[R_09]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_010]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp8 = icmp sgt i32 %n, 0
+ br i1 %cmp8, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.09 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i64, i64* %x, i32 %i.010
+ %0 = load i64, i64* %arrayidx, align 8
+ %arrayidx1 = getelementptr inbounds i64, i64* %y, i32 %i.010
+ %1 = load i64, i64* %arrayidx1, align 8
+ %mul = mul nsw i64 %1, %0
+ %add = add nsw i64 %mul, %r.09
+ %inc = add nuw nsw i32 %i.010, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+define i64 @mla_i32_i64(i32* nocapture readonly %x, i32* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i32_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_010:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_09:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[Y:%.*]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP1:%.*]] = load i32, i32* [[ARRAYIDX1]], align 4
+; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP1]], [[TMP0]]
+; CHECK-NEXT: [[CONV:%.*]] = sext i32 [[MUL]] to i64
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[R_09]], [[CONV]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_010]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp8 = icmp sgt i32 %n, 0
+ br i1 %cmp8, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.09 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.010
+ %0 = load i32, i32* %arrayidx, align 4
+ %arrayidx1 = getelementptr inbounds i32, i32* %y, i32 %i.010
+ %1 = load i32, i32* %arrayidx1, align 4
+ %mul = mul nsw i32 %1, %0
+ %conv = sext i32 %mul to i64
+ %add = add nsw i64 %r.09, %conv
+ %inc = add nuw nsw i32 %i.010, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+define i64 @mla_i16_i64(i16* nocapture readonly %x, i16* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i16_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_012:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_011:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP0]] to i32
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, i16* [[Y:%.*]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP1:%.*]] = load i16, i16* [[ARRAYIDX1]], align 2
+; CHECK-NEXT: [[CONV2:%.*]] = sext i16 [[TMP1]] to i32
+; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV2]], [[CONV]]
+; CHECK-NEXT: [[CONV3:%.*]] = sext i32 [[MUL]] to i64
+; CHECK-NEXT: [[ADD]] = add nsw i64 [[R_011]], [[CONV3]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_012]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp10 = icmp sgt i32 %n, 0
+ br i1 %cmp10, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.012 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.011 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.012
+ %0 = load i16, i16* %arrayidx, align 2
+ %conv = sext i16 %0 to i32
+ %arrayidx1 = getelementptr inbounds i16, i16* %y, i32 %i.012
+ %1 = load i16, i16* %arrayidx1, align 2
+ %conv2 = sext i16 %1 to i32
+ %mul = mul nsw i32 %conv2, %conv
+ %conv3 = sext i32 %mul to i64
+ %add = add nsw i64 %r.011, %conv3
+ %inc = add nuw nsw i32 %i.012, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+define i64 @mla_i8_i64(i8* nocapture readonly %x, i8* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i8_i64(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_012:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[R_011:%.*]] = phi i64 [ [[ADD:%.*]], [[FOR_BODY]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP0:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP0]] to i32
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[Y:%.*]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP1:%.*]] = load i8, i8* [[ARRAYIDX1]], align 1
+; CHECK-NEXT: [[CONV2:%.*]] = zext i8 [[TMP1]] to i32
+; CHECK-NEXT: [[MUL:%.*]] = mul nuw nsw i32 [[CONV2]], [[CONV]]
+; CHECK-NEXT: [[CONV3:%.*]] = zext i32 [[MUL]] to i64
+; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[R_011]], [[CONV3]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_012]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[FOR_BODY]]
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i64 [ [[ADD]], [[FOR_BODY]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i64 [[R_0_LCSSA]]
+;
+entry:
+ %cmp10 = icmp sgt i32 %n, 0
+ br i1 %cmp10, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.012 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.011 = phi i64 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.012
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i32
+ %arrayidx1 = getelementptr inbounds i8, i8* %y, i32 %i.012
+ %1 = load i8, i8* %arrayidx1, align 1
+ %conv2 = zext i8 %1 to i32
+ %mul = mul nuw nsw i32 %conv2, %conv
+ %conv3 = zext i32 %mul to i64
+ %add = add nuw nsw i64 %r.011, %conv3
+ %inc = add nuw nsw i32 %i.012, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i64 [ 0, %entry ], [ %add, %for.body ]
+ ret i64 %r.0.lcssa
+}
+
+define i32 @mla_i32_i32(i32* nocapture readonly %x, i32* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i32_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP8:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP8]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i32, i32* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[TMP4]], i32 0
+; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
+; CHECK-NEXT: [[TMP7:%.*]] = mul nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP8]] = add <4 x i32> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !14
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP8]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_010:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_09:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[X]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i32, i32* [[Y]], i32 [[I_010]]
+; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[ARRAYIDX1]], align 4
+; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP12]], [[TMP11]]
+; CHECK-NEXT: [[ADD]] = add nsw i32 [[MUL]], [[R_09]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_010]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !15
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp8 = icmp sgt i32 %n, 0
+ br i1 %cmp8, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.010 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.09 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i32, i32* %x, i32 %i.010
+ %0 = load i32, i32* %arrayidx, align 4
+ %arrayidx1 = getelementptr inbounds i32, i32* %y, i32 %i.010
+ %1 = load i32, i32* %arrayidx1, align 4
+ %mul = mul nsw i32 %1, %0
+ %add = add nsw i32 %mul, %r.09
+ %inc = add nuw nsw i32 %i.010, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+define i32 @mla_i16_i32(i16* nocapture readonly %x, i16* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i16_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP9]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i16* [[TMP2]] to <4 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i16>, <4 x i16>* [[TMP3]], align 2
+; CHECK-NEXT: [[TMP4:%.*]] = sext <4 x i16> [[WIDE_LOAD]] to <4 x i32>
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, i16* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i16, i16* [[TMP5]], i32 0
+; CHECK-NEXT: [[TMP7:%.*]] = bitcast i16* [[TMP6]] to <4 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i16>, <4 x i16>* [[TMP7]], align 2
+; CHECK-NEXT: [[TMP8:%.*]] = sext <4 x i16> [[WIDE_LOAD1]] to <4 x i32>
+; CHECK-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[TMP8]], [[TMP4]]
+; CHECK-NEXT: [[TMP10]] = add <4 x i32> [[TMP9]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !16
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP10]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_011:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_010:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_011]]
+; CHECK-NEXT: [[TMP13:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[CONV:%.*]] = sext i16 [[TMP13]] to i32
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, i16* [[Y]], i32 [[I_011]]
+; CHECK-NEXT: [[TMP14:%.*]] = load i16, i16* [[ARRAYIDX1]], align 2
+; CHECK-NEXT: [[CONV2:%.*]] = sext i16 [[TMP14]] to i32
+; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[CONV2]], [[CONV]]
+; CHECK-NEXT: [[ADD]] = add nsw i32 [[MUL]], [[R_010]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_011]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !17
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp9 = icmp sgt i32 %n, 0
+ br i1 %cmp9, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.011 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.010 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.011
+ %0 = load i16, i16* %arrayidx, align 2
+ %conv = sext i16 %0 to i32
+ %arrayidx1 = getelementptr inbounds i16, i16* %y, i32 %i.011
+ %1 = load i16, i16* %arrayidx1, align 2
+ %conv2 = sext i16 %1 to i32
+ %mul = mul nsw i32 %conv2, %conv
+ %add = add nsw i32 %mul, %r.010
+ %inc = add nuw nsw i32 %i.011, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+define i32 @mla_i8_i32(i8* nocapture readonly %x, i8* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i8_i32(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP9:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP9]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 4
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 4
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <4 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4:%.*]] = zext <4 x i8> [[WIDE_LOAD]] to <4 x i32>
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP5]], i32 0
+; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[TMP6]] to <4 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i8>, <4 x i8>* [[TMP7]], align 1
+; CHECK-NEXT: [[TMP8:%.*]] = zext <4 x i8> [[WIDE_LOAD1]] to <4 x i32>
+; CHECK-NEXT: [[TMP9:%.*]] = mul nuw nsw <4 x i32> [[TMP8]], [[TMP4]]
+; CHECK-NEXT: [[TMP10]] = add <4 x i32> [[TMP9]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !18
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP10]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_011:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_010:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_011]]
+; CHECK-NEXT: [[TMP13:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP13]] to i32
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[Y]], i32 [[I_011]]
+; CHECK-NEXT: [[TMP14:%.*]] = load i8, i8* [[ARRAYIDX1]], align 1
+; CHECK-NEXT: [[CONV2:%.*]] = zext i8 [[TMP14]] to i32
+; CHECK-NEXT: [[MUL:%.*]] = mul nuw nsw i32 [[CONV2]], [[CONV]]
+; CHECK-NEXT: [[ADD]] = add nuw nsw i32 [[MUL]], [[R_010]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_011]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !19
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i32 [[R_0_LCSSA]]
+;
+entry:
+ %cmp9 = icmp sgt i32 %n, 0
+ br i1 %cmp9, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.011 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.010 = phi i32 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.011
