[PATCH] D123250: [TBAA] Improve the interface of TBAA.h to enable code reuse.

[Joshua Cranmer via Phabricator via llvm-commits]

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One of the important reuses here is isStructPathTBAA, which I've seen copied
around in a few too many contexts before. However, I think most of the people
using that function really want it to mean "is this valid as an access tag"
which works for old-struct-path, but not new-struct-path TBAA.

Depends on D123249 <https://reviews.llvm.org/D123249>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D123250

Files:
  llvm/include/llvm/IR/TBAA.h
  llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp
  llvm/lib/IR/Verifier.cpp

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