1660   std::string getEdgeSourceLabel(const DisplayNode &Sink) const {  in getEdgeSourceLabel()
1661     return getEdge(Sink).getValue();  in getEdgeSourceLabel()
1869                                const unsigned &Sink) const {  in getEdgeSourceLabel()
1871         getNode(Source).getLabel().str() + " " + getNode(Sink).getLabel().str();  in getEdgeSourceLabel()
1989     for (StringMap<std::string>::const_iterator Sink = BD.getData().begin(),  in DotCfgDiff()  local
1991          Sink != E; ++Sink) {  in DotCfgDiff()
1992       std::string Key = (Label + " " + Sink->getKey().str()).str() + " " +  in DotCfgDiff()
1993                         BD.getData().getSuccessorLabel(Sink->getKey()).str();  in DotCfgDiff()
2011     for (StringMap<std::string>::const_iterator Sink = BD.getData().begin(),  in DotCfgDiff()  local
2013          Sink != E; ++Sink) {  in DotCfgDiff()
2014       std::string Key = (Label + " " + Sink->getKey().str()).str() + " " +  in DotCfgDiff()
2015                         BD.getData().getSuccessorLabel(Sink->getKey()).str();  in DotCfgDiff()
2033     StringRef Sink = SP2.second;  in DotCfgDiff()  local
2038     assert(NodePosition.count(Sink) == 1 && "Expected to find node.");  in DotCfgDiff()
2039     unsigned SinkNode = NodePosition[Sink];  in DotCfgDiff()