Mips16RegisterInfo.h revision 1ebe5fce8ed51ab7e3908458bc5e2f0f24e0b21b
1//===-- Mips16RegisterInfo.h - Mips16 Register Information ------*- 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 Mips16 implementation of the TargetRegisterInfo class. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef MIPS16REGISTERINFO_H 15#define MIPS16REGISTERINFO_H 16 17#include "MipsRegisterInfo.h" 18 19namespace llvm { 20class Mips16InstrInfo; 21 22class Mips16RegisterInfo : public MipsRegisterInfo { 23 const Mips16InstrInfo &TII; 24public: 25 Mips16RegisterInfo(const MipsSubtarget &Subtarget, 26 const Mips16InstrInfo &TII); 27 28 void eliminateCallFramePseudoInstr(MachineFunction &MF, 29 MachineBasicBlock &MBB, 30 MachineBasicBlock::iterator I) const; 31 32 bool requiresRegisterScavenging(const MachineFunction &MF) const; 33 34 bool requiresFrameIndexScavenging(const MachineFunction &MF) const; 35 36 bool useFPForScavengingIndex(const MachineFunction &MF) const; 37 38 bool saveScavengerRegister(MachineBasicBlock &MBB, 39 MachineBasicBlock::iterator I, 40 MachineBasicBlock::iterator &UseMI, 41 const TargetRegisterClass *RC, 42 unsigned Reg) const; 43 44private: 45 virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo, 46 int FrameIndex, uint64_t StackSize, 47 int64_t SPOffset) const; 48}; 49 50} // end namespace llvm 51 52#endif 53