[clang] LoongArch fp16,fp128 basic support (PR #68851)

[WÁNG Xuěruì via cfe-commits]

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@@ -214,6 +214,13 @@ LoongArchTargetLowering::LoongArchTargetLowering(const TargetMachine &TM,
       setOperationAction(ISD::FRINT, MVT::f64, Legal);
   }
 
+  setOperationAction(ISD::FP16_TO_FP,        MVT::f32,   Expand);
+  setOperationAction(ISD::FP_TO_FP16,        MVT::f32,   Expand);
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xen0n wrote:

Please shrink those whitespaces; I believe that's what triggered the style checker. (After the transition away from Phabricator/Arcanist workflow, you have to set up your own auto-formatting and/or pre-commit linting hooks.)

https://github.com/llvm/llvm-project/pull/68851