refactor symbol printing so the whole "mem" thing is handled in fewer places.

llvm-svn: 75512
diff --git a/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h b/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
index 64558d5..8ca36d7 100644
--- a/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
+++ b/llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
@@ -73,6 +73,7 @@
   // New MCInst printing stuff.
   bool printInstruction(const MCInst *MI);
 
+  void printSymbolOperand(const MachineOperand &MO);
   void printOperand(const MCInst *MI, unsigned OpNo,
                     const char *Modifier = 0);
   void printMemReference(const MCInst *MI, unsigned Op);