Thumb1InstrInfo.h revision c01810eeb7227010f73cb39e3c4fa0197a3c4ef0 
1//===-- Thumb1InstrInfo.h - Thumb-1 Instruction 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 Thumb-1 implementation of the TargetInstrInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef THUMB1INSTRUCTIONINFO_H
15#define THUMB1INSTRUCTIONINFO_H
16
17#include "llvm/Target/TargetInstrInfo.h"
18#include "ARM.h"
19#include "ARMInstrInfo.h"
20#include "Thumb1RegisterInfo.h"
21
22namespace llvm {
23  class ARMSubtarget;
24
25class Thumb1InstrInfo : public ARMBaseInstrInfo {
26  Thumb1RegisterInfo RI;
27public:
28  explicit Thumb1InstrInfo(const ARMSubtarget &STI);
29
30  /// getNoopForMachoTarget - Return the noop instruction to use for a noop.
31  void getNoopForMachoTarget(MCInst &NopInst) const;
32
33  // Return the non-pre/post incrementing version of 'Opc'. Return 0
34  // if there is not such an opcode.
35  unsigned getUnindexedOpcode(unsigned Opc) const;
36
37  /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
38  /// such, whenever a client has an instance of instruction info, it should
39  /// always be able to get register info as well (through this method).
40  ///
41  const Thumb1RegisterInfo &getRegisterInfo() const { return RI; }
42
43  void copyPhysReg(MachineBasicBlock &MBB,
44                   MachineBasicBlock::iterator I, DebugLoc DL,
45                   unsigned DestReg, unsigned SrcReg,
46                   bool KillSrc) const;
47  void storeRegToStackSlot(MachineBasicBlock &MBB,
48                           MachineBasicBlock::iterator MBBI,
49                           unsigned SrcReg, bool isKill, int FrameIndex,
50                           const TargetRegisterClass *RC,
51                           const TargetRegisterInfo *TRI) const;
52
53  void loadRegFromStackSlot(MachineBasicBlock &MBB,
54                            MachineBasicBlock::iterator MBBI,
55                            unsigned DestReg, int FrameIndex,
56                            const TargetRegisterClass *RC,
57                            const TargetRegisterInfo *TRI) const;
58
59};
60}
61
62#endif // THUMB1INSTRUCTIONINFO_H
63