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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
//===-- MipsAsmPrinter.h - Mips LLVM Assembly Printer ----------*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Mips Assembly printer class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSASMPRINTER_H
#define MIPSASMPRINTER_H
#include "MipsMCInstLower.h"
#include "MipsMachineFunction.h"
#include "MipsSubtarget.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Target/TargetMachine.h"
namespace llvm {
class MCStreamer;
class MachineInstr;
class MachineBasicBlock;
class MipsTargetStreamer;
class Module;
class raw_ostream;
class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
MipsTargetStreamer &getTargetStreamer();
void EmitInstrWithMacroNoAT(const MachineInstr *MI);
private:
// tblgen'erated function.
bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
const MachineInstr *MI);
// lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
/// MCP - Keep a pointer to constantpool entries of the current
/// MachineFunction.
const MachineConstantPool *MCP;
/// InConstantPool - Maintain state when emitting a sequence of constant
/// pool entries so we can properly mark them as data regions.
bool InConstantPool;
public:
const MipsSubtarget *Subtarget;
const MipsFunctionInfo *MipsFI;
MipsMCInstLower MCInstLowering;
explicit MipsAsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
: AsmPrinter(TM, Streamer), MCP(0), InConstantPool(false),
MCInstLowering(*this) {
Subtarget = &TM.getSubtarget<MipsSubtarget>();
}
virtual const char *getPassName() const {
return "Mips Assembly Printer";
}
virtual bool runOnMachineFunction(MachineFunction &MF);
virtual void EmitConstantPool() LLVM_OVERRIDE {
bool UsingConstantPools =
(Subtarget->inMips16Mode() && Subtarget->useConstantIslands());
if (!UsingConstantPools)
AsmPrinter::EmitConstantPool();
// we emit constant pools customly!
}
void EmitInstruction(const MachineInstr *MI);
void printSavedRegsBitmask();
void emitFrameDirective();
const char *getCurrentABIString() const;
virtual void EmitFunctionEntryLabel();
virtual void EmitFunctionBodyStart();
virtual void EmitFunctionBodyEnd();
virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock*
MBB) const;
bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &O);
bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
unsigned AsmVariant, const char *ExtraCode,
raw_ostream &O);
void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
void printUnsignedImm8(const MachineInstr *MI, int opNum, raw_ostream &O);
void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
const char *Modifier = 0);
void EmitStartOfAsmFile(Module &M);
void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
};
}
#endif
|
