[PATCH] D31120: [InstCombine] Teach SimplifyDemandedUseBits that adding or subtractings 0s from every bit below the highest demanded bit can be simplified

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 21 16:52:33 PDT 2017

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craig.topper added a comment.

Yeah I saw that. Should we add a debug counter around the top level worklist loop? The semantics of the "skip" part of the counter wouldn't make sense though.


https://reviews.llvm.org/D31120

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