Function IsControlFlowV1Node

tensorflow/compiler/tf2xla/resource_util.cc:53–56

        source_to_path);

bool IsControlFlowV1Node(const Node* n) {
  return (n->IsEnter() || n->IsExit() || n->IsSwitch() || n->IsMerge() ||
          n->IsNextIteration());
}

// TODO(ycao): Add this as Tensorflow Node method.
StatusOr<absl::InlinedVector<const Edge*, 1>> OutputEdgesByIndex(const Node& n,