Remove unused arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129844 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetLoweringObjectFile.cpp b/lib/Target/TargetLoweringObjectFile.cpp
index e0e6b6b..040e0f9 100644
--- a/lib/Target/TargetLoweringObjectFile.cpp
+++ b/lib/Target/TargetLoweringObjectFile.cpp
@@ -318,12 +318,11 @@
                                MachineModuleInfo *MMI, unsigned Encoding,
                                MCStreamer &Streamer) const {
   const MCSymbol *Sym = Mang->getSymbol(GV);
-  return getExprForDwarfReference(Sym, Mang, MMI, Encoding, Streamer);
+  return getExprForDwarfReference(Sym, Encoding, Streamer);
 }
 
 const MCExpr *TargetLoweringObjectFile::
-getExprForDwarfReference(const MCSymbol *Sym, Mangler *Mang,
-                         MachineModuleInfo *MMI, unsigned Encoding,
+getExprForDwarfReference(const MCSymbol *Sym, unsigned Encoding,
                          MCStreamer &Streamer) const {
   const MCExpr *Res = MCSymbolRefExpr::Create(Sym, getContext());