const FunctionBody* fbody = nullptr;
      std::vector<int> constant_arg_indices;
      std::vector<int> resource_arg_indices;

      NameAttrList function;
      TF_RETURN_IF_ERROR(NameAndAttrsFromFunctionCall(node->def(), &function));

      // Force all constants to be on the host memory.
      TF_RETURN_IF_ERROR(GetBodyAndConstantsAndResources(

  XlaOpRegistry::RegisterCompilationKernels();

  // Get function body, constant args, and resource args.
  NameAttrList function;
  TF_RETURN_IF_ERROR(NameAndAttrsFromFunctionCall(node_def, &function));
  const FunctionBody* fbody = nullptr;
  std::vector<int> constant_arg_indices;
  std::vector<int> resource_arg_indices;
  TF_RETURN_IF_ERROR(GetBodyAndConstantsAndResources(

            << ".";
    return false;
  }

  FunctionLibraryRuntime::Handle handle;
  Status s;
  NameAttrList function;
  s = NameAndAttrsFromFunctionCall(call_def, &function);
  if (s.ok()) {
    s = lib_runtime->Instantiate(function.name(), AttrSlice(&function.attr()),
                                 &handle);
  }
  if (!s.ok()) {