// have them, so we generate a name for subgraphs that are missing one here.
// Note: in TFLite, the first subgraph is the entry point, and in MLIR that
// represents TFLite, this entry point must be called "main"
std::string SubgraphName(bool set_implicit_main_func, unsigned index,
                         const tflite::SubGraphT& subgraph) {
  if (index == 0 && set_implicit_main_func) {
    return "main";
  }
  if (subgraph.name.empty()) {