andykaylor wrote:
> @andykaylor @erichkeane @bcardosolopes While implementing this
> simplification, I noticed a difference compared to the previous behavior
> where the folding happened during codegen.
> ...
> After applying the new CIR simplify pass, the output is:
>
> ```mlir
> cir.case(anyof, [#cir.int<0> : !s32i, #cir.int<1> : !s32i, #cir.int<2> :
> !s32i, #cir.int<3> : !s32i, #cir.int<4> : !s32i, #cir.int<5> : !s32i]) {
> cir.break
> }
> ```
That's semantically equivalent, and I would say it's an improvement.
https://github.com/llvm/llvm-project/pull/140649
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