-//===----------------------------------------------------------------------===//
-// User allocHungoffUses Implementation
-//===----------------------------------------------------------------------===//
-
-Use *User::allocHungoffUses(unsigned N) const {
- Use *Begin = static_cast<Use*>(::operator new(sizeof(Use) * N
- + sizeof(AugmentedUse)
- - sizeof(Use)));
- Use *End = Begin + N;
- PointerIntPair<User*, 1, Tag>& ref(static_cast<AugmentedUse&>(End[-1]).ref);
- ref.setPointer(const_cast<User*>(this));
- ref.setInt(tagOne);
- return Use::initTags(Begin, End);
-}
-
-//===----------------------------------------------------------------------===//
-// User operator new Implementations
-//===----------------------------------------------------------------------===//
-
-void *User::operator new(size_t s, unsigned Us) {
- void *Storage = ::operator new(s + sizeof(Use) * Us);
- Use *Start = static_cast<Use*>(Storage);
- Use *End = Start + Us;
- User *Obj = reinterpret_cast<User*>(End);
- Obj->OperandList = Start;
- Obj->NumOperands = Us;
- Use::initTags(Start, End);
- return Obj;
-}
-
-//===----------------------------------------------------------------------===//
-// User operator delete Implementation
-//===----------------------------------------------------------------------===//
-
-void User::operator delete(void *Usr) {
- User *Start = static_cast<User*>(Usr);
- Use *Storage = static_cast<Use*>(Usr) - Start->NumOperands;
- //
- // look for a variadic User
- if (Storage == Start->OperandList) {
- ::operator delete(Storage);
- return;
- }
- //
- // in all other cases just delete the nullary User (covers hung-off
- // uses also
- ::operator delete(Usr);
-}
-