roastduck opened a new pull request #5665:
URL: https://github.com/apache/incubator-tvm/pull/5665
For `if (likely(x))`, `x` rather than `likely(x)` should be fed into the
analyzer as a constraint.
This changes helps `tir.transform.Simplify` simplify
```
// attr [iter_var(threadIdx.x, , threadIdx.x)] thread_extent = 32
// attr [iter_var(threadIdx.y, , threadIdx.y)] thread_extent = 32
if (likely((((threadIdx.x*32) + threadIdx.y) < {n|n>=0}))) {
if (likely((((threadIdx.x*32) + threadIdx.y) < {n|n>=0}))) {
A[threadIdx.x] = C[((threadIdx.x*32) + threadIdx.y)]
}
}
```
into
```
// attr [iter_var(threadIdx.x, , threadIdx.x)] thread_extent = 32
// attr [iter_var(threadIdx.y, , threadIdx.y)] thread_extent = 32
if (likely((((threadIdx.x*32) + threadIdx.y) < {n|n>=0}))) {
A[threadIdx.x] = C[((threadIdx.x*32) + threadIdx.y)]
}
```
I added this case as a new test.
@tqchen
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