[PATCH] D112505: [X86] Add a dependency breaking xor before any gathers with an undef passthru value.

[Roman Lebedev via Phabricator via llvm-commits]

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

This seems reasonable to me.
It's not *required* for the CPU to handle zero-idioms at register rename stage,
but it is reasonable to expect that to be the case in most modern CPU's.


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D112505/new/

https://reviews.llvm.org/D112505