diff options
Diffstat (limited to 'llvm/test/Transforms/InstSimplify/dead-code-removal.ll')
| -rw-r--r-- | llvm/test/Transforms/InstSimplify/dead-code-removal.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstSimplify/dead-code-removal.ll b/llvm/test/Transforms/InstSimplify/dead-code-removal.ll new file mode 100644 index 00000000000..e181f3b60d5 --- /dev/null +++ b/llvm/test/Transforms/InstSimplify/dead-code-removal.ll @@ -0,0 +1,15 @@ +; RUN: opt -instsimplify -S < %s | FileCheck %s + +define void @foo() nounwind { + br i1 undef, label %1, label %4 + +; <label>:1 ; preds = %1, %0 +; CHECK-NOT: phi +; CHECK-NOT: sub + %2 = phi i32 [ %3, %1 ], [ undef, %0 ] + %3 = sub i32 0, undef + br label %1 + +; <label>:4 ; preds = %0 + ret void +} |
