MipsAsmPrinter.h revision 320296a4cfe414ce59f406b8a5ce15272f563103 
1//===-- MipsAsmPrinter.h - Mips LLVM Assembly Printer ----------*- 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// Mips Assembly printer class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef MIPSASMPRINTER_H
15#define MIPSASMPRINTER_H
16
17#include "MipsMCInstLower.h"
18#include "MipsMachineFunction.h"
19#include "MipsSubtarget.h"
20#include "llvm/CodeGen/AsmPrinter.h"
21#include "llvm/Support/Compiler.h"
22#include "llvm/Target/TargetMachine.h"
23
24namespace llvm {
25class MCStreamer;
26class MachineInstr;
27class MachineBasicBlock;
28class MipsTargetStreamer;
29class Module;
30class raw_ostream;
31
32class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
33  MipsTargetStreamer &getTargetStreamer();
34
35  void EmitInstrWithMacroNoAT(const MachineInstr *MI);
36
37private:
38  // tblgen'erated function.
39  bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
40                                   const MachineInstr *MI);
41
42  // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
43  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
44
45public:
46
47  const MipsSubtarget *Subtarget;
48  const MipsFunctionInfo *MipsFI;
49  MipsMCInstLower MCInstLowering;
50
51  explicit MipsAsmPrinter(TargetMachine &TM,  MCStreamer &Streamer)
52    : AsmPrinter(TM, Streamer), MCInstLowering(*this) {
53    Subtarget = &TM.getSubtarget<MipsSubtarget>();
54  }
55
56  virtual const char *getPassName() const {
57    return "Mips Assembly Printer";
58  }
59
60  virtual bool runOnMachineFunction(MachineFunction &MF);
61
62  void EmitInstruction(const MachineInstr *MI);
63  void printSavedRegsBitmask(raw_ostream &O);
64  void printHex32(unsigned int Value, raw_ostream &O);
65  void emitFrameDirective();
66  const char *getCurrentABIString() const;
67  virtual void EmitFunctionEntryLabel();
68  virtual void EmitFunctionBodyStart();
69  virtual void EmitFunctionBodyEnd();
70  virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock*
71                                                 MBB) const;
72  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
73                       unsigned AsmVariant, const char *ExtraCode,
74                       raw_ostream &O);
75  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
76                             unsigned AsmVariant, const char *ExtraCode,
77                             raw_ostream &O);
78  void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
79  void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
80  void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
81  void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
82  void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
83                       const char *Modifier = 0);
84  void EmitStartOfAsmFile(Module &M);
85  void EmitEndOfAsmFile(Module &M);
86  void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
87};
88}
89
90#endif
91
92