fix typo and formatting

Author: Tony Tao

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZGNUInstPrinter.h

@@ -1,14 +1,14 @@
-//==- SystemZGNUInstPrinter.h - Convert SystemZ MCInst to assembly --*- C++ -*-==//
+//==- SystemZGNUInstPrinter.h - Convert SystemZ MCInst to assembly -*- C++ -*-==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-//===-------------------------------------------------------------------------===//
+//===------------------------------------------------------------------------===//
 //
 // This class prints a SystemZ MCInst to a .s file in GNU assembly format.
 //
-//===-------------------------------------------------------------------------===//
+//===------------------------------------------------------------------------===//
 
 #ifndef LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZGNUINSTPRINTER_H
 #define LLVM_LIB_TARGET_SYSTEMZ_MCTARGETDESC_SYSTEMZGNUINSTPRINTER_H

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZHLASMInstPrinter.cpp

@@ -1,10 +1,10 @@
-//===- SystemZHLASMInstPrinter.cpp - Convert SystemZ MCInst to HLASM assembly -===//
+//===- SystemZHLASMInstPrinter.cpp - Convert SystemZ MCInst to HLASM assembly -==//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
-//===--------------------------------------------------------------------------===//
+//===--------------------------------------------------------------------------==//
 
 #include "SystemZHLASMInstPrinter.h"
 #include "llvm/MC/MCInst.h"

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZHLASMInstPrinter.h

@@ -1,4 +1,4 @@
-//- SystemZHLASMInstPrinter.h - Convert SystemZ MCInst to assembly --*- C++ -*-//
+//- SystemZHLASMInstPrinter.h - Convert SystemZ MCInst to assembly -*- C++ -*-//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZInstPrinterCommon.cpp

@@ -34,7 +34,7 @@ void SystemZInstPrinterCommon::printAddress(const MCAsmInfo *MAI,
       O << ',';
     }
     if (Base)
-      printRegName(O, Index);
+      printRegName(O, Base);
     else
       O << '0';
     O << ')';

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZInstPrinterCommon.h

@@ -26,7 +26,7 @@ class SystemZInstPrinterCommon : public MCInstPrinter {
 public:
   SystemZInstPrinterCommon(const MCAsmInfo &MAI, const MCInstrInfo &MII,
                            const MCRegisterInfo &MRI)
-    : MCInstPrinter(MAI, MII, MRI) {}
+      : MCInstPrinter(MAI, MII, MRI) {}
 
   // Print an address with the given base, displacement and index.
   void printAddress(const MCAsmInfo *MAI, MCRegister Base,

llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp

@@ -6,8 +6,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SystemZGNUInstPrinter.h"
 #include "SystemZMCTargetDesc.h"
+#include "SystemZGNUInstPrinter.h"
 #include "SystemZHLASMInstPrinter.h"
 #include "SystemZMCAsmInfo.h"
 #include "SystemZTargetStreamer.h"