[llvm] [InstCombine] Use the select condition to try to constant fold binops into select (PR #84696)
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Thu Jun 6 12:43:45 PDT 2024
goldsteinn wrote:
> >
> > I still don't like these things happen :( It is okay for div/rem. But I am not sure it is always a win for mul. We need to discuss this problem with other backend maintainers.
>
> I'm happy to drop this for `mul` and only keep for `div`/`rem`.
Dropped folding of multi-use `select` w/ `mul` + tests.
https://github.com/llvm/llvm-project/pull/84696
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