[PATCH] D37286: [AVX512] Correct isel patterns to support selecting masked vbroadcastf32x2/vbroadcasti32x2

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Aug 30 00:45:07 PDT 2017


craig.topper added a comment.

movddup won't allow the mask to fold. shufps would allow the masking to fold. The only annoying thing is that we can't fold the 64-bit load with shufps.


https://reviews.llvm.org/D37286





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