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//===-- AMDGPURegisterInfo.h - AMDGPURegisterInfo Interface -*- C++ -*-----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
/// \brief TargetRegisterInfo interface that is implemented by all hw codegen
/// targets.
//
//===----------------------------------------------------------------------===//
#ifndef AMDGPUREGISTERINFO_H
#define AMDGPUREGISTERINFO_H
#include "llvm/ADT/BitVector.h"
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#define GET_REGINFO_ENUM
#include "AMDGPUGenRegisterInfo.inc"
namespace llvm {
class AMDGPUTargetMachine;
class TargetInstrInfo;
struct AMDGPURegisterInfo : public AMDGPUGenRegisterInfo {
TargetMachine &TM;
const TargetInstrInfo &TII;
static const uint16_t CalleeSavedReg;
AMDGPURegisterInfo(TargetMachine &tm, const TargetInstrInfo &tii);
virtual BitVector getReservedRegs(const MachineFunction &MF) const {
assert(!"Unimplemented"); return BitVector();
}
/// \param RC is an AMDIL reg class.
///
/// \returns The ISA reg class that is equivalent to \p RC.
virtual const TargetRegisterClass * getISARegClass(
const TargetRegisterClass * RC) const {
assert(!"Unimplemented"); return NULL;
}
virtual const TargetRegisterClass* getCFGStructurizerRegClass(MVT VT) const {
assert(!"Unimplemented"); return NULL;
}
const uint16_t* getCalleeSavedRegs(const MachineFunction *MF) const;
void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS) const;
unsigned getFrameRegister(const MachineFunction &MF) const;
unsigned getIndirectSubReg(unsigned IndirectIndex) const;
};
} // End namespace llvm
#endif // AMDIDSAREGISTERINFO_H
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