[PATCH] D60617: MSan: handle llvm.lifetime.start intrinsic

[Alexander Potapenko via Phabricator via llvm-commits]

glider updated this revision to Diff 195348.
glider added a comment.

Added a test containing an intrinsic without a known alloca.
Handled this case by falling back to instrumenting only allocas.
Added a flag to disable llvm.lifetime.start handling.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D60617/new/

https://reviews.llvm.org/D60617

Files:
  llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
  llvm/test/Instrumentation/MemorySanitizer/alloca.ll

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