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graphengine/ge/graph/passes/control_trigger_pass.h

62 lines
2.3 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 GE_GRAPH_PASSES_CONTROL_TRIGGER_PASS_H_
#define GE_GRAPH_PASSES_CONTROL_TRIGGER_PASS_H_
#include <set>
#include <string>
#include <unordered_map>
#include <utility>
#include "inc/graph_pass.h"
namespace ge {
enum ControlNodeType {
kNotControlOp,
kCondSwitch,
kCondMerge,
kLoopSwitchT,
kLoopSwitchF,
kEnter,
kInvalidType
};
class ControlTriggerPass : public GraphPass {
public:
Status Run(ComputeGraphPtr graph);
Status ClearStatus() override;
private:
Status HandleDynamicCtrlEdges(ComputeGraphPtr &graph, NodePtr &node, NodePtr &in_ctrl_node);
Status FindSwitchNode(const NodePtr &node, NodePtr &switch_node, bool &branch_flag);
ControlNodeType TransferNodeType(const NodePtr &node, uint32_t index);
void GetInNodes(const NodePtr &node, std::set<std::pair<NodePtr, uint32_t>> &in_nodes);
Status InsertOppositeBranch(ComputeGraphPtr &graph, NodePtr &node, NodePtr &in_ctrl_node, NodePtr &switch_node,
bool branch_flag);
NodePtr InsertMergeNode(ComputeGraphPtr &graph, NodePtr &node, NodePtr &in_ctrl_node, const GeTensorDesc &data_desc);
NodePtr InsertConstNode(ComputeGraphPtr &graph, NodePtr &merge_node, const GeTensorDesc &data_desc, bool flag);
NodePtr InsertIdentityNode(ComputeGraphPtr &graph, const std::string &name, const GeTensorDesc &data_desc);
Status FindPredInput(const NodePtr &switch_node);
// <switch_node, pred_node>
std::unordered_map<NodePtr, NodePtr> switch_cond_map_;
// <ControlTrigger, <pred_node, {const_f, const_t}>>
std::unordered_map<NodePtr, std::unordered_map<NodePtr, std::pair<NodePtr, NodePtr>>> control_trigger_map_;
};
} // namespace ge
#endif // GE_GRAPH_PASSES_CONTROL_TRIGGER_PASS_H_