[PATCH] D51152: [NFC] Unify guards detection

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev created this revision.
mkazantsev added a reviewer: reames.

We have multiple places in code where we try to identify whether or not
some instruction is a guard. This patch factors out this logic into a separate
utility function which works uniformly in all places.


https://reviews.llvm.org/D51152

Files:
  include/llvm/Transforms/Utils/GuardUtils.h
  lib/Analysis/AliasSetTracker.cpp
  lib/Analysis/ValueTracking.cpp
  lib/Transforms/Scalar/EarlyCSE.cpp
  lib/Transforms/Scalar/GuardWidening.cpp
  lib/Transforms/Scalar/JumpThreading.cpp
  lib/Transforms/Scalar/LICM.cpp
  lib/Transforms/Scalar/LowerGuardIntrinsic.cpp
  lib/Transforms/Utils/GuardUtils.cpp

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