[llvm] 06a5e2f - [Test] Use generated auto-checks to make further changes more visible

Max Kazantsev via llvm-commits llvm-commits at lists.llvm.org
Tue Oct 13 01:17:07 PDT 2020


Author: Max Kazantsev
Date: 2020-10-13T15:16:32+07:00
New Revision: 06a5e2f307891de2073f03fe3a1113384d1cccea

URL: https://github.com/llvm/llvm-project/commit/06a5e2f307891de2073f03fe3a1113384d1cccea
DIFF: https://github.com/llvm/llvm-project/commit/06a5e2f307891de2073f03fe3a1113384d1cccea.diff

LOG: [Test] Use generated auto-checks to make further changes more visible

Added: 
    

Modified: 
    llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll

Removed: 
    


################################################################################
diff  --git a/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll b/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll
index d1712da3a6be..5cc288c58e68 100644
--- a/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll
+++ b/llvm/test/Transforms/IndVarSimplify/promote-iv-to-eliminate-casts.ll
@@ -1,3 +1,4 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
 ; RUN: opt < %s -indvars -S | FileCheck %s
 
 ; Provide legal integer types.
@@ -6,67 +7,128 @@ target datalayout = "n8:16:32:64"
 ; CHECK-NOT: sext
 
 define i64 @test(i64* nocapture %first, i32 %count) nounwind readonly {
+; CHECK-LABEL: @test(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[T0:%.*]] = icmp sgt i32 [[COUNT:%.*]], 0
+; CHECK-NEXT:    br i1 [[T0]], label [[BB_NPH:%.*]], label [[BB2:%.*]]
+; CHECK:       bb.nph:
+; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i32 [[COUNT]] to i64
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[BB1:%.*]] ], [ 0, [[BB_NPH]] ]
+; CHECK-NEXT:    [[RESULT_02:%.*]] = phi i64 [ [[T5:%.*]], [[BB1]] ], [ 0, [[BB_NPH]] ]
+; CHECK-NEXT:    [[T2:%.*]] = getelementptr i64, i64* [[FIRST:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    [[T3:%.*]] = load i64, i64* [[T2]], align 8
+; CHECK-NEXT:    [[T4:%.*]] = lshr i64 [[T3]], 4
+; CHECK-NEXT:    [[T5]] = add i64 [[T4]], [[RESULT_02]]
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    br label [[BB1]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
+; CHECK-NEXT:    br i1 [[EXITCOND]], label [[BB]], label [[BB1_BB2_CRIT_EDGE:%.*]]
+; CHECK:       bb1.bb2_crit_edge:
+; CHECK-NEXT:    [[DOTLCSSA:%.*]] = phi i64 [ [[T5]], [[BB1]] ]
+; CHECK-NEXT:    br label [[BB2]]
+; CHECK:       bb2:
+; CHECK-NEXT:    [[RESULT_0_LCSSA:%.*]] = phi i64 [ [[DOTLCSSA]], [[BB1_BB2_CRIT_EDGE]] ], [ 0, [[ENTRY:%.*]] ]
+; CHECK-NEXT:    ret i64 [[RESULT_0_LCSSA]]
+;
 entry:
-	%t0 = icmp sgt i32 %count, 0		; <i1> [#uses=1]
-	br i1 %t0, label %bb.nph, label %bb2
+  %t0 = icmp sgt i32 %count, 0		; <i1> [#uses=1]
+  br i1 %t0, label %bb.nph, label %bb2
 
