[all-commits] [llvm/llvm-project] e664de: [SLP]Fix write-after-bounds.

Andrew V. Tischenko via All-commits all-commits at lists.llvm.org
Wed Sep 21 08:01:00 PDT 2022


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e664dea1821ab1277e62f0b4074fb02867636e6e
      https://github.com/llvm/llvm-project/commit/e664dea1821ab1277e62f0b4074fb02867636e6e
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2022-09-21 (Wed, 21 Sep 2022)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/buildvector-insert-mask-size.ll

  Log Message:
  -----------
  [SLP]Fix write-after-bounds.

Mask might be larger than the NumElts-OffsetBeg, need to use actual
indices to avoid acces out of bounds.




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