[llvm] [NVPTX] Make i16x2 a native type and add supported vec instructions (PR #65432)

[Artem Belevich via llvm-commits]

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@@ -2470,7 +2541,7 @@ SDValue NVPTXTargetLowering::LowerLOAD(SDValue Op, SelectionDAG &DAG) const {
 
   // v2f16 is legal, so we can't rely on legalizer to handle unaligned
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Artem-B wrote:

Comment needs updating.

https://github.com/llvm/llvm-project/pull/65432