Remove unused modifier argument

Author: dakersnar

llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXInstPrinter.cpp

@@ -406,8 +406,7 @@ void NVPTXInstPrinter::printUsedBytesMaskPragma(const MCInst *MI, int OpNum,
 }
 
 void NVPTXInstPrinter::printRegisterOrSinkSymbol(const MCInst *MI, int OpNum,
-                                                 raw_ostream &O,
-                                                 const char *Modifier) {
+                                                 raw_ostream &O) {
   const MCOperand &Op = MI->getOperand(OpNum);
   if (Op.isReg() && Op.getReg() == MCRegister::NoRegister)
     O << "_";

llvm/lib/Target/NVPTX/MCTargetDesc/NVPTXInstPrinter.h

@@ -47,8 +47,7 @@ class NVPTXInstPrinter : public MCInstPrinter {
   void printMemOperand(const MCInst *MI, int OpNum, raw_ostream &O,
                        StringRef Modifier = {});
   void printUsedBytesMaskPragma(const MCInst *MI, int OpNum, raw_ostream &O);
-  void printRegisterOrSinkSymbol(const MCInst *MI, int OpNum, raw_ostream &O,
-                                 const char *Modifier = nullptr);
+  void printRegisterOrSinkSymbol(const MCInst *MI, int OpNum, raw_ostream &O);
   void printHexu32imm(const MCInst *MI, int OpNum, raw_ostream &O);
   void printProtoIdent(const MCInst *MI, int OpNum, raw_ostream &O);
   void printPrmtMode(const MCInst *MI, int OpNum, raw_ostream &O);