def find_and_replace_pattern(self, graph: Graph):
graph.stage = 'front'
for node_id in graph.nodes(data=False):
node = Node(graph, node_id)
inputs = node.get_sorted_inputs()
outputs = node.get_sorted_outputs()
in_ports_count = node.in_ports_count if node.has_valid(
'in_ports_count') else len(inputs)
out_ports_count = node.out_ports_count if node.has_valid(
'out_ports_count') else len(outputs)
if len(outputs) > out_ports_count > 1:
raise Error("Node {} has more children than it should: " +
"should be {} but there is {}".format(
node_id, out_ports_count, len(outputs)))
node['_in_ports'] = {}
node['_out_ports'] = {}
if in_ports_count is not None:
for idx in range(in_ports_count):
node.add_input_port(idx=idx)
if out_ports_count is not None:
for idx in range(out_ports_count):
node.add_output_port(idx=idx)
idx = 0
for in_node_id, edge_attrs in inputs:
graph.remove_edge(in_node_id, node_id)
if len(Node(graph, in_node_id).out_ports()) == 0:
Node(graph, in_node_id).add_output_port(0)
in_node = Node(graph, in_node_id)
in_node.out_port(edge_attrs['out']).connect(node.in_port(idx))
# need to keep this attribute in edge for correct .mapping file generation and
# for generation of "names" field in IR
in_node.out_edge(
edge_attrs['out']
)['fw_tensor_debug_info'] = edge_attrs['fw_tensor_debug_info']
if idx < in_ports_count - 1:
idx = idx + 1
idx = 0
for out_node_id, edge_attrs in outputs:
graph.remove_edge(node_id, out_node_id)
if len(Node(graph, out_node_id).in_ports()) == 0:
Node(graph, out_node_id).add_input_port(0)
node.out_port(idx).connect(
Node(graph, out_node_id).in_port(edge_attrs['in']))
# need to keep this attribute in edge for correct .mapping file generation and
# for generation of "names" field in IR
node.out_edge(idx)['fw_tensor_debug_info'] = edge_attrs[
'fw_tensor_debug_info']
if idx < out_ports_count - 1:
idx = idx + 1
