Lunderberg opened a new pull request, #11373:
URL: https://github.com/apache/tvm/pull/11373

   These came about after investigating some simplifications that may be useful 
for handling of padding introduced during padded layout transformations.
   
   - Enabled simplification of `A[i] = A[i] + 0` into no-op.  This was a bug 
introduced in https://github.com/apache/tvm/pull/9727, which applied this 
rewrite only to `A[i] = A[i]`, and not to statements which simplify to `A[i] = 
A[i]`.  Regression test added to prevent reoccurrence of this bug.
   
   - Enabled simplification of `x - x` to zero for floating point types. 
Previously, this simplification was applied only for data types that could be 
used as buffer indices.


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