[llvm] [NVPTX] Add support for f16 fabs (PR #116107)

[Artem Belevich via llvm-commits]

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@@ -864,10 +864,15 @@ NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM,
     AddPromotedToType(Op, MVT::bf16, MVT::f32);
   }
   for (const auto &Op : {ISD::FABS}) {
-    setOperationAction(Op, MVT::f16, Promote);
     setOperationAction(Op, MVT::f32, Legal);
     setOperationAction(Op, MVT::f64, Legal);
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Artem-B wrote:

Yes. sm_20 is the oldest supported variant. We should officially deprecate it and start removing support for it, as NVIDIA dropped support for it in 2018 (https://nvidia.custhelp.com/app/answers/detail/a_id/4654).


https://github.com/llvm/llvm-project/pull/116107