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[Analysis] Refine matching and merging of TBAA tags
authorIvan A. Kosarev <ikosarev@accesssoftek.com>
Fri, 3 Nov 2017 10:26:25 +0000 (10:26 +0000)
committerIvan A. Kosarev <ikosarev@accesssoftek.com>
Fri, 3 Nov 2017 10:26:25 +0000 (10:26 +0000)
commit74ecc3ab6b5c584d09919664232287258270e39b
tree4bf1c6d981edd44db2795f241e7744631de5306d
parentba9125e489dab87e4706bef3408a943967e86415
[Analysis] Refine matching and merging of TBAA tags

This patch combines the code that matches and merges TBAA access
tags. The aim is to simplify future changes and making sure that
these operations produce consistent results.

Differential Revision: https://reviews.llvm.org/D39463

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@317311 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/TypeBasedAliasAnalysis.cpp