[GitHub] [tvm] Lyken17 commented on pull request #10459: [Relay] Fix output dtype for conv2d wgrad when the original one is void

[GitBox <gi...@apache.org>]

Lyken17 commented on pull request #10459:
URL: https://github.com/apache/tvm/pull/10459#issuecomment-1057639428


   Thanks for the quick fix. How about also adding the type infer in python side?
   
   https://github.com/apache/tvm/blob/8f6fa8f2c41406cb54d01647ba8731e4ceb8f4ab/python/tvm/relay/op/_tensor_grad.py#L417-L440
   
   ```
       if attrs.out_dtype == "":
           out_dtype = data.checked_type.dtype
       backward_data = _nn.conv2d_transpose(
           grad,
           weight,
           strides=attrs.strides,
           padding=attrs.padding,
           dilation=attrs.dilation,
           groups=attrs.groups,
           output_padding=output_padding,
           out_dtype=out_dtype,
       )
   ```


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