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70 lines
2.2 KiB
70 lines
2.2 KiB
/**
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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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#include "graph/passes/enter_pass.h"
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#include "framework/common/debug/ge_log.h"
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#include "framework/common/debug/log.h"
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#include "graph/utils/graph_utils.h"
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namespace ge {
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Status EnterPass::Run(NodePtr &node) {
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GELOGD("EnterPass running");
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if (node == nullptr) {
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GELOGE(PARAM_INVALID, "param [node] must not be null.");
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return PARAM_INVALID;
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}
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if ((node->GetType() != ENTER) && (node->GetType() != REFENTER)) {
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return SUCCESS;
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}
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// enter node has only one input
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if (node->GetInDataNodes().empty()) {
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GELOGE(PARAM_INVALID, "enter_node %s has no input", node->GetName().c_str());
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return PARAM_INVALID;
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}
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NodePtr in_node = node->GetInDataNodes().at(0);
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if (in_node == nullptr) {
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GELOGE(PARAM_INVALID, "param [in_node] must not be null");
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return PARAM_INVALID;
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}
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if ((in_node->GetType() != CONSTANT) && (in_node->GetType() != CONSTANTOP)) {
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return SUCCESS;
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}
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bool need_remove_flag = in_node->GetInControlNodes().empty() &&
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node->GetInControlNodes().empty() &&
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node->GetOutDataNodes().empty();
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if (need_remove_flag) {
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for (auto &out_ctrl_node : node->GetOutControlNodes()) {
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if (out_ctrl_node == nullptr) {
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continue;
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}
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if (GraphUtils::RemoveEdge(node->GetOutControlAnchor(), out_ctrl_node->GetInControlAnchor()) != GRAPH_SUCCESS) {
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GELOGE(FAILED, "Remove Enter ctrl output fail, %s->%s",
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node->GetName().c_str(), out_ctrl_node->GetName().c_str());
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return FAILED;
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}
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}
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}
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GELOGD("EnterPass success");
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return SUCCESS;
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}
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} // namespace ge
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