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i32
+ %arrayidx1 = getelementptr inbounds i8, i8* %y, i32 %i.011
+ %1 = load i8, i8* %arrayidx1, align 1
+ %conv2 = zext i8 %1 to i32
+ %mul = mul nuw nsw i32 %conv2, %conv
+ %add = add nuw nsw i32 %mul, %r.010
+ %inc = add nuw nsw i32 %i.011, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i32 [ 0, %entry ], [ %add, %for.body ]
+ ret i32 %r.0.lcssa
+}
+
+define signext i16 @mla_i16_i16(i16* nocapture readonly %x, i16* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i16_i16(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP11:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP11]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 8
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <8 x i16> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i16, i16* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i16, i16* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i16* [[TMP2]] to <8 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i16>, <8 x i16>* [[TMP3]], align 2
+; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i16, i16* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i16, i16* [[TMP4]], i32 0
+; CHECK-NEXT: [[TMP6:%.*]] = bitcast i16* [[TMP5]] to <8 x i16>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <8 x i16>, <8 x i16>* [[TMP6]], align 2
+; CHECK-NEXT: [[TMP7:%.*]] = mul <8 x i16> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP8]] = add <8 x i16> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
+; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !20
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP10:%.*]] = call i16 @llvm.experimental.vector.reduce.add.v8i16(<8 x i16> [[TMP8]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i16 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_013:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_012:%.*]] = phi i16 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i16, i16* [[X]], i32 [[I_013]]
+; CHECK-NEXT: [[TMP11:%.*]] = load i16, i16* [[ARRAYIDX]], align 2
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i16, i16* [[Y]], i32 [[I_013]]
+; CHECK-NEXT: [[TMP12:%.*]] = load i16, i16* [[ARRAYIDX1]], align 2
+; CHECK-NEXT: [[MUL:%.*]] = mul i16 [[TMP12]], [[TMP11]]
+; CHECK-NEXT: [[ADD]] = add i16 [[MUL]], [[R_012]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_013]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !21
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i16 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i16 [[R_0_LCSSA]]
+;
+entry:
+ %cmp11 = icmp sgt i32 %n, 0
+ br i1 %cmp11, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.013 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.012 = phi i16 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i16, i16* %x, i32 %i.013
+ %0 = load i16, i16* %arrayidx, align 2
+ %arrayidx1 = getelementptr inbounds i16, i16* %y, i32 %i.013
+ %1 = load i16, i16* %arrayidx1, align 2
+ %mul = mul i16 %1, %0
+ %add = add i16 %mul, %r.012
+ %inc = add nuw nsw i32 %i.013, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %for.body ]
+ ret i16 %r.0.lcssa
+}
+
+define signext i16 @mla_i8_i16(i8* nocapture readonly %x, i8* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i8_i16(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP11:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP11]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 8
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 8
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <8 x i16> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <8 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <8 x i8>, <8 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4:%.*]] = zext <8 x i8> [[WIDE_LOAD]] to <8 x i16>
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i8, i8* [[TMP5]], i32 0
+; CHECK-NEXT: [[TMP7:%.*]] = bitcast i8* [[TMP6]] to <8 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <8 x i8>, <8 x i8>* [[TMP7]], align 1
+; CHECK-NEXT: [[TMP8:%.*]] = zext <8 x i8> [[WIDE_LOAD1]] to <8 x i16>
+; CHECK-NEXT: [[TMP9:%.*]] = mul nuw <8 x i16> [[TMP8]], [[TMP4]]
+; CHECK-NEXT: [[TMP10]] = add <8 x i16> [[TMP9]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
+; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !22
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP12:%.*]] = call i16 @llvm.experimental.vector.reduce.add.v8i16(<8 x i16> [[TMP10]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i16 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_013:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_012:%.*]] = phi i16 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_013]]
+; CHECK-NEXT: [[TMP13:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[CONV:%.*]] = zext i8 [[TMP13]] to i16
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[Y]], i32 [[I_013]]
+; CHECK-NEXT: [[TMP14:%.*]] = load i8, i8* [[ARRAYIDX1]], align 1
+; CHECK-NEXT: [[CONV2:%.*]] = zext i8 [[TMP14]] to i16
+; CHECK-NEXT: [[MUL:%.*]] = mul nuw i16 [[CONV2]], [[CONV]]
+; CHECK-NEXT: [[ADD]] = add i16 [[MUL]], [[R_012]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_013]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !23
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i16 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i16 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i16 [[R_0_LCSSA]]
+;
+entry:
+ %cmp11 = icmp sgt i32 %n, 0
+ br i1 %cmp11, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.013 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.012 = phi i16 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.013
+ %0 = load i8, i8* %arrayidx, align 1
+ %conv = zext i8 %0 to i16
+ %arrayidx1 = getelementptr inbounds i8, i8* %y, i32 %i.013
+ %1 = load i8, i8* %arrayidx1, align 1
+ %conv2 = zext i8 %1 to i16
+ %mul = mul nuw i16 %conv2, %conv
+ %add = add i16 %mul, %r.012
+ %inc = add nuw nsw i32 %i.013, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i16 [ 0, %entry ], [ %add, %for.body ]
+ ret i16 %r.0.lcssa
+}
+
+define zeroext i8 @mla_i8_i8(i8* nocapture readonly %x, i8* nocapture readonly %y, i32 %n) #0 {
+; CHECK-LABEL: @mla_i8_i8(
+; CHECK-NEXT: entry:
+; CHECK-NEXT: [[CMP10:%.*]] = icmp sgt i32 [[N:%.*]], 0
+; CHECK-NEXT: br i1 [[CMP10]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]]
+; CHECK: for.body.preheader:
+; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[N]], 16
+; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK: vector.ph:
+; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[N]], 16
+; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[N]], [[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_PHI:%.*]] = phi <16 x i8> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = add i32 [[INDEX]], 0
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[X:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i8, i8* [[TMP1]], i32 0
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8* [[TMP2]] to <16 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, <16 x i8>* [[TMP3]], align 1
+; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, i8* [[Y:%.*]], i32 [[TMP0]]
+; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i8, i8* [[TMP4]], i32 0
+; CHECK-NEXT: [[TMP6:%.*]] = bitcast i8* [[TMP5]] to <16 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <16 x i8>, <16 x i8>* [[TMP6]], align 1
+; CHECK-NEXT: [[TMP7:%.*]] = mul <16 x i8> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP8]] = add <16 x i8> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 16
+; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !24
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP10:%.*]] = call i8 @llvm.experimental.vector.reduce.add.v16i8(<16 x i8> [[TMP8]])
+; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[N]], [[N_VEC]]
+; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i32 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
+; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i8 [ 0, [[FOR_BODY_PREHEADER]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_BODY:%.*]]
+; CHECK: for.body:
+; CHECK-NEXT: [[I_012:%.*]] = phi i32 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[R_011:%.*]] = phi i8 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
+; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, i8* [[X]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP11:%.*]] = load i8, i8* [[ARRAYIDX]], align 1
+; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr inbounds i8, i8* [[Y]], i32 [[I_012]]
+; CHECK-NEXT: [[TMP12:%.*]] = load i8, i8* [[ARRAYIDX1]], align 1
+; CHECK-NEXT: [[MUL:%.*]] = mul i8 [[TMP12]], [[TMP11]]
+; CHECK-NEXT: [[ADD]] = add i8 [[MUL]], [[R_011]]
+; CHECK-NEXT: [[INC]] = add nuw nsw i32 [[I_012]], 1
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[INC]], [[N]]
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !25
+; CHECK: for.cond.cleanup.loopexit:
+; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i8 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: br label [[FOR_COND_CLEANUP]]
+; CHECK: for.cond.cleanup:
+; CHECK-NEXT: [[R_0_LCSSA:%.*]] = phi i8 [ 0, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_COND_CLEANUP_LOOPEXIT]] ]
+; CHECK-NEXT: ret i8 [[R_0_LCSSA]]
+;
+entry:
+ %cmp10 = icmp sgt i32 %n, 0
+ br i1 %cmp10, label %for.body, label %for.cond.cleanup
+
+for.body: ; preds = %entry, %for.body
+ %i.012 = phi i32 [ %inc, %for.body ], [ 0, %entry ]
+ %r.011 = phi i8 [ %add, %for.body ], [ 0, %entry ]
+ %arrayidx = getelementptr inbounds i8, i8* %x, i32 %i.012
+ %0 = load i8, i8* %arrayidx, align 1
+ %arrayidx1 = getelementptr inbounds i8, i8* %y, i32 %i.012
+ %1 = load i8, i8* %arrayidx1, align 1
+ %mul = mul i8 %1, %0
+ %add = add i8 %mul, %r.011
+ %inc = add nuw nsw i32 %i.012, 1
+ %exitcond = icmp eq i32 %inc, %n
+ br i1 %exitcond, label %for.cond.cleanup, label %for.body
+
+for.cond.cleanup: ; preds = %for.body, %entry
+ %r.0.lcssa = phi i8 [ 0, %entry ], [ %add, %for.body ]
+ ret i8 %r.0.lcssa
+}
+
+attributes #0 = { "target-features"="+mve" }
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll b/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
new file mode 100644
index 000000000000..013e08de44f0
--- /dev/null
+++ b/llvm/test/Transforms/LoopVectorize/reduction-inloop-uf4.ll
@@ -0,0 +1,68 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -loop-vectorize -force-vector-interleave=4 -force-vector-width=4 -force-reduction-intrinsics -dce -instcombine -S | FileCheck %s
+
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+
+define i32 @reduction_sum_single(i32* noalias nocapture %A) {
+; CHECK-LABEL: @reduction_sum_single(
+; 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 <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI1:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP9:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI3:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 4
