[PATCH] D59438: [AliasAnalysis] Use batch AA in AliasSetTracker.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea created this revision.
Herald added subscribers: jlebar, sanjoy.
Herald added a project: LLVM.

Make AliasSetTracker use an internal batch alias analysis.
With this patch, it is no longer correct to make IR changes and then add instructions to the AST.
The caching done in LICM is correct provided we create a new batch AA when reusing (moving) the AST from an inner loop (this is done with setAliasAnalysis).


Repository:
  rL LLVM

https://reviews.llvm.org/D59438

Files:
  include/llvm/Analysis/AliasSetTracker.h
  lib/Analysis/AliasSetTracker.cpp
  lib/Transforms/Scalar/LICM.cpp
  lib/Transforms/Scalar/LoopRerollPass.cpp

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