[PATCH] D23400: Implement Use-Define Chain.

[Vassil Vassilev via cfe-commits]

v.g.vassilev created this revision.
v.g.vassilev added subscribers: teemperor, dergachev.a, krememek, cfe-commits.
v.g.vassilev set the repository for this revision to rL LLVM.

As a result of a few internal discussions, I'd like to continue the work done in this ancient thread (http://lists.llvm.org/pipermail/cfe-dev/2009-September/006308.html) by Simone Pellegrini.

The current state of the patch is its latest revision from 2009. I will do the minimal changes to get it to compile. I'll try to address the comments that were not addressed. Once this is done, we can start a formal review procedure. I believe our suspicious clone detection infrastructure would benefit from the AST level Use-Define Chains. Also, a few SA passes could make use of this concept. 

Repository:
  rL LLVM

https://reviews.llvm.org/D23400

Files:
  include/clang/Analysis/DefUse.h
  lib/Analysis/CMakeLists.txt
  lib/Analysis/DefUse.cpp

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