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"
26 // Forward Declarations.
27 class TargetInstrInfo;
30 class NVPTXRegisterInfo : public NVPTXGenRegisterInfo {
33 // Hold Strings that can be free'd all together with NVPTXRegisterInfo
34 ManagedStringPool ManagedStrPool;
37 NVPTXRegisterInfo(const NVPTXSubtarget &st);
39 //------------------------------------------------------
40 // Pure virtual functions from TargetRegisterInfo
41 //------------------------------------------------------
43 // NVPTX callee saved registers
44 virtual const MCPhysReg *
45 getCalleeSavedRegs(const MachineFunction *MF = 0) const;
47 // NVPTX callee saved register classes
48 virtual const TargetRegisterClass *const *
49 getCalleeSavedRegClasses(const MachineFunction *MF) const;
51 virtual BitVector getReservedRegs(const MachineFunction &MF) const;
53 virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
54 unsigned FIOperandNum,
55 RegScavenger *RS = NULL) const;
57 virtual int getDwarfRegNum(unsigned RegNum, bool isEH) const;
58 virtual unsigned getFrameRegister(const MachineFunction &MF) const;
59 virtual unsigned getRARegister() const;
61 ManagedStringPool *getStrPool() const {
62 return const_cast<ManagedStringPool *>(&ManagedStrPool);
65 const char *getName(unsigned RegNo) const {
68 return getStrPool()->getManagedString(O.str().c_str())->c_str();
73 std::string getNVPTXRegClassName(const TargetRegisterClass *RC);
74 std::string getNVPTXRegClassStr(const TargetRegisterClass *RC);
76 } // end namespace llvm