ReplaceResourceLoads(region, read_only);
    });
  }

  static LogicalResult ReplaceOpWithNewOp(Operation* op);

 private:
  // Returns if any resources need lifting.
  bool NeedsLifting() const { return !resources_.empty(); }

  // Returns the number of results generated by the lifted op.
  int GetLiftedNumResults() const { return num_new_results_; }