TFE_DeleteTensorHandle(input_b);
  TFE_DeleteOp(compute_fn_op);
  TF_DeleteSavedModel(saved_model);
  TF_DeleteStatus(status);
  TFE_DeleteContext(ctx);
}

// This tests running the "serving_default" SignatureDefFunction from the
// VarsAndArithmeticObjectGraph savedmodel. Here's what the signature_defs
// protobuf in the metagraph looks like:
// signature_def: {
//   key  : "serving_default"
//   value: {
//     inputs: {