[all-commits] [llvm/llvm-project] f0f8da: [SLP]Check if the first reduced value requires fre...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f0f8dab712967b8fca5fcca4d7338b1d25017634
      https://github.com/llvm/llvm-project/commit/f0f8dab712967b8fca5fcca4d7338b1d25017634
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-12-24 (Tue, 24 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/logical-ops-poisonous-repeated.ll

  Log Message:
  -----------
  [SLP]Check if the first reduced value requires freeze/swap, if it may be too poisonous

If several reduced values are combined and the first reduced value is
just the original reduced value of the bool logical op, need to freeze
it to prevent the propagation of the poison value.

Fixes #114905



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