154 bool MetadataTracking::track(void *Ref, Metadata &MD, OwnerTy Owner) {  in track()  argument
155   assert(Ref && "Expected live reference");  in track()
156   assert((Owner || *static_cast<Metadata **>(Ref) == &MD) &&  in track()
159     R->addRef(Ref, Owner);  in track()
165     PH->Use = static_cast<Metadata **>(Ref);  in track()
171 void MetadataTracking::untrack(void *Ref, Metadata &MD) {  in untrack()  argument
172   assert(Ref && "Expected live reference");  in untrack()
174     R->dropRef(Ref);  in untrack()
179 bool MetadataTracking::retrack(void *Ref, Metadata &MD, void *New) {  in retrack()  argument
180   assert(Ref && "Expected live reference");  in retrack()
182   assert(Ref != New && "Expected change");  in retrack()
184     R->moveRef(Ref, New, MD);  in retrack()
198 void ReplaceableMetadataImpl::addRef(void *Ref, OwnerTy Owner) {  in addRef()  argument
200       UseMap.insert(std::make_pair(Ref, std::make_pair(Owner, NextIndex)))  in addRef()
209 void ReplaceableMetadataImpl::dropRef(void *Ref) {  in dropRef()  argument
210   bool WasErased = UseMap.erase(Ref);  in dropRef()
215 void ReplaceableMetadataImpl::moveRef(void *Ref, void *New,  in moveRef()  argument
217   auto I = UseMap.find(Ref);  in moveRef()
227   assert((OwnerAndIndex.first || *static_cast<Metadata **>(Ref) == &MD) &&  in moveRef()
252       Metadata *&Ref = *static_cast<Metadata **>(Pair.first);  in replaceAllUsesWith()  local
253       Ref = MD;  in replaceAllUsesWith()
255         MetadataTracking::track(Ref);  in replaceAllUsesWith()
699 void MDNode::handleChangedOperand(void *Ref, Metadata *New) {  in handleChangedOperand()  argument
700   unsigned Op = static_cast<MDOperand *>(Ref) - op_begin();  in handleChangedOperand()