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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   const TargetInstrInfo &TII;
     31 
     32   SparcRegisterInfo(SparcSubtarget &st, const TargetInstrInfo &tii);
     33 
     34   /// Code Generation virtual methods...
     35   const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
     36 
     37   BitVector getReservedRegs(const MachineFunction &MF) const;
     38 
     39   void eliminateCallFramePseudoInstr(MachineFunction &MF,
     40                                      MachineBasicBlock &MBB,
     41                                      MachineBasicBlock::iterator I) const;
     42 
     43   void eliminateFrameIndex(MachineBasicBlock::iterator II,
     44                            int SPAdj, RegScavenger *RS = NULL) const;
     45 
     46   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
     47 
     48   // Debug information queries.
     49   unsigned getFrameRegister(const MachineFunction &MF) const;
     50 
     51   // Exception handling queries.
     52   unsigned getEHExceptionRegister() const;
     53   unsigned getEHHandlerRegister() const;
     54 };
     55 
     56 } // end namespace llvm
     57 
     58 #endif
     59