trevor-m opened a new pull request #7446:
URL: https://github.com/apache/tvm/pull/7446


   The previous implementation of reshape in the Keras frontend attempted to 
map the target shape, which is specified in NHWC format, to NCHW format. 
However, this approach had many limitations of what reshapes can be supported 
and introduced some complicated logic.
   
   Instead, I am proposing to just transpose input to NHWC, apply the 
unmodified reshape, then transpose back to NCHW. This is simpler and can 
support more reshapes which are valid in keras.
   
   I added some test cases for reshapes which were not supported in the 
previous implementation, but are now possible.


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