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