""" Copyright (C) 2018-2020 Intel Corporation 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. """ from mo.front.common.replacement import FrontReplacementPattern from mo.graph.graph import Graph from mo.ops.memoryoffset import MemoryOffset from mo.ops.result import Result class SplitMemoryOffsets(FrontReplacementPattern): ''' Split MemoryOffsets in 2 parts to cut cycles ''' enabled = True run_not_recursively = True def run_after(self): from extensions.front.restore_ports import RestorePorts return [RestorePorts] def pattern(self): return dict( nodes=[ ('mem_offset', dict(kind='op', op='MemoryOffset', splitted=False)) ], edges=[] ) @staticmethod def replace_pattern(graph: Graph, match: dict): offset_node = match['mem_offset'] paired_node = MemoryOffset(graph, {'name': offset_node.pair_name, 'splitted': True, 'pair_name': offset_node.id, 't': offset_node.t, 'has_default': offset_node.has_default}).create_node() offset_node['splitted'] = True offset_node.out_port(0).get_connection().set_source(paired_node.out_port(0)) res_node = Result(graph, {'name': offset_node.id+"_output"}).create_node() offset_node.out_port(0).connect(res_node.in_port(0))