diff --git a/llvm/lib/Transforms/Scalar/Reg2Mem.cpp b/llvm/lib/Transforms/Scalar/Reg2Mem.cpp
--- a/llvm/lib/Transforms/Scalar/Reg2Mem.cpp
+++ b/llvm/lib/Transforms/Scalar/Reg2Mem.cpp
@@ -40,6 +40,9 @@
 STATISTIC(NumPhisDemoted, "Number of phi-nodes demoted");
 
 static bool valueEscapes(const Instruction &Inst) {
+  if(Inst.getType()->isTokenTy()){
+    return false;
+  }
   const BasicBlock *BB = Inst.getParent();
   for (const User *U : Inst.users()) {
     const Instruction *UI = cast<Instruction>(U);