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 LLVM_LIB_TARGET_XCORE_XCOREREGISTERINFO_H 15 #define LLVM_LIB_TARGET_XCORE_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 *getCalleeSavedRegs(const MachineFunction *MF) 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 bool useFPForScavengingIndex(const MachineFunction &MF) const override; 41 42 void eliminateFrameIndex(MachineBasicBlock::iterator II, 43 int SPAdj, unsigned FIOperandNum, 44 RegScavenger *RS = nullptr) const override; 45 46 // Debug information queries. 47 unsigned getFrameRegister(const MachineFunction &MF) const override; 48 49 //! Return whether to emit frame moves 50 static bool needsFrameMoves(const MachineFunction &MF); 51 }; 52 53 } // end namespace llvm 54 55 #endif 56