[PATCH] D148674: ValueTracking: Handle frem in computeKnownFPClass

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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I barely understand what this does, but try to
handle the last case required to delete cannotBeOrderedLessThanZeroImpl.
Also improve by following fdiv handling for nans and identical operand case.


https://reviews.llvm.org/D148674

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/Attributor/nofpclass-frem.ll

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