/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This program is free software, you can redistribute it and/or modify it under the terms and conditions of 
 * CANN Open Software License Agreement Version 2.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, 
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

#ifndef GE_GRAPH_PASSES_REF_IDENTITY_DELETE_OP_PASS_H_
#define GE_GRAPH_PASSES_REF_IDENTITY_DELETE_OP_PASS_H_

#include <map>
#include <string>
#include "framework/common/ge_inner_error_codes.h"
#include "graph/passes/graph_pass.h"

namespace ge {
class RefIdentityDeleteOpPass : public GraphPass {
 public:
  Status Run(ComputeGraphPtr graph);

 private:
  Status DealNoOutputRef(const NodePtr &ref_identity, const ComputeGraphPtr &graph) const;
  NodePtr GetRefNode(const NodePtr &node, int32_t &input_index) const;
};
}  // namespace ge

#endif  // GE_GRAPH_PASSES_REF_IDENTITY_DELETE_OP_PASS_H_