34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
# Copyright (C) 2018-2021 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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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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