Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
===================================================================
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -19278,6 +19278,7 @@
   if (AddNewChain)
     TFOps.insert(TFOps.begin(), NewChain);
 
+  DAG.splitAcrossTokenFactors(SDLoc(STChain), TFOps);
   SDValue TF = DAG.getNode(ISD::TokenFactor, SDLoc(STChain), MVT::Other, TFOps);
   CombineTo(St, TF);