 bb.nph:		; preds = %entry
-	br label %bb
+  br label %bb
 
 bb:		; preds = %bb1, %bb.nph
-	%result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ]		; <i64> [#uses=1]
-	%n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ]		; <i32> [#uses=2]
-	%t1 = sext i32 %n.01 to i64		; <i64> [#uses=1]
-	%t2 = getelementptr i64, i64* %first, i64 %t1		; <i64*> [#uses=1]
-	%t3 = load i64, i64* %t2, align 8		; <i64> [#uses=1]
-	%t4 = lshr i64 %t3, 4		; <i64> [#uses=1]
-	%t5 = add i64 %t4, %result.02		; <i64> [#uses=2]
-	%t6 = add i32 %n.01, 1		; <i32> [#uses=2]
-	br label %bb1
+  %result.02 = phi i64 [ %t5, %bb1 ], [ 0, %bb.nph ]		; <i64> [#uses=1]
+  %n.01 = phi i32 [ %t6, %bb1 ], [ 0, %bb.nph ]		; <i32> [#uses=2]
+  %t1 = sext i32 %n.01 to i64		; <i64> [#uses=1]
+  %t2 = getelementptr i64, i64* %first, i64 %t1		; <i64*> [#uses=1]
+  %t3 = load i64, i64* %t2, align 8		; <i64> [#uses=1]
+  %t4 = lshr i64 %t3, 4		; <i64> [#uses=1]
+  %t5 = add i64 %t4, %result.02		; <i64> [#uses=2]
+  %t6 = add i32 %n.01, 1		; <i32> [#uses=2]
+  br label %bb1
 
 bb1:		; preds = %bb
-	%t7 = icmp slt i32 %t6, %count		; <i1> [#uses=1]
-	br i1 %t7, label %bb, label %bb1.bb2_crit_edge
+  %t7 = icmp slt i32 %t6, %count		; <i1> [#uses=1]
+  br i1 %t7, label %bb, label %bb1.bb2_crit_edge
 
 bb1.bb2_crit_edge:		; preds = %bb1
-	%.lcssa = phi i64 [ %t5, %bb1 ]		; <i64> [#uses=1]
-	br label %bb2
+  %.lcssa = phi i64 [ %t5, %bb1 ]		; <i64> [#uses=1]
+  br label %bb2
 
 bb2:		; preds = %bb1.bb2_crit_edge, %entry
-	%result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ]		; <i64> [#uses=1]
-	ret i64 %result.0.lcssa
+  %result.0.lcssa = phi i64 [ %.lcssa, %bb1.bb2_crit_edge ], [ 0, %entry ]		; <i64> [#uses=1]
+  ret i64 %result.0.lcssa
 }
 
 define void @foo(i16 signext %N, i32* nocapture %P) nounwind {
+; CHECK-LABEL: @foo(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[T0:%.*]] = icmp sgt i16 [[N:%.*]], 0
+; CHECK-NEXT:    br i1 [[T0]], label [[BB_NPH:%.*]], label [[RETURN:%.*]]
+; CHECK:       bb.nph:
+; CHECK-NEXT:    [[WIDE_TRIP_COUNT:%.*]] = zext i16 [[N]] to i64
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[BB1:%.*]] ], [ 0, [[BB_NPH]] ]
+; CHECK-NEXT:    [[T2:%.*]] = getelementptr i32, i32* [[P:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    store i32 123, i32* [[T2]], align 4
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    br label [[BB1]]
+; CHECK:       bb1:
+; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp ne i64 [[INDVARS_IV_NEXT]], [[WIDE_TRIP_COUNT]]
+; CHECK-NEXT:    br i1 [[EXITCOND]], label [[BB]], label [[BB1_RETURN_CRIT_EDGE:%.*]]
+; CHECK:       bb1.return_crit_edge:
+; CHECK-NEXT:    br label [[RETURN]]
+; CHECK:       return:
+; CHECK-NEXT:    ret void
+;
 entry:
-	%t0 = icmp sgt i16 %N, 0		; <i1> [#uses=1]
-	br i1 %t0, label %bb.nph, label %return
+  %t0 = icmp sgt i16 %N, 0		; <i1> [#uses=1]
+  br i1 %t0, label %bb.nph, label %return
 
 bb.nph:		; preds = %entry
-	br label %bb
+  br label %bb
 
 bb:		; preds = %bb1, %bb.nph
-	%i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ]		; <i16> [#uses=2]
-	%t1 = sext i16 %i.01 to i64		; <i64> [#uses=1]
-	%t2 = getelementptr i32, i32* %P, i64 %t1		; <i32*> [#uses=1]
-	store i32 123, i32* %t2, align 4
-	%t3 = add i16 %i.01, 1		; <i16> [#uses=2]
-	br label %bb1
+  %i.01 = phi i16 [ %t3, %bb1 ], [ 0, %bb.nph ]		; <i16> [#uses=2]
+  %t1 = sext i16 %i.01 to i64		; <i64> [#uses=1]
+  %t2 = getelementptr i32, i32* %P, i64 %t1		; <i32*> [#uses=1]
+  store i32 123, i32* %t2, align 4
+  %t3 = add i16 %i.01, 1		; <i16> [#uses=2]
+  br label %bb1
 
