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Diffstat (limited to 'test/Transforms/LoopStrengthReduce/pr2537.ll')
| -rw-r--r-- | test/Transforms/LoopStrengthReduce/pr2537.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/pr2537.ll b/test/Transforms/LoopStrengthReduce/pr2537.ll new file mode 100644 index 0000000..73c3152 --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/pr2537.ll @@ -0,0 +1,21 @@ +; RUN: opt < %s -loop-reduce -disable-output +; PR 2537 + +define void @a() { +entry: + br label %dobody + +dobody: ; preds = %dobody, %entry + %y.0 = phi i128 [ 0, %entry ], [ %add, %dobody ] + %x.0 = phi i128 [ 0, %entry ], [ %add2, %dobody ] + %add = add i128 %y.0, shl (i128 1, i128 64) + %add2 = add i128 %x.0, shl (i128 1, i128 48) + call void @b( i128 %add ) + %cmp = icmp ult i128 %add2, shl (i128 1, i128 64) + br i1 %cmp, label %dobody, label %afterdo + +afterdo: ; preds = %dobody + ret void +} + +declare void @b(i128 %add)
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