[GitHub] [tvm] masahi commented on a diff in pull request #15679: [Unity] Support Padding Reversal in Alter-Op pass

["masahi (via GitHub)" <gi...@apache.org>]

masahi commented on code in PR #15679:
URL: https://github.com/apache/tvm/pull/15679#discussion_r1323414157


##########
python/tvm/relax/transform/legalize_ops/manipulate.py:
##########
@@ -205,3 +213,16 @@ def te_layout_transform(data, name):
     output_dtype = call_args[0].struct_info.dtype
     output_sinfo = [TensorStructInfo(output_shape, output_dtype)]
     return call_tir(gvar, call_args, output_sinfo, tir_vars)
+
+
+@register_legalize("relax.remove_pad")
+def _remove_pad(bb: BlockBuilder, call: Call) -> Expr:
+    orig_shape = call.attrs.orig_shape
+
+    def te_remove_pad(data):
+        """
+        Returns a new compute that restrict the original expression to the shape of orig_shape
+        """
+        return te.compute(orig_shape, data, name="te_remove_pad")

Review Comment:
   How do you know that this removes the correct padded values?



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