[all-commits] [llvm/llvm-project] 0c70a2: [SLP]Clear root node reordering only if the root n...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0c70a26f46e4efd5a29eb281ff99d2cf7f04c6f6
      https://github.com/llvm/llvm-project/commit/0c70a26f46e4efd5a29eb281ff99d2cf7f04c6f6
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-02-03 (Mon, 03 Feb 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/root-node-reordered-reused.ll

  Log Message:
  -----------
  [SLP]Clear root node reordering only if the root node is not re-used in graph

The reordering of the root node can be safely cleared only if the root
node is not reused, otherwise the graph might be broken

Fixes #125357



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