[llvm] [PowerPC] Deprecate uses of ISD::ADDC/ISD::ADDE/ISD::SUBC/ISD::SUBE (PR #116984)

[Maryam Moghadas via llvm-commits]

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@@ -18267,11 +18337,14 @@ static SDValue combineADDToADDZE(SDNode *N, SelectionDAG &DAG,
     SDValue Add = DAG.getNode(ISD::ADD, DL, MVT::i64, Z,
                               DAG.getConstant(NegConstant, DL, MVT::i64));
     SDValue AddOrZ = NegConstant != 0 ? Add : Z;
-    SDValue Subc = DAG.getNode(ISD::SUBC, DL, DAG.getVTList(MVT::i64, MVT::Glue),
-                               DAG.getConstant(0, DL, MVT::i64), AddOrZ);
-    return DAG.getNode(ISD::ADDE, DL, VTs, LHS, DAG.getConstant(0, DL, MVT::i64),
-                       SDValue(Subc.getNode(), 1));
-    }
+    SDValue Subc =
+        DAG.getNode(ISD::USUBO, DL, DAG.getVTList(MVT::i64, CarryType),
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maryammo wrote:

ISD::USUBO --> ISD::USUBO_CARRY ? 

https://github.com/llvm/llvm-project/pull/116984