41 lines
1.4 KiB
Python
41 lines
1.4 KiB
Python
"""
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Copyright (C) 2018-2020 Intel Corporation
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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import logging as log
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from mo.front.common.replacement import FrontReplacementSubgraph
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from mo.graph.graph import Graph
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class StandaloneConstEraser(FrontReplacementSubgraph):
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enabled = True
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@staticmethod
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def pattern():
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return dict(
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nodes=[('const', dict(kind='op', op='Const')),
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('output', dict(kind='op', op='Result'))
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],
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edges=[('const', 'output')]
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)
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@staticmethod
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def replace_sub_graph(graph: Graph, match: dict):
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if not len(match['const'].in_edges()) and len(match['const'].out_edges()) == 1:
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graph.erase_node(match['const'])
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graph.erase_node(match['output'])
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log.info("Standalone Const node \"{}\" was removed from the graph".format(match['const'].id))
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