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD4:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 8
+; CHECK-NEXT: [[TMP5:%.*]] = bitcast i32* [[TMP4]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD5:%.*]] = load <4 x i32>, <4 x i32>* [[TMP5]], align 4
+; CHECK-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[TMP0]], i64 12
+; CHECK-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD6:%.*]] = load <4 x i32>, <4 x i32>* [[TMP7]], align 4
+; CHECK-NEXT: [[TMP8]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP9]] = add <4 x i32> [[VEC_PHI1]], [[WIDE_LOAD4]]
+; CHECK-NEXT: [[TMP10]] = add <4 x i32> [[VEC_PHI2]], [[WIDE_LOAD5]]
+; CHECK-NEXT: [[TMP11]] = add <4 x i32> [[VEC_PHI3]], [[WIDE_LOAD6]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 16
+; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
+; CHECK: middle.block:
+; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP9]], [[TMP8]]
+; CHECK-NEXT: [[BIN_RDX7:%.*]] = add <4 x i32> [[TMP10]], [[BIN_RDX]]
+; CHECK-NEXT: [[BIN_RDX8:%.*]] = add <4 x i32> [[TMP11]], [[BIN_RDX7]]
+; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[BIN_RDX8]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
+; CHECK: .lr.ph:
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !2
+; CHECK: ._crit_edge:
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
+;
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l7 = add i32 %sum.02, %l3
+ %indvars.iv.next = add i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
+ br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
+ ret i32 %sum.0.lcssa
+}
diff --git a/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll b/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
index 0886b8eca2ef..a6747fac8055 100644
--- a/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
+++ b/llvm/test/Transforms/LoopVectorize/reduction-inloop.ll
@@ -3,1020 +3,785 @@
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
-define i32 @reduction_sum(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
+define i32 @reduction_sum_single(i32* noalias nocapture %A) {
+; CHECK-LABEL: @reduction_sum_single(
+; 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 <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
+; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP2]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
+; CHECK: .lr.ph:
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !2
+; CHECK: ._crit_edge:
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
+;
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l7 = add i32 %sum.02, %l3
+ %indvars.iv.next = add i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
+ br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
+ ret i32 %sum.0.lcssa
+}
+
+define i32 @reduction_sum(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_sum(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
-; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
; 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]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP8]], align 4
-; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
-; CHECK-NEXT: [[TMP10:%.*]] = add <4 x i32> [[TMP9]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP11]] = add <4 x i32> [[TMP10]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
+; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP4]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP6]] = add <4 x i32> [[TMP5]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
-; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
+; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !4
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP11]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP6]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[TMP21:%.*]], [[DOTLR_PH]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
-; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP16]], align 4
-; CHECK-NEXT: [[TMP18:%.*]] = trunc i64 [[INDVARS_IV]] to i32
-; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[SUM_02]], [[TMP18]]
-; CHECK-NEXT: [[TMP20:%.*]] = add i32 [[TMP19]], [[TMP15]]
-; CHECK-NEXT: [[TMP21]] = add i32 [[TMP20]], [[TMP17]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop !2
-; CHECK: ._crit_edge.loopexit:
-; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP21]], [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !5
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[DOTLCSSA]], [[DOT_CRIT_EDGE_LOOPEXIT]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph, label %._crit_edge
-
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
- %sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %0 ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = trunc i64 %indvars.iv to i32
- %7 = add i32 %sum.02, %6
- %8 = add i32 %7, %3
- %9 = add i32 %8, %5
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = trunc i64 %indvars.iv to i32
+ %l7 = add i32 %sum.02, %l6
+ %l8 = add i32 %l7, %l3
+ %l9 = add i32 %l8, %l5
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %._crit_edge, label %.lr.ph
-._crit_edge: ; preds = %.lr.ph, %0
- %sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
ret i32 %sum.0.lcssa
}
-define i32 @reduction_prod(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
+define i32 @reduction_sum_const(i32* noalias nocapture %A) {
+; CHECK-LABEL: @reduction_sum_const(
+; 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 <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = add <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP3]] = add <4 x i32> [[TMP2]], <i32 3, i32 3, i32 3, i32 3>
+; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
+; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !6
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP3]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
+; CHECK: .lr.ph:
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !7
+; CHECK: ._crit_edge:
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
+;
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l7 = add i32 %sum.02, %l3
+ %l9 = add i32 %l7, 3
+ %indvars.iv.next = add i64 %indvars.iv, 1
+ %lftr.wideiv = trunc i64 %indvars.iv.next to i32
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
+ br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
+ ret i32 %sum.0.lcssa
+}
+
+define i32 @reduction_prod(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_prod(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
-; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
; 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> [ <i32 1, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP8]], align 4
-; CHECK-NEXT: [[TMP9:%.*]] = mul <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
-; CHECK-NEXT: [[TMP10:%.*]] = mul <4 x i32> [[TMP9]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP11]] = mul <4 x i32> [[TMP10]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = mul <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
+; CHECK-NEXT: [[TMP5:%.*]] = mul <4 x i32> [[TMP4]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP6]] = mul <4 x i32> [[TMP5]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
-; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !4
+; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !8
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.experimental.vector.reduce.mul.v4i32(<4 x i32> [[TMP11]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.mul.v4i32(<4 x i32> [[TMP6]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ 1, [[DOTLR_PH_PREHEADER]] ]
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[PROD_02:%.*]] = phi i32 [ [[TMP21:%.*]], [[DOTLR_PH]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
-; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP16]], align 4
-; CHECK-NEXT: [[TMP18:%.*]] = trunc i64 [[INDVARS_IV]] to i32
-; CHECK-NEXT: [[TMP19:%.*]] = mul i32 [[PROD_02]], [[TMP18]]
-; CHECK-NEXT: [[TMP20:%.*]] = mul i32 [[TMP19]], [[TMP15]]
-; CHECK-NEXT: [[TMP21]] = mul i32 [[TMP20]], [[TMP17]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop !5
-; CHECK: ._crit_edge.loopexit:
-; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP21]], [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !9
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ 1, [[TMP0:%.*]] ], [ [[DOTLCSSA]], [[DOT_CRIT_EDGE_LOOPEXIT]] ]
+; CHECK-NEXT: [[PROD_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[PROD_0_LCSSA]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph, label %._crit_edge
-
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
- %prod.02 = phi i32 [ %9, %.lr.ph ], [ 1, %0 ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = trunc i64 %indvars.iv to i32
- %7 = mul i32 %prod.02, %6
- %8 = mul i32 %7, %3
- %9 = mul i32 %8, %5
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %prod.02 = phi i32 [ %l9, %.lr.ph ], [ 1, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = trunc i64 %indvars.iv to i32
+ %l7 = mul i32 %prod.02, %l6
+ %l8 = mul i32 %l7, %l3
+ %l9 = mul i32 %l8, %l5
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %._crit_edge, label %.lr.ph
-._crit_edge: ; preds = %.lr.ph, %0
- %prod.0.lcssa = phi i32 [ 1, %0 ], [ %9, %.lr.ph ]
+._crit_edge: ; preds = %.lr.ph
+ %prod.0.lcssa = phi i32 [ %l9, %.lr.ph ]
ret i32 %prod.0.lcssa
}
-define i32 @reduction_mix(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
+define i32 @reduction_mix(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_mix(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
-; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
; 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]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP8]], align 4
-; CHECK-NEXT: [[TMP9:%.*]] = mul nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP10:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
-; CHECK-NEXT: [[TMP11]] = add <4 x i32> [[TMP10]], [[TMP9]]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
+; CHECK-NEXT: [[TMP6]] = add <4 x i32> [[TMP5]], [[TMP4]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
-; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !6
+; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !10
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP11]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP6]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[TMP21:%.*]], [[DOTLR_PH]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
-; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP16]], align 4
-; CHECK-NEXT: [[TMP18:%.*]] = mul nsw i32 [[TMP17]], [[TMP15]]
-; CHECK-NEXT: [[TMP19:%.*]] = trunc i64 [[INDVARS_IV]] to i32
-; CHECK-NEXT: [[TMP20:%.*]] = add i32 [[SUM_02]], [[TMP19]]
-; CHECK-NEXT: [[TMP21]] = add i32 [[TMP20]], [[TMP18]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop !7
-; CHECK: ._crit_edge.loopexit:
-; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP21]], [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !11
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[DOTLCSSA]], [[DOT_CRIT_EDGE_LOOPEXIT]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph, label %._crit_edge
