[all-commits] [llvm/llvm-project] 54d9d4: [SLP]Check if the non-schedulable phi parent node ...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 54d9d4d8683221776928a8aaf3dca3b36f2b879b
      https://github.com/llvm/llvm-project/commit/54d9d4d8683221776928a8aaf3dca3b36f2b879b
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-11-20 (Thu, 20 Nov 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/commutable-node-with-non-sched-parent.ll

  Log Message:
  -----------
  [SLP]Check if the non-schedulable phi parent node has unique operands

Need to check if the non-schedulable phi parent node has unique
operands, if the incoming node has copyables, and the node is
commutative. Otherwise, there might be issues with the correct
calculation of the dependencies.

Fixes #168589



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