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Jim Grosbach31c24bf2009-11-07 22:00:39 +00001//===- Thumb2InstrInfo.h - Thumb-2 Instruction Information ------*- C++ -*-===//
David Goodwinb50ea5c2009-07-02 22:18:33 +00002//
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-2 implementation of the TargetInstrInfo class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef THUMB2INSTRUCTIONINFO_H
15#define THUMB2INSTRUCTIONINFO_H
16
17#include "llvm/Target/TargetInstrInfo.h"
18#include "ARM.h"
19#include "ARMInstrInfo.h"
20#include "Thumb2RegisterInfo.h"
21
22namespace llvm {
23 class ARMSubtarget;
24
25class Thumb2InstrInfo : public ARMBaseInstrInfo {
26 Thumb2RegisterInfo RI;
27public:
28 explicit Thumb2InstrInfo(const ARMSubtarget &STI);
29
David Goodwin334c2642009-07-08 16:09:28 +000030 // Return the non-pre/post incrementing version of 'Opc'. Return 0
31 // if there is not such an opcode.
32 unsigned getUnindexedOpcode(unsigned Opc) const;
33
Anton Korobeynikovb8e9ac82009-07-16 23:26:06 +000034 bool copyRegToReg(MachineBasicBlock &MBB,
35 MachineBasicBlock::iterator I,
36 unsigned DestReg, unsigned SrcReg,
37 const TargetRegisterClass *DestRC,
38 const TargetRegisterClass *SrcRC) const;
39
Evan Cheng5732ca02009-07-27 03:14:20 +000040 void storeRegToStackSlot(MachineBasicBlock &MBB,
41 MachineBasicBlock::iterator MBBI,
42 unsigned SrcReg, bool isKill, int FrameIndex,
43 const TargetRegisterClass *RC) const;
44
45 void loadRegFromStackSlot(MachineBasicBlock &MBB,
46 MachineBasicBlock::iterator MBBI,
47 unsigned DestReg, int FrameIndex,
48 const TargetRegisterClass *RC) const;
49
David Goodwinb50ea5c2009-07-02 22:18:33 +000050 /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info. As
51 /// such, whenever a client has an instance of instruction info, it should
52 /// always be able to get register info as well (through this method).
53 ///
54 const Thumb2RegisterInfo &getRegisterInfo() const { return RI; }
David Goodwinb50ea5c2009-07-02 22:18:33 +000055};
56}
57
58#endif // THUMB2INSTRUCTIONINFO_H