[PATCH] D109155: [InstCombine] Fold BW/2+1 tops bits are same pattern

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.

Yeah, that was what I thought about the now-half-width-cases. The maths doesn't work at as well, and they at least feel like a different case to me.


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  https://reviews.llvm.org/D109155/new/

https://reviews.llvm.org/D109155