[cfe-commits] r46883 - /cfe/trunk/Analysis/RValues.cpp

[Ted Kremenek]

Author: kremenek
Date: Fri Feb  8 01:14:58 2008
New Revision: 46883

URL: http://llvm.org/viewvc/llvm-project?rev=46883&view=rev
Log:
Implemented transfer functions for "<<" and ">>" when the RValues are
ConcreteInts.

Modified:
    cfe/trunk/Analysis/RValues.cpp

Modified: cfe/trunk/Analysis/RValues.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Analysis/RValues.cpp?rev=46883&r1=46882&r2=46883&view=diff

==============================================================================
--- cfe/trunk/Analysis/RValues.cpp (original)
+++ cfe/trunk/Analysis/RValues.cpp Fri Feb  8 01:14:58 2008
@@ -211,13 +211,11 @@
     case BinaryOperator::Sub:
       return ValMgr.getValue( V1 - V2 );
 
-#if 0
     case BinaryOperator::Shl:
-      return ValMgr.getValue( V1 << V2 );
+      return ValMgr.getValue( V1.operator<<( (unsigned) V2.getZExtValue() ));
       
     case BinaryOperator::Shr:
-      return ValMgr.getValue( V1 >> V2 );
-#endif     
+      return ValMgr.getValue( V1.operator>>( (unsigned) V2.getZExtValue() ));
     
     case BinaryOperator::LT:
       return ValMgr.getTruthValue( V1 < V2 );