[all-commits] [llvm/llvm-project] 1f8255: [SLP]Fix mixing xor instructions in the same opcod...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1f82553e385f449efee92da3dca43facb4a1ee66
      https://github.com/llvm/llvm-project/commit/1f82553e385f449efee92da3dca43facb4a1ee66
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-09-29 (Mon, 29 Sep 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/xor-combined-opcode.ll

  Log Message:
  -----------
  [SLP]Fix mixing xor instructions in the same opcode analysis

Xor with 0 operand should not be compatible with multiplications-based
instructions, only with or/xor/add/sub.

Fixes #161140



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