[PATCH] D21165: Disable MSan-hostile loop unswitching.

[Evgeniy Stepanov via llvm-commits]

eugenis updated this revision to Diff 60295.
eugenis added a comment.

I've updated the bug with a better description of the problem and possible solutions.
I've added a comment to LoopUnswitch.

It looks like this CL is the only way of fixing this problem quickly. The sanitizer-x86_64-bootstrap bot is currently broken due to this, so I'd like to go ahead and commit this change.


Repository:
  rL LLVM

http://reviews.llvm.org/D21165

Files:
  include/llvm/Transforms/Utils/LoopUtils.h
  lib/Transforms/Scalar/LICM.cpp
  lib/Transforms/Scalar/LoopUnswitch.cpp
  test/Transforms/LoopUnswitch/msan.ll

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