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graphengine/ge/graph/passes/enter_pass.cc

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