[PATCH] D83499: [MSAN runtime] Add poison_stack function that also updates origin

[Gui Andrade via Phabricator via llvm-commits]

guiand created this revision.
guiand added reviewers: eugenis, vitalybuka.
Herald added subscribers: llvm-commits, Sanitizers, hiraditya.
Herald added projects: Sanitizers, LLVM.

With eager-checks and msan-poison-stack-with-call enabled, this
saves ~1.5% instrumented binary size.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83499

Files:
  compiler-rt/lib/msan/msan_interceptors.cpp
  compiler-rt/lib/msan/msan_interface_internal.h
  llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
  llvm/test/Instrumentation/MemorySanitizer/alloca.ll

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