[PATCH] D148533: ValueTracking: Improve trunc handling in computeKnownFPClass

[Jay Foad via Phabricator via llvm-commits]

foad accepted this revision.
foad added inline comments.
This revision is now accepted and ready to land.


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Comment at: llvm/lib/Analysis/ValueTracking.cpp:4698
         computeKnownFPClass(II->getArgOperand(0), DemandedElts,
                             InterestedClasses, KnownSrc, Depth + 1, Q, TLI);
 
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If InterestedClasses includes Zero you should add Subnormal and Normal.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D148533/new/

https://reviews.llvm.org/D148533