}
PointerTy const *getAddrOfPointer() const {
+ return const_cast<PointerIntPair *>(this)->getAddrOfPointer();
+ }
+
+ PointerTy *getAddrOfPointer() {
assert(Value == reinterpret_cast<intptr_t>(getPointer()) &&
"Can only return the address if IntBits is cleared and "
"PtrTraits doesn't change the pointer");
- return reinterpret_cast<PointerTy const *>(&Value);
+ return reinterpret_cast<PointerTy *>(&Value);
}
void *getOpaqueValue() const { return reinterpret_cast<void*>(Value); }
static PointerIntPair getFromOpaqueValue(void *V) {
PointerIntPair P; P.setFromOpaqueValue(V); return P;
}
-
+
+ // Allow PointerIntPairs to be created from const void * if and only if the
+ // pointer type could be created from a const void *.
+ static PointerIntPair getFromOpaqueValue(const void *V) {
+ (void)PtrTraits::getFromVoidPointer(V);
+ return getFromOpaqueValue(const_cast<void *>(V));
+ }
+
bool operator==(const PointerIntPair &RHS) const {return Value == RHS.Value;}
bool operator!=(const PointerIntPair &RHS) const {return Value != RHS.Value;}
bool operator<(const PointerIntPair &RHS) const {return Value < RHS.Value;}
getFromVoidPointer(void *P) {
return PointerIntPair<PointerTy, IntBits, IntType>::getFromOpaqueValue(P);
}
+ static inline PointerIntPair<PointerTy, IntBits, IntType>
+ getFromVoidPointer(const void *P) {
+ return PointerIntPair<PointerTy, IntBits, IntType>::getFromOpaqueValue(P);
+ }
enum {
NumLowBitsAvailable = PtrTraits::NumLowBitsAvailable - IntBits
};