mirror of
https://github.com/jeremysrand/llvm-65816.git
synced 2024-09-12 04:54:29 +00:00
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
|
//===-- Mips16RegisterInfo.h - Mips16 Register Information ------*- C++ -*-===//
|
||
|
//
|
||
|
// The LLVM Compiler Infrastructure
|
||
|
//
|
||
|
// This file is distributed under the University of Illinois Open Source
|
||
|
// License. See LICENSE.TXT for details.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
//
|
||
|
// This file contains the Mips16 implementation of the TargetRegisterInfo class.
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef MIPS16REGISTERINFO_H
|
||
|
#define MIPS16REGISTERINFO_H
|
||
|
|
||
|
#include "MipsRegisterInfo.h"
|
||
|
|
||
|
namespace llvm {
|
||
|
class Mips16InstrInfo;
|
||
|
|
||
|
class Mips16RegisterInfo : public MipsRegisterInfo {
|
||
|
public:
|
||
|
Mips16RegisterInfo(const MipsSubtarget &Subtarget);
|
||
|
|
||
|
bool requiresRegisterScavenging(const MachineFunction &MF) const;
|
||
|
|
||
|
bool requiresFrameIndexScavenging(const MachineFunction &MF) const;
|
||
|
|
||
|
bool useFPForScavengingIndex(const MachineFunction &MF) const;
|
||
|
|
||
|
bool saveScavengerRegister(MachineBasicBlock &MBB,
|
||
|
MachineBasicBlock::iterator I,
|
||
|
MachineBasicBlock::iterator &UseMI,
|
||
|
const TargetRegisterClass *RC,
|
||
|
unsigned Reg) const;
|
||
|
|
||
|
virtual const TargetRegisterClass *intRegClass(unsigned Size) const;
|
||
|
|
||
|
private:
|
||
|
virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
|
||
|
int FrameIndex, uint64_t StackSize,
|
||
|
int64_t SPOffset) const;
|
||
|
};
|
||
|
|
||
|
} // end namespace llvm
|
||
|
|
||
|
#endif
|