Arm backend: Add support for grouped convolution #11817
Merged
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Grouped convolution is lowered as separate convolutions on different slices of the input and weights in a new DecomposeGroupedConv pass. Tested in two new tests in test_conv2d.
Fuse constant ops pass is additionally updated to make sure all removed placeholders are deleted.
cc @digantdesai @freddan80 @per @zingo @oscarandersson8218