[all-commits] [llvm/llvm-project] bb82c7: [SLP] Enable optimization of freeze instructions (...

[John McIver via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: bb82c79d3b6b3c062890c2cb01fcb183d4f50d27
      https://github.com/llvm/llvm-project/commit/bb82c79d3b6b3c062890c2cb01fcb183d4f50d27
  Author: John McIver <john.mciver.iii at gmail.com>
  Date:   2024-08-07 (Wed, 07 Aug 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/addsub.ll
    M llvm/test/Transforms/SLPVectorizer/X86/fmuladd.ll

  Log Message:
  -----------
  [SLP] Enable optimization of freeze instructions (#102217)

Allow SLP optimization to progress in the presence of freeze
instructions. Prior
to this commit, freeze instructions blocked SLP optimization.
    
The following URL shows correctness of the addsub_freeze test:
https://alive2.llvm.org/ce/z/qm38oh



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