Author: kremenek
Date: Sat Nov 1 19:35:25 2008
New Revision: 58553
URL: http://llvm.org/viewvc/llvm-project?rev=58553&view=rev
Log:
Enhance return-of-stack-address checker to recognize regions created by
alloca().
Modified:
cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp
Modified: cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp
URL:
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp?rev=58553&r1=58552&r2=58553&view=diff
==============================================================================
--- cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp (original)
+++ cfe/trunk/lib/Analysis/GRExprEngineInternalChecks.cpp Sat Nov 1 19:35:25
2008
@@ -216,6 +216,15 @@
R = CL->getSourceRange();
}
+ else if (const AllocaRegion* AR = dyn_cast<AllocaRegion>(V.getRegion()))
{
+ const Expr* ARE = AR->getExpr();
+ SourceLocation L = ARE->getLocStart();
+ R = ARE->getSourceRange();
+
+ os << "Address of stack memory allocated by call to alloca() on line "
+ << BR.getSourceManager().getLogicalLineNumber(L)
+ << " returned.";
+ }
else {
os << "Address of stack memory associated with local variable '"
<< V.getRegion()->getString() << "' returned.";
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