Value |= IntVal << IntShift; // Set new integer.
}
+ 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 *>(&Value);
+ }
+
void *getOpaqueValue() const { return reinterpret_cast<void*>(Value); }
void setFromOpaqueValue(void *Val) { Value = reinterpret_cast<intptr_t>(Val);}
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;}
bool operator>=(const PointerIntPair &RHS) const {return Value >= RHS.Value;}
};
+template <typename T> struct isPodLike;
+template<typename PointerTy, unsigned IntBits, typename IntType>
+struct isPodLike<PointerIntPair<PointerTy, IntBits, IntType> > {
+ static const bool value = true;
+};
+
// Provide specialization of DenseMapInfo for PointerIntPair.
template<typename PointerTy, unsigned IntBits, typename IntType>
struct DenseMapInfo<PointerIntPair<PointerTy, IntBits, IntType> > {
typedef PointerIntPair<PointerTy, IntBits, IntType> Ty;
static Ty getEmptyKey() {
- intptr_t Val = -1;
+ uintptr_t Val = static_cast<uintptr_t>(-1);
Val <<= PointerLikeTypeTraits<PointerTy>::NumLowBitsAvailable;
return Ty(reinterpret_cast<PointerTy>(Val), IntType((1 << IntBits)-1));
}
static Ty getTombstoneKey() {
- intptr_t Val = -2;
+ uintptr_t Val = static_cast<uintptr_t>(-2);
Val <<= PointerLikeTypeTraits<PointerTy>::NumLowBitsAvailable;
return Ty(reinterpret_cast<PointerTy>(Val), IntType(0));
}
return unsigned(IV) ^ unsigned(IV >> 9);
}
static bool isEqual(const Ty &LHS, const Ty &RHS) { return LHS == RHS; }
- static bool isPod() { return true; }
};
// Teach SmallPtrSet that PointerIntPair is "basically a pointer".
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
};