diff options
Diffstat (limited to 'test/Transforms/LoopStrengthReduce')
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll | 2 | ||||
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/pr12691.ll | 34 |
2 files changed, 35 insertions, 1 deletions
diff --git a/test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll b/test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll index 2dcaab8..ed32ca8 100644 --- a/test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll +++ b/test/Transforms/LoopStrengthReduce/X86/2012-01-13-phielim.ll @@ -61,7 +61,7 @@ exit: ; preds = %cond.true29.i, %cond.true.i ; CHECK: @test2 ; CHECK: %entry ; CHECK-NOT: mov -; CHECK: jne +; CHECK: je define void @test2(i32 %n) nounwind uwtable { entry: br i1 undef, label %while.end, label %for.cond468 diff --git a/test/Transforms/LoopStrengthReduce/pr12691.ll b/test/Transforms/LoopStrengthReduce/pr12691.ll new file mode 100644 index 0000000..8399434 --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/pr12691.ll @@ -0,0 +1,34 @@ +; RUN: opt < %s -loop-reduce -S | FileCheck %s + +@d = common global i32 0, align 4 + +define void @fn2(i32 %x) nounwind uwtable { +entry: + br label %for.cond + +for.cond: + %g.0 = phi i32 [ 0, %entry ], [ %dec, %for.cond ] + %tobool = icmp eq i32 %x, 0 + %dec = add nsw i32 %g.0, -1 + br i1 %tobool, label %for.cond, label %for.end + +for.end: +; CHECK: %tmp1 = load i32* @d, align 4 +; CHECK-NEXT: %tmp2 = load i32* @d, align 4 +; CHECK-NEXT: %0 = sub i32 %tmp1, %tmp2 + + %tmp1 = load i32* @d, align 4 + %add = add nsw i32 %tmp1, %g.0 + %tmp2 = load i32* @d, align 4 + %tobool26 = icmp eq i32 %x, 0 + br i1 %tobool26, label %for.end5, label %for.body.lr.ph + +for.body.lr.ph: + %tobool3 = icmp ne i32 %tmp2, %add + br label %for.end5 + +for.end5: + ret void +} + + |
