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| author | David Majnemer <david.majnemer@gmail.com> | 2013-06-29 23:44:53 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2013-06-29 23:44:53 +0000 |
| commit | 58b6dc032a668e637a9a9e63290652f32d372a5f (patch) | |
| tree | 85da3febc257d052ac3db7aaade17e71b867acd6 /lib/IR/ConstantFold.cpp | |
| parent | bebf6222f6b7cc871cfbc51f78cdb33d17fedb6c (diff) | |
| download | external_llvm-58b6dc032a668e637a9a9e63290652f32d372a5f.zip external_llvm-58b6dc032a668e637a9a9e63290652f32d372a5f.tar.gz external_llvm-58b6dc032a668e637a9a9e63290652f32d372a5f.tar.bz2 | |
ValueTracking: Teach isKnownToBeAPowerOfTwo about (ADD X, (XOR X, Y)) where X is a power of two
This allows us to simplify urem instructions involving the add+xor to
turn into simpler math.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@185272 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/IR/ConstantFold.cpp')
0 files changed, 0 insertions, 0 deletions