1 //===-- AMDGPURegisterInfo.h - AMDGPURegisterInfo Interface -*- C++ -*-----===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 /// \brief TargetRegisterInfo interface that is implemented by all hw codegen
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H
17 #define LLVM_LIB_TARGET_AMDGPU_AMDGPUREGISTERINFO_H
19 #include "llvm/Target/TargetRegisterInfo.h"
21 #define GET_REGINFO_HEADER
22 #define GET_REGINFO_ENUM
23 #include "AMDGPUGenRegisterInfo.inc"
27 class AMDGPUSubtarget;
28 class TargetInstrInfo;
30 struct AMDGPURegisterInfo : public AMDGPUGenRegisterInfo {
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;
37 const MCPhysReg* getCalleeSavedRegs(const MachineFunction *MF) const override;
38 unsigned getFrameRegister(const MachineFunction &MF) const override;
41 } // End namespace llvm