~ConstantExpr() {}
public:
- // Static methods to construct a ConstantExpr of different kinds.
+ // Static methods to construct a ConstantExpr of different kinds. Note that
+ // these methods can return a constant of an arbitrary type, because they will
+ // attempt to fold the constant expression into something simple if they can.
/// Cast constant expr
- static ConstantExpr *getCast(Constant *C, const Type *Ty);
+ static Constant *getCast(Constant *C, const Type *Ty);
/// Binary constant expr - Use with binary operators...
- static ConstantExpr *get(unsigned Opcode, Constant *C1, Constant *C2);
+ static Constant *get(unsigned Opcode, Constant *C1, Constant *C2);
/// Getelementptr form...
- static ConstantExpr *getGetElementPtr(Constant *C,
- const std::vector<Constant*> &IdxList);
+ static Constant *getGetElementPtr(Constant *C,
+ const std::vector<Constant*> &IdxList);
/// isNullValue - Return true if this is the value that would be returned by
/// getNullValue.
std::vector<Constant*> Args;
Args.push_back(Constant::getNullValue(Type::LongTy));
Args.push_back(Constant::getNullValue(Type::LongTy));
- ConstantExpr *Replacement =
+ Constant *Replacement =
ConstantExpr::getGetElementPtr(ConstantPointerRef::get(Concrete), Args);
for (unsigned i = 0; i != Globals.size(); ++i)
void ConstantExpr::replaceUsesOfWithOnConstant(Value *From, Value *To) {
assert(isa<Constant>(To) && "Cannot make Constant refer to non-constant!");
- ConstantExpr *Replacement = 0;
+ Constant *Replacement = 0;
if (getOpcode() == Instruction::GetElementPtr) {
std::vector<Constant*> Indices;
Constant *Pointer = cast<Constant>(getOperand(0));
typedef pair<unsigned, vector<Constant*> > ExprMapKeyType;
static ValueMap<const ExprMapKeyType, ConstantExpr> ExprConstants;
-ConstantExpr *ConstantExpr::getCast(Constant *C, const Type *Ty) {
-
+Constant *ConstantExpr::getCast(Constant *C, const Type *Ty) {
// Look up the constant in the table first to ensure uniqueness
vector<Constant*> argVec(1, C);
const ExprMapKeyType &Key = make_pair(Instruction::Cast, argVec);
return Result;
}
-ConstantExpr *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2) {
+Constant *ConstantExpr::get(unsigned Opcode, Constant *C1, Constant *C2) {
// Look up the constant in the table first to ensure uniqueness
vector<Constant*> argVec(1, C1); argVec.push_back(C2);
const ExprMapKeyType &Key = make_pair(Opcode, argVec);
return Result;
}
-ConstantExpr *ConstantExpr::getGetElementPtr(Constant *C,
- const std::vector<Constant*> &IdxList) {
+Constant *ConstantExpr::getGetElementPtr(Constant *C,
+ const std::vector<Constant*> &IdxList){
const Type *Ty = C->getType();
// Look up the constant in the table first to ensure uniqueness