[all-commits] [llvm/llvm-project] e094c0: [SandboxVec][Legality] Don't vectorize when instru...

[vporpo via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e094c0fa677851786b7bdf53bedd11e0f4a59e35
      https://github.com/llvm/llvm-project/commit/e094c0fa677851786b7bdf53bedd11e0f4a59e35
  Author: vporpo <vporpodas at google.com>
  Date:   2025-01-29 (Wed, 29 Jan 2025)

  Changed paths:
    M llvm/include/llvm/Transforms/Vectorize/SandboxVectorizer/Legality.h
    M llvm/lib/Transforms/Vectorize/SandboxVectorizer/Legality.cpp
    A llvm/test/Transforms/SandboxVectorizer/repeated_instrs.ll
    M llvm/unittests/Transforms/Vectorize/SandboxVectorizer/LegalityTest.cpp

  Log Message:
  -----------
  [SandboxVec][Legality] Don't vectorize when instructions repeat (#124479)

This patch adds a legality check that checks for repeated instrs in a
bundle and won't vectorize if such pattern is found.



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