diff --git a/lib/CodeGen/MachineCopyPropagation.cpp b/lib/CodeGen/MachineCopyPropagation.cpp
index f96c869..17343cd 100644
--- a/lib/CodeGen/MachineCopyPropagation.cpp
+++ b/lib/CodeGen/MachineCopyPropagation.cpp
@@ -33,7 +33,7 @@
   class MachineCopyPropagation : public MachineFunctionPass {
     const TargetRegisterInfo *TRI;
     BitVector ReservedRegs;
-    
+
   public:
     static char ID; // Pass identification, replacement for typeid
     MachineCopyPropagation() : MachineFunctionPass(ID) {