[all-commits] [llvm/llvm-project] 21b849: [msan] Don't crash in CreateShadowCast on vscale (...

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 21b84928f99169a5679c9195c2307c2dd4c8f1fd
      https://github.com/llvm/llvm-project/commit/21b84928f99169a5679c9195c2307c2dd4c8f1fd
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2024-04-25 (Thu, 25 Apr 2024)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
    A llvm/test/Instrumentation/MemorySanitizer/vscale.ll

  Log Message:
  -----------
  [msan] Don't crash in CreateShadowCast on vscale (#90126)

Code expects `VectorOrPrimitiveTypeSizeInBits` compile time value,
which is not available for vscale.
    
In trivial case of the same type we need to do nothing.



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