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/Target/TargetRegisterInfo.h" 18 19 #define GET_REGINFO_HEADER 20 #include "LanaiGenRegisterInfo.inc" 21 22 namespace llvm { 23 24 class TargetInstrInfo; 25 class Type; 26 27 struct LanaiRegisterInfo : public LanaiGenRegisterInfo { 28 LanaiRegisterInfo(); 29 30 const uint32_t *getCallPreservedMask(const MachineFunction &MF, 31 CallingConv::ID) const override; 32 33 // Code Generation virtual methods. 34 const uint16_t * 35 getCalleeSavedRegs(const MachineFunction *MF = 0) const override; 36 37 BitVector getReservedRegs(const MachineFunction &MF) const override; 38 39 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 40 41 bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override; 42 43 void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, 44 unsigned FIOperandNum, 45 RegScavenger *RS = NULL) const override; 46 47 bool canRealignStack(const MachineFunction &MF) const override; 48 49 // Debug information queries. 50 unsigned getRARegister() const; 51 unsigned getFrameRegister(const MachineFunction &MF) const override; 52 unsigned getBaseRegister() const; 53 bool hasBasePointer(const MachineFunction &MF) const; 54 55 // Exception handling queries. 56 unsigned getEHExceptionRegister() const; 57 unsigned getEHHandlerRegister() const; 58 int getDwarfRegNum(unsigned RegNum, bool IsEH) const; 59 }; 60 61 } // namespace llvm 62 63 #endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H 64