diff --git a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
index a2e8134..956b706 100644
--- a/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/llvm/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -498,8 +498,7 @@
     MachineInstr *UseMI = &*UI;
     if (UseMI == MI || UseMI->getParent() != MBB)
       continue;
-    DenseMap<MachineInstr*, unsigned>::iterator DI = DistanceMap.find(UseMI);
-    if (DI != DistanceMap.end())
+    if (DistanceMap.count(UseMI))
       continue;
     if (!UI.getOperand().isKill())
       return 0;