[all-commits] [llvm/llvm-project] 9324e1: [InstCombineVectorOps] Use poison instead of undef...

[Nuno Lopes via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9324e1be07f3cd99a8714df227640c34e0ba5994
      https://github.com/llvm/llvm-project/commit/9324e1be07f3cd99a8714df227640c34e0ba5994
  Author: Nuno Lopes <nuno.lopes at tecnico.ulisboa.pt>
  Date:   2023-07-20 (Thu, 20 Jul 2023)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp

  Log Message:
  -----------
  [InstCombineVectorOps] Use poison instead of undef as placeholder [NFC]
Undef was being used to populate unused vector lanes.
While at it, switch extractelement to use poison as the OOB value (per LangRef)