[PATCH] D83155: [X86] Disable VPBLENDVB formation in combineLogicBlendIntoPBLENDV if VPTERNLOG is supported.

[Craig Topper via Phabricator via llvm-commits]

craig.topper created this revision.
craig.topper added reviewers: RKSimon, spatel.
Herald added a subscriber: hiraditya.
Herald added a project: LLVM.

VPBLENDVB is multiple uops while VPTERNLOG is a single uop. So
we should use that instead.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83155

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/vselect-packss.ll

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