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5 Commits

Author SHA1 Message Date
Ted Kremenek 81ce1c8a99 Rename AnalysisContext to AnalysisDeclContext. Not only is this name more accurate, but it frees up the name AnalysisContext for other uses. 
llvm-svn: 142782
 2011-10-24 01:32:45 +00:00
Richard Smith caf3390d44 Constant expression evaluation refactoring: 
- Remodel Expr::EvaluateAsInt to behave like the other EvaluateAs* functions,
   and add Expr::EvaluateKnownConstInt to capture the current fold-or-assert
   behaviour.
 - Factor out evaluation of bitfield bit widths.
 - Fix a few places which would evaluate an expression twice: once to determine
   whether it is a constant expression, then again to get the value.

llvm-svn: 141561
 2011-10-10 18:28:20 +00:00
Anna Zaks 0070c6d4db Fix a crash in MallocOverflowSecurityChecker. Patch by Lei Zhang. 
llvm-svn: 140648
 2011-09-27 22:25:01 +00:00
Anna Zaks c29bed3989 [analyzer] Refactor PathDiagnosticLocation: Make PathDiagnosticLocation(SourceLocation...) private. Most of the effort here goes to making BugReport refer to a PathDiagnosticLocation instead of FullSourceLocation. 
(Another step closer to the goal of having Diagnostics which can recover from invalid SourceLocations.)

llvm-svn: 140182
 2011-09-20 21:38:35 +00:00
Ted Kremenek 1c2fb270ce [analyzer] Introduce MallocOverflowSecurityChecker, a simple flow-sensitive checker that may be useful for security auditing. This checker is currently too noisy to be on by default. 
llvm-svn: 136804
 2011-08-03 20:17:43 +00:00