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      1 //===-- SparcRegisterInfo.h - Sparc 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 Sparc implementation of the TargetRegisterInfo class.
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 #ifndef SPARCREGISTERINFO_H
     15 #define SPARCREGISTERINFO_H
     16 
     17 #include "llvm/Target/TargetRegisterInfo.h"
     18 
     19 #define GET_REGINFO_HEADER
     20 #include "SparcGenRegisterInfo.inc"
     21 
     22 namespace llvm {
     23 
     24 class SparcSubtarget;
     25 class TargetInstrInfo;
     26 class Type;
     27 
     28 struct SparcRegisterInfo : public SparcGenRegisterInfo {
     29   SparcSubtarget &Subtarget;
     30 
     31   SparcRegisterInfo(SparcSubtarget &st);
     32 
     33   /// Code Generation virtual methods...
     34   const MCPhysReg *
     35   getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override;
     36   const uint32_t* getCallPreservedMask(CallingConv::ID CC) const override;
     37 
     38   const uint32_t* getRTCallPreservedMask(CallingConv::ID CC) const;
     39 
     40   BitVector getReservedRegs(const MachineFunction &MF) const override;
     41 
     42   const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
     43                                                 unsigned Kind) const override;
     44 
     45   void eliminateFrameIndex(MachineBasicBlock::iterator II,
     46                            int SPAdj, unsigned FIOperandNum,
     47                            RegScavenger *RS = nullptr) const override;
     48 
     49   void processFunctionBeforeFrameFinalized(MachineFunction &MF,
     50                                        RegScavenger *RS = nullptr) const;
     51 
     52   // Debug information queries.
     53   unsigned getFrameRegister(const MachineFunction &MF) const override;
     54 };
     55 
     56 } // end namespace llvm
     57 
     58 #endif
     59