1 //===- SparcRegisterInfo.h - Sparc Register Information Impl ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the Sparc implementation of the TargetRegisterInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef SPARCREGISTERINFO_H
15 #define SPARCREGISTERINFO_H
17 #include "llvm/Target/TargetRegisterInfo.h"
18 #include "SparcGenRegisterInfo.h.inc"
23 class TargetInstrInfo;
26 struct SparcRegisterInfo : public SparcGenRegisterInfo {
27 SparcSubtarget &Subtarget;
28 const TargetInstrInfo &TII;
30 SparcRegisterInfo(SparcSubtarget &st, const TargetInstrInfo &tii);
32 /// Code Generation virtual methods...
33 const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
35 BitVector getReservedRegs(const MachineFunction &MF) const;
37 bool hasFP(const MachineFunction &MF) const;
39 void eliminateCallFramePseudoInstr(MachineFunction &MF,
40 MachineBasicBlock &MBB,
41 MachineBasicBlock::iterator I) const;
43 unsigned eliminateFrameIndex(MachineBasicBlock::iterator II,
44 int SPAdj, FrameIndexValue *Value = NULL,
45 RegScavenger *RS = NULL) const;
47 void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
49 void emitPrologue(MachineFunction &MF) const;
50 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
52 // Debug information queries.
53 unsigned getRARegister() const;
54 unsigned getFrameRegister(const MachineFunction &MF) const;
56 // Exception handling queries.
57 unsigned getEHExceptionRegister() const;
58 unsigned getEHHandlerRegister() const;
60 int getDwarfRegNum(unsigned RegNum, bool isEH) const;
63 } // end namespace llvm