//===----------------------------------------------------------------------===//
Use *User::allocHungoffUses(unsigned N) const {
- Use *Begin = static_cast<Use*>(::operator new(sizeof(Use) * N
- + sizeof(AugmentedUse)
- - sizeof(Use)));
+ // Allocate the array of Uses, followed by a pointer (with bottom bit set) to
+ // the User.
+ size_t size = N * sizeof(Use) + sizeof(Use::UserRef);
+ Use *Begin = static_cast<Use*>(::operator new(size));
Use *End = Begin + N;
- PointerIntPair<User*, 1, unsigned>&
- ref(static_cast<AugmentedUse&>(End[-1]).ref);
- ref.setPointer(const_cast<User*>(this));
- ref.setInt(1);
+ (void) new(End) Use::UserRef(const_cast<User*>(this), 1);
return Use::initTags(Begin, End);
}