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[Frontend][Torch] Check graph inputs match expected #4992

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merged 2 commits into from
Mar 7, 2020
Merged

[Frontend][Torch] Check graph inputs match expected #4992

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1e55c09
[Frontend][Torch] Check graph inputs match expected
jjohnson-arm Mar 5, 2020
02ccaf8
Change to use get_graph_input_names
jjohnson-arm Mar 5, 2020
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15 changes: 15 additions & 0 deletions python/tvm/relay/frontend/pytorch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -902,6 +902,20 @@ def _report_missing_conversion(op_names):
msg = "The following operators are not implemented: {}".format(missing)
raise NotImplementedError(msg)

def _check_input_names(script_module, input_shapes):
""" Check the graph inputs match the inputs """
ir_inputs = get_graph_input_names(script_module)

for ir_input in ir_inputs:
if ir_input not in input_shapes:
msg = "Missing graph input {} in input_shapes".format(ir_input)
raise RuntimeError(msg)

for input_name in input_shapes:
if input_name not in ir_inputs:
msg = "Unused graph input {} in input_shapes".format(input_name)
logging.warning(msg)


def _getattr_attr_name(node):
attribute_names = node.attributeNames()
Expand Down Expand Up @@ -1147,6 +1161,7 @@ def from_pytorch(script_module, input_shapes, custom_convert_map=None):

op_names = get_all_op_names(graph)
_report_missing_conversion(op_names)
_check_input_names(script_module, input_shapes)

params = script_module.state_dict()
input_vars = parse_inputs(graph.inputs(), input_shapes)
Expand Down