[PATCH] D139317: ValueTracking: Teach isKnownNeverInfinity about sqrt
Kevin P. Neal via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Dec 5 13:46:49 PST 2022
kpn accepted this revision.
kpn added a comment.
This revision is now accepted and ready to land.
I believe this is correct. I'm looking at n3054 Annex F and it says that sqrt(+inf) returns +inf. But since you are checking that the input cannot be inf it follows that the output cannot be inf.
LGTM
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https://reviews.llvm.org/D139317/new/
https://reviews.llvm.org/D139317
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