--- a/lib/Target/Mips/MipsMachineFunction.h	Fri Nov 25 19:14:25 2016 +0900
+++ b/lib/Target/Mips/MipsMachineFunction.h	Fri Oct 27 17:07:41 2017 +0900
@@ -1,4 +1,4 @@
-//===-- MipsMachineFunctionInfo.h - Private data used for Mips ----*- C++ -*-=//
+//===- MipsMachineFunctionInfo.h - Private data used for Mips ---*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -15,12 +15,8 @@
 #define LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H
 
 #include "Mips16HardFloatInfo.h"
-#include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
-#include "llvm/CodeGen/PseudoSourceValue.h"
-#include "llvm/Target/TargetFrameLowering.h"
-#include "llvm/Target/TargetMachine.h"
 #include <map>
 
 namespace llvm {
@@ -29,12 +25,9 @@
 /// Mips target-specific information for each MachineFunction.
 class MipsFunctionInfo : public MachineFunctionInfo {
 public:
-  MipsFunctionInfo(MachineFunction &MF)
-      : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0),
-        CallsEhReturn(false), IsISR(false), SaveS2(false),
-        MoveF64ViaSpillFI(-1) {}
+  MipsFunctionInfo(MachineFunction &MF) : MF(MF) {}
 
-  ~MipsFunctionInfo();
+  ~MipsFunctionInfo() override;
 
   unsigned getSRetReturnReg() const { return SRetReturnReg; }
   void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; }
@@ -81,25 +74,26 @@
 
   int getMoveF64ViaSpillFI(const TargetRegisterClass *RC);
 
-  std::map<const char *, const llvm::Mips16HardFloatInfo::FuncSignature *>
+  std::map<const char *, const Mips16HardFloatInfo::FuncSignature *>
   StubsNeeded;
 
 private:
   virtual void anchor();
 
   MachineFunction& MF;
+
   /// SRetReturnReg - Some subtargets require that sret lowering includes
   /// returning the value of the returned struct in a register. This field
   /// holds the virtual register into which the sret argument is passed.
-  unsigned SRetReturnReg;
+  unsigned SRetReturnReg = 0;
 
   /// GlobalBaseReg - keeps track of the virtual register initialized for
   /// use as the global base register. This is used for PIC in some PIC
   /// relocation models.
-  unsigned GlobalBaseReg;
+  unsigned GlobalBaseReg = 0;
 
   /// VarArgsFrameIndex - FrameIndex for start of varargs area.
-  int VarArgsFrameIndex;
+  int VarArgsFrameIndex = 0;
 
   /// True if function has a byval argument.
   bool HasByvalArg;
@@ -108,25 +102,25 @@
   unsigned IncomingArgSize;
 
   /// CallsEhReturn - Whether the function calls llvm.eh.return.
-  bool CallsEhReturn;
+  bool CallsEhReturn = false;
 
   /// Frame objects for spilling eh data registers.
   int EhDataRegFI[4];
 
   /// ISR - Whether the function is an Interrupt Service Routine.
-  bool IsISR;
+  bool IsISR = false;
 
   /// Frame objects for spilling C0_STATUS, C0_EPC
   int ISRDataRegFI[2];
 
   // saveS2
-  bool SaveS2;
+  bool SaveS2 = false;
 
   /// FrameIndex for expanding BuildPairF64 nodes to spill and reload when the
   /// O32 FPXX ABI is enabled. -1 is used to denote invalid index.
-  int MoveF64ViaSpillFI;
+  int MoveF64ViaSpillFI = -1;
 };
 
-} // end of namespace llvm
+} // end namespace llvm
 
-#endif
+#endif // LLVM_LIB_TARGET_MIPS_MIPSMACHINEFUNCTION_H