masahi commented on PR #13532:
URL: https://github.com/apache/tvm/pull/13532#issuecomment-1352627955
> One workaround for now is disabling CSE-TIR
Yup can confirm that disabling TIR CSE fixes this issue. Turns out the
combination of CSE + `SplitHostDevice` is generating a signature like this
```
extern "C" __global__ void __launch_bounds__(256) main_kernel2(half*
__restrict__ inverse, half* __restrict__ bgemm, half cse_var_12, half
cse_var_10, half cse_var_3, half cse_var_9, half cse_var_5, half cse_var_8,
half cse_var_15, half cse_var_7, half cse_var_6) {
```
and I'm not sure if this is a good idea.
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