[PATCH] D139320: ValueTracking: Document some difficult isKnownNeverInfinity cases

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
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Add a comment and some negative tests. I'd like to have test coverage
and explicit handling of all the math operations for clarity.


https://reviews.llvm.org/D139320

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstSimplify/floating-point-compare.ll

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