[clang] [llvm] [SystemZ] Support fp16 vector ABI and basic codegen. (PR #171066)

[Matt Arsenault via cfe-commits]

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@@ -6952,33 +7058,6 @@ SDValue SystemZTargetLowering::lower_INT_TO_FP(SDValue Op,
   return Op; // Legal
 }
 
-// Shift the lower 2 bytes of Op to the left in order to insert into the
-// upper 2 bytes of the FP register.
-static SDValue convertToF16(SDValue Op, SelectionDAG &DAG) {
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arsenm wrote:

Pre-commit the NFC move of these functions?

https://github.com/llvm/llvm-project/pull/171066