mindspore2022/mindspore/ccsrc/optimizer/irpass/grad_var_prepare.h

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1.7 KiB
C++

/**
* Copyright 2020 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_CCSRC_OPTIMIZER_IRPASS_GRAD_VAR_PREPARE_H_
#define MINDSPORE_CCSRC_OPTIMIZER_IRPASS_GRAD_VAR_PREPARE_H_
#include <vector>
#include <algorithm>
#include <unordered_map>
#include <memory>
#include "operator/composite/composite.h"
#include "operator/ops.h"
#include "optimizer/irpass.h"
#include "optimizer/optimizer.h"
#include "ir/visitor.h"
#include "ir/func_graph.h"
#include "ir/func_graph_cloner.h"
namespace mindspore {
namespace opt {
namespace irpass {
// {{GradOperation, g, w}, Ys}
// {UnPackCall, {GradOperation, g, w}, Ys}
class GradVarPrepare : public AnfVisitor {
public:
GradVarPrepare()
: grad_op_(std::make_shared<prim::GradOperation>("grad")),
unpack_op_(std::make_shared<prim::UnpackCall>("unpack_call")) {}
~GradVarPrepare() override = default;
AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override;
private:
MetaFuncGraphPtr grad_op_;
MetaFuncGraphPtr unpack_op_;
};
} // namespace irpass
} // namespace opt
} // namespace mindspore
#endif // MINDSPORE_CCSRC_OPTIMIZER_IRPASS_GRAD_VAR_PREPARE_H_