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
20namespace llvm {
21
22class AMDGPUTargetMachine;
23class TargetInstrInfo;
24
25struct 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