func.func @nested_entry_functions() attributes {tf.entry_function = {}} {
  tf_executor.graph {
     %control = tf_executor.island wraps "tf.StatefulPartitionedCall"() {config = "", config_proto = "", device = "/device:CPU:0", executor_type = "", f = @func} : () -> ()
     tf_executor.fetch
  }
  func.return
}

func.func @func() attributes {tf.entry_function = {}} {

  func.func @main(%arg0: tensor<?x!tf_type.string> {tf_saved_model.index_path = ["serving_default_input_vocabs:0"]}) -> (tensor<*xi64> {tf_saved_model.index_path = ["StatefulPartitionedCall:0"]})
      attributes {tf.entry_function = {inputs = "serving_default_input_vocabs:0", outputs = "StatefulPartitionedCall:0"}, tf_saved_model.exported_names = ["main"]} {
    %0 = tf_executor.graph {

  %0 = arith.constant dense<2.000000e+00> : tensor<f32>
  %1 = arith.constant dense<1.000000e+00> : tensor<f32>
  %2 = "tf.AddV2"(%arg0, %1) {T = "tfdtype$DT_FLOAT", device = "", name = "StatefulPartitionedCall/add"} : (tensor<1xf32>, tensor<f32>) -> tensor<1xf32>
  %3 = "tf.Mul"(%2, %0) {T = "tfdtype$DT_FLOAT", device = "", name = "output_node"} : (tensor<1xf32>, tensor<f32>) -> tensor<1xf32>
  func.return %3 : tensor<1xf32>

  std::vector<NodeBuilder::NodeOut> inputs({NodeBuilder::NodeOut(a.node())});

  Node* call;
  NameAttrList f_name_attr;
  f_name_attr.set_name(fd.signature().name());
  TF_ASSERT_OK(
      NodeBuilder("B", "StatefulPartitionedCall", &root.graph()->flib_def())
          .Input(inputs)
          .Attr("Tin", {DT_RESOURCE})
          .Attr("Tout", {DT_RESOURCE})
          .Attr("f", f_name_attr)
          .Finalize(root.graph(), &call));

    // CHECK-NOT: "tf.Cast"
    %0 = "tf.VarHandleOp"() {_class = ["loc:@Variable"], allowed_devices = [], container = "", device = "", shared_name = "Variable"} : () -> tensor<!tf_type.resource<tensor<f32>>>
    %1 = "tf.StatefulPartitionedCall"(%0) {config = "", config_proto = "", executor_type = "", f = @callee} : (tensor<!tf_type.resource<tensor<f32>>>) -> tensor<f32>
    func.return %1 : tensor<f32>
  }

  // CHECK-NOT: func private @callee

      ::llvm::cl::desc("Skip tf.ResizeBilinear and tf.ResizeNearestNeighbor")};

  Option<bool> skip_partitioned_calls_{
      *this, "skip-partitioned-calls",
      ::llvm::cl::desc(
          "Skip tf.StatefulPartitionedCall and tf.PartitionedCall")};
};

void TFToMhloPass::runOnOperation() {
  auto func = getOperation();
  MLIRContext *context = func->getContext();

  RewritePatternSet patterns(context);

    key: "value"
    value {
      tensor {
        dtype: DT_FLOAT
        tensor_shape {
        }
        float_val: 0.0
      }
    }
  }
}
node {
  name: "test_fn_call"
  op: "StatefulPartitionedCall"
  input: "const"
  attr {
    key: "Tin"
    value {
      list {
        type: DT_FLOAT
      }
    }
  }
  attr {
    key: "Tout"
    value {
      list {
        type: DT_FLOAT

  func.func @f(%arg0: tensor<!tf_type.resource<tensor<f32>>> {tf_saved_model.bound_input = @v})
  attributes {tf_saved_model.exported_names = ["f"]} {
    "tf.StatefulPartitionedCall"(%arg0) {config = "", config_proto = "", executor_type = "", f = @f_callee} : (tensor<!tf_type.resource<tensor<f32>>>) -> ()
    func.return
  }

  for (int i = 0; i < num_inputs; i++) {
    grad_outputs->push_back(grad[i]);
  }

  return scope.status();
}

REGISTER_GRADIENT_OP("PartitionedCall", PartitionedCallGrad);
REGISTER_GRADIENT_OP("StatefulPartitionedCall", PartitionedCallGrad);

}  // anonymous namespace
}  // namespace ops

//
// CHECK-LABEL:  func.func @serving_default
// CHECK-NOT:  IfrtLoadVariable
// CHECK:      "tf.VarHandleOp"
// CHECK-NEXT: "tf.AssignVariableOp"
// CHECK-NEXT: "tf.ReadVariableOp"
// CHECK-NEXT: "tf.StatefulPartitionedCall"
// CHECK-NEXT:  return 
//
module {
  func.func @serving_default() -> tensor<*xi32> {
    %cst = "tf.Const"() <{value = dense<"some_test.txt"> : tensor<!tf_type.string>}> : () -> tensor<!tf_type.string>