1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//===- BlackfinRegisterInfo.h - Blackfin Register Information ..-*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the Blackfin implementation of the TargetRegisterInfo
// class.
//
//===----------------------------------------------------------------------===//
#ifndef BLACKFINREGISTERINFO_H
#define BLACKFINREGISTERINFO_H
#include "llvm/Target/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "BlackfinGenRegisterInfo.inc"
namespace llvm {
class BlackfinSubtarget;
class TargetInstrInfo;
class Type;
struct BlackfinRegisterInfo : public BlackfinGenRegisterInfo {
BlackfinSubtarget &Subtarget;
const TargetInstrInfo &TII;
BlackfinRegisterInfo(BlackfinSubtarget &st, const TargetInstrInfo &tii);
/// Code Generation virtual methods...
const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
// getSubReg implemented by tablegen
const TargetRegisterClass *getPointerRegClass(unsigned Kind = 0) const {
return &BF::PRegClass;
}
bool requiresRegisterScavenging(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
unsigned getFrameRegister(const MachineFunction &MF) const;
// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
// Utility functions
void adjustRegister(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
DebugLoc DL,
unsigned Reg,
unsigned ScratchReg,
int delta) const;
void loadConstant(MachineBasicBlock &MBB,
MachineBasicBlock::iterator I,
DebugLoc DL,
unsigned Reg,
int value) const;
};
} // end namespace llvm
#endif
|