 bb1:		; preds = %bb
-	%t4 = icmp slt i16 %t3, %N		; <i1> [#uses=1]
-	br i1 %t4, label %bb, label %bb1.return_crit_edge
+  %t4 = icmp slt i16 %t3, %N		; <i1> [#uses=1]
+  br i1 %t4, label %bb, label %bb1.return_crit_edge
 
 bb1.return_crit_edge:		; preds = %bb1
-	br label %return
+  br label %return
 
 return:		; preds = %bb1.return_crit_edge, %entry
-	ret void
+  ret void
 }
 
 ; Test cases from PR1301:
 
 define void @kinds__srangezero([21 x i32]* nocapture %a) nounwind {
+; CHECK-LABEL: @kinds__srangezero(
+; CHECK-NEXT:  bb.thread:
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[BB]] ], [ -10, [[BB_THREAD:%.*]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i32 [[INDVARS_IV]], 10
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr [21 x i32], [21 x i32]* [[A:%.*]], i32 0, i32 [[TMP4]]
+; CHECK-NEXT:    store i32 0, i32* [[TMP5]], align 4
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nsw i32 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], 11
+; CHECK-NEXT:    br i1 [[EXITCOND]], label [[RETURN:%.*]], label [[BB]]
+; CHECK:       return:
+; CHECK-NEXT:    ret void
+;
 bb.thread:
   br label %bb
 
@@ -85,6 +147,20 @@ return:         ; preds = %bb
 }
 
 define void @kinds__urangezero([21 x i32]* nocapture %a) nounwind {
+; CHECK-LABEL: @kinds__urangezero(
+; CHECK-NEXT:  bb.thread:
+; CHECK-NEXT:    br label [[BB:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i32 [ [[INDVARS_IV_NEXT:%.*]], [[BB]] ], [ 10, [[BB_THREAD:%.*]] ]
+; CHECK-NEXT:    [[TMP4:%.*]] = add nsw i32 [[INDVARS_IV]], -10
+; CHECK-NEXT:    [[TMP5:%.*]] = getelementptr [21 x i32], [21 x i32]* [[A:%.*]], i32 0, i32 [[TMP4]]
+; CHECK-NEXT:    store i32 0, i32* [[TMP5]], align 4
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nuw nsw i32 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[EXITCOND:%.*]] = icmp eq i32 [[INDVARS_IV_NEXT]], 31
+; CHECK-NEXT:    br i1 [[EXITCOND]], label [[RETURN:%.*]], label [[BB]]
+; CHECK:       return:
+; CHECK-NEXT:    ret void
+;
 bb.thread:
   br label %bb
 
@@ -103,9 +179,27 @@ return:         ; preds = %bb
 }
 
 define void @promote_latch_condition_decrementing_loop_01(i32* %p, i32* %a) {
-
 ; CHECK-LABEL: @promote_latch_condition_decrementing_loop_01(
-; CHECK-NOT:     trunc
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[P:%.*]], align 4, [[RNG0:!range !.*]]
+; CHECK-NEXT:    [[LEN_MINUS_1:%.*]] = add nsw i32 [[LEN]], -1
+; CHECK-NEXT:    [[ZERO_CHECK:%.*]] = icmp eq i32 [[LEN]], 0
+; CHECK-NEXT:    br i1 [[ZERO_CHECK]], label [[LOOPEXIT:%.*]], label [[PREHEADER:%.*]]
+; CHECK:       preheader:
+; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[LEN_MINUS_1]] to i64
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loopexit.loopexit:
+; CHECK-NEXT:    br label [[LOOPEXIT]]
+; CHECK:       loopexit:
+; CHECK-NEXT:    ret void
+; CHECK:       loop:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[TMP0]], [[PREHEADER]] ]
+; CHECK-NEXT:    [[EL:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    store atomic i32 0, i32* [[EL]] unordered, align 4
+; CHECK-NEXT:    [[LOOPCOND:%.*]] = icmp slt i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nsw i64 [[INDVARS_IV]], -1
+; CHECK-NEXT:    br i1 [[LOOPCOND]], label [[LOOPEXIT_LOOPEXIT:%.*]], label [[LOOP]]
+;
 