-
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
- %sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %0 ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = mul nsw i32 %5, %3
- %7 = trunc i64 %indvars.iv to i32
- %8 = add i32 %sum.02, %7
- %9 = add i32 %8, %6
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = mul nsw i32 %l5, %l3
+ %l7 = trunc i64 %indvars.iv to i32
+ %l8 = add i32 %sum.02, %l7
+ %l9 = add i32 %l8, %l6
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %._crit_edge, label %.lr.ph
-._crit_edge: ; preds = %.lr.ph, %0
- %sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
ret i32 %sum.0.lcssa
}
-define i32 @reduction_mul(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
+define i32 @reduction_mul(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_mul(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
-; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: entry:
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
; 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> [ <i32 19, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP10:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP8]], align 4
-; CHECK-NEXT: [[TMP9:%.*]] = mul <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP10]] = mul <4 x i32> [[TMP9]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 19, i32 1, i32 1, i32 1>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = mul <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = mul <4 x i32> [[TMP4]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP11]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !8
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !12
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP12:%.*]] = call i32 @llvm.experimental.vector.reduce.mul.v4i32(<4 x i32> [[TMP10]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.mul.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP12]], [[MIDDLE_BLOCK]] ], [ 19, [[DOTLR_PH_PREHEADER]] ]
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[TMP18:%.*]], [[DOTLR_PH]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[TMP13:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP13]], align 4
-; CHECK-NEXT: [[TMP15:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP16:%.*]] = load i32, i32* [[TMP15]], align 4
-; CHECK-NEXT: [[TMP17:%.*]] = mul i32 [[SUM_02]], [[TMP14]]
-; CHECK-NEXT: [[TMP18]] = mul i32 [[TMP17]], [[TMP16]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop !9
-; CHECK: ._crit_edge.loopexit:
-; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ [[TMP18]], [[DOTLR_PH]] ], [ [[TMP12]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !13
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[DOTLCSSA]], [[DOT_CRIT_EDGE_LOOPEXIT]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph, label %._crit_edge
-
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
- %sum.02 = phi i32 [ %7, %.lr.ph ], [ 19, %0 ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = mul i32 %sum.02, %3
- %7 = mul i32 %6, %5
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l7, %.lr.ph ], [ 19, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = mul i32 %sum.02, %l3
+ %l7 = mul i32 %l6, %l5
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %._crit_edge, label %.lr.ph
-._crit_edge: ; preds = %.lr.ph, %0
- %sum.0.lcssa = phi i32 [ 0, %0 ], [ %7, %.lr.ph ]
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l7, %.lr.ph ]
ret i32 %sum.0.lcssa
}
-define i32 @start_at_non_zero(i32* nocapture %in, i32* nocapture %coeff, i32* nocapture %out, i32 %n) nounwind uwtable readonly ssp {
+define i32 @start_at_non_zero(i32* nocapture %in, i32* nocapture %coeff, i32* nocapture %out) {
; CHECK-LABEL: @start_at_non_zero(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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> [ <i32 120, i32 0, i32 0, i32 0>, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[COEFF:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = mul nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = add <4 x i32> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 120, i32 0, i32 0, i32 0>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[IN:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[COEFF:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = mul nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = add <4 x i32> [[TMP4]], [[VEC_PHI]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !10
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !14
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ 120, [[FOR_BODY_PREHEADER]] ]
; 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: [[SUM_09:%.*]] = phi i32 [ [[ADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[IN]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[COEFF]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[MUL:%.*]] = mul nsw i32 [[TMP12]], [[TMP11]]
-; CHECK-NEXT: [[ADD]] = add nsw i32 [[MUL]], [[SUM_09]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !11
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[ADD_LCSSA:%.*]] = phi i32 [ [[ADD]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !15
; CHECK: for.end:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 120, [[ENTRY:%.*]] ], [ [[ADD_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%sum.09 = phi i32 [ %add, %for.body ], [ 120, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %in, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
+ %l0 = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %coeff, i64 %indvars.iv
- %1 = load i32, i32* %arrayidx2, align 4
- %mul = mul nsw i32 %1, %0
+ %l1 = load i32, i32* %arrayidx2, align 4
+ %mul = mul nsw i32 %l1, %l0
%add = add nsw i32 %mul, %sum.09
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %sum.0.lcssa = phi i32 [ 120, %entry ], [ %add, %for.body ]
+ %sum.0.lcssa = phi i32 [ %add, %for.body ]
ret i32 %sum.0.lcssa
}
-define i32 @reduction_and(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
+define i32 @reduction_and(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_and(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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> [ <i32 -1, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = and <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = and <4 x i32> [[TMP7]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 -1, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = and <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = and <4 x i32> [[TMP4]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !12
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !16
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.and.v4i32(<4 x i32> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.and.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ -1, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi i32 [ [[AND:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[ADD:%.*]] = and i32 [[RESULT_08]], [[TMP11]]
-; CHECK-NEXT: [[AND]] = and i32 [[ADD]], [[TMP12]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !13
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[AND_LCSSA:%.*]] = phi i32 [ [[AND]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !17
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ -1, [[ENTRY:%.*]] ], [ [[AND_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi i32 [ %and, %for.body ], [ -1, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
+ %l0 = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %1 = load i32, i32* %arrayidx2, align 4
- %add = and i32 %result.08, %0
- %and = and i32 %add, %1
+ %l1 = load i32, i32* %arrayidx2, align 4
+ %add = and i32 %result.08, %l0
+ %and = and i32 %add, %l1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi i32 [ -1, %entry ], [ %and, %for.body ]
+ %result.0.lcssa = phi i32 [ %and, %for.body ]
ret i32 %result.0.lcssa
}
-define i32 @reduction_or(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
+define i32 @reduction_or(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_or(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = or <4 x i32> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = or <4 x i32> [[TMP4]], [[VEC_PHI]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !14
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !18
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.or.v4i32(<4 x i32> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.or.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi i32 [ [[OR:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP12]], [[TMP11]]
-; CHECK-NEXT: [[OR]] = or i32 [[ADD]], [[RESULT_08]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !15
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[OR_LCSSA:%.*]] = phi i32 [ [[OR]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !19
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[OR_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi i32 [ %or, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
+ %l0 = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %1 = load i32, i32* %arrayidx2, align 4
- %add = add nsw i32 %1, %0
+ %l1 = load i32, i32* %arrayidx2, align 4
+ %add = add nsw i32 %l1, %l0
%or = or i32 %add, %result.08
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi i32 [ 0, %entry ], [ %or, %for.body ]
+ %result.0.lcssa = phi i32 [ %or, %for.body ]
ret i32 %result.0.lcssa
}
-define i32 @reduction_xor(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
+define i32 @reduction_xor(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_xor(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = xor <4 x i32> [[TMP7]], [[VEC_PHI]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = add nsw <4 x i32> [[WIDE_LOAD1]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = xor <4 x i32> [[TMP4]], [[VEC_PHI]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !16
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !20
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call i32 @llvm.experimental.vector.reduce.xor.v4i32(<4 x i32> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.xor.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi i32 [ [[XOR:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load i32, i32* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[ADD:%.*]] = add nsw i32 [[TMP12]], [[TMP11]]
-; CHECK-NEXT: [[XOR]] = xor i32 [[ADD]], [[RESULT_08]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !17
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[XOR_LCSSA:%.*]] = phi i32 [ [[XOR]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !21
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[XOR_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi i32 [ %xor, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
+ %l0 = load i32, i32* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %1 = load i32, i32* %arrayidx2, align 4
- %add = add nsw i32 %1, %0
+ %l1 = load i32, i32* %arrayidx2, align 4
+ %add = add nsw i32 %l1, %l0
%xor = xor i32 %add, %result.08
