[cfe-commits] r46708 - in /cfe/trunk/Analysis: GRConstants.cpp RValues.cpp RValues.h

[Ted Kremenek]

Author: kremenek
Date: Mon Feb  4 10:58:30 2008
New Revision: 46708

URL: http://llvm.org/viewvc/llvm-project?rev=46708&view=rev
Log:
Implemented transfer function for unary '~'.

Modified:
    cfe/trunk/Analysis/GRConstants.cpp
    cfe/trunk/Analysis/RValues.cpp
    cfe/trunk/Analysis/RValues.h

Modified: cfe/trunk/Analysis/GRConstants.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Analysis/GRConstants.cpp?rev=46708&r1=46707&r2=46708&view=diff

==============================================================================
--- cfe/trunk/Analysis/GRConstants.cpp (original)
+++ cfe/trunk/Analysis/GRConstants.cpp Mon Feb  4 10:58:30 2008
@@ -561,6 +561,12 @@
         break;
       }
         
+      case UnaryOperator::Not: {
+        const NonLValue& R1 = cast<NonLValue>(GetValue(St, U->getSubExpr()));
+        Nodify(Dst, U, N1, SetValue(St, U, R1.BitwiseComplement(ValMgr)));
+        break;
+      }
+        
       case UnaryOperator::AddrOf: {
         const LValue& L1 = GetLValue(St, U->getSubExpr());
         Nodify(Dst, U, N1, SetValue(St, U, L1));

Modified: cfe/trunk/Analysis/RValues.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Analysis/RValues.cpp?rev=46708&r1=46707&r2=46708&view=diff

==============================================================================
--- cfe/trunk/Analysis/RValues.cpp (original)
+++ cfe/trunk/Analysis/RValues.cpp Mon Feb  4 10:58:30 2008
@@ -138,6 +138,16 @@
   }
 }
 
+NonLValue NonLValue::BitwiseComplement(ValueManager& ValMgr) const {
+  switch (getSubKind()) {
+    case ConcreteIntKind:
+      return cast<ConcreteInt>(this)->BitwiseComplement(ValMgr);
+    default:
+      return cast<NonLValue>(InvalidValue());
+  }
+}
+
+
 #define NONLVALUE_DISPATCH_CASE(k1,k2,Op)\
 case (k1##Kind*NumNonLValueKind+k2##Kind):\
 return cast<k1>(*this).Op(ValMgr,cast<k2>(RHS));

Modified: cfe/trunk/Analysis/RValues.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/Analysis/RValues.h?rev=46708&r1=46707&r2=46708&view=diff

==============================================================================
--- cfe/trunk/Analysis/RValues.h (original)
+++ cfe/trunk/Analysis/RValues.h Mon Feb  4 10:58:30 2008
@@ -196,6 +196,7 @@
   NonLValue Div(ValueManager& ValMgr, const NonLValue& RHS) const;
   NonLValue Rem(ValueManager& ValMgr, const NonLValue& RHS) const;
   NonLValue UnaryMinus(ValueManager& ValMgr, UnaryOperator* U) const;
+  NonLValue BitwiseComplement(ValueManager& ValMgr) const;
   
   // Equality operators.
   NonLValue EQ(ValueManager& ValMgr, const NonLValue& RHS) const;
@@ -295,6 +296,10 @@
     return ValMgr.getValue(-getValue()); 
   }
   
+  ConcreteInt BitwiseComplement(ValueManager& ValMgr) const {
+    return ValMgr.getValue(~getValue()); 
+  }
+  
   // Casting.
   
   ConcreteInt Cast(ValueManager& ValMgr, Expr* CastExpr) const {