llvm-6502/lib/Target/XCore/XCoreRegisterInfo.h

57 lines
1.6 KiB
C++

//===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- 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 XCore implementation of the MRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef XCOREREGISTERINFO_H
#define XCOREREGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "XCoreGenRegisterInfo.inc"
namespace llvm {
class TargetInstrInfo;
struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
public:
XCoreRegisterInfo();
/// Code Generation virtual methods...
const MCPhysReg *
getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
bool requiresRegisterScavenging(const MachineFunction &MF) const override;
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
bool useFPForScavengingIndex(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
// Debug information queries.
unsigned getFrameRegister(const MachineFunction &MF) const override;
//! Return whether to emit frame moves
static bool needsFrameMoves(const MachineFunction &MF);
};
} // end namespace llvm
#endif