Thumb1InstrInfo.h revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338 
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 "ARMBaseInstrInfo.h"
18#include "Thumb1RegisterInfo.h"
19
20namespace llvm {
21  class ARMSubtarget;
22
23class Thumb1InstrInfo : public ARMBaseInstrInfo {
24  Thumb1RegisterInfo RI;
25public:
26  explicit Thumb1InstrInfo(const ARMSubtarget &STI);
27
28  /// getNoopForMachoTarget - Return the noop instruction to use for a noop.
29  void getNoopForMachoTarget(MCInst &NopInst) const override;
30
31  // Return the non-pre/post incrementing version of 'Opc'. Return 0
32  // if there is not such an opcode.
33  unsigned getUnindexedOpcode(unsigned Opc) const override;
34
35  /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
36  /// such, whenever a client has an instance of instruction info, it should
37  /// always be able to get register info as well (through this method).
38  ///
39  const Thumb1RegisterInfo &getRegisterInfo() const override { return RI; }
40
41  void copyPhysReg(MachineBasicBlock &MBB,
42                   MachineBasicBlock::iterator I, DebugLoc DL,
43                   unsigned DestReg, unsigned SrcReg,
44                   bool KillSrc) const override;
45  void storeRegToStackSlot(MachineBasicBlock &MBB,
46                           MachineBasicBlock::iterator MBBI,
47                           unsigned SrcReg, bool isKill, int FrameIndex,
48                           const TargetRegisterClass *RC,
49                           const TargetRegisterInfo *TRI) const override;
50
51  void loadRegFromStackSlot(MachineBasicBlock &MBB,
52                            MachineBasicBlock::iterator MBBI,
53                            unsigned DestReg, int FrameIndex,
54                            const TargetRegisterClass *RC,
55                            const TargetRegisterInfo *TRI) const override;
56
57};
58}
59
60#endif // THUMB1INSTRUCTIONINFO_H
61