[PATCH] D55147: Exclude non-integral pointers in isBytewiseValue

[Cherry Zhang via Phabricator via llvm-commits]

cherry created this revision.
cherry added a reviewer: thanm.
Herald added a subscriber: llvm-commits.

Technically, non-integral pointers "have an unspecified bitwise
representation", so they are not bytewise values. In particular,
don't use memset on those values.


Repository:
  rL LLVM

https://reviews.llvm.org/D55147

Files:
  include/llvm/Analysis/ValueTracking.h
  lib/Analysis/ValueTracking.cpp
  lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  lib/Transforms/Scalar/MemCpyOptimizer.cpp
  test/Transforms/MemCpyOpt/non-integral-ptr.ll
  unittests/Analysis/ValueTrackingTest.cpp

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