aliasing_arg.getArgNumber();
    result->old_to_new_output_indices.push_back(-1);
  }

  if (failed(FindResourceArgUseInfo(callee, &result->use_info))) {
    return failure();
  }
  if (result->use_info.empty()) {
    result->lifted_callee = nullptr;
    return success();
  }

  // Clone the callee before making changes.
  SmallString<64> name_base = callee.getName();