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| author | Chris Lattner <sabre@nondot.org> | 2006-05-10 18:56:04 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-05-10 18:56:04 +0000 |
| commit | 99266d81a2a1fddd8c8587367b9ba83cf7e02efe (patch) | |
| tree | 0bc462cc2e0cd564a84de116070c6a52b96a39db /test/Transforms/InstCombine/deadcode.ll | |
| parent | 3e6a35076ed072525d3eda1945033863b613aef8 (diff) | |
| download | llvm-99266d81a2a1fddd8c8587367b9ba83cf7e02efe.tar.gz llvm-99266d81a2a1fddd8c8587367b9ba83cf7e02efe.tar.bz2 llvm-99266d81a2a1fddd8c8587367b9ba83cf7e02efe.tar.xz | |
New testcase, check that dead code doesn't pessimize instcombine
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28214 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/deadcode.ll')
| -rw-r--r-- | test/Transforms/InstCombine/deadcode.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/deadcode.ll b/test/Transforms/InstCombine/deadcode.ll new file mode 100644 index 0000000000..e738576f5f --- /dev/null +++ b/test/Transforms/InstCombine/deadcode.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'ret int %A' + +int %test(int %A) { + %X = or bool false, false + br bool %X, label %T, label %C +T: + %B = add int %A, 1 + br label %C +C: + %C = phi int [%B, %T], [%A, %0] + ret int %C +} |