[LegalizeTypes] Use UpdateNodeOperands in SoftPromoteHalfOp_STACKMAP/PATCHPOINT. (llvm#165927)

Author: topperc

llvm/lib/CodeGen/SelectionDAG/LegalizeFloatTypes.cpp

@@ -3957,28 +3957,14 @@ SDValue DAGTypeLegalizer::SoftPromoteHalfOp_ATOMIC_STORE(SDNode *N,
 SDValue DAGTypeLegalizer::SoftPromoteHalfOp_STACKMAP(SDNode *N, unsigned OpNo) {
   assert(OpNo > 1); // Because the first two arguments are guaranteed legal.
   SmallVector<SDValue> NewOps(N->ops());
-  SDValue Op = N->getOperand(OpNo);
-  NewOps[OpNo] = GetSoftPromotedHalf(Op);
-  SDValue NewNode =
-      DAG.getNode(N->getOpcode(), SDLoc(N), N->getVTList(), NewOps);
-
-  for (unsigned ResNum = 0; ResNum < N->getNumValues(); ResNum++)
-    ReplaceValueWith(SDValue(N, ResNum), NewNode.getValue(ResNum));
-
-  return SDValue(); // Signal that we replaced the node ourselves.
+  NewOps[OpNo] = GetSoftPromotedHalf(NewOps[OpNo]);
+  return SDValue(DAG.UpdateNodeOperands(N, NewOps), 0);
 }
 
 SDValue DAGTypeLegalizer::SoftPromoteHalfOp_PATCHPOINT(SDNode *N,
                                                        unsigned OpNo) {
   assert(OpNo >= 7);
   SmallVector<SDValue> NewOps(N->ops());
-  SDValue Op = N->getOperand(OpNo);
-  NewOps[OpNo] = GetSoftPromotedHalf(Op);
-  SDValue NewNode =
-      DAG.getNode(N->getOpcode(), SDLoc(N), N->getVTList(), NewOps);
-
-  for (unsigned ResNum = 0; ResNum < N->getNumValues(); ResNum++)
-    ReplaceValueWith(SDValue(N, ResNum), NewNode.getValue(ResNum));
-
-  return SDValue(); // Signal that we replaced the node ourselves.
+  NewOps[OpNo] = GetSoftPromotedHalf(NewOps[OpNo]);
+  return SDValue(DAG.UpdateNodeOperands(N, NewOps), 0);
 }