lib/Target/X86/X86RegisterInfo.h

   1 //===- X86RegisterInfo.h - X86 Register Information Impl --------*- C++ -*-===//
   2 //
   3 // This file contains the X86 implementation of the MRegisterInfo class.
   4 //
   5 //===----------------------------------------------------------------------===//
   6
   7 #ifndef X86REGISTERINFO_H
   8 #define X86REGISTERINFO_H
   9
  10 #include "llvm/Target/MRegisterInfo.h"
  11
  12 class Type;
  13
  14 #include "X86GenRegisterInfo.h.inc"
  15
  16 struct X86RegisterInfo : public X86GenRegisterInfo {
  17   X86RegisterInfo();
  18   const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
  19
  20   /// Code Generation virtual methods...
  21   void storeRegToStackSlot(MachineBasicBlock &MBB,
  22                            MachineBasicBlock::iterator &MBBI,
  23                            unsigned SrcReg, int FrameIndex,
  24                            const TargetRegisterClass *RC) const;
  25
  26   void loadRegFromStackSlot(MachineBasicBlock &MBB,
  27                             MachineBasicBlock::iterator &MBBI,
  28                             unsigned DestReg, int FrameIndex,
  29                             const TargetRegisterClass *RC) const;
  30
  31   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
  32                    unsigned DestReg, unsigned SrcReg,
  33                    const TargetRegisterClass *RC) const;
  34
  35   void eliminateCallFramePseudoInstr(MachineFunction &MF,
  36                                      MachineBasicBlock &MBB,
  37                                      MachineBasicBlock::iterator &I) const;
  38
  39   void eliminateFrameIndex(MachineFunction &MF,
  40                            MachineBasicBlock::iterator &II) const;
  41
  42   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
  43
  44   void emitPrologue(MachineFunction &MF) const;
  45   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
  46 };
  47
  48 #endif