[llvm] CodeGen: Add ISD::AssertNoFPClass (PR #138839)

[Matt Arsenault via llvm-commits]

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@@ -3607,6 +3630,21 @@ SDValue DAGTypeLegalizer::SoftPromoteHalfRes_UnaryOp(SDNode *N) {
   return DAG.getNode(GetPromotionOpcode(NVT, OVT), dl, MVT::i16, Res);
 }
 
+SDValue DAGTypeLegalizer::SoftPromoteHalfRes_UnaryOpExt1(SDNode *N) {
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arsenm wrote:

Directly name the one operation this supports 

https://github.com/llvm/llvm-project/pull/138839