[PATCH] D139314: ValueTracking: Teach canCreateUndefOrPoison about FP ops

[Matt Arsenault via Phabricator via llvm-commits]

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Probably could replace the switch by marking the intrinsic definitions
with NoUndef<RetIndex>.


https://reviews.llvm.org/D139314

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/InstCombine/freeze-fp-ops.ll

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