[PATCH] D108199: [msan] Add support for disable_sanitizer_instrumentation attribute

[Alexander Potapenko via Phabricator via cfe-commits]

glider created this revision.
glider added reviewers: eugenis, melver.
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Unlike __attribute__((no_sanitize("memory"))), this one will cause MSan
to skip the entire function during instrumentation.

Depends on https://reviews.llvm.org/D108029


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108199

Files:
  clang/docs/MemorySanitizer.rst
  clang/test/CodeGen/sanitize-memory-disable.c
  llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp

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