[cfe-commits] r50499 - /cfe/trunk/lib/Analysis/GRExprEngine.cpp

[Ted Kremenek]

Author: kremenek
Date: Wed Apr 30 16:31:12 2008
New Revision: 50499

URL: http://llvm.org/viewvc/llvm-project?rev=50499&view=rev
Log:
Provide SizeOfAlignTypeExpr workaround in the static analyzer for taking the sizeof of a ObjCInterfaceType.

Modified:
    cfe/trunk/lib/Analysis/GRExprEngine.cpp

Modified: cfe/trunk/lib/Analysis/GRExprEngine.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/GRExprEngine.cpp?rev=50499&r1=50498&r2=50499&view=diff

==============================================================================
--- cfe/trunk/lib/Analysis/GRExprEngine.cpp (original)
+++ cfe/trunk/lib/Analysis/GRExprEngine.cpp Wed Apr 30 16:31:12 2008
@@ -1432,6 +1432,12 @@
     if (!T.getTypePtr()->isConstantSizeType())
       return;
     
+    // Some code tries to take the sizeof an ObjCInterfaceType, relying that
+    // the compiler has laid out its representation.  Just report Unknown
+    // for these.
+    if (T->isObjCInterfaceType())
+      return;
+    
     amt = 1;  // Handle sizeof(void)
     
     if (T != getContext().VoidTy)