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| author | Michael Liao <michael.liao@intel.com> | 2013-04-11 05:15:54 +0000 |
|---|---|---|
| committer | Michael Liao <michael.liao@intel.com> | 2013-04-11 05:15:54 +0000 |
| commit | 55658d42228e8dbfa8d74d1b37e330aaee284c00 (patch) | |
| tree | 248bdaeb5819f711d4e863163bd0ca50a34003b2 /llvm/lib/Object/Object.cpp | |
| parent | 95d9440348a8437fb792052a2238d972bf884bda (diff) | |
| download | llvm-55658d42228e8dbfa8d74d1b37e330aaee284c00.zip llvm-55658d42228e8dbfa8d74d1b37e330aaee284c00.tar.gz llvm-55658d42228e8dbfa8d74d1b37e330aaee284c00.tar.bz2 | |
Optimize vector select from all 0s or all 1s
As packed comparisons in AVX/SSE produce all 0s or all 1s in each SIMD lane,
vector select could be simplified to AND/OR or removed if one or both values
being selected is all 0s or all 1s.
llvm-svn: 179267
Diffstat (limited to 'llvm/lib/Object/Object.cpp')
0 files changed, 0 insertions, 0 deletions