 entry:
   %len = load i32, i32* %p, align 4, !range !0
@@ -121,20 +215,35 @@ loopexit:
 
 loop:
   %iv = phi i32 [ %iv.next, %loop ], [ %len.minus.1, %preheader ]
-  ; CHECK: %indvars.iv = phi i64
   %iv.wide = zext i32 %iv to i64
   %el = getelementptr inbounds i32, i32* %a, i64 %iv.wide
   store atomic i32 0, i32* %el unordered, align 4
   %iv.next = add nsw i32 %iv, -1
-  ; CHECK: %loopcond = icmp slt i64 %indvars.iv, 1
   %loopcond = icmp slt i32 %iv, 1
   br i1 %loopcond, label %loopexit, label %loop
 }
 
 define void @promote_latch_condition_decrementing_loop_02(i32* %p, i32* %a) {
-
 ; CHECK-LABEL: @promote_latch_condition_decrementing_loop_02(
-; CHECK-NOT:     trunc
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[P:%.*]], align 4, [[RNG0]]
+; CHECK-NEXT:    [[ZERO_CHECK:%.*]] = icmp eq i32 [[LEN]], 0
+; CHECK-NEXT:    br i1 [[ZERO_CHECK]], label [[LOOPEXIT:%.*]], label [[PREHEADER:%.*]]
+; CHECK:       preheader:
+; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[LEN]] to i64
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loopexit.loopexit:
+; CHECK-NEXT:    br label [[LOOPEXIT]]
+; CHECK:       loopexit:
+; CHECK-NEXT:    ret void
+; CHECK:       loop:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[TMP0]], [[PREHEADER]] ]
+; CHECK-NEXT:    [[EL:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    store atomic i32 0, i32* [[EL]] unordered, align 4
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nsw i64 [[INDVARS_IV]], -1
+; CHECK-NEXT:    [[LOOPCOND:%.*]] = icmp slt i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    br i1 [[LOOPCOND]], label [[LOOPEXIT_LOOPEXIT:%.*]], label [[LOOP]]
+;
 
 entry:
   %len = load i32, i32* %p, align 4, !range !0
@@ -149,20 +258,36 @@ loopexit:
 
 loop:
   %iv = phi i32 [ %iv.next, %loop ], [ %len, %preheader ]
-  ; CHECK: %indvars.iv = phi i64
   %iv.wide = zext i32 %iv to i64
   %el = getelementptr inbounds i32, i32* %a, i64 %iv.wide
   store atomic i32 0, i32* %el unordered, align 4
   %iv.next = add nsw i32 %iv, -1
-  ; CHECK: %loopcond = icmp slt i64 %indvars.iv, 1
   %loopcond = icmp slt i32 %iv, 1
   br i1 %loopcond, label %loopexit, label %loop
 }
 
 define void @promote_latch_condition_decrementing_loop_03(i32* %p, i32* %a) {
-
 ; CHECK-LABEL: @promote_latch_condition_decrementing_loop_03(
-; CHECK-NOT:     trunc
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[P:%.*]], align 4, [[RNG0]]
+; CHECK-NEXT:    [[ZERO_CHECK:%.*]] = icmp eq i32 [[LEN]], 0
+; CHECK-NEXT:    br i1 [[ZERO_CHECK]], label [[LOOPEXIT:%.*]], label [[PREHEADER:%.*]]
+; CHECK:       preheader:
+; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[LEN]] to i64
+; CHECK-NEXT:    [[TMP1:%.*]] = add nuw nsw i64 [[TMP0]], 1
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loopexit.loopexit:
+; CHECK-NEXT:    br label [[LOOPEXIT]]
+; CHECK:       loopexit:
+; CHECK-NEXT:    ret void
+; CHECK:       loop:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[TMP1]], [[PREHEADER]] ]
+; CHECK-NEXT:    [[EL:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    store atomic i32 0, i32* [[EL]] unordered, align 4
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nsw i64 [[INDVARS_IV]], -1
+; CHECK-NEXT:    [[LOOPCOND:%.*]] = icmp slt i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    br i1 [[LOOPCOND]], label [[LOOPEXIT_LOOPEXIT:%.*]], label [[LOOP]]
+;
 
