Fix some formatting errors.

Author: GongMengyao

llvm/lib/Target/LoongArch/LoongArchCallLowering.cpp

@@ -1,5 +1,4 @@
-//===-- LoongArchCallLowering.cpp - Call lowering -------------------*- C++
-//-*-===//
+//===-- LoongArchCallLowering.cpp - Call lowering ---------------*- C++ -*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
@@ -30,9 +29,9 @@ bool LoongArchCallLowering::lowerReturn(MachineIRBuilder &MIRBuilder,
 
   MachineInstrBuilder Ret = MIRBuilder.buildInstrNoInsert(LoongArch::PseudoRET);
 
-  if (Val != nullptr) {
+  if (Val != nullptr)
     return false;
-  }
+ 
   MIRBuilder.insertInstr(Ret);
   return true;
 }

llvm/lib/Target/LoongArch/LoongArchCallLowering.h

@@ -1,5 +1,4 @@
-//===-- LoongArchCallLowering.h - Call lowering ---------------------*- C++
-//-*-===//
+//===-- LoongArchCallLowering.h - Call lowering -----------------*- 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/LoongArch/LoongArchInstructionSelector.cpp

@@ -1,5 +1,4 @@
-//===-- LoongArchInstructionSelector.cpp -----------------------------*- C++
-//-*-==//
+//===-- LoongArchInstructionSelector.cpp -------------------------*- 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/LoongArch/LoongArchLegalizerInfo.cpp

@@ -1,5 +1,4 @@
-//===-- LoongArchLegalizerInfo.cpp ----------------------------------*- C++
-//-*-===//
+//===-- LoongArchLegalizerInfo.cpp ------------------------------*- 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/LoongArch/LoongArchLegalizerInfo.h

@@ -1,5 +1,4 @@
-//===-- LoongArchLegalizerInfo.h ------------------------------------*- C++
-//-*-===//
+//===-- LoongArchLegalizerInfo.h --------------------------------*- 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/LoongArch/LoongArchRegisterBankInfo.cpp

@@ -1,5 +1,4 @@
-//===-- LoongArchRegisterBankInfo.cpp -------------------------------*- C++
-//-*-===//
+//===-- LoongArchRegisterBankInfo.cpp ---------------------------*- 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/LoongArch/LoongArchRegisterBankInfo.h

@@ -1,5 +1,4 @@
-//===-- LoongArchRegisterBankInfo.h ---------------------------------*- C++
-//-*-===//
+//===-- LoongArchRegisterBankInfo.h -----------------------------*- 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/LoongArch/LoongArchRegisterBanks.td

@@ -1,4 +1,4 @@
-//=-- LoongArchRegisterBank.td - Describe the LoongArch Banks --------*- tablegen -*-=//
+//=- LoongArchRegisterBank.td - Describe the LoongArch Banks -*- tablegen -*-=//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.