[all-commits] [llvm/llvm-project] 4c47b4: [SLP]Allow matching and shuffling of extractelemen...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4c47b41771799cd630ee3e6b42593ac59d7593eb
      https://github.com/llvm/llvm-project/commit/4c47b41771799cd630ee3e6b42593ac59d7593eb
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-07-08 (Mon, 08 Jul 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/extractelement-single-use-many-nodes.ll
    M llvm/test/Transforms/SLPVectorizer/X86/extractlements-gathered-first-node.ll

  Log Message:
  -----------
  [SLP]Allow matching and shuffling of extractelement vector operands with different VF.

Allows better codegen with the free resizing of small VF vector operands
and then regular shuffling of the operands of the same size and
simplifies the code.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/97414



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