 entry:
   %len = load i32, i32* %p, align 4, !range !0
@@ -178,20 +303,43 @@ loopexit:
 
 loop:
   %iv = phi i32 [ %iv.next, %loop ], [ %len.plus.1, %preheader ]
-  ; CHECK: %indvars.iv = phi i64
   %iv.wide = zext i32 %iv to i64
   %el = getelementptr inbounds i32, i32* %a, i64 %iv.wide
   store atomic i32 0, i32* %el unordered, align 4
   %iv.next = add nsw i32 %iv, -1
-  ; CHECK: %loopcond = icmp slt i64 %indvars.iv, 1
   %loopcond = icmp slt i32 %iv, 1
   br i1 %loopcond, label %loopexit, label %loop
 }
 
 define void @promote_latch_condition_decrementing_loop_04(i32* %p, i32* %a, i1 %cond) {
-
 ; CHECK-LABEL: @promote_latch_condition_decrementing_loop_04(
-; CHECK-NOT:     trunc
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[LEN:%.*]] = load i32, i32* [[P:%.*]], align 4, [[RNG0]]
+; CHECK-NEXT:    [[LEN_MINUS_1:%.*]] = add nsw i32 [[LEN]], -1
+; CHECK-NEXT:    br i1 [[COND:%.*]], label [[IF_TRUE:%.*]], label [[IF_FALSE:%.*]]
+; CHECK:       if.true:
+; CHECK-NEXT:    br label [[MERGE:%.*]]
+; CHECK:       if.false:
+; CHECK-NEXT:    br label [[MERGE]]
+; CHECK:       merge:
+; CHECK-NEXT:    [[IV_START:%.*]] = phi i32 [ [[LEN]], [[IF_TRUE]] ], [ [[LEN_MINUS_1]], [[IF_FALSE]] ]
+; CHECK-NEXT:    [[ZERO_CHECK:%.*]] = icmp eq i32 [[LEN]], 0
+; CHECK-NEXT:    br i1 [[ZERO_CHECK]], label [[LOOPEXIT:%.*]], label [[PREHEADER:%.*]]
+; CHECK:       preheader:
+; CHECK-NEXT:    [[TMP0:%.*]] = zext i32 [[IV_START]] to i64
+; CHECK-NEXT:    br label [[LOOP:%.*]]
+; CHECK:       loopexit.loopexit:
+; CHECK-NEXT:    br label [[LOOPEXIT]]
+; CHECK:       loopexit:
+; CHECK-NEXT:    ret void
+; CHECK:       loop:
+; CHECK-NEXT:    [[INDVARS_IV:%.*]] = phi i64 [ [[INDVARS_IV_NEXT:%.*]], [[LOOP]] ], [ [[TMP0]], [[PREHEADER]] ]
+; CHECK-NEXT:    [[EL:%.*]] = getelementptr inbounds i32, i32* [[A:%.*]], i64 [[INDVARS_IV]]
+; CHECK-NEXT:    store atomic i32 0, i32* [[EL]] unordered, align 4
+; CHECK-NEXT:    [[LOOPCOND:%.*]] = icmp slt i64 [[INDVARS_IV]], 1
+; CHECK-NEXT:    [[INDVARS_IV_NEXT]] = add nsw i64 [[INDVARS_IV]], -1
+; CHECK-NEXT:    br i1 [[LOOPCOND]], label [[LOOPEXIT_LOOPEXIT:%.*]], label [[LOOP]]
+;
 
 entry:
   %len = load i32, i32* %p, align 4, !range !0
@@ -217,12 +365,10 @@ loopexit:
 
 loop:
   %iv = phi i32 [ %iv.next, %loop ], [ %iv_start, %preheader ]
-  ; CHECK: %indvars.iv = phi i64
   %iv.wide = zext i32 %iv to i64
   %el = getelementptr inbounds i32, i32* %a, i64 %iv.wide
   store atomic i32 0, i32* %el unordered, align 4
   %iv.next = add nsw i32 %iv, -1
-  ; CHECK: %loopcond = icmp slt i64 %indvars.iv, 1
   %loopcond = icmp slt i32 %iv, 1
   br i1 %loopcond, label %loopexit, label %loop
 }


        


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