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi i32 [ 0, %entry ], [ %xor, %for.body ]
+ %result.0.lcssa = phi i32 [ %xor, %for.body ]
ret i32 %result.0.lcssa
}
-define float @reduction_fadd(i32 %n, float* nocapture %A, float* nocapture %B) nounwind uwtable readonly {
+define float @reduction_fadd(float* nocapture %A, float* nocapture %B) {
; CHECK-LABEL: @reduction_fadd(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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 float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <4 x float>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast float* [[TMP5]] to <4 x float>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x float>, <4 x float>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = fadd fast <4 x float> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = fadd fast <4 x float> [[TMP7]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x float> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[TMP0]] to <4 x float>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <4 x float>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x float>, <4 x float>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = fadd fast <4 x float> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = fadd fast <4 x float> [[TMP4]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !18
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !22
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call fast float @llvm.experimental.vector.reduce.v2.fadd.f32.v4f32(float 0.000000e+00, <4 x float> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call fast float @llvm.experimental.vector.reduce.v2.fadd.f32.v4f32(float 0.000000e+00, <4 x float> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi float [ [[FADD:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load float, float* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load float, float* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[ADD:%.*]] = fadd fast float [[RESULT_08]], [[TMP11]]
-; CHECK-NEXT: [[FADD]] = fadd fast float [[ADD]], [[TMP12]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !19
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[FADD_LCSSA:%.*]] = phi float [ [[FADD]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !23
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[FADD_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi float [ %fadd, %for.body ], [ 0.0, %entry ]
%arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv
- %0 = load float, float* %arrayidx, align 4
+ %l0 = load float, float* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds float, float* %B, i64 %indvars.iv
- %1 = load float, float* %arrayidx2, align 4
- %add = fadd fast float %result.08, %0
- %fadd = fadd fast float %add, %1
+ %l1 = load float, float* %arrayidx2, align 4
+ %add = fadd fast float %result.08, %l0
+ %fadd = fadd fast float %add, %l1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi float [ 0.0, %entry ], [ %fadd, %for.body ]
+ %result.0.lcssa = phi float [ %fadd, %for.body ]
ret float %result.0.lcssa
}
-define float @reduction_fmul(i32 %n, float* nocapture %A, float* nocapture %B) nounwind uwtable readonly {
+define float @reduction_fmul(float* nocapture %A, float* nocapture %B) {
; CHECK-LABEL: @reduction_fmul(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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 float> [ <float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, [[VECTOR_PH]] ], [ [[TMP8:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast float* [[TMP3]] to <4 x float>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast float* [[TMP5]] to <4 x float>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x float>, <4 x float>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = fmul fast <4 x float> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP8]] = fmul fast <4 x float> [[TMP7]], [[WIDE_LOAD1]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x float> [ <float 0.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00>, [[VECTOR_PH]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds float, float* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast float* [[TMP0]] to <4 x float>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x float>, <4 x float>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds float, float* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast float* [[TMP2]] to <4 x float>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x float>, <4 x float>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = fmul fast <4 x float> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP5]] = fmul fast <4 x float> [[TMP4]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP9]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !20
+; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !24
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP10:%.*]] = call fast float @llvm.experimental.vector.reduce.v2.fmul.f32.v4f32(float 1.000000e+00, <4 x float> [[TMP8]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP7:%.*]] = call fast float @llvm.experimental.vector.reduce.v2.fmul.f32.v4f32(float 1.000000e+00, <4 x float> [[TMP5]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi float [ [[TMP10]], [[MIDDLE_BLOCK]] ], [ 0.000000e+00, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi float [ [[FMUL:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds float, float* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP11:%.*]] = load float, float* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[ARRAYIDX2:%.*]] = getelementptr inbounds float, float* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP12:%.*]] = load float, float* [[ARRAYIDX2]], align 4
-; CHECK-NEXT: [[ADD:%.*]] = fmul fast float [[RESULT_08]], [[TMP11]]
-; CHECK-NEXT: [[FMUL]] = fmul fast float [[ADD]], [[TMP12]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !21
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[FMUL_LCSSA:%.*]] = phi float [ [[FMUL]], [[FOR_BODY]] ], [ [[TMP10]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !25
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ 0.000000e+00, [[ENTRY:%.*]] ], [ [[FMUL_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi float [ undef, [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi float [ %fmul, %for.body ], [ 0.0, %entry ]
%arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv
- %0 = load float, float* %arrayidx, align 4
+ %l0 = load float, float* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds float, float* %B, i64 %indvars.iv
- %1 = load float, float* %arrayidx2, align 4
- %add = fmul fast float %result.08, %0
- %fmul = fmul fast float %add, %1
+ %l1 = load float, float* %arrayidx2, align 4
+ %add = fmul fast float %result.08, %l0
+ %fmul = fmul fast float %add, %l1
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi float [ 0.0, %entry ], [ %fmul, %for.body ]
+ %result.0.lcssa = phi float [ %fmul, %for.body ]
ret float %result.0.lcssa
}
-define i32 @reduction_min(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
+define i32 @reduction_min(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_min(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = icmp slt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP6]] = select <4 x i1> [[TMP5]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = icmp slt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP3]] = select <4 x i1> [[TMP2]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !22
+; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !26
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> [[TMP6]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.experimental.vector.reduce.smin.v4i32(<4 x i32> [[TMP3]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP8]], [[MIDDLE_BLOCK]] ], [ 1000, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi i32 [ [[V0:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP9:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[C0:%.*]] = icmp slt i32 [[RESULT_08]], [[TMP9]]
-; CHECK-NEXT: [[V0]] = select i1 [[C0]], i32 [[RESULT_08]], i32 [[TMP9]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !23
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[V0_LCSSA:%.*]] = phi i32 [ [[V0]], [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !27
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[V0_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
- %c0 = icmp slt i32 %result.08, %0
- %v0 = select i1 %c0, i32 %result.08, i32 %0
+ %l0 = load i32, i32* %arrayidx, align 4
+ %c0 = icmp slt i32 %result.08, %l0
+ %v0 = select i1 %c0, i32 %result.08, i32 %l0
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi i32 [ 0, %entry ], [ %v0, %for.body ]
+ %result.0.lcssa = phi i32 [ %v0, %for.body ]
ret i32 %result.0.lcssa
}
-define i32 @reduction_max(i32 %n, i32* nocapture %A, i32* nocapture %B) nounwind uwtable readonly {
+define i32 @reduction_max(i32* nocapture %A, i32* nocapture %B) {
; CHECK-LABEL: @reduction_max(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP7:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP7]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5:%.*]] = icmp ugt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP6]] = select <4 x i1> [[TMP5]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 1000, i32 1000, i32 1000, i32 1000>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = icmp ugt <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP3]] = select <4 x i1> [[TMP2]], <4 x i32> [[VEC_PHI]], <4 x i32> [[WIDE_LOAD]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !24
+; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !28
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> [[TMP6]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP5:%.*]] = call i32 @llvm.experimental.vector.reduce.umax.v4i32(<4 x i32> [[TMP3]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP8]], [[MIDDLE_BLOCK]] ], [ 1000, [[FOR_BODY_PREHEADER]] ]
; 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: [[RESULT_08:%.*]] = phi i32 [ [[V0:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP9:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[C0:%.*]] = icmp ugt i32 [[RESULT_08]], [[TMP9]]
-; CHECK-NEXT: [[V0]] = select i1 [[C0]], i32 [[RESULT_08]], i32 [[TMP9]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !25
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[V0_LCSSA:%.*]] = phi i32 [ [[V0]], [[FOR_BODY]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !29
; CHECK: for.end:
-; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[V0_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[RESULT_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[RESULT_0_LCSSA]]
;
entry:
- %cmp7 = icmp sgt i32 %n, 0
- br i1 %cmp7, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%result.08 = phi i32 [ %v0, %for.body ], [ 1000, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
- %c0 = icmp ugt i32 %result.08, %0
