lib/Target/X86/X86RegisterInfo.h

   1 //===- X86RegisterInfo.h - X86 Register Information Impl ----------*-C++-*-===//
   2 //
   3 // This file contains the X86 implementation of the MRegisterInfo class.
   4 //
   5 //===----------------------------------------------------------------------===//
   6
   7 #ifndef X86REGISTERINFO_H
   8 #define X86REGISTERINFO_H
   9
  10 #include "llvm/Target/MRegisterInfo.h"
  11
  12 class Type;
  13
  14 struct X86RegisterInfo : public MRegisterInfo {
  15   X86RegisterInfo();
  16
  17   MRegisterInfo::const_iterator const_regclass_begin() const;
  18   MRegisterInfo::const_iterator const_regclass_end() const;
  19
  20   void copyReg2PCRel(MachineBasicBlock *MBB,
  21                      MachineBasicBlock::iterator &MBBI,
  22                      unsigned SrcReg, unsigned ImmOffset,
  23                      unsigned dataSize) const;
  24
  25   void copyPCRel2Reg(MachineBasicBlock *MBB,
  26                      MachineBasicBlock::iterator &MBBI,
  27                      unsigned ImmOffset, unsigned DestReg,
  28                      unsigned dataSize) const;
  29
  30   /// Returns register class appropriate for input SSA register
  31   ///
  32   const TargetRegisterClass *getClassForReg(unsigned Reg) const;
  33
  34   const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
  35
  36   unsigned getNumRegClasses() const;
  37
  38
  39 };
  40
  41 #endif