/// when it is a prefix to the User object, and the number of Use objects is
/// known at compile time.
-template <unsigned ARITY>
+template <typename SubClass, unsigned ARITY>
struct FixedNumOperandTraits {
- static Use *op_begin(User* U) {
+ static Use *op_begin(SubClass* U) {
return reinterpret_cast<Use*>(U) - ARITY;
}
- static Use *op_end(User* U) {
+ static Use *op_end(SubClass* U) {
return reinterpret_cast<Use*>(U);
}
static unsigned operands(const User*) {
return ARITY;
}
- struct prefix {
- Use Ops[ARITY];
- prefix(); // DO NOT IMPLEMENT
- };
- template <class U>
- struct Layout {
- struct overlay : public prefix, public U {
- overlay(); // DO NOT IMPLEMENT
- };
- };
};
//===----------------------------------------------------------------------===//
/// OptionalOperandTraits - when the number of operands may change at runtime.
/// Naturally it may only decrease, because the allocations may not change.
-template <unsigned ARITY = 1>
-struct OptionalOperandTraits : public FixedNumOperandTraits<ARITY> {
+template <typename SubClass, unsigned ARITY = 1>
+struct OptionalOperandTraits : public FixedNumOperandTraits<SubClass, ARITY> {
static unsigned operands(const User *U) {
return U->getNumOperands();
}
/// when it is a prefix to the User object, and the number of Use objects is
/// only known at allocation time.
-template <unsigned MINARITY = 0>
+template <typename SubClass, unsigned MINARITY = 0>
struct VariadicOperandTraits {
- static Use *op_begin(User* U) {
- return reinterpret_cast<Use*>(U) - U->getNumOperands();
+ static Use *op_begin(SubClass* U) {
+ return reinterpret_cast<Use*>(U) - static_cast<User*>(U)->getNumOperands();
}
- static Use *op_end(User* U) {
+ static Use *op_end(SubClass* U) {
return reinterpret_cast<Use*>(U);
}
static unsigned operands(const User *U) {
VALUECLASS *CLASS::getOperand(unsigned i_nocapture) const { \
assert(i_nocapture < OperandTraits<CLASS>::operands(this) \
&& "getOperand() out of range!"); \
- return static_cast<VALUECLASS*>( \
- OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this))[i_nocapture]); \
-} \
-void CLASS::setOperand(unsigned i_nocapture, VALUECLASS *Val_nocapture) { \
- assert(i_nocapture < OperandTraits<CLASS>::operands(this) \
- && "setOperand() out of range!"); \
- OperandTraits<CLASS>::op_begin(this)[i_nocapture] = Val_nocapture; \
-} \
-unsigned CLASS::getNumOperands() const { \
- return OperandTraits<CLASS>::operands(this); \
-} \
-template <int Idx_nocapture> Use &CLASS::Op() { \
- return this->OpFrom<Idx_nocapture>(this); \
-} \
-template <int Idx_nocapture> const Use &CLASS::Op() const { \
- return this->OpFrom<Idx_nocapture>(this); \
-}
-
-
-/// Macro for generating out-of-class operand accessor
-/// definitions with casted result
-#define DEFINE_TRANSPARENT_CASTED_OPERAND_ACCESSORS(CLASS, VALUECLASS) \
-CLASS::op_iterator CLASS::op_begin() { \
- return OperandTraits<CLASS>::op_begin(this); \
-} \
-CLASS::const_op_iterator CLASS::op_begin() const { \
- return OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this)); \
-} \
-CLASS::op_iterator CLASS::op_end() { \
- return OperandTraits<CLASS>::op_end(this); \
-} \
-CLASS::const_op_iterator CLASS::op_end() const { \
- return OperandTraits<CLASS>::op_end(const_cast<CLASS*>(this)); \
-} \
-VALUECLASS *CLASS::getOperand(unsigned i_nocapture) const { \
- assert(i_nocapture < OperandTraits<CLASS>::operands(this) \
- && "getOperand() out of range!"); \
- return cast<VALUECLASS>( \
- OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this))[i_nocapture]); \
+ return cast_or_null<VALUECLASS>( \
+ OperandTraits<CLASS>::op_begin(const_cast<CLASS*>(this))[i_nocapture].get()); \
} \
void CLASS::setOperand(unsigned i_nocapture, VALUECLASS *Val_nocapture) { \
assert(i_nocapture < OperandTraits<CLASS>::operands(this) \