Files
openvino/model-optimizer/extensions/ops/assert_op.py

52 lines
1.8 KiB
Python

"""
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.graph.graph import Node, Graph
from mo.ops.op import Op
class Assert(Op):
op = 'Assert'
def __init__(self, graph: Graph, attrs: dict):
mandatory_props = {
'op': __class__.op,
'infer': Assert.assert_infer,
'cf_infer': Assert.assert_control_flow_infer
}
super().__init__(graph, mandatory_props, attrs)
@staticmethod
def assert_infer(node: Node):
assert_value = node.in_node(0).value
node.out_node().value = assert_value
node.out_node().shape = []
@staticmethod
def assert_control_flow_infer(node: Node, is_executable: bool, mark_executability: callable):
"""
Infers control flow through assert operation node. It marks output data nodes executability according to
executability of current node and assert data value
:param node: Node instance to infer control flow through
:param is_executable: if current node is executable
:param mark_executability: function to mark executability of node
"""
graph = node.graph
assert_value = node.out_node().value
for n in [v for _, v in graph.out_edges(node.id)]:
mark_executability(n, assert_value and is_executable)