[llvm] AArch64: Select FCANONICALIZE (PR #104429)

[David Green via llvm-commits]

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@@ -880,6 +880,8 @@ AArch64TargetLowering::AArch64TargetLowering(const TargetMachine &TM,
       setOperationAction(Op, MVT::f16, Legal);
   }
   // clang-format on
+  if (!Subtarget->hasFullFP16())
+    setOperationPromotedToType(ISD::FCANONICALIZE, MVT::f16, MVT::f32);
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davemgreen wrote:

Can this be added to LegalizeNarrowFP? I think that f32 is the default promotion type for f16.

https://github.com/llvm/llvm-project/pull/104429