[PATCH] D147871: ValueTracking: Implement computeKnownFPClass for sqrt
Joshua Cranmer via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Apr 14 12:20:15 PDT 2023
jcranmer-intel added inline comments.
================
Comment at: llvm/lib/Analysis/ValueTracking.cpp:4449
+
+ // Any negative value besides -0 returns a nan.
+ if (KnownSrc.isKnownNeverNaN() && KnownSrc.SignBit &&
----------------
This also includes -subnormal in DAZ=preserve-sign mode.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D147871/new/
https://reviews.llvm.org/D147871
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