wrongtest-intellif commented on PR #17411:
URL: https://github.com/apache/tvm/pull/17411#issuecomment-2372715743
> do u mind leave a quick comment about what will happen without this PR
In the main branch, this case's indices would not change after narrowing
with i32.
```python
@T.prim_func
def before(A: T.Buffer((16,), "int64")):
for i in range(T.int64(15)):
A[i + T.int64(1)] = A[i] + T.int64(1)
```
The deduction chain is like below:
1. A[i] + T.int64(1) -> 64b
2. A[i] -> 64b
3. indices of load A -> 64b (here is the issue)
4. i -> requires 64b
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