diff options
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/bitreverse-fold.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/bitreverse-fold.ll b/llvm/test/Transforms/InstCombine/bitreverse-fold.ll new file mode 100644 index 00000000000..ad7fc3a7464 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/bitreverse-fold.ll @@ -0,0 +1,11 @@ +; RUN: opt < %s -instcombine -S | FileCheck %s + +define i32 @test1(i32 %p) { +; CHECK-LABEL: @test1 +; CHECK-NEXT: ret i32 %p + %a = call i32 @llvm.bitreverse.i32(i32 %p) + %b = call i32 @llvm.bitreverse.i32(i32 %a) + ret i32 %b +} + +declare i32 @llvm.bitreverse.i32(i32) readnone |
