diff --git a/llvm/lib/CodeGen/LiveDebugVariables.cpp b/llvm/lib/CodeGen/LiveDebugVariables.cpp
index 75527fa..3ff03ec 100644
--- a/llvm/lib/CodeGen/LiveDebugVariables.cpp
+++ b/llvm/lib/CodeGen/LiveDebugVariables.cpp
@@ -307,7 +307,7 @@
 
   /// splitRegister - Replace OldReg ranges with NewRegs ranges where NewRegs is
   /// live. Returns true if any changes were made.
-  bool splitRegister(unsigned OldLocNo, ArrayRef<unsigned> NewRegs,
+  bool splitRegister(unsigned OldReg, ArrayRef<unsigned> NewRegs,
                      LiveIntervals &LIS);
 
   /// rewriteLocations - Rewrite virtual register locations according to the