35     BitVector Elements;  member in llvm::Graph::NodeSubset
36     NodeSubset(BitVector e) : Elements(e) {}  in NodeSubset()
39     NodeSubset() : Elements(0) {  in NodeSubset()
45       return other.Elements == this->Elements;  in operator ==()
54       Elements |= 1U << Idx;  in AddNode()
60       Elements &= ~(1U << Idx);  in DeleteNode()
66       return (Elements & (1U << Idx)) != 0;  in count()
71       return Elements == 0;  in isEmpty()
76       return (this->Elements | other.Elements) == other.Elements;  in isSubsetOf()
81       return ~(unsigned)this->Elements & ((1U << N) - 1);  in Complement()
86       return this->Elements | other.Elements;  in Join()
91       return this->Elements & other.Elements;  in Meet()