*compilation_result = {};
  bool has_mlir = computation.index() == 0;

  std::string mlir_string = has_mlir ? "has_mlir" : "has_function_to_hlo";
  const std::string kBridgePhase2Config =
      absl::StrCat("graph_old_bridge_", mlir_string);

  if (has_mlir) {
    TF_RETURN_IF_ERROR(CompileMLIRTFFunction(
        std::get<0>(computation), metadata, use_tuple_args,
        shape_determination_funcs, arg_shapes, arg_core_mapping,