[all-commits] [llvm/llvm-project] 9402bb: [SLP]Do not count extractelement costs in unreacha...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9402bb090824312882d47c8e52a1b1aeacbcfd3c
      https://github.com/llvm/llvm-project/commit/9402bb090824312882d47c8e52a1b1aeacbcfd3c
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-08-22 (Thu, 22 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/same-scalar-in-same-phi-extract.ll

  Log Message:
  -----------
  [SLP]Do not count extractelement costs in unreachable/landing pad blocks.

If the external user of the scalar to be extract is in
unreachable/landing pad block, we can skip counting their cost.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/105667



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