[PATCH] D129207: [X86] isTargetShuffleEquivalent - attempt to match SM_SentinelZero shuffle mask elements using known bits

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D129207#3638694 <https://reviews.llvm.org/D129207#3638694>, @deadalnix wrote:

> I'm going to be honest here, I'm not sure I understand this fully, so I don't feel confident to accept.

np - thanks for taking a look!


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D129207/new/

https://reviews.llvm.org/D129207