1//===-- R600RegisterInfo.h - R600 Register Info Interface ------*- C++ -*--===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10/// \file 11/// \brief Interface definition for R600RegisterInfo 12// 13//===----------------------------------------------------------------------===// 14 15#ifndef LLVM_LIB_TARGET_R600_R600REGISTERINFO_H 16#define LLVM_LIB_TARGET_R600_R600REGISTERINFO_H 17 18#include "AMDGPURegisterInfo.h" 19 20namespace llvm { 21 22class AMDGPUSubtarget; 23 24struct R600RegisterInfo : public AMDGPURegisterInfo { 25 RegClassWeight RCW; 26 27 R600RegisterInfo(); 28 29 BitVector getReservedRegs(const MachineFunction &MF) const override; 30 31 /// \brief get the HW encoding for a register's channel. 32 unsigned getHWRegChan(unsigned reg) const; 33 34 unsigned getHWRegIndex(unsigned Reg) const override; 35 36 /// \brief get the register class of the specified type to use in the 37 /// CFGStructurizer 38 const TargetRegisterClass *getCFGStructurizerRegClass(MVT VT) const; 39 40 const RegClassWeight & 41 getRegClassWeight(const TargetRegisterClass *RC) const override; 42 43 // \returns true if \p Reg can be defined in one ALU caluse and used in another. 44 bool isPhysRegLiveAcrossClauses(unsigned Reg) const; 45}; 46 47} // End namespace llvm 48 49#endif 50