390     Node* object, ZoneHandleSet<Map>* object_maps) const {  in Lookup()
393   *object_maps = it->second;  in Lookup()
744   ZoneHandleSet<Map> object_maps;  in ReduceMapGuard()  local
745   if (state->LookupMaps(object, &object_maps)) {  in ReduceMapGuard()
746     if (maps.contains(object_maps)) return Replace(effect);  in ReduceMapGuard()
759   ZoneHandleSet<Map> object_maps;  in ReduceCheckMaps()  local
760   if (state->LookupMaps(object, &object_maps)) {  in ReduceCheckMaps()
761     if (maps.contains(object_maps)) return Replace(effect);  in ReduceCheckMaps()
774   ZoneHandleSet<Map> object_maps;  in ReduceCompareMaps()  local
775   if (state->LookupMaps(object, &object_maps)) {  in ReduceCompareMaps()
776     if (maps.contains(object_maps)) {  in ReduceCompareMaps()
856   ZoneHandleSet<Map> object_maps;  in ReduceTransitionElementsKind()  local
857   if (state->LookupMaps(object, &object_maps)) {  in ReduceTransitionElementsKind()
858     if (ZoneHandleSet<Map>(target_map).contains(object_maps)) {  in ReduceTransitionElementsKind()
863     if (object_maps.contains(ZoneHandleSet<Map>(source_map))) {  in ReduceTransitionElementsKind()
864       object_maps.remove(source_map, zone());  in ReduceTransitionElementsKind()
865       object_maps.insert(target_map, zone());  in ReduceTransitionElementsKind()
868       state = state->SetMaps(object, object_maps, zone());  in ReduceTransitionElementsKind()
888   ZoneHandleSet<Map> object_maps;  in ReduceTransitionAndStoreElement()  local
889   if (state->LookupMaps(object, &object_maps)) {  in ReduceTransitionAndStoreElement()
890     object_maps.insert(double_map, zone());  in ReduceTransitionAndStoreElement()
891     object_maps.insert(fast_map, zone());  in ReduceTransitionAndStoreElement()
893     state = state->SetMaps(object, object_maps, zone());  in ReduceTransitionAndStoreElement()
911     ZoneHandleSet<Map> object_maps;  in ReduceLoadField()  local
912     if (state->LookupMaps(object, &object_maps) && object_maps.size() == 1) {  in ReduceLoadField()
913       Node* value = jsgraph()->HeapConstant(object_maps[0]);  in ReduceLoadField()
965       ZoneHandleSet<Map> object_maps(  in ReduceStoreField()  local
967       state = state->SetMaps(object, object_maps, zone());  in ReduceStoreField()
1092   ZoneHandleSet<Map> object_maps;  in UpdateStateForPhi()  local
1093   if (!input_state->LookupMaps(phi->InputAt(0), &object_maps)) return state;  in UpdateStateForPhi()
1099     if (input_maps != object_maps) return state;  in UpdateStateForPhi()
1101   return state->SetMaps(phi, object_maps, zone());  in UpdateStateForPhi()
1224             ZoneHandleSet<Map> object_maps;  in ComputeLoopState()  local
1225             if (!state->LookupMaps(object, &object_maps) ||  in ComputeLoopState()
1227                      .contains(object_maps)) {  in ComputeLoopState()