132   User *Obj = reinterpret_cast<User*>(End);  in allocateFixedOperandUser()  local
133   Obj->NumUserOperands = Us;  in allocateFixedOperandUser()
134   Obj->HasHungOffUses = false;  in allocateFixedOperandUser()
135   Obj->HasDescriptor = DescBytes != 0;  in allocateFixedOperandUser()
137     new (Start) Use(Obj);  in allocateFixedOperandUser()
144   return Obj;  in allocateFixedOperandUser()
159   User *Obj = reinterpret_cast<User *>(HungOffOperandList + 1);  in operator new()  local
160   Obj->NumUserOperands = 0;  in operator new()
161   Obj->HasHungOffUses = true;  in operator new()
162   Obj->HasDescriptor = false;  in operator new()
164   return Obj;  in operator new()
176   User *Obj = static_cast<User *>(Usr);  in operator delete()  local
177   if (Obj->HasHungOffUses) {  in operator delete()
178     assert(!Obj->HasDescriptor && "not supported!");  in operator delete()
182     Use::zap(*HungOffOperandList, *HungOffOperandList + Obj->NumUserOperands,  in operator delete()
185   } else if (Obj->HasDescriptor) {  in operator delete()
186     Use *UseBegin = static_cast<Use *>(Usr) - Obj->NumUserOperands;  in operator delete()
187     Use::zap(UseBegin, UseBegin + Obj->NumUserOperands, /* Delete */ false);  in operator delete()
193     Use *Storage = static_cast<Use *>(Usr) - Obj->NumUserOperands;  in operator delete()
194     Use::zap(Storage, Storage + Obj->NumUserOperands,  in operator delete()