[GitHub] [tvm] ganler opened a new issue, #11895: [Bug] `concat([x], axis=1)` return random results

Fri, 24 Jun 2022 16:10:27 -0700 


ganler opened a new issue, #11895:
URL: https://github.com/apache/tvm/issues/11895

   ```python
   import tvm
   from tvm import relay
   import numpy as np
   
   x0_shape = (1, 1, 1, 1, 2)
   x1_shape = (2, 1)
   
   x1 = relay.var("x1", shape=x1_shape, dtype='int64')
   concatenate = relay.op.concatenate([x1], axis=1)
   
   f = relay.Function([x1], concatenate)
   
   x1_val = np.array([[6], [5]], dtype='int64')
   
   op_res = relay.create_executor('graph', device=tvm.cpu(), 
target='llvm').evaluate(f)(x1_val)
   print(op_res)
   print(f'should be equal to {x1_val}')
   ```
   
   ### Expected behavior
   
   `op_res` should be same as `[[6], [5]]`.
   
   ### Actual behavior
   
   1st try:
   
   
![image](https://user-images.githubusercontent.com/38074777/175721475-be886e37-476e-4785-a37f-bf4472e7420f.png)
   
   2nd try:
   
   
![image](https://user-images.githubusercontent.com/38074777/175721486-d86daa24-2ddc-459c-add6-4f0384f564f8.png)
   
   3rd try:
   
   
![image](https://user-images.githubusercontent.com/38074777/175721504-546fe35b-f747-4cef-ad2e-3a4c8e70d50c.png)
   
   
   ### Environment
   
   ed638ef6db007772cbf84b13c26836a8a53706b3 on Ubuntu 20.04.
   
   cc: @masahi 


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