queue.push_back(op);
      }
    }
  }

  return visited;
}

// We want to adjust the func op according to some cross ops information.
static StatusOr<FuncOp> PostProcessFuncOp(FuncOp func) {
  OpBuilder builder(func);
  // When a quantized constant is imported, its quantization parameter is set
  // to be narrow range. Here revert to be the fully range if the user doesn't