[PATCH] D146142: InstCombine: Fold is.fpclass nan|zero to fcmp ueq 0

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: jcranmer-intel, foad, kpn, sepavloff, scanon, cameron.mcinally, andrew.w.kaylor.
Herald added subscribers: StephenFan, hiraditya.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a project: LLVM.

https://reviews.llvm.org/D146142

Files:
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/test/Transforms/InstCombine/combine-is.fpclass-and-fcmp.ll
  llvm/test/Transforms/InstCombine/create-class-from-logic-fcmp.ll
  llvm/test/Transforms/InstCombine/is_fpclass.ll

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