[llvm] [Xtensa] Implement lowering SELECT_CC, SETCC. (PR #97017)

[Sergei Barannikov via llvm-commits]

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@@ -38,3 +43,7 @@ def Xtensa_callseq_end  : SDNode<"ISD::CALLSEQ_END",   SDT_XtensaCallSeqEnd,
                                  SDNPOutGlue]>;
 
 def Xtensa_brjt: SDNode<"XtensaISD::BR_JT", SDT_XtensaBrJT, [SDNPHasChain]>;
+
+def Xtensa_select : SDNode<"XtensaISD::SELECT", SDTSelect>;
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s-barannikov wrote:

Unused node

https://github.com/llvm/llvm-project/pull/97017