tqchen commented on PR #17216:
URL: https://github.com/apache/tvm/pull/17216#issuecomment-2259211572
Just want to note that it is not always possible to do such inference.
```python
class IRModule:
@T.prim_func
def reshape(A : Buffer((2, 4)), B: Buffer((n, m)):
def main(A: Buffer((2, 4))):
lv0 = R.call_tir(reshape, [A], R.Tensor((1, 8)))
```
For example, the above code is a valid tir call, but needs the output sinfo
to be explicitly specified. Because we have such cases, and `call_tir` is a
lower level function, it is safer to always ask for sinfo, but checks its
consistency with the corresponding prim_func signature if needed
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