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| author | Craig Topper <craig.topper@gmail.com> | 2017-01-28 23:52:04 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-01-28 23:52:04 +0000 |
| commit | ed0ea561fbd00afd1478a85c2c04f1b76f201203 (patch) | |
| tree | 035fb95b3e45fac1aa6416d21668b7891104f577 /llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp | |
| parent | 9b8738d7c8ff00911b49eea1d4e527655dbc135f (diff) | |
| download | llvm-ed0ea561fbd00afd1478a85c2c04f1b76f201203.zip llvm-ed0ea561fbd00afd1478a85c2c04f1b76f201203.tar.gz llvm-ed0ea561fbd00afd1478a85c2c04f1b76f201203.tar.bz2 | |
[X86] Add test case that shows failure to use a vector ANDN when both inputs to the AND are XORs.
The matching code tries to canonicalize XOR to the left, but if there are two XORs and only one is a vnot, this canonicalization can prevent matching.
llvm-svn: 293402
Diffstat (limited to 'llvm/lib/CodeGen/MachineBlockFrequencyInfo.cpp')
0 files changed, 0 insertions, 0 deletions