diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index f0eb0982a78..90bd2af4e74 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -29,11 +29,6 @@ namespace llvm {
         typedef std::vector<unsigned> Virt2PhysMap;
         typedef std::vector<int> Virt2StackSlotMap;
 
-        enum {
-            NO_PHYS_REG   = 0,
-            NO_STACK_SLOT = INT_MAX
-        };
-
     private:
         MachineFunction* mf_;
         Virt2PhysMap v2pMap_;
@@ -50,6 +45,11 @@ namespace llvm {
             return index + MRegisterInfo::FirstVirtualRegister;
         }
 
+        enum {
+            NO_PHYS_REG   = 0,
+            NO_STACK_SLOT = INT_MAX
+        };
+
     public:
         VirtRegMap(MachineFunction& mf)
             : mf_(&mf),