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//===- 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,
RegScavenger *RS=NULL) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) 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);
bool isNVPTXVectorRegClass (const TargetRegisterClass *RC);
std::string getNVPTXElemClassName (const TargetRegisterClass *RC);
int getNVPTXVectorSize (const TargetRegisterClass *RC);
const TargetRegisterClass *getNVPTXElemClass(const TargetRegisterClass *RC);
} // end namespace llvm
#endif
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