[all-commits] [llvm/llvm-project] a1b189: [SLP]Fix incorrect shuffle results because of miss...

Alexey Bataev via All-commits all-commits at lists.llvm.org
Wed Jan 4 13:13:42 PST 2023


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a1b18946f9af130a14655721653beb4510fde9be
      https://github.com/llvm/llvm-project/commit/a1b18946f9af130a14655721653beb4510fde9be
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2023-01-04 (Wed, 04 Jan 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/peek-through-shuffle.ll

  Log Message:
  -----------
  [SLP]Fix incorrect shuffle results because of missing shuffle mask
analysis.

Missed the analysis of the shuffle mask when trying to analyze the
operands of the shuffle instruction during peeking through shuffle
instructions.




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