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1 //===- Thumb2RegisterInfo.h - Thumb-2 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 Thumb-2 implementation of the TargetRegisterInfo
11 // class.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef THUMB2REGISTERINFO_H
16 #define THUMB2REGISTERINFO_H
17 
18 #include "ARM.h"
19 #include "ARMRegisterInfo.h"
20 #include "llvm/Target/TargetRegisterInfo.h"
21 
22 namespace llvm {
23   class ARMSubtarget;
24   class ARMBaseInstrInfo;
25   class Type;
26 
27 struct Thumb2RegisterInfo : public ARMBaseRegisterInfo {
28 public:
29   Thumb2RegisterInfo(const ARMBaseInstrInfo &tii, const ARMSubtarget &STI);
30 
31   /// emitLoadConstPool - Emits a load from constpool to materialize the
32   /// specified immediate.
33   void emitLoadConstPool(MachineBasicBlock &MBB,
34                          MachineBasicBlock::iterator &MBBI,
35                          DebugLoc dl,
36                          unsigned DestReg, unsigned SubIdx, int Val,
37                          ARMCC::CondCodes Pred = ARMCC::AL,
38                          unsigned PredReg = 0,
39                          unsigned MIFlags = MachineInstr::NoFlags) const;
40 };
41 }
42 
43 #endif // THUMB2REGISTERINFO_H
44