30 struct OrderMap {  struct
31   DenseMap<const Value *, std::pair<unsigned, bool>> IDs;
32   unsigned LastGlobalConstantID;
33   unsigned LastGlobalValueID;
35   OrderMap() : LastGlobalConstantID(0), LastGlobalValueID(0) {}  in OrderMap()  argument
37   bool isGlobalConstant(unsigned ID) const {  in isGlobalConstant()
40   bool isGlobalValue(unsigned ID) const {  in isGlobalValue()
44   unsigned size() const { return IDs.size(); }  in size()
45   std::pair<unsigned, bool> &operator[](const Value *V) { return IDs[V]; }  in operator []()
46   std::pair<unsigned, bool> lookup(const Value *V) const {  in lookup()
49   void index(const Value *V) {  in index()