[all-commits] [llvm/llvm-project] 2271f0: [SLP]Check for perfect/shuffled match for the spli...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2271f0bebd48c9ed8b16b500886a819c4f269a6a
      https://github.com/llvm/llvm-project/commit/2271f0bebd48c9ed8b16b500886a819c4f269a6a
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-04-15 (Tue, 15 Apr 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/split-node-full-match.ll
    M llvm/test/Transforms/SLPVectorizer/X86/split-node-no-reorder-copy.ll

  Log Message:
  -----------
  [SLP]Check for perfect/shuffled match for the split node

If the potential split node is a perfect/shuffled match of another split
node, need to skip creation of the another split node with the same
scalars, it should be a buildvector.

Fixes #135800



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