[all-commits] [llvm/llvm-project] 418a98: [SLP]Do not use node, if it is a subvector or buil...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 418a9872851ef5342b29baa36dd672129f129953
      https://github.com/llvm/llvm-project/commit/418a9872851ef5342b29baa36dd672129f129953
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-02-26 (Wed, 26 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/buildvector-reused-with-bv-subvector.ll

  Log Message:
  -----------
  [SLP]Do not use node, if it is a subvector or buildvector node

If the buildvector has some matches with another node, which is
a subvector of another buildvector node, need to check for this and
cancel matching to avoid incorrect ordering of the nodes.

Fixes #128770



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