[PATCH] D109726: [X86] Improve `matchBinaryShuffle()`'s `BLEND` lowering with per-element all-zero/all-ones knowledge

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Why couldn't this be put in more generic ISD::OR combines somewhere? Possibly TargetLowering::SimplifyDemandedVectorElts?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D109726/new/

https://reviews.llvm.org/D109726