template<typename T>
struct DenseMapInfo;
+template<typename>
+class PointerLikeTypeInfo;
/// PointerIntPair - This class implements a pair of a pointer and small
/// integer. It is designed to represent this in the space required by one
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;
+ }
+
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;}
static bool isPod() { return true; }
};
+// Teach SmallPtrSet that PointerIntPair is "basically a pointer".
+template<typename PointerTy, unsigned IntBits, typename IntType>
+class PointerLikeTypeInfo<PointerIntPair<PointerTy, IntBits, IntType> > {
+public:
+ static inline void *
+ getAsVoidPointer(const PointerIntPair<PointerTy, IntBits, IntType> &P) {
+ return P.getOpaqueValue();
+ }
+ static inline PointerIntPair<PointerTy, IntBits, IntType>
+ getFromVoidPointer(void *P) {
+ return PointerIntPair<PointerTy, IntBits, IntType>::getFromOpaqueValue(P);
+ }
+};
+
} // end namespace llvm
#endif