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mindspore/mindspore/ccsrc/optimizer/irpass/ref_eliminate.h

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3.4 KiB

/**
* 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_REF_ELIMINATE_H_
#define MINDSPORE_CCSRC_OPTIMIZER_IRPASS_REF_ELIMINATE_H_
#include <memory>
#include "ir/pattern_matcher.h"
#include "optimizer/irpass.h"
#include "optimizer/optimizer.h"
namespace mindspore {
namespace opt {
namespace irpass {
// {prim::kPrimMakeRef, X, Y, Z} -> Y
class MakeRefEliminater : public OptimizerCaller {
public:
AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
PatternNode<AnfNodePtr> x, y, z;
MATCH_REPLACE(node, PPrimitive(prim::kPrimMakeRef, x, y, z), y);
return nullptr;
}
};
// {prim::kPrimGetRefValue, Parameter} -> Parameter
// {prim::kPrimGetRefOrigin, Parameter} -> Parameter
class GetRefParamEliminater : public OptimizerCaller {
public:
AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
PatternNode<AnfNodePtr> x;
MATCH_REPLACE_IF(node, PPrimitive(prim::kPrimGetRefValue, x), x, x.CheckFunc(IsParam, node));
MATCH_REPLACE_IF(node, PPrimitive(prim::kPrimGetRefOrigin, x), x, x.CheckFunc(IsParam, node));
return nullptr;
}
};
// {prim::kPrimGetRefKey, {prim::kPrimMakeRef, X, Y, Z}} -> X
// {prim::kPrimGetRefValue, {prim::kPrimMakeRef, X, Y, Z}} -> Y
// {prim::kPrimGetRefOrigin, {prim::kPrimMakeRef, X, Y, Z}} -> Z
class GetMakeRefEliminater : public OptimizerCaller {
public:
AnfNodePtr operator()(const OptimizerPtr &, const AnfNodePtr &node) override {
PatternNode<AnfNodePtr> x, y, z;
MATCH_REPLACE(node, PPrimitive(prim::kPrimGetRefKey, PPrimitive(prim::kPrimMakeRef, x, y, z)), x);
MATCH_REPLACE(node, PPrimitive(prim::kPrimGetRefValue, PPrimitive(prim::kPrimMakeRef, x, y, z)), y);
MATCH_REPLACE(node, PPrimitive(prim::kPrimGetRefOrigin, PPrimitive(prim::kPrimMakeRef, x, y, z)), z);
return nullptr;
}
};
// IsValueNode<RefKey>
class ReplaceRefkeyByParam : public OptimizerCaller {
public:
AnfNodePtr operator()(const OptimizerPtr &optimizer, const AnfNodePtr &node) override {
auto RefKeyLambda = [&node, &optimizer]() -> AnfNodePtr {
auto refkey = GetValueNode<RefKeyPtr>(node);
auto resource = std::dynamic_pointer_cast<pipeline::Resource>(optimizer->resource());
MS_EXCEPTION_IF_NULL(resource);
auto top_graph = resource->func_graph();
MS_EXCEPTION_IF_NULL(top_graph);
for (const auto &tnode : top_graph->parameters()) {
auto para = tnode->cast<ParameterPtr>();
if (para != nullptr && para->name() == refkey->tag()) {
return para;
}
}
return nullptr;
};
PatternNode<AnfNodePtr> x;
MATCH_REPLACE_LAMBDA_IF(node, x, RefKeyLambda, x.CheckFunc(IsValueNode<RefKey>, node));
return nullptr;
}
};
} // namespace irpass
} // namespace opt
} // namespace mindspore
#endif // MINDSPORE_CCSRC_OPTIMIZER_IRPASS_REF_ELIMINATE_H_