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| author | Roman Lebedev <lebedev.ri@gmail.com> | 2018-04-28 15:45:07 +0000 |
|---|---|---|
| committer | Roman Lebedev <lebedev.ri@gmail.com> | 2018-04-28 15:45:07 +0000 |
| commit | 136867931a31d092dbad84aedd8a67a21ddd34be (patch) | |
| tree | abf53d63ecb499c2592a5802c0aca16a56e831f4 /llvm/lib/Support/LockFileManager.cpp | |
| parent | 6b1e66b188a6da71d18761791906b97135599742 (diff) | |
| download | llvm-136867931a31d092dbad84aedd8a67a21ddd34be.zip llvm-136867931a31d092dbad84aedd8a67a21ddd34be.tar.gz llvm-136867931a31d092dbad84aedd8a67a21ddd34be.tar.bz2 | |
[InstCombine] Canonicalize variable mask in masked merge
Summary:
Masked merge has a pattern of: `((x ^ y) & M) ^ y`.
But, there is no difference between `((x ^ y) & M) ^ y` and `((x ^ y) & ~M) ^ x`,
We should canonicalize the pattern to non-inverted mask.
https://rise4fun.com/Alive/Yol
Reviewers: spatel, craig.topper
Reviewed By: spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D45664
llvm-svn: 331112
Diffstat (limited to 'llvm/lib/Support/LockFileManager.cpp')
0 files changed, 0 insertions, 0 deletions