[PATCH] D28927: [ValueTracking] Add comment that CannotBeOrderedLessThanZero does the wrong thing for powi.

Eli Friedman via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Jan 19 17:17:15 PST 2017

efriedma added a comment.

https://reviews.llvm.org/D28926 provides perfectly clear definitions of what those functions are supposed to return; if something is wrong, just fix it (or file a bug).  From your description, it sounds like we need to split "SignBitOnly" into "NegZeroSignBitSignificant" and "NanSignBitSignificant"?


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