[all-commits] [llvm/llvm-project] 79a326: [hwasan] Remove memory attrs from instrumented fun...

[Evgenii Stepanov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 79a32609759af317a62184c2c7b1300263a336c8
      https://github.com/llvm/llvm-project/commit/79a32609759af317a62184c2c7b1300263a336c8
  Author: Evgenii Stepanov <eugeni.stepanov at gmail.com>
  Date:   2024-05-21 (Tue, 21 May 2024)

  Changed paths:
    M llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp
    A llvm/test/Instrumentation/HWAddressSanitizer/mem-attr.ll

  Log Message:
  -----------
  [hwasan] Remove memory attrs from instrumented functions. (#92974)

HWASan instrumentation makes writeonly attribute on function parameters,
as well as most memory(*) attributes invalid. This causes
miscompilations with LTO, when more optimizations are run after the
HWASan pass.



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