24 lines
974 B
Python
24 lines
974 B
Python
# Copyright (C) 2018-2021 Intel Corporation
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# SPDX-License-Identifier: Apache-2.0
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import logging as log
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from mo.back.replacement import BackReplacementPattern
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from mo.graph.graph import Graph
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class RemoveUselessConvert(BackReplacementPattern):
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"""
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Transformation looks for the Converts layers that do not change actual tensor data type.
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The transformation is executed explicitly from the prepare_emit_ir function
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"""
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enabled = False
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run_not_recursively = True
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def find_and_replace_pattern(self, graph: Graph):
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for cast_node in graph.get_op_nodes(op='Cast'):
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if cast_node.in_port(0).get_data_type() == cast_node.out_port(0).get_data_type():
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log.debug('Convert node {} do not change the data type of the input data.'.format(cast_node.name))
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cast_node.out_port(0).get_connection().set_source(cast_node.in_port(0).get_connection().get_source())
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graph.remove_node(cast_node.id)
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