guan404ming opened a new pull request, #19842:
URL: https://github.com/apache/tvm/pull/19842
## Why
relax.nn.conv{1,2,3}d_transpose with dilation > 1 silently bailed in
legalize and then crashed in VM codegen with an opaque error (#19694).
## How
- Lower dilation > 1 by zero-filling (dilating) the kernel, then reusing the
existing TOPI transposed-conv compute (1D/2D/3D).
- Replace remaining silent bails for non-NCHW layouts and out_layout !=
data_layout with clear OpNotImplemented errors; will try to follow up with a
layout-sandwich so those configs lower too.
- Add a 2D-dilation structural test plus a layout/out_layout raises test.
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