[PATCH] D147020: [AA] Add a tbaa-fence intrinsic.

[David Goldblatt via Phabricator via llvm-commits]

davidtgoldblatt updated this revision to Diff 510981.
davidtgoldblatt added a comment.

Rewrite the LangRef entry. This makes the operation of the fence clearer (it doesn't really change the behavior of TBAA at all; instead it just prevents any other optimization pass from being able to make use of TBAA for the given pointer).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147020/new/

https://reviews.llvm.org/D147020

Files:
  llvm/docs/LangRef.rst
  llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
  llvm/include/llvm/IR/Intrinsics.td
  llvm/lib/CodeGen/CodeGenPrepare.cpp
  llvm/lib/CodeGen/IntrinsicLowering.cpp
  llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/test/Analysis/TypeBasedAliasAnalysis/tbaa-fence.ll
  llvm/test/CodeGen/Generic/tbaa-fence.ll

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