freebsd-dev/contrib/llvm/lib/Target/Mips/Mips16RegisterInfo.h
Dimitry Andric ff0cc061ec Merge llvm trunk r238337 from ^/vendor/llvm/dist, resolve conflicts, and
preserve our customizations, where necessary.
2015-05-27 20:26:41 +00:00

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 LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
#define LLVM_LIB_TARGET_MIPS_MIPS16REGISTERINFO_H
#include "MipsRegisterInfo.h"
namespace llvm {
class Mips16InstrInfo;
class Mips16RegisterInfo : public MipsRegisterInfo {
public:
Mips16RegisterInfo();
bool requiresRegisterScavenging(const MachineFunction &MF) const override;
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override;
bool useFPForScavengingIndex(const MachineFunction &MF) const override;
bool saveScavengerRegister(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
MachineBasicBlock::iterator &UseMI,
const TargetRegisterClass *RC,
unsigned Reg) const override;
const TargetRegisterClass *intRegClass(unsigned Size) const override;
private:
void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,
int FrameIndex, uint64_t StackSize,
int64_t SPOffset) const override;
};
} // end namespace llvm
#endif