fallback C.simplify ir_version error to C.simplify_path #336
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Fix onnxsim about simplifying larger than 2G onnx model.
It will raise an error in
C.simplify
:onnx.onnx_cpp2py_export.checker.ValidationError: The model does not have an ir_version set properly.
And it cannot be solved by downgrading the version of onnx/onnxsim/protobuf.
But we can catch this exception and treat it as equivalent to a value error about exceeding 2GB.
Then
C.simplify_path
works well now.