1 //===-- AMDGPURegisterInfo.h - AMDGPURegisterInfo 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 TargetRegisterInfo interface that is implemented by all hw codegen 12 /// targets. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H 17 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H 18 19 #include "llvm/Target/TargetRegisterInfo.h" 20 21 #define GET_REGINFO_HEADER 22 #define GET_REGINFO_ENUM 23 #include "AMDGPUGenRegisterInfo.inc" 24 25 namespace llvm { 26 27 class AMDGPUSubtarget; 28 class TargetInstrInfo; 29 30 struct AMDGPURegisterInfo : public AMDGPUGenRegisterInfo { 31 AMDGPURegisterInfo(); 32 33 /// \returns the sub reg enum value for the given \p Channel 34 /// (e.g. getSubRegFromChannel(0) -> AMDGPU::sub0) 35 unsigned getSubRegFromChannel(unsigned Channel) const; 36 37 const MCPhysReg* getCalleeSavedRegs(const MachineFunction *MF) const override; 38 unsigned getFrameRegister(const MachineFunction &MF) const override; 39 }; 40 41 } // End namespace llvm 42 43 #endif 44
