// a complete mess.
SDValue Res = TLI.LowerOperation(SDValue(Node, 0), DAG);
if (Res.getNode()) {
- SmallVector<SDValue, 8> ResultVals;
- for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i) {
- if (e == 1)
- ResultVals.push_back(Res);
- else
- ResultVals.push_back(Res.getValue(i));
+ if (!(Res.getNode() != Node || Res.getResNo() != 0))
+ return;
+
+ if (Node->getNumValues() == 1) {
+ // We can just directly replace this node with the lowered value.
+ ReplaceNode(SDValue(Node, 0), Res);
+ return;
}
- if (Res.getNode() != Node || Res.getResNo() != 0)
- ReplaceNode(Node, ResultVals.data());
+
+ SmallVector<SDValue, 8> ResultVals;
+ for (unsigned i = 0, e = Node->getNumValues(); i != e; ++i)
+ ResultVals.push_back(Res.getValue(i));
+ ReplaceNode(Node, ResultVals.data());
return;
}
}