diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -1072,10 +1072,10 @@
     SDNode *N = Nodes.pop_back_val();
     for (auto *U : N->uses()) {
       auto UId = U->getNodeId();
-      if (UId > 0) {
-        InvalidateNodeId(U);
-        Nodes.push_back(U);
-      }
+      if (UId <= 0)
+        continue;
+      InvalidateNodeId(U);
+      Nodes.push_back(U);
     }
   }
 }