Function IsMerge

tensorflow/core/graph/graph_constructor.cc:61–64

static constexpr const bool kDoNotCheckDuplicates = true;

inline bool IsMerge(const NodeDef& node_def) {
  return node_def.op() == "Merge" || node_def.op() == "RefMerge" ||
         node_def.op() == "_XlaMerge";
}

inline bool IsNextIteration(const NodeDef& node_def) {
  return node_def.op() == "NextIteration" ||