[PATCH] D151937: InstCombine: Recognize fabs as bitcasted integer

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: foad, jcranmer-intel, spatel, aarzee, scanon, majnemer, mehdi_amini, nikic, andrew.w.kaylor, sepavloff, resistor, efriedma.
Herald added subscribers: StephenFan, hiraditya.
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In the past we sort of pretended float might be implementable
as a non-IEEE type but that never realistically would work. Exotic
FP types would need to be added to the IR. Turning these
into FP operations enables FP tracking optimizations.


https://reviews.llvm.org/D151937

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  llvm/test/Transforms/InstCombine/fabs-as-int.ll

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