<< func_name;
  }

  FunctionType func_ty = func.getFunctionType();
  int func_arg_count = func_ty.getNumInputs();
  int arg_count = getArgs().size();

  if (arg_count != func_arg_count) {
    return emitError() << "argument count mismatch: 'args' has " << arg_count
                       << " argument(s), but '" << func_name << "' expects "
                       << func_arg_count;
  }

           << func;
  }

  FunctionType function_ty = function.getFunctionType();
  int func_arg_count = function_ty.getNumInputs();
  int arg_count = op.getArgs().size();

  if (arg_count != func_arg_count) {
    return op.emitError() << "argument count mismatch: 'args' has " << arg_count
                          << " arguments, but '" << func << "' expects "
                          << func_arg_count;
  }