switch (I->getOpcode()) {
case Instruction::Cast:
return ConstRules::get(*Op0)->castTo(Op0, I->getType());
- case Instruction::Not: return ~*Op0;
case Instruction::Add: return *Op0 + *Op1;
case Instruction::Sub: return *Op0 - *Op1;
case Instruction::Mul: return *Op0 * *Op1;
return ConstRules::get(*V)->castTo(V, DestTy);
}
-Constant *ConstantFoldUnaryInstruction(unsigned Opcode, const Constant *V) {
- switch (Opcode) {
- case Instruction::Not: return ~*V;
- }
- return 0;
-}
-
Constant *ConstantFoldBinaryInstruction(unsigned Opcode, const Constant *V1,
const Constant *V2) {
switch (Opcode) {
// Redirecting functions that cast to the appropriate types
//===--------------------------------------------------------------------===//
- virtual Constant *op_not(const Constant *V) const {
- return SubClassName::Not((const ArgType *)V);
- }
-
virtual Constant *add(const Constant *V1, const Constant *V2) const {
return SubClassName::Add((const ArgType *)V1, (const ArgType *)V2);
}
// Default "noop" implementations
//===--------------------------------------------------------------------===//
- static Constant *Not(const ArgType *V) { return 0; }
-
static Constant *Add(const ArgType *V1, const ArgType *V2) { return 0; }
static Constant *Sub(const ArgType *V1, const ArgType *V2) { return 0; }
static Constant *Mul(const ArgType *V1, const ArgType *V2) { return 0; }
//
struct BoolRules : public TemplateRules<ConstantBool, BoolRules> {
- static Constant *Not(const ConstantBool *V) {
- return ConstantBool::get(!V->getValue());
- }
-
static Constant *And(const ConstantBool *V1, const ConstantBool *V2) {
return ConstantBool::get(V1->getValue() & V2->getValue());
}
struct DirectIntRules
: public DirectRules<ConstantClass, BuiltinType, Ty,
DirectIntRules<ConstantClass, BuiltinType, Ty> > {
- static Constant *Not(const ConstantClass *V) {
- return ConstantClass::get(*Ty, ~(BuiltinType)V->getValue());;
- }
static Constant *Rem(const ConstantClass *V1,
const ConstantClass *V2) {