- %v0 = select i1 %c0, i32 %result.08, i32 %0
+ %l0 = load i32, i32* %arrayidx, align 4
+ %c0 = icmp ugt i32 %result.08, %l0
+ %v0 = select i1 %c0, i32 %result.08, i32 %l0
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %result.0.lcssa = phi i32 [ 0, %entry ], [ %v0, %for.body ]
+ %result.0.lcssa = phi i32 [ %v0, %for.body ]
ret i32 %result.0.lcssa
}
; Sub we can create a reduction, but not inloop
-define i32 @reduction_sub_lhs(i32 %n, i32* noalias nocapture %A) nounwind uwtable readonly {
+define i32 @reduction_sub_lhs(i32* noalias nocapture %A) {
; CHECK-LABEL: @reduction_sub_lhs(
; CHECK-NEXT: entry:
-; CHECK-NEXT: [[CMP4:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[CMP4]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_END:%.*]]
-; CHECK: for.body.preheader:
-; 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 i32 [[TMP0]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
+; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP2]], 8589934588
; 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]] ], [ [[TMP5:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP4:%.*]] = bitcast i32* [[TMP3]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP4]], align 4
-; CHECK-NEXT: [[TMP5]] = sub <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP2:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2]] = sub <4 x i32> [[VEC_PHI]], [[WIDE_LOAD]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !26
+; CHECK-NEXT: [[TMP3:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP3]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !30
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP7:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP4:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP2]])
+; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP7]], [[MIDDLE_BLOCK]] ], [ 0, [[FOR_BODY_PREHEADER]] ]
; 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: [[X_05:%.*]] = phi i32 [ [[SUB:%.*]], [[FOR_BODY]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP8:%.*]] = load i32, i32* [[ARRAYIDX]], align 4
-; CHECK-NEXT: [[SUB]] = sub nsw i32 [[X_05]], [[TMP8]]
-; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END_LOOPEXIT]], label [[FOR_BODY]], !llvm.loop !27
-; CHECK: for.end.loopexit:
-; CHECK-NEXT: [[SUB_LCSSA:%.*]] = phi i32 [ [[SUB]], [[FOR_BODY]] ], [ [[TMP7]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[FOR_END]]
+; CHECK-NEXT: br i1 undef, label [[FOR_END]], label [[FOR_BODY]], !llvm.loop !31
; CHECK: for.end:
-; CHECK-NEXT: [[X_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[SUB_LCSSA]], [[FOR_END_LOOPEXIT]] ]
+; CHECK-NEXT: [[X_0_LCSSA:%.*]] = phi i32 [ undef, [[FOR_BODY]] ], [ [[TMP4]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[X_0_LCSSA]]
;
entry:
- %cmp4 = icmp sgt i32 %n, 0
- br i1 %cmp4, label %for.body, label %for.end
+ br label %for.body
for.body: ; preds = %entry, %for.body
%indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
%x.05 = phi i32 [ %sub, %for.body ], [ 0, %entry ]
%arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %0 = load i32, i32* %arrayidx, align 4
- %sub = sub nsw i32 %x.05, %0
+ %l0 = load i32, i32* %arrayidx, align 4
+ %sub = sub nsw i32 %x.05, %l0
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end, label %for.body
for.end: ; preds = %for.body, %entry
- %x.0.lcssa = phi i32 [ 0, %entry ], [ %sub, %for.body ]
+ %x.0.lcssa = phi i32 [ %sub, %for.body ]
ret i32 %x.0.lcssa
}
@@ -1051,7 +816,7 @@ define float @reduction_conditional(float* %A, float* %B, float* %C, float %S) {
; CHECK-NEXT: [[PREDPHI3]] = select <4 x i1> [[TMP13]], <4 x float> [[VEC_PHI]], <4 x float> [[PREDPHI]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
; CHECK-NEXT: [[TMP14:%.*]] = icmp eq i64 [[INDEX_NEXT]], 128
-; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !28
+; CHECK-NEXT: br i1 [[TMP14]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !32
; CHECK: middle.block:
; CHECK-NEXT: [[TMP15:%.*]] = call fast float @llvm.experimental.vector.reduce.v2.fadd.f32.v4f32(float 0.000000e+00, <4 x float> [[PREDPHI3]])
; CHECK-NEXT: br i1 true, label [[FOR_END:%.*]], label [[SCALAR_PH]]
@@ -1068,7 +833,7 @@ define float @reduction_conditional(float* %A, float* %B, float* %C, float %S) {
; CHECK: if.then16:
; CHECK-NEXT: br label [[FOR_INC]]
; CHECK: for.inc:
-; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop !29
+; CHECK-NEXT: br i1 undef, label [[FOR_BODY]], label [[FOR_END]], !llvm.loop !33
; CHECK: for.end:
; CHECK-NEXT: [[SUM_1_LCSSA:%.*]] = phi float [ undef, [[FOR_INC]] ], [ [[TMP15]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret float [[SUM_1_LCSSA]]
@@ -1080,26 +845,26 @@ for.body:
%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
%sum.033 = phi float [ %S, %entry ], [ %sum.1, %for.inc ]
%arrayidx = getelementptr inbounds float, float* %A, i64 %indvars.iv
- %0 = load float, float* %arrayidx, align 4
+ %l0 = load float, float* %arrayidx, align 4
%arrayidx2 = getelementptr inbounds float, float* %B, i64 %indvars.iv
- %1 = load float, float* %arrayidx2, align 4
- %cmp3 = fcmp ogt float %0, %1
+ %l1 = load float, float* %arrayidx2, align 4
+ %cmp3 = fcmp ogt float %l0, %l1
br i1 %cmp3, label %if.then, label %for.inc
if.then:
- %cmp6 = fcmp ogt float %1, 1.000000e+00
+ %cmp6 = fcmp ogt float %l1, 1.000000e+00
br i1 %cmp6, label %if.then8, label %if.else
if.then8:
- %add = fadd fast float %sum.033, %0
+ %add = fadd fast float %sum.033, %l0
br label %for.inc
if.else:
- %cmp14 = fcmp ogt float %0, 2.000000e+00
+ %cmp14 = fcmp ogt float %l0, 2.000000e+00
br i1 %cmp14, label %if.then16, label %for.inc
if.then16:
- %add19 = fadd fast float %sum.033, %1
+ %add19 = fadd fast float %sum.033, %l1
br label %for.inc
for.inc:
@@ -1114,245 +879,211 @@ for.end:
ret float %sum.1.lcssa
}
-define i32 @reduction_sum_multiuse(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) {
+define i32 @reduction_sum_multiuse(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_sum_multiuse(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[END:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
-; CHECK-NEXT: [[TMP4:%.*]] = add nuw nsw i64 [[TMP3]], 1
-; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP2]], 3
-; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
-; CHECK: vector.ph:
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP4]], 8589934588
-; 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]] ], [ [[TMP11:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
-; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP6:%.*]] = bitcast i32* [[TMP5]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP6]], align 4
-; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP8:%.*]] = bitcast i32* [[TMP7]] to <4 x i32>*
-; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP8]], align 4
-; CHECK-NEXT: [[TMP9:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
-; CHECK-NEXT: [[TMP10:%.*]] = add <4 x i32> [[TMP9]], [[WIDE_LOAD]]
-; CHECK-NEXT: [[TMP11]] = add <4 x i32> [[TMP10]], [[WIDE_LOAD1]]
-; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
-; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP12]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !30
-; CHECK: middle.block:
-; CHECK-NEXT: [[TMP13:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP11]])
-; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP4]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[CMP_N]], label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
-; CHECK: scalar.ph:
-; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
-; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[TMP13]], [[MIDDLE_BLOCK]] ], [ 0, [[DOTLR_PH_PREHEADER]] ]
+; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ [[BC_RESUME_VAL]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[TMP21:%.*]], [[DOTLR_PH]] ], [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ]
-; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
-; CHECK-NEXT: [[TMP16:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[INDVARS_IV]]
-; CHECK-NEXT: [[TMP17:%.*]] = load i32, i32* [[TMP16]], align 4
-; CHECK-NEXT: [[TMP18:%.*]] = trunc i64 [[INDVARS_IV]] to i32
-; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[SUM_02]], [[TMP18]]
-; CHECK-NEXT: [[TMP20:%.*]] = add i32 [[TMP19]], [[TMP15]]
-; CHECK-NEXT: [[TMP21]] = add i32 [[TMP20]], [[TMP17]]
+; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[DOTLR_PH]] ], [ 0, [[ENTRY:%.*]] ]
+; CHECK-NEXT: [[SUM_02:%.*]] = phi i32 [ [[L10:%.*]], [[DOTLR_PH]] ], [ 0, [[ENTRY]] ]
+; CHECK-NEXT: [[L2:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT: [[L3:%.*]] = load i32, i32* [[L2]], align 4
+; CHECK-NEXT: [[L6:%.*]] = trunc i64 [[INDVARS_IV]] to i32
+; CHECK-NEXT: [[L7:%.*]] = add i32 [[SUM_02]], [[L6]]
+; CHECK-NEXT: [[L8:%.*]] = add i32 [[L7]], [[L3]]
+; CHECK-NEXT: [[L10]] = add i32 [[L8]], [[SUM_02]]
; 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 eq i32 [[LFTR_WIDEIV]], [[N]]
-; CHECK-NEXT: br i1 [[EXITCOND]], label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !31
-; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_LCSSA:%.*]] = phi i32 [ [[TMP21]], [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: [[SUM_COPY:%.*]] = phi i32 [ [[TMP21]], [[DOTLR_PH]] ], [ [[TMP13]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[END]]
+; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[LFTR_WIDEIV]], 256
+; CHECK-NEXT: br i1 [[EXITCOND]], label [[END:%.*]], label [[DOTLR_PH]]
; CHECK: end:
-; CHECK-NEXT: [[F1:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[SUM_LCSSA]], [[DOT_CRIT_EDGE]] ]
-; CHECK-NEXT: [[F2:%.*]] = phi i32 [ 0, [[TMP0]] ], [ [[SUM_COPY]], [[DOT_CRIT_EDGE]] ]
-; CHECK-NEXT: [[FINAL:%.*]] = add i32 [[F1]], [[F2]]
-; CHECK-NEXT: ret i32 [[FINAL]]
+; CHECK-NEXT: ret i32 [[L10]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph.preheader, label %end
-.lr.ph.preheader: ; preds = %0
+entry:
br label %.lr.ph
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.lr.ph.preheader ]
- %sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %.lr.ph.preheader ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = trunc i64 %indvars.iv to i32
- %7 = add i32 %sum.02, %6
- %8 = add i32 %7, %3
- %9 = add i32 %8, %5
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l10, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = trunc i64 %indvars.iv to i32
+ %l7 = add i32 %sum.02, %l6
+ %l8 = add i32 %l7, %l3
+ %l9 = add i32 %l8, %l5
+ %l10 = add i32 %l8, %sum.02
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
- br i1 %exitcond, label %._crit_edge, label %.lr.ph
-
-._crit_edge: ; preds = %.lr.ph, %0
- %sum.lcssa = phi i32 [ %9, %.lr.ph ]
- %sum.copy = phi i32 [ %9, %.lr.ph ]
- br label %end
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
+ br i1 %exitcond, label %end, label %.lr.ph
end:
- %f1 = phi i32 [ 0, %0 ], [ %sum.lcssa, %._crit_edge ]
- %f2 = phi i32 [ 0, %0 ], [ %sum.copy, %._crit_edge ]
- %final = add i32 %f1, %f2
- ret i32 %final
+ %f1 = phi i32 [ %l10, %.lr.ph ]
+ ret i32 %f1
}
; Predicated loop, cannot (yet) use in-loop reductions.
