[clang] [llvm] Add support for flag output operand "=@cc" for SystemZ. (PR #125970)

[Ulrich Weigand via llvm-commits]

================
@@ -12118,12 +12117,13 @@ void SelectionDAGBuilder::lowerWorkItem(SwitchWorkListItem W, Value *Cond,
         SDValue CondLHS = getValue(Cond);
         EVT VT = CondLHS.getValueType();
         SDLoc DL = getCurSDLoc();
+        SDValue Cond;
 
         SDValue Or = DAG.getNode(ISD::OR, DL, VT, CondLHS,
                                  DAG.getConstant(CommonBit, DL, VT));
-        SDValue Cond = DAG.getSetCC(
-            DL, MVT::i1, Or, DAG.getConstant(BigValue | SmallValue, DL, VT),
-            ISD::SETEQ);
+        Cond = DAG.getSetCC(DL, MVT::i1, Or,
+                            DAG.getConstant(BigValue | SmallValue, DL, VT),
+                            ISD::SETEQ);
----------------
uweigand wrote:

All changes to this file should not be here.

https://github.com/llvm/llvm-project/pull/125970