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Commit 6393afce authored by Craig Topper's avatar Craig Topper
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[AVX-512] Add patterns to use a zero masked VPTERNLOG instruction for vselects... 

[AVX-512] Add patterns to use a zero masked VPTERNLOG instruction for vselects of all ones and all zeros.

Previously we emitted a VPTERNLOG and a separate masked move.

llvm-svn: 291415
parent 3e649039
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