-define i32 @reduction_predicated(i32 %n, i32* noalias nocapture %A, i32* noalias nocapture %B) nounwind uwtable readonly noinline ssp {
+define i32 @reduction_predicated(i32* noalias nocapture %A, i32* noalias nocapture %B) {
; CHECK-LABEL: @reduction_predicated(
-; CHECK-NEXT: [[TMP1:%.*]] = icmp sgt i32 [[N:%.*]], 0
-; CHECK-NEXT: br i1 [[TMP1]], label [[DOTLR_PH_PREHEADER:%.*]], label [[DOT_CRIT_EDGE:%.*]]
-; CHECK: .lr.ph.preheader:
-; CHECK-NEXT: [[TMP2:%.*]] = add i32 [[N]], -1
-; CHECK-NEXT: [[TMP3:%.*]] = zext i32 [[TMP2]] to i64
+; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
; CHECK: vector.ph:
-; CHECK-NEXT: [[N_RND_UP:%.*]] = add nuw nsw i64 [[TMP3]], 4
-; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[N_RND_UP]], 8589934588
-; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i64> undef, i64 [[TMP3]], i32 0
-; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i64> [[BROADCAST_SPLATINSERT]], <4 x i64> undef, <4 x i32> zeroinitializer
; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
; CHECK: vector.body:
-; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[PRED_LOAD_CONTINUE14:%.*]] ]
-; CHECK-NEXT: [[VEC_IND:%.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], [[PRED_LOAD_CONTINUE14]] ]
-; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP50:%.*]], [[PRED_LOAD_CONTINUE14]] ]
-; CHECK-NEXT: [[VEC_IND15:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT16:%.*]], [[PRED_LOAD_CONTINUE14]] ]
-; CHECK-NEXT: [[TMP4:%.*]] = or i64 [[INDEX]], 1
-; CHECK-NEXT: [[TMP5:%.*]] = or i64 [[INDEX]], 2
-; CHECK-NEXT: [[TMP6:%.*]] = or i64 [[INDEX]], 3
-; CHECK-NEXT: [[TMP7:%.*]] = icmp ule <4 x i64> [[VEC_IND]], [[BROADCAST_SPLAT]]
-; CHECK-NEXT: [[TMP8:%.*]] = extractelement <4 x i1> [[TMP7]], i32 0
-; CHECK-NEXT: br i1 [[TMP8]], label [[PRED_LOAD_IF:%.*]], label [[PRED_LOAD_CONTINUE:%.*]]
-; CHECK: pred.load.if:
-; CHECK-NEXT: [[TMP9:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP9]], align 4
-; CHECK-NEXT: [[TMP11:%.*]] = insertelement <4 x i32> undef, i32 [[TMP10]], i32 0
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE]]
-; CHECK: pred.load.continue:
-; CHECK-NEXT: [[TMP12:%.*]] = phi <4 x i32> [ undef, [[VECTOR_BODY]] ], [ [[TMP11]], [[PRED_LOAD_IF]] ]
-; CHECK-NEXT: [[TMP13:%.*]] = extractelement <4 x i1> [[TMP7]], i32 1
-; CHECK-NEXT: br i1 [[TMP13]], label [[PRED_LOAD_IF1:%.*]], label [[PRED_LOAD_CONTINUE2:%.*]]
-; CHECK: pred.load.if1:
-; CHECK-NEXT: [[TMP14:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP4]]
-; CHECK-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP14]], align 4
-; CHECK-NEXT: [[TMP16:%.*]] = insertelement <4 x i32> [[TMP12]], i32 [[TMP15]], i32 1
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE2]]
-; CHECK: pred.load.continue2:
-; CHECK-NEXT: [[TMP17:%.*]] = phi <4 x i32> [ [[TMP12]], [[PRED_LOAD_CONTINUE]] ], [ [[TMP16]], [[PRED_LOAD_IF1]] ]
-; CHECK-NEXT: [[TMP18:%.*]] = extractelement <4 x i1> [[TMP7]], i32 2
-; CHECK-NEXT: br i1 [[TMP18]], label [[PRED_LOAD_IF3:%.*]], label [[PRED_LOAD_CONTINUE4:%.*]]
-; CHECK: pred.load.if3:
-; CHECK-NEXT: [[TMP19:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP5]]
-; CHECK-NEXT: [[TMP20:%.*]] = load i32, i32* [[TMP19]], align 4
-; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> [[TMP17]], i32 [[TMP20]], i32 2
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE4]]
-; CHECK: pred.load.continue4:
-; CHECK-NEXT: [[TMP22:%.*]] = phi <4 x i32> [ [[TMP17]], [[PRED_LOAD_CONTINUE2]] ], [ [[TMP21]], [[PRED_LOAD_IF3]] ]
-; CHECK-NEXT: [[TMP23:%.*]] = extractelement <4 x i1> [[TMP7]], i32 3
-; CHECK-NEXT: br i1 [[TMP23]], label [[PRED_LOAD_IF5:%.*]], label [[PRED_LOAD_CONTINUE6:%.*]]
-; CHECK: pred.load.if5:
-; CHECK-NEXT: [[TMP24:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP6]]
-; CHECK-NEXT: [[TMP25:%.*]] = load i32, i32* [[TMP24]], align 4
-; CHECK-NEXT: [[TMP26:%.*]] = insertelement <4 x i32> [[TMP22]], i32 [[TMP25]], i32 3
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE6]]
-; CHECK: pred.load.continue6:
-; CHECK-NEXT: [[TMP27:%.*]] = phi <4 x i32> [ [[TMP22]], [[PRED_LOAD_CONTINUE4]] ], [ [[TMP26]], [[PRED_LOAD_IF5]] ]
-; CHECK-NEXT: [[TMP28:%.*]] = extractelement <4 x i1> [[TMP7]], i32 0
-; CHECK-NEXT: br i1 [[TMP28]], label [[PRED_LOAD_IF7:%.*]], label [[PRED_LOAD_CONTINUE8:%.*]]
-; CHECK: pred.load.if7:
-; CHECK-NEXT: [[TMP29:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
-; CHECK-NEXT: [[TMP30:%.*]] = load i32, i32* [[TMP29]], align 4
-; CHECK-NEXT: [[TMP31:%.*]] = insertelement <4 x i32> undef, i32 [[TMP30]], i32 0
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE8]]
-; CHECK: pred.load.continue8:
-; CHECK-NEXT: [[TMP32:%.*]] = phi <4 x i32> [ undef, [[PRED_LOAD_CONTINUE6]] ], [ [[TMP31]], [[PRED_LOAD_IF7]] ]
-; CHECK-NEXT: [[TMP33:%.*]] = extractelement <4 x i1> [[TMP7]], i32 1
-; CHECK-NEXT: br i1 [[TMP33]], label [[PRED_LOAD_IF9:%.*]], label [[PRED_LOAD_CONTINUE10:%.*]]
-; CHECK: pred.load.if9:
-; CHECK-NEXT: [[TMP34:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP4]]
-; CHECK-NEXT: [[TMP35:%.*]] = load i32, i32* [[TMP34]], align 4
-; CHECK-NEXT: [[TMP36:%.*]] = insertelement <4 x i32> [[TMP32]], i32 [[TMP35]], i32 1
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE10]]
-; CHECK: pred.load.continue10:
-; CHECK-NEXT: [[TMP37:%.*]] = phi <4 x i32> [ [[TMP32]], [[PRED_LOAD_CONTINUE8]] ], [ [[TMP36]], [[PRED_LOAD_IF9]] ]
-; CHECK-NEXT: [[TMP38:%.*]] = extractelement <4 x i1> [[TMP7]], i32 2
-; CHECK-NEXT: br i1 [[TMP38]], label [[PRED_LOAD_IF11:%.*]], label [[PRED_LOAD_CONTINUE12:%.*]]
-; CHECK: pred.load.if11:
-; CHECK-NEXT: [[TMP39:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP5]]
-; CHECK-NEXT: [[TMP40:%.*]] = load i32, i32* [[TMP39]], align 4
-; CHECK-NEXT: [[TMP41:%.*]] = insertelement <4 x i32> [[TMP37]], i32 [[TMP40]], i32 2
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE12]]
-; CHECK: pred.load.continue12:
-; CHECK-NEXT: [[TMP42:%.*]] = phi <4 x i32> [ [[TMP37]], [[PRED_LOAD_CONTINUE10]] ], [ [[TMP41]], [[PRED_LOAD_IF11]] ]
-; CHECK-NEXT: [[TMP43:%.*]] = extractelement <4 x i1> [[TMP7]], i32 3
-; CHECK-NEXT: br i1 [[TMP43]], label [[PRED_LOAD_IF13:%.*]], label [[PRED_LOAD_CONTINUE14]]
-; CHECK: pred.load.if13:
-; CHECK-NEXT: [[TMP44:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[TMP6]]
-; CHECK-NEXT: [[TMP45:%.*]] = load i32, i32* [[TMP44]], align 4
-; CHECK-NEXT: [[TMP46:%.*]] = insertelement <4 x i32> [[TMP42]], i32 [[TMP45]], i32 3
-; CHECK-NEXT: br label [[PRED_LOAD_CONTINUE14]]
-; CHECK: pred.load.continue14:
-; CHECK-NEXT: [[TMP47:%.*]] = phi <4 x i32> [ [[TMP42]], [[PRED_LOAD_CONTINUE12]] ], [ [[TMP46]], [[PRED_LOAD_IF13]] ]
-; CHECK-NEXT: [[TMP48:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND15]]
-; CHECK-NEXT: [[TMP49:%.*]] = add <4 x i32> [[TMP48]], [[TMP27]]
-; CHECK-NEXT: [[TMP50]] = add <4 x i32> [[TMP49]], [[TMP47]]
+; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP6:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[VEC_IND2:%.*]] = phi <4 x i32> [ <i32 0, i32 1, i32 2, i32 3>, [[VECTOR_PH]] ], [ [[VEC_IND_NEXT3:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP1:%.*]] = bitcast i32* [[TMP0]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP1]], align 4
+; CHECK-NEXT: [[TMP2:%.*]] = getelementptr inbounds i32, i32* [[B:%.*]], i64 [[INDEX]]
