ANSHUMAN87 commented on pull request #6066:
URL: https://github.com/apache/incubator-tvm/pull/6066#issuecomment-668167439


   @kevinthesun : Thanks for your response! 
   I am familiar with the scenario you are referring for conv op. I agree to 
the possibilities of hoisting in that case.
   The same concern was raised by @roastduck too, i believe. 
   Unfortunately due to some intermediate pass dependency on the positioning of 
For and If node, i temporarily disabled this hoisting scenario with Attr 
nodes(IterVar & GlobalVar).
   
   I think it would be better, i enable this hoisting scenario too and move the 
position of Hoisting Pass to the end of list during lowering. May be after that 
we can take the performance data.
   
   Please let me know your opinion on this. TIA!


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