forked from huawei/mindspore2022
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef MINDSPORE_CCSRC_OPTIMIZER_IRPASS_PARTIAL_ELIMINATE_H_
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#define MINDSPORE_CCSRC_OPTIMIZER_IRPASS_PARTIAL_ELIMINATE_H_
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#include <vector>
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#include <algorithm>
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#include <memory>
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#include "optimizer/irpass.h"
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#include "optimizer/optimizer.h"
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#include "ir/visitor.h"
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#include "operator/ops.h"
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namespace mindspore {
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namespace opt {
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namespace irpass {
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// {{prim::kPrimPartial, X, Xs}, Ys} -> {X, Xs, Ys}
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class PartialEliminater : public AnfVisitor {
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public:
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AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
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if (!node->isa<CNode>() || node->func_graph() == nullptr) {
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return nullptr;
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}
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Xs_.clear();
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auto &inputs = node->cast<CNodePtr>()->inputs();
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Visit(inputs[0]);
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if (Xs_.size() == 0) {
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return nullptr;
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}
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// {X, Xs, Ys}
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std::vector<AnfNodePtr> args{};
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(void)std::copy(Xs_.begin(), Xs_.end(), std::back_inserter(args));
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(void)std::copy(inputs.begin() + 1, inputs.end(), std::back_inserter(args));
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TraceManager::DebugTrace(std::make_shared<TracePartialTransform>(node->debug_info()));
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auto new_node = node->func_graph()->NewCNode(args);
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TraceManager::EndTrace();
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return new_node;
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}
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void Visit(const AnfNodePtr &node) override {
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if (!IsPrimitiveCNode(node, prim::kPrimPartial)) {
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return;
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}
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auto &inputs = node->cast<CNodePtr>()->inputs();
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// {prim::kPrimPartial, X, Xs}
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if (inputs.size() < 2) {
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return;
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}
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// fill Xs
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(void)std::copy(inputs.begin() + 1, inputs.end(), std::back_inserter(Xs_));
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}
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private:
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std::vector<AnfNodePtr> Xs_{};
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};
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} // namespace irpass
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} // namespace opt
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_OPTIMIZER_IRPASS_PARTIAL_ELIMINATE_H_
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