+; CHECK-NEXT: [[TMP3:%.*]] = bitcast i32* [[TMP2]] to <4 x i32>*
+; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <4 x i32>, <4 x i32>* [[TMP3]], align 4
+; CHECK-NEXT: [[TMP4:%.*]] = add <4 x i32> [[VEC_PHI]], [[VEC_IND2]]
+; CHECK-NEXT: [[TMP5:%.*]] = add <4 x i32> [[TMP4]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[TMP6]] = add <4 x i32> [[TMP5]], [[WIDE_LOAD1]]
; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
-; CHECK-NEXT: [[VEC_IND_NEXT]] = add <4 x i64> [[VEC_IND]], <i64 4, i64 4, i64 4, i64 4>
-; CHECK-NEXT: [[VEC_IND_NEXT16]] = add <4 x i32> [[VEC_IND15]], <i32 4, i32 4, i32 4, i32 4>
-; CHECK-NEXT: [[TMP51:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
-; CHECK-NEXT: br i1 [[TMP51]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !32
+; CHECK-NEXT: [[VEC_IND_NEXT3]] = add <4 x i32> [[VEC_IND2]], <i32 4, i32 4, i32 4, i32 4>
+; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !34
; CHECK: middle.block:
-; CHECK-NEXT: [[TMP52:%.*]] = select <4 x i1> [[TMP7]], <4 x i32> [[TMP50]], <4 x i32> [[VEC_PHI]]
-; CHECK-NEXT: [[TMP53:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP52]])
-; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE_LOOPEXIT:%.*]], label [[SCALAR_PH]]
+; CHECK-NEXT: [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP6]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
; CHECK: scalar.ph:
; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
; CHECK: .lr.ph:
-; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE_LOOPEXIT]], label [[DOTLR_PH]], !llvm.loop !33
-; CHECK: ._crit_edge.loopexit:
-; CHECK-NEXT: [[DOTLCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP53]], [[MIDDLE_BLOCK]] ]
-; CHECK-NEXT: br label [[DOT_CRIT_EDGE]]
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !35
; CHECK: ._crit_edge:
-; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ [[DOTLCSSA]], [[DOT_CRIT_EDGE_LOOPEXIT]] ]
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP8]], [[MIDDLE_BLOCK]] ]
; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]]
;
- %1 = icmp sgt i32 %n, 0
- br i1 %1, label %.lr.ph, label %._crit_edge
-
-.lr.ph: ; preds = %0, %.lr.ph
- %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
- %sum.02 = phi i32 [ %9, %.lr.ph ], [ 0, %0 ]
- %2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
- %3 = load i32, i32* %2, align 4
- %4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
- %5 = load i32, i32* %4, align 4
- %6 = trunc i64 %indvars.iv to i32
- %7 = add i32 %sum.02, %6
- %8 = add i32 %7, %3
- %9 = add i32 %8, %5
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02 = phi i32 [ %l9, %.lr.ph ], [ 0, %entry ]
+ %l2 = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
+ %l3 = load i32, i32* %l2, align 4
+ %l4 = getelementptr inbounds i32, i32* %B, i64 %indvars.iv
+ %l5 = load i32, i32* %l4, align 4
+ %l6 = trunc i64 %indvars.iv to i32
+ %l7 = add i32 %sum.02, %l6
+ %l8 = add i32 %l7, %l3
+ %l9 = add i32 %l8, %l5
%indvars.iv.next = add i64 %indvars.iv, 1
%lftr.wideiv = trunc i64 %indvars.iv.next to i32
- %exitcond = icmp eq i32 %lftr.wideiv, %n
+ %exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %._crit_edge, label %.lr.ph, !llvm.loop !6
-._crit_edge: ; preds = %.lr.ph, %0
- %sum.0.lcssa = phi i32 [ 0, %0 ], [ %9, %.lr.ph ]
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
ret i32 %sum.0.lcssa
}
+define i8 @reduction_add_trunc(i8* noalias nocapture %A) {
+; CHECK-LABEL: @reduction_add_trunc(
+; 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: [[VEC_PHI:%.*]] = phi <4 x i8> [ <i8 -1, i8 0, i8 0, i8 0>, [[VECTOR_PH]] ], [ [[TMP3:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i64 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[TMP1]] to <4 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP2]], align 4
+; CHECK-NEXT: [[TMP3]] = add <4 x i8> [[VEC_PHI]], [[WIDE_LOAD]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP4:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP4]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !36
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP5:%.*]] = call i8 @llvm.experimental.vector.reduce.add.v4i8(<4 x i8> [[TMP3]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
+; CHECK: .lr.ph:
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !37
+; CHECK: ._crit_edge:
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i8 [ undef, [[DOTLR_PH]] ], [ [[TMP5]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: ret i8 [[SUM_0_LCSSA]]
+;
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02p = phi i32 [ %l9, %.lr.ph ], [ 255, %entry ]
+ %sum.02 = and i32 %sum.02p, 255
+ %l2 = getelementptr inbounds i8, i8* %A, i32 %indvars.iv
+ %l3 = load i8, i8* %l2, align 4
+ %l3e = zext i8 %l3 to i32
+ %l9 = add i32 %sum.02, %l3e
+ %indvars.iv.next = add i32 %indvars.iv, 1
+ %exitcond = icmp eq i32 %indvars.iv.next, 256
+ br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
+ %ret = trunc i32 %sum.0.lcssa to i8
+ ret i8 %ret
+}
+
+
+define i8 @reduction_and_trunc(i8* noalias nocapture %A) {
+; CHECK-LABEL: @reduction_and_trunc(
+; 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: [[VEC_PHI:%.*]] = phi <4 x i32> [ <i32 255, i32 -1, i32 -1, i32 -1>, [[VECTOR_PH]] ], [ [[TMP4:%.*]], [[VECTOR_BODY]] ]
+; CHECK-NEXT: [[TMP0:%.*]] = sext i32 [[INDEX]] to i64
+; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[A:%.*]], i64 [[TMP0]]
+; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[TMP1]] to <4 x i8>*
+; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP2]], align 4
+; CHECK-NEXT: [[TMP3:%.*]] = zext <4 x i8> [[WIDE_LOAD]] to <4 x i32>
+; CHECK-NEXT: [[TMP4]] = and <4 x i32> [[VEC_PHI]], [[TMP3]]
+; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 4
+; CHECK-NEXT: [[TMP5:%.*]] = icmp eq i32 [[INDEX_NEXT]], 256
+; CHECK-NEXT: br i1 [[TMP5]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !38
+; CHECK: middle.block:
+; CHECK-NEXT: [[TMP6:%.*]] = call i32 @llvm.experimental.vector.reduce.and.v4i32(<4 x i32> [[TMP4]])
+; CHECK-NEXT: br i1 true, label [[DOT_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
+; CHECK: scalar.ph:
+; CHECK-NEXT: br label [[DOTLR_PH:%.*]]
+; CHECK: .lr.ph:
+; CHECK-NEXT: br i1 undef, label [[DOT_CRIT_EDGE]], label [[DOTLR_PH]], !llvm.loop !39
+; CHECK: ._crit_edge:
+; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ undef, [[DOTLR_PH]] ], [ [[TMP6]], [[MIDDLE_BLOCK]] ]
+; CHECK-NEXT: [[RET:%.*]] = trunc i32 [[SUM_0_LCSSA]] to i8
+; CHECK-NEXT: ret i8 [[RET]]
+;
+entry:
+ br label %.lr.ph
+
+.lr.ph: ; preds = %entry, %.lr.ph
+ %indvars.iv = phi i32 [ %indvars.iv.next, %.lr.ph ], [ 0, %entry ]
+ %sum.02p = phi i32 [ %l9, %.lr.ph ], [ 255, %entry ]
+ %sum.02 = and i32 %sum.02p, 255
+ %l2 = getelementptr inbounds i8, i8* %A, i32 %indvars.iv
+ %l3 = load i8, i8* %l2, align 4
+ %l3e = zext i8 %l3 to i32
+ %l9 = and i32 %sum.02, %l3e
+ %indvars.iv.next = add i32 %indvars.iv, 1
+ %exitcond = icmp eq i32 %indvars.iv.next, 256
+ br i1 %exitcond, label %._crit_edge, label %.lr.ph
+
+._crit_edge: ; preds = %.lr.ph
+ %sum.0.lcssa = phi i32 [ %l9, %.lr.ph ]
+ %ret = trunc i32 %sum.0.lcssa to i8
+ ret i8 %ret
+}
+
!6 = distinct !{!6, !7, !8}
!7 = !{!"llvm.loop.vectorize.predicate.enable", i1 true}
!8 = !{!"llvm.loop.vectorize.enable", i1 true}
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