absl::flat_hash_set<Node*> control_ret_nodes;
  Status status = tensorflow::tf2xla::v2::ConvertMlirToGraph(
      module_in, confs, &graph, &flib_def, &control_ret_nodes);
  if (!status.ok()) {
    mlir::emitError(mlir::UnknownLoc::get(&ctx)) << status.message();
    return signalPassFailure();
  }

  // Run each of the passes that were selected.
  GraphConstructorOptions opts;
  opts.allow_internal_ops = true;