[all-commits] [llvm/llvm-project] 6e68fa: [SLP]Fix PR106909: add a check for unsafe FP opera...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 6e68fa921bb7bf5ceb0b5036bb7d71399d5c7906
      https://github.com/llvm/llvm-project/commit/6e68fa921bb7bf5ceb0b5036bb7d71399d5c7906
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-09-01 (Sun, 01 Sep 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/ARM/invalid-fp-operations.ll

  Log Message:
  -----------
  [SLP]Fix PR106909: add a check for unsafe FP operations.

NEON has non-IEEE compliant denormal flushing and the compiler should
check if it safe to vectorize instructions for NEON in non-fast math
mode.

Fixes https://github.com/llvm/llvm-project/issues/106909



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