+ virtual Constant *add(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *sub(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *mul(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *div(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *rem(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *op_and(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *op_or (const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *op_xor(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *shl(const Constant *V1, const Constant *V2) const = 0;
+ virtual Constant *shr(const Constant *V1, const Constant *V2) const = 0;
+
+ virtual ConstantBool *lessthan(const Constant *V1,
+ const Constant *V2) const = 0;
+
+ // Casting operators. ick
+ virtual ConstantBool *castToBool (const Constant *V) const = 0;
+ virtual ConstantSInt *castToSByte (const Constant *V) const = 0;
+ virtual ConstantUInt *castToUByte (const Constant *V) const = 0;
+ virtual ConstantSInt *castToShort (const Constant *V) const = 0;
+ virtual ConstantUInt *castToUShort(const Constant *V) const = 0;
+ virtual ConstantSInt *castToInt (const Constant *V) const = 0;
+ virtual ConstantUInt *castToUInt (const Constant *V) const = 0;
+ virtual ConstantSInt *castToLong (const Constant *V) const = 0;
+ virtual ConstantUInt *castToULong (const Constant *V) const = 0;
+ virtual ConstantFP *castToFloat (const Constant *V) const = 0;
+ virtual ConstantFP *castToDouble(const Constant *V) const = 0;
+ virtual ConstantPointer *castToPointer(const Constant *V,
+ const PointerType *Ty) const = 0;
+
+ inline Constant *castTo(const Constant *V, const Type *Ty) const {
+ switch (Ty->getPrimitiveID()) {
+ case Type::BoolTyID: return castToBool(V);
+ case Type::UByteTyID: return castToUByte(V);
+ case Type::SByteTyID: return castToSByte(V);
+ case Type::UShortTyID: return castToUShort(V);
+ case Type::ShortTyID: return castToShort(V);
+ case Type::UIntTyID: return castToUInt(V);
+ case Type::IntTyID: return castToInt(V);
+ case Type::ULongTyID: return castToULong(V);
+ case Type::LongTyID: return castToLong(V);
+ case Type::FloatTyID: return castToFloat(V);
+ case Type::DoubleTyID: return castToDouble(V);
+ case Type::PointerTyID:return castToPointer(V, (PointerType*)Ty);
+ default: return 0;
+ }
+ }