1//===-- XCoreRegisterInfo.h - XCore Register Information Impl ---*- 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 XCore implementation of the MRegisterInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef XCOREREGISTERINFO_H
15#define XCOREREGISTERINFO_H
16
17#include "llvm/Target/TargetRegisterInfo.h"
18
19#define GET_REGINFO_HEADER
20#include "XCoreGenRegisterInfo.inc"
21
22namespace llvm {
23
24class TargetInstrInfo;
25
26struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
27public:
28  XCoreRegisterInfo();
29
30  /// Code Generation virtual methods...
31
32  const MCPhysReg *
33  getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override;
34
35  BitVector getReservedRegs(const MachineFunction &MF) const override;
36
37  bool requiresRegisterScavenging(const MachineFunction &MF) const override;
38
39  bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
40
41  bool useFPForScavengingIndex(const MachineFunction &MF) const override;
42
43  void eliminateFrameIndex(MachineBasicBlock::iterator II,
44                           int SPAdj, unsigned FIOperandNum,
45                           RegScavenger *RS = nullptr) const override;
46
47  // Debug information queries.
48  unsigned getFrameRegister(const MachineFunction &MF) const override;
49
50  //! Return whether to emit frame moves
51  static bool needsFrameMoves(const MachineFunction &MF);
52};
53
54} // end namespace llvm
55
56#endif
57