forked from huawei/mindspore2022
111 lines
3.1 KiB
C++
111 lines
3.1 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_REF_ELIMINATE_H_
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#define MINDSPORE_CCSRC_OPTIMIZER_IRPASS_REF_ELIMINATE_H_
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#include <memory>
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#include "optimizer/optimizer.h"
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#include "optimizer/irpass.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::kPrimMakeRef, X, Y, Z} -> Y
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class MakeRefEliminater : public AnfVisitor {
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public:
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AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
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y_ = nullptr;
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auto gety = [this](const AnfNodePtr &node) -> bool {
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this->y_ = node;
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return true;
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};
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AnfVisitor::Match(prim::kPrimMakeRef, {IsNode, gety, IsNode})(node);
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return y_;
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}
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void Visit(const AnfNodePtr &) override {}
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private:
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AnfNodePtr y_{nullptr};
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};
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// {prim::kPrimGetRefKey, {prim::kPrimMakeRef, X, Y, Z}} -> X
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// {prim::kPrimGetRefValue, {prim::kPrimMakeRef, X, Y, Z}} -> Y
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// {prim::kPrimGetRefOrigin, {prim::kPrimMakeRef, X, Y, Z}} -> Z
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class GetMakeRefEliminater : public AnfVisitor {
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public:
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AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
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auto cnode = node->cast<CNodePtr>();
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if (cnode == nullptr || cnode->size() != 2) {
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return nullptr;
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}
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// {prim::kPrimGetRefKey/Value, {...}}
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auto ref = cnode->input(1)->cast<CNodePtr>();
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if (ref == nullptr || !ref->IsApply(prim::kPrimMakeRef) || ref->size() != 4) {
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return nullptr;
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}
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// {prim::kPrimMakeRef, X, Y, Z}
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if (cnode->IsApply(prim::kPrimGetRefKey)) {
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return ref->input(1);
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}
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if (cnode->IsApply(prim::kPrimGetRefValue)) {
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return ref->input(2);
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}
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if (cnode->IsApply(prim::kPrimGetRefOrigin)) {
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return ref->input(3);
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}
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return nullptr;
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}
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};
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// IsValueNode<RefKey>
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class ReplaceRefkeyByParam : public AnfVisitor {
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public:
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AnfNodePtr operator()(const OptimizerPtr &optimizer, const AnfNodePtr &node) override {
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if (!IsValueNode<RefKey>(node)) {
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return nullptr;
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}
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auto refkey = GetValueNode<RefKeyPtr>(node);
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auto resource = std::dynamic_pointer_cast<pipeline::Resource>(optimizer->resource());
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MS_EXCEPTION_IF_NULL(resource);
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auto top_graph = resource->func_graph();
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MS_EXCEPTION_IF_NULL(top_graph);
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for (const auto &tnode : top_graph->parameters()) {
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auto para = tnode->cast<ParameterPtr>();
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if (para != nullptr && para->name() == refkey->tag()) {
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return para;
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}
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}
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return nullptr;
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}
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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_REF_ELIMINATE_H_
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