[PATCH] D94851: [InstCombine] Don't transform (select c, ext(TI), ext(FI)) if ext is free

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

In D94851#2507867 <https://reviews.llvm.org/D94851#2507867>, @Carrot wrote:

> Thanks for the info.
>
> I will discard this patch and reverse the pattern at function CodeGenPrepare::optimizeExt.

Not really sure why that would go into `CodeGenPrepare`, which is a temporary hack,
DAGCombine is the usual counterpart.


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https://reviews.llvm.org/D94851