1 //===- LanaiRegisterInfo.h - Lanai Register Information Impl ----*- 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 // This file contains the Lanai implementation of the TargetRegisterInfo class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 15 #define LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 16 17 #include "llvm/CodeGen/TargetRegisterInfo.h" 18 19 #define GET_REGINFO_HEADER 20 #include "LanaiGenRegisterInfo.inc" 21 22 namespace llvm { 23 24 struct LanaiRegisterInfo : public LanaiGenRegisterInfo { 25 LanaiRegisterInfo(); 26 27 const uint32_t *getCallPreservedMask(const MachineFunction &MF, 28 CallingConv::ID) const override; 29 30 // Code Generation virtual methods. 31 const uint16_t * 32 getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override; 33 34 BitVector getReservedRegs(const MachineFunction &MF) const override; 35 36 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 37 38 bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override; 39 40 void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, 41 unsigned FIOperandNum, 42 RegScavenger *RS = nullptr) const override; 43 44 // Debug information queries. 45 unsigned getRARegister() const; 46 unsigned getFrameRegister(const MachineFunction &MF) const override; 47 unsigned getBaseRegister() const; 48 bool hasBasePointer(const MachineFunction &MF) const; 49 50 int getDwarfRegNum(unsigned RegNum, bool IsEH) const; 51 }; 52 53 } // end namespace llvm 54 55 #endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 56