1 //===-- XCoreRegisterInfo.h - XCore 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 XCore implementation of the MRegisterInfo class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef XCOREREGISTERINFO_H 15 #define XCOREREGISTERINFO_H 16 17 #include "llvm/Target/TargetRegisterInfo.h" 18 19 #define GET_REGINFO_HEADER 20 #include "XCoreGenRegisterInfo.inc" 21 22 namespace llvm { 23 24 class TargetInstrInfo; 25 26 struct XCoreRegisterInfo : public XCoreGenRegisterInfo { 27 public: 28 XCoreRegisterInfo(); 29 30 /// Code Generation virtual methods... 31 32 const MCPhysReg * 33 getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override; 34 35 BitVector getReservedRegs(const MachineFunction &MF) const override; 36 37 bool requiresRegisterScavenging(const MachineFunction &MF) const override; 38 39 bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override; 40 41 bool useFPForScavengingIndex(const MachineFunction &MF) const override; 42 43 void eliminateFrameIndex(MachineBasicBlock::iterator II, 44 int SPAdj, unsigned FIOperandNum, 45 RegScavenger *RS = nullptr) const override; 46 47 // Debug information queries. 48 unsigned getFrameRegister(const MachineFunction &MF) const override; 49 50 //! Return whether to emit frame moves 51 static bool needsFrameMoves(const MachineFunction &MF); 52 }; 53 54 } // end namespace llvm 55 56 #endif 57
