mindspore2022/mindspore/lite/tools/optimizer/graph/while_pass.h

42 lines
1.4 KiB
C++

/**
* Copyright 2020-2021 Huawei Technologies Co., Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_WHILE_PASS_H_
#define MINDSPORE_LITE_TOOLS_OPTIMIZER_GRAPH_WHILE_PASS_H_
#include <string>
#include <vector>
#include "schema/inner/model_generated.h"
#include "tools/converter/converter_flags.h"
#include "backend/optimizer/common/pass.h"
using mindspore::lite::converter::FmkType;
namespace mindspore::opt {
class WhilePass : public Pass {
public:
WhilePass() : Pass("while_pass") {}
~WhilePass() override = default;
bool Run(const FuncGraphPtr &graph) override;
private:
static ValueNodePtr GetSwitchAnfPrim();
const size_t kWhileMinInputSize = 3;
const size_t kWhileCondIndex = 1;
const size_t kWhileBodyIndex = 2;
};
} // namespace mindspore::opt
#endif // MINDSPORE_LITE_SRC_PASS_REMOVE_IDENTITY_PASS_H_