llvm-6502/lib/Target/R600/SIMachineFunctionInfo.h

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//===- SIMachineFunctionInfo.h - SIMachineFunctionInfo interface -*- C++ -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
/// \file
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_R600_SIMACHINEFUNCTIONINFO_H
#define LLVM_LIB_TARGET_R600_SIMACHINEFUNCTIONINFO_H
#include "AMDGPUMachineFunction.h"
#include "SIRegisterInfo.h"
#include <map>
namespace llvm {
class MachineRegisterInfo;
/// This class keeps track of the SPI_SP_INPUT_ADDR config register, which
/// tells the hardware which interpolation parameters to load.
class SIMachineFunctionInfo : public AMDGPUMachineFunction {
void anchor() override;
unsigned TIDReg;
bool HasSpilledVGPRs;
public:
struct SpilledReg {
unsigned VGPR;
int Lane;
SpilledReg(unsigned R, int L) : VGPR (R), Lane (L) { }
SpilledReg() : VGPR(0), Lane(-1) { }
bool hasLane() { return Lane != -1;}
};
// SIMachineFunctionInfo definition
SIMachineFunctionInfo(const MachineFunction &MF);
SpilledReg getSpilledReg(MachineFunction *MF, unsigned FrameIndex,
unsigned SubIdx);
unsigned PSInputAddr;
unsigned NumUserSGPRs;
std::map<unsigned, unsigned> LaneVGPRs;
unsigned LDSWaveSpillSize;
unsigned ScratchOffsetReg;
bool hasCalculatedTID() const { return TIDReg != AMDGPU::NoRegister; };
unsigned getTIDReg() const { return TIDReg; };
void setTIDReg(unsigned Reg) { TIDReg = Reg; }
bool hasSpilledVGPRs() const { return HasSpilledVGPRs; }
void setHasSpilledVGPRs(bool Spill = true) { HasSpilledVGPRs = Spill; }
unsigned getMaximumWorkGroupSize(const MachineFunction &MF) const;
};
} // End namespace llvm
#endif