[PATCH] D42437: X86: Update isVectorShiftByScalarCheap with cases covered by AVX512BW

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM - I've regenerated x86-shuffle-sink.ll so you'll need to rebase.


Repository:
  rL LLVM

https://reviews.llvm.org/D42437