cond_graph->parent_inputs = inputs;
  body_graph->parent = g;
  body_graph->parent_inputs = inputs;

  TF_Output* cond_inputs = new TF_Output[ninputs];
  TF_Output cond_output = {nullptr, -1};
  TF_Output* body_inputs = new TF_Output[ninputs];
  TF_Output* body_outputs = new TF_Output[ninputs];
  for (int i = 0; i < ninputs; ++i) body_outputs[i] = {nullptr, -1};
  const char* name = nullptr;