Lunderberg commented on PR #77:
URL: https://github.com/apache/tvm-rfcs/pull/77#issuecomment-1163510231

   > It doesn't add additional semantic, the computation semantic stays the 
same, it is a hint to the graph compiler.
   
   My apologies, I had meant the semantics of a node from the perspective of a 
TIR transformation, not the semantics from the perspective of the computation 
being described.  For a TIR transformation, if an object is replaced, whatever 
attributes describe that object must be updated to refer to the new object.  So 
if constraints are added to the block annotation, I had been thinking of that 
as a change to the semantics of the `BlockRealizeNode::annotations` from "does 
not need to be updated when a buffer is replaced" to "must be updated when a 
buffer is replaced".


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