TF_SavedModel* saved_model = TF_LoadSavedModel("/path/to/model", ctx, status);
TF_ConcreteFunction* f = TF_GetSavedModelConcreteFunction(saved_model, "f", status);
TFE_Op* op = TF_ConcreteFunctionMakeCallOp(f, NULL, 0, status);

TFE_TensorHandle* output;
int nouts = 1;
TFE_Execute(op, &output, &nouts, status);

TFE_DeleteTensorHandle(output);
TFE_DeleteOp(op);
TFE_DeleteSavedModel(saved_model);

TF_FunctionMetadata* TF_ConcreteFunctionGetMetadata(TF_ConcreteFunction* func) {
  return tensorflow::wrap(const_cast<tensorflow::FunctionMetadata*>(
      &tensorflow::unwrap(func)->GetFunctionMetadata()));
}

TFE_Op* TF_ConcreteFunctionMakeCallOp(TF_ConcreteFunction* func,
                                      TFE_TensorHandle** inputs, int num_inputs,
                                      TF_Status* status) {
  tensorflow::ImmediateOpPtr call_op;

// TF_Value* TF_ExecuteFunction(TFE_Context*, TF_ConcreteFunction*, TF_Value*
// inputs, int num_inputs, TF_Status* status);
TF_CAPI_EXPORT extern TFE_Op* TF_ConcreteFunctionMakeCallOp(
    TF_ConcreteFunction* func, TFE_TensorHandle** inputs, int num_inputs,
    TF_Status* status);

#ifdef __cplusplus
}  // end extern "C"
#endif  // __cplusplus