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 uint16_t *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
35   const uint32_t* getCallPreservedMask(CallingConv::ID CC) const;
36 
37   const uint32_t* getRTCallPreservedMask(CallingConv::ID CC) const;
38 
39   BitVector getReservedRegs(const MachineFunction &MF) const;
40 
41   const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
42                                                 unsigned Kind) const;
43 
44   void eliminateFrameIndex(MachineBasicBlock::iterator II,
45                            int SPAdj, unsigned FIOperandNum,
46                            RegScavenger *RS = NULL) const;
47 
48   void processFunctionBeforeFrameFinalized(MachineFunction &MF,
49                                        RegScavenger *RS = NULL) const;
50 
51   // Debug information queries.
52   unsigned getFrameRegister(const MachineFunction &MF) const;
53 };
54 
55 } // end namespace llvm
56 
57 #endif
58