roastduck opened a new pull request #5664:
URL: https://github.com/apache/incubator-tvm/pull/5664
I improved the `Simplify` transformation to remove useless `IfThenElse`
nodes. If the condition of a node can be proved true or false, the condition
will be removed. For example, TVM often emit duplicated boundary guards like
```cuda
if (threadIdx.y * 100 + threadIdx.x < 1000) {
if (threadIdx.y * 100 + threadIdx.x < 1000) {
if (threadIdx.y * 100 + threadIdx.x < 1000) {
// ...
}
}
}
```
This can now be simplified.
@tqchen
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