X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FARM%2FARMRegisterInfo.h;h=8edfb9a2057fc4886eac7593ac828cd78fdc1d8b;hb=09aa3f0ef35d9241c92439d74b8d5e9a81d814c2;hp=ed53e4e2da502637eb4f5f2c042d1aec1f2b2d13;hpb=aee4af68ae2016afc5b4ec0c430e539c5810a766;p=oota-llvm.git diff --git a/lib/Target/ARM/ARMRegisterInfo.h b/lib/Target/ARM/ARMRegisterInfo.h index ed53e4e2da5..8edfb9a2057 100644 --- a/lib/Target/ARM/ARMRegisterInfo.h +++ b/lib/Target/ARM/ARMRegisterInfo.h @@ -2,125 +2,30 @@ // // The LLVM Compiler Infrastructure // -// This file was developed by the "Instituto Nokia de Tecnologia" and -// is distributed under the University of Illinois Open Source +// This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // -// This file contains the ARM implementation of the MRegisterInfo class. +// This file contains the ARM implementation of the TargetRegisterInfo class. // //===----------------------------------------------------------------------===// #ifndef ARMREGISTERINFO_H #define ARMREGISTERINFO_H -#include "llvm/Target/MRegisterInfo.h" -#include "ARMGenRegisterInfo.h.inc" +#include "ARM.h" +#include "llvm/Target/TargetRegisterInfo.h" +#include "ARMBaseRegisterInfo.h" namespace llvm { class ARMSubtarget; - class TargetInstrInfo; + class ARMBaseInstrInfo; class Type; -struct ARMRegisterInfo : public ARMGenRegisterInfo { - const TargetInstrInfo &TII; - const ARMSubtarget &STI; -private: - /// FramePtr - ARM physical register used as frame ptr. - unsigned FramePtr; - +struct ARMRegisterInfo : public ARMBaseRegisterInfo { public: - ARMRegisterInfo(const TargetInstrInfo &tii, const ARMSubtarget &STI); - - /// getRegisterNumbering - Given the enum value for some register, e.g. - /// ARM::LR, return the number that it corresponds to (e.g. 14). - static unsigned getRegisterNumbering(unsigned RegEnum); - - /// Code Generation virtual methods... - bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MI, - const std::vector &CSI) const; - - bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MI, - const std::vector &CSI) const; - - void storeRegToStackSlot(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MBBI, - unsigned SrcReg, int FrameIndex, - const TargetRegisterClass *RC) const; - - void storeRegToAddr(MachineFunction &MF, unsigned SrcReg, - SmallVectorImpl &Addr, - const TargetRegisterClass *RC, - SmallVectorImpl &NewMIs) const; - - void loadRegFromStackSlot(MachineBasicBlock &MBB, - MachineBasicBlock::iterator MBBI, - unsigned DestReg, int FrameIndex, - const TargetRegisterClass *RC) const; - - void loadRegFromAddr(MachineFunction &MF, unsigned DestReg, - SmallVectorImpl &Addr, - const TargetRegisterClass *RC, - SmallVectorImpl &NewMIs) const; - - void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI, - unsigned DestReg, unsigned SrcReg, - const TargetRegisterClass *DestRC, - const TargetRegisterClass *SrcRC) const; - - void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI, - unsigned DestReg, const MachineInstr *Orig) const; - - MachineInstr* foldMemoryOperand(MachineInstr* MI, - SmallVectorImpl &Ops, - int FrameIndex) const; - - MachineInstr* foldMemoryOperand(MachineInstr* MI, - SmallVectorImpl &Ops, - MachineInstr* LoadMI) const { - return 0; - } - - const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const; - - const TargetRegisterClass* const* - getCalleeSavedRegClasses(const MachineFunction *MF = 0) const; - - BitVector getReservedRegs(const MachineFunction &MF) const; - - bool isReservedReg(const MachineFunction &MF, unsigned Reg) const; - - bool requiresRegisterScavenging(const MachineFunction &MF) const; - - bool hasFP(const MachineFunction &MF) const; - - bool hasReservedCallFrame(MachineFunction &MF) const; - - void eliminateCallFramePseudoInstr(MachineFunction &MF, - MachineBasicBlock &MBB, - MachineBasicBlock::iterator I) const; - - void eliminateFrameIndex(MachineBasicBlock::iterator II, - int SPAdj, RegScavenger *RS = NULL) const; - - void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, - RegScavenger *RS = NULL) const; - - void emitPrologue(MachineFunction &MF) const; - void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; - - // Debug information queries. - unsigned getRARegister() const; - unsigned getFrameRegister(MachineFunction &MF) const; - - // Exception handling queries. - unsigned getEHExceptionRegister() const; - unsigned getEHHandlerRegister() const; - - int getDwarfRegNum(unsigned RegNum, bool isEH) const; + ARMRegisterInfo(const ARMBaseInstrInfo &tii, const ARMSubtarget &STI); }; } // end namespace llvm