template<class ConstantClass, class TypeClass, class ValType>
struct ConstantCreator;
+template<class ConstantClass, class TypeClass>
+struct ConvertConstantType;
+
//===---------------------------------------------------------------------------
/// ConstantIntegral - Shared superclass of boolean and integer constants.
unsigned iType; // Operation type (an Instruction opcode)
friend struct ConstantCreator<ConstantExpr,Type,
std::pair<unsigned, std::vector<Constant*> > >;
+ friend struct ConvertConstantType<ConstantExpr, Type>;
protected:
// Cast creation ctor
// GEP instruction creation ctor
ConstantExpr(Constant *C, const std::vector<Constant*> &IdxList,
const Type *DestTy);
+
+ // These private methods are used by the type resolution code to create
+ // ConstantExprs in intermediate forms.
+ static Constant *getTy(const Type *Ty, unsigned Opcode,
+ Constant *C1, Constant *C2);
+ static Constant *getShiftTy(const Type *Ty,
+ unsigned Opcode, Constant *C1, Constant *C2);
+ static Constant *getGetElementPtrTy(const Type *Ty, Constant *C,
+ const std::vector<Constant*> &IdxList);
public:
// Static methods to construct a ConstantExpr of different kinds. Note that
// expression into something simpler if possible.
/// Cast constant expr
+ ///
static Constant *getCast(Constant *C, const Type *Ty);
/// Binary constant expr - Use with binary operators...
- static Constant *get(unsigned Opcode, Constant *C1, Constant *C2);
+ ///
+ static Constant *get(unsigned Opcode, Constant *C1, Constant *C2) {
+ return getTy(C1->getType(), Opcode, C1, C2);
+ }
/// getShift - Return a shift left or shift right constant expr
- static Constant *getShift(unsigned Opcode, Constant *C1, Constant *C2);
+ ///
+ static Constant *getShift(unsigned Opcode, Constant *C1, Constant *C2) {
+ return getShiftTy(C1->getType(), Opcode, C1, C2);
+ }
/// Getelementptr form...
+ ///
static Constant *getGetElementPtr(Constant *C,
const std::vector<Constant*> &IdxList);