[PATCH] D134463: [AMDGPU] Use V_PERM to match buildvectors when inputs are not canonicalized (i.e. can't use V_PACK)

[Jeffrey Byrnes via Phabricator via llvm-commits]

jrbyrnes added a comment.

> One small point in favor of BFI is the bitmask you need is more likely CSEable for unrelated uses

Thanks, good point. Changed the pattern in favor of BFI.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D134463/new/

https://reviews.llvm.org/D134463