comaniac commented on a change in pull request #8131:
URL: https://github.com/apache/tvm/pull/8131#discussion_r639212510



##########
File path: python/tvm/relay/op/contrib/tensorrt.py
##########
@@ -723,8 +723,12 @@ def pad_annotate_fn(expr):  # pylint: 
disable=unused-variable
     if attrs.pad_mode != "constant":
         logger.info("nn.pad: pad mode is %s but must be constant.", 
attrs.pad_mode)
         return False
-    if float(attrs.pad_value) != 0.0:
-        logger.info("nn.pad: pad value is %f but must be 0.0.", 
float(attrs.pad_value))
+    if (
+        isinstance(args[1], relay.Constant)

Review comment:
       Then this is incorrect. The implication of the if-condition is "if 
`args[1]` is not a constant then we may return True". Even you would like to 
prepare for dynamic padding, it should be like
   ```python
   assert isinstance(args[1], relay.Constant)
   if (len(args[1].checked_type.shape) == 0 and args[1].data.numpy().item() != 
0.0):
     # ...
   ```




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