[llvm] [LLVM][NVPTX]Add BF16 vector instruction and fix lowering rules (PR #69415)

[Thomas Raoux via llvm-commits]

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@@ -436,6 +436,15 @@ NVPTXTargetLowering::NVPTXTargetLowering(const NVPTXTargetMachine &TM,
       case ISD::FADD:
       case ISD::FMUL:
       case ISD::FSUB:
+      case ISD::SELECT:
+      case ISD::SELECT_CC:
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ThomasRaoux wrote:

Wouldn't select always be supported? Although I don't see this function called for SELECT so I guess it does matter but it should probably be removed?

https://github.com/llvm/llvm-project/pull/69415