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      1 //===-- SIRegisterInfo.h - SI Register Info Interface ----------*- 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 // Interface definition for SIRegisterInfo
     11 //
     12 //===----------------------------------------------------------------------===//
     13 
     14 
     15 #ifndef SIREGISTERINFO_H_
     16 #define SIREGISTERINFO_H_
     17 
     18 #include "AMDGPURegisterInfo.h"
     19 
     20 namespace llvm {
     21 
     22 class AMDGPUTargetMachine;
     23 class TargetInstrInfo;
     24 
     25 struct SIRegisterInfo : public AMDGPURegisterInfo
     26 {
     27   AMDGPUTargetMachine &TM;
     28   const TargetInstrInfo &TII;
     29 
     30   SIRegisterInfo(AMDGPUTargetMachine &tm, const TargetInstrInfo &tii);
     31 
     32   virtual BitVector getReservedRegs(const MachineFunction &MF) const;
     33 
     34   /// getBinaryCode - Returns the hardware encoding for a register
     35   virtual unsigned getBinaryCode(unsigned reg) const;
     36 
     37   /// getISARegClass - rc is an AMDIL reg class.  This function returns the
     38   /// SI register class that is equivalent to the given AMDIL register class.
     39   virtual const TargetRegisterClass *
     40     getISARegClass(const TargetRegisterClass * rc) const;
     41 
     42   /// getHWRegNum - Generated function that returns the hardware encoding for
     43   /// a register
     44   unsigned getHWRegNum(unsigned reg) const;
     45 
     46   /// getCFGStructurizerRegClass - get the register class of the specified
     47   /// type to use in the CFGStructurizer
     48   virtual const TargetRegisterClass * getCFGStructurizerRegClass(MVT VT) const;
     49 
     50 };
     51 
     52 } // End namespace llvm
     53 
     54 #endif // SIREGISTERINFO_H_
     55