[PATCH] D58858: [msan] Instrument x86 BMI intrinsics.

[Evgenii Stepanov via Phabricator via llvm-commits]

eugenis created this revision.
eugenis added reviewers: pcc, vitalybuka.
Herald added subscribers: Sanitizers, hiraditya.
Herald added projects: Sanitizers, LLVM.

They simply shuffle bits. MSan needs to do the same with shadow bits,
after making sure that the shuffle mask is fully initialized.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D58858

Files:
  compiler-rt/lib/msan/tests/msan_test.cc
  llvm/lib/Transforms/Instrumentation/MemorySanitizer.cpp
  llvm/test/Instrumentation/MemorySanitizer/bmi.ll

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