[AlterLayout] Strided slice layout transform fix (disallow NCHW4c -> NCHW etc properly) #9245
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Fix #8759
Looking at
StridedSliceInferCorrectLayout
, I believe we do not allow propagating a new layout throughstrided_slice
if the original layout is a packed one such asNCHW4c
and the new layout is unpacked one, seetvm/src/relay/op/tensor/transform.cc
Lines 2639 to 2641 in 7deebc6
cc @vinx13 who wrote this code.