47 lines
1.5 KiB
Python
47 lines
1.5 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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from mo.graph.graph import Graph
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from mo.middle.replacement import MiddleReplacementPattern
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class UselessSplitEraser(MiddleReplacementPattern):
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enabled = True
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def run_after(self):
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from extensions.middle.pass_separator import PreMiddleStart
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return [PreMiddleStart]
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def run_before(self):
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from extensions.middle.pass_separator import MiddleStart
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return [MiddleStart]
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def pattern(self):
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return dict(
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nodes=[('split', {'op': 'Split', 'num_splits': 1})],
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edges=[]
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)
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def replace_pattern(self, graph: Graph, match: dict):
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node = match['split']
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name = node.soft_get('name', node.id)
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assert node.soft_get('input_port', 0) == 0, \
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'Internal attribute `input_port` was not resolved on front phase, broken Split {}'.format(name)
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assert len(node.out_ports()) == 1
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node.out_port(0).get_connection().set_source(node.in_port(0).get_connection().get_source())
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