[PATCH] D46421: [analyzer][CrossTU] Extend CTU to VarDecls with initializer

[Rafael Stahl via Phabricator via cfe-commits]

r.stahl created this revision.
r.stahl added reviewers: NoQ, dcoughlin, xazax.hun, george.karpenkov.
Herald added subscribers: cfe-commits, a.sidorin, rnkovacs, szepet.

The existing CTU mechanism imports FunctionDecls where the definition is available in another TU. This patch extends that to VarDecls, to bind more constants.

- Add VarDecl importing functionality to CrossTranslationUnitContext
- Import Decls while traversing them in AnalysisConsumer
- Add VarDecls to CTU external mappings generator


Repository:
  rC Clang

https://reviews.llvm.org/D46421

Files:
  include/clang/CrossTU/CrossTranslationUnit.h
  lib/CrossTU/CrossTranslationUnit.cpp
  lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp
  tools/clang-func-mapping/ClangFnMapGen.cpp

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