[PATCH] D82292: [SelectionDAG] Lower @llvm.get.active.lane.mask to setcc

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

In general, you need to overflow check the increment.  (In lanes where it overflows, we should return false.)


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  https://reviews.llvm.org/D82292/new/

https://reviews.llvm.org/D82292