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| author | Chris Lattner <sabre@nondot.org> | 2003-11-04 23:21:22 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-11-04 23:21:22 +0000 |
| commit | f61641f7d4bf69e3df7c455d6afcd9c47b4c2cbb (patch) | |
| tree | bc4318aea050b0eb33d0409c437385fddaf06ecd /test | |
| parent | 4dad76cea0a85f62e016636b5b59d0bc4a7411dc (diff) | |
| download | external_llvm-f61641f7d4bf69e3df7c455d6afcd9c47b4c2cbb.zip external_llvm-f61641f7d4bf69e3df7c455d6afcd9c47b4c2cbb.tar.gz external_llvm-f61641f7d4bf69e3df7c455d6afcd9c47b4c2cbb.tar.bz2 | |
New testcase for masking operation that frequently occurs in the pool allocator
for converting a number that is a power of two into a mask
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9706 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/xor.ll | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/xor.ll b/test/Transforms/InstCombine/xor.ll index 6082e0c..0e6550c 100644 --- a/test/Transforms/InstCombine/xor.ll +++ b/test/Transforms/InstCombine/xor.ll @@ -98,3 +98,9 @@ bool %test14(ubyte %A, ubyte %B) { %E = xor bool %C, %D ; E = true ret bool %E } + +uint %test15(uint %A) { ; ~(X-1) == -X + %B = add uint %A, 4294967295 + %C = xor uint %B, 4294967295 + ret uint %C +} |