Move the Mangler from the AsmPrinter down to TLOF and clean up the
TLOF API accordingly.

llvm-svn: 281708
diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index 60505f4..17caed9 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -208,7 +208,7 @@
     return;
   }
   const TargetLoweringObjectFile *TLOF = getObjFileLowering();
-  TLOF->getNameWithPrefix(Name, GV, Mang, *this);
+  TLOF->getNameWithPrefix(Name, GV, *this);
 }
 
 MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV, Mangler &Mang) const {