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| author | Ted Kremenek <kremenek@apple.com> | 2012-07-02 20:21:52 +0000 |
|---|---|---|
| committer | Ted Kremenek <kremenek@apple.com> | 2012-07-02 20:21:52 +0000 |
| commit | de21a1c964a0afc9846baeca4b1cb1c85d223708 (patch) | |
| tree | 859939fcd767602985b4227e4490c9c18c81739f /clang/lib/StaticAnalyzer/Frontend | |
| parent | 146ef384da1428eaab5c0979418aa0daef3ed45e (diff) | |
| download | bcm5719-llvm-de21a1c964a0afc9846baeca4b1cb1c85d223708.tar.gz bcm5719-llvm-de21a1c964a0afc9846baeca4b1cb1c85d223708.zip | |
Bail out the LiveVariables analysis when the CFG is very large, as
we are encountering some scalability issues with memory usage. The
appropriate long term fix is to make the analysis more scalable, but
this will at least prevent the analyzer swapping when
analyzing very large functions.
llvm-svn: 159578
Diffstat (limited to 'clang/lib/StaticAnalyzer/Frontend')
| -rw-r--r-- | clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp index 05fb0155f13..520a975bda5 100644 --- a/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp +++ b/clang/lib/StaticAnalyzer/Frontend/AnalysisConsumer.cpp @@ -523,6 +523,10 @@ void AnalysisConsumer::ActionExprEngine(Decl *D, bool ObjCGCEnabled, if (!Mgr->getCFG(D)) return; + // See if the LiveVariables analysis scales. + if (!Mgr->getAnalysisDeclContext(D)->getAnalysis<RelaxedLiveVariables>()) + return; + ExprEngine Eng(*Mgr, ObjCGCEnabled, VisitedCallees, &FunctionSummaries); // Set the graph auditor. |
