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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"
#include <sstream>
#define GET_REGINFO_HEADER
#include "NVPTXGenRegisterInfo.inc"
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 NVPTXSubtarget &st);
//------------------------------------------------------
// Pure virtual functions from TargetRegisterInfo
//------------------------------------------------------
// NVPTX callee saved registers
const MCPhysReg *
getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
unsigned getFrameRegister(const MachineFunction &MF) const override;
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
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