[PATCH] D109989: [X86] Improve i8 all-ones element insertion in pre-SSE4.1

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri created this revision.
lebedev.ri added a reviewer: RKSimon.
lebedev.ri added a project: LLVM.
Herald added subscribers: pengfei, hiraditya.
lebedev.ri requested review of this revision.

Should avoid some regressions in D109065 <https://reviews.llvm.org/D109065>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D109989

Files:
  llvm/lib/Target/X86/X86ISelLowering.cpp
  llvm/test/CodeGen/X86/insertelement-ones.ll

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