SparcRegisterInfo.h revision 6e032942cf58d1c41f88609a1cec74eb74940ecd
1//===- SparcRegisterInfo.h - Sparc Register Information Impl ----*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains the Sparc implementation of the TargetRegisterInfo class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef SPARCREGISTERINFO_H 15#define SPARCREGISTERINFO_H 16 17#include "llvm/Target/TargetRegisterInfo.h" 18#include "SparcGenRegisterInfo.h.inc" 19 20namespace llvm { 21 22class SparcSubtarget; 23class TargetInstrInfo; 24class Type; 25 26struct SparcRegisterInfo : public SparcGenRegisterInfo { 27 SparcSubtarget &Subtarget; 28 const TargetInstrInfo &TII; 29 30 SparcRegisterInfo(SparcSubtarget &st, const TargetInstrInfo &tii); 31 32 /// Code Generation virtual methods... 33 const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const; 34 35 BitVector getReservedRegs(const MachineFunction &MF) const; 36 37 void eliminateCallFramePseudoInstr(MachineFunction &MF, 38 MachineBasicBlock &MBB, 39 MachineBasicBlock::iterator I) const; 40 41 void eliminateFrameIndex(MachineBasicBlock::iterator II, 42 int SPAdj, RegScavenger *RS = NULL) const; 43 44 void processFunctionBeforeFrameFinalized(MachineFunction &MF) const; 45 46 // Debug information queries. 47 unsigned getRARegister() const; 48 unsigned getFrameRegister(const MachineFunction &MF) const; 49 50 // Exception handling queries. 51 unsigned getEHExceptionRegister() const; 52 unsigned getEHHandlerRegister() const; 53 54 int getDwarfRegNum(unsigned RegNum, bool isEH) const; 55 int getLLVMRegNum(unsigned RegNum, bool isEH) const; 56}; 57 58} // end namespace llvm 59 60#endif 61