diff options
| author | Nick Lewycky <nicholas@mxc.ca> | 2008-07-10 05:51:40 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2008-07-10 05:51:40 +0000 |
| commit | 6193a564ab908ec828c8f1e4747e34b5b4508a24 (patch) | |
| tree | a019fdcc586b3de4364687fa8c46be06e9154d6a /llvm/test/Transforms | |
| parent | cfba0fade86c3be04ea06afa4969c2bbc24951a4 (diff) | |
| download | bcm5719-llvm-6193a564ab908ec828c8f1e4747e34b5b4508a24.tar.gz bcm5719-llvm-6193a564ab908ec828c8f1e4747e34b5b4508a24.zip | |
Fix overzealous optimization. Thanks to Duncan Sands for pointing out my error!
llvm-svn: 53393
Diffstat (limited to 'llvm/test/Transforms')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/2008-07-09-SubAndError.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/2008-07-09-SubAndError.ll b/llvm/test/Transforms/InstCombine/2008-07-09-SubAndError.ll new file mode 100644 index 00000000000..c5b93586ba3 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/2008-07-09-SubAndError.ll @@ -0,0 +1,9 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep {sub i32 0} +; PR2330 + +define i32 @foo(i32 %a) nounwind { +entry: + %A = sub i32 5, %a + %B = and i32 %A, 2 + ret i32 %B +} |
