1 //===- NVPTXRegisterInfo.h - NVPTX Register Information Impl ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the NVPTX implementation of the TargetRegisterInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef NVPTXREGISTERINFO_H
15 #define NVPTXREGISTERINFO_H
17 #include "ManagedStringPool.h"
18 #include "llvm/Target/TargetRegisterInfo.h"
21 #define GET_REGINFO_HEADER
22 #include "NVPTXGenRegisterInfo.inc"
23 #include "llvm/Target/TargetRegisterInfo.h"
28 // Forward Declarations.
29 class TargetInstrInfo;
32 class NVPTXRegisterInfo : public NVPTXGenRegisterInfo {
35 // Hold Strings that can be free'd all together with NVPTXRegisterInfo
36 ManagedStringPool ManagedStrPool;
39 NVPTXRegisterInfo(const TargetInstrInfo &tii,
40 const NVPTXSubtarget &st);
43 //------------------------------------------------------
44 // Pure virtual functions from TargetRegisterInfo
45 //------------------------------------------------------
47 // NVPTX callee saved registers
48 virtual const uint16_t*
49 getCalleeSavedRegs(const MachineFunction *MF = 0) const;
51 // NVPTX callee saved register classes
52 virtual const TargetRegisterClass* const *
53 getCalleeSavedRegClasses(const MachineFunction *MF) const;
55 virtual BitVector getReservedRegs(const MachineFunction &MF) const;
57 virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI,
59 RegScavenger *RS=NULL) const;
61 void eliminateCallFramePseudoInstr(MachineFunction &MF,
62 MachineBasicBlock &MBB,
63 MachineBasicBlock::iterator I) const;
65 virtual int getDwarfRegNum(unsigned RegNum, bool isEH) const;
66 virtual unsigned getFrameRegister(const MachineFunction &MF) const;
67 virtual unsigned getRARegister() const;
69 ManagedStringPool *getStrPool() const {
70 return const_cast<ManagedStringPool *>(&ManagedStrPool);
73 const char *getName(unsigned RegNo) const {
76 return getStrPool()->getManagedString(O.str().c_str())->c_str();
82 std::string getNVPTXRegClassName (const TargetRegisterClass *RC);
83 std::string getNVPTXRegClassStr (const TargetRegisterClass *RC);
84 bool isNVPTXVectorRegClass (const TargetRegisterClass *RC);
85 std::string getNVPTXElemClassName (const TargetRegisterClass *RC);
86 int getNVPTXVectorSize (const TargetRegisterClass *RC);
87 const TargetRegisterClass *getNVPTXElemClass(const TargetRegisterClass *RC);
89 } // end namespace llvm