[PATCH] D44477: [LoopIdiom] Teach the loop idiom pass how to distinguish a memcpy from a memmove

[Daniel Neilson via Phabricator via llvm-commits]

dneilson created this revision.
dneilson added reviewers: bkramer, mcrosier, chandlerc.

This is a fix for PR25165 -- implementing basic memmove support in the
loop idiom recognizer.

Nothing fancy, just using alias analysis on memory locations to
distinguish the memcpy from the memmove case.


Repository:
  rL LLVM

https://reviews.llvm.org/D44477

Files:
  lib/Transforms/Scalar/LoopIdiomRecognize.cpp
  test/Transforms/LoopIdiom/basic-address-space.ll
  test/Transforms/LoopIdiom/basic.ll
  test/Transforms/LoopIdiom/memmove.ll

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