352   // The `Transmitters` map memoizes transmitters found for each def. If a def  in getGadgetGraph()
354   // has been analyzed and was determined not to have any transmitters, then  in getGadgetGraph()
355   // its list of transmitters will be empty.  in getGadgetGraph()
356   DenseMap<NodeId, std::vector<NodeId>> Transmitters;  in getGadgetGraph()  local
364           if (Transmitters.contains(Def.Id))  in getGadgetGraph()
409               Transmitters[Def.Id].push_back(Use.Addr->getOwner(DFG).Id);  in getGadgetGraph()
430               // `Def` inherits all of its child defs' transmitters.  in getGadgetGraph()
431               for (auto TransmitterId : Transmitters[ChildDef.Id])  in getGadgetGraph()
432                 Transmitters[Def.Id].push_back(TransmitterId);  in getGadgetGraph()
437           // transmitters were found for `Def`.  in getGadgetGraph()
438           auto &DefTransmitters = Transmitters[Def.Id];  in getGadgetGraph()
440           // Remove duplicate transmitters  in getGadgetGraph()
446     // Find all of the transmitters  in getGadgetGraph()
448     auto &SourceDefTransmitters = Transmitters[SourceDef.Id];  in getGadgetGraph()
450       return; // No transmitters for `SourceDef`  in getGadgetGraph()