forked from huawei/mindspore2022
53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/**
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* Copyright 2020-2022 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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#include "frontend/optimizer/graph_transform.h"
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#include <vector>
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#include <algorithm>
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#include "ir/graph_utils.h"
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namespace mindspore {
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/* namespace to support opt */
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namespace opt {
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bool FuncGraphHasTupleInput(const FuncGraphPtr &fg) {
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auto is_tuple = [](const AnfNodePtr ¶m) {
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return param->abstract() != nullptr && param->abstract()->isa<abstract::AbstractTuple>();
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};
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return std::any_of(fg->parameters().cbegin(), fg->parameters().cend(), is_tuple);
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}
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std::vector<AnfNodePtr> TransformTupleArgument(const FuncGraphPtr &fg, const AnfNodePtr &node,
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const abstract::AbstractTuplePtr &abs) {
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auto &elements = abs->elements();
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std::vector<AnfNodePtr> tuple_node_expanded;
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for (size_t i = 0; i < elements.size(); i++) {
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auto idx = NewValueNode(SizeToLong(i));
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auto abstract_scalar = std::make_shared<abstract::AbstractScalar>(std::make_shared<Int64Imm>(SizeToLong(i)));
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idx->set_abstract(abstract_scalar);
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auto elem_node = fg->NewCNode({NewValueNode(prim::kPrimTupleGetItem), node, idx});
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elem_node->set_abstract(elements[i]);
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if (elements[i]->isa<abstract::AbstractTuple>()) {
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auto nodes = TransformTupleArgument(fg, elem_node, elements[i]->cast<abstract::AbstractTuplePtr>());
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tuple_node_expanded.insert(tuple_node_expanded.end(), nodes.begin(), nodes.end());
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} else {
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tuple_node_expanded.push_back(elem_node);
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}
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}
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return tuple_node_expanded;
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}
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} // namespace opt
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} // namespace mindspore
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