| //===- NVPTXRegisterInfo.h - NVPTX Register Information Impl ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the NVPTX implementation of the TargetRegisterInfo class. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef NVPTXREGISTERINFO_H |
| #define NVPTXREGISTERINFO_H |
| |
| #include "ManagedStringPool.h" |
| #include "llvm/Target/TargetRegisterInfo.h" |
| |
| |
| #define GET_REGINFO_HEADER |
| #include "NVPTXGenRegisterInfo.inc" |
| #include "llvm/Target/TargetRegisterInfo.h" |
| #include <sstream> |
| |
| namespace llvm { |
| |
| // Forward Declarations. |
| class TargetInstrInfo; |
| class NVPTXSubtarget; |
| |
| class NVPTXRegisterInfo : public NVPTXGenRegisterInfo { |
| private: |
| bool Is64Bit; |
| // Hold Strings that can be free'd all together with NVPTXRegisterInfo |
| ManagedStringPool ManagedStrPool; |
| |
| public: |
| NVPTXRegisterInfo(const TargetInstrInfo &tii, |
| const NVPTXSubtarget &st); |
| |
| |
| //------------------------------------------------------ |
| // Pure virtual functions from TargetRegisterInfo |
| //------------------------------------------------------ |
| |
| // NVPTX callee saved registers |
| virtual const uint16_t* |
| getCalleeSavedRegs(const MachineFunction *MF = 0) const; |
| |
| // NVPTX callee saved register classes |
| virtual const TargetRegisterClass* const * |
| getCalleeSavedRegClasses(const MachineFunction *MF) const; |
| |
| virtual BitVector getReservedRegs(const MachineFunction &MF) const; |
| |
| virtual void eliminateFrameIndex(MachineBasicBlock::iterator MI, |
| int SPAdj, unsigned FIOperandNum, |
| RegScavenger *RS=NULL) const; |
| |
| virtual int getDwarfRegNum(unsigned RegNum, bool isEH) const; |
| virtual unsigned getFrameRegister(const MachineFunction &MF) const; |
| virtual unsigned getRARegister() const; |
| |
| ManagedStringPool *getStrPool() const { |
| return const_cast<ManagedStringPool *>(&ManagedStrPool); |
| } |
| |
| const char *getName(unsigned RegNo) const { |
| std::stringstream O; |
| O << "reg" << RegNo; |
| return getStrPool()->getManagedString(O.str().c_str())->c_str(); |
| } |
| |
| }; |
| |
| |
| std::string getNVPTXRegClassName (const TargetRegisterClass *RC); |
| std::string getNVPTXRegClassStr (const TargetRegisterClass *RC); |
| |
| } // end namespace llvm |
| |
| |
| #endif |