MipsAsmPrinter.h revision a1514e24cc24b050f53a12650e047799358833a1 
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 Module;
29class raw_ostream;
30
31class LLVM_LIBRARY_VISIBILITY MipsAsmPrinter : public AsmPrinter {
32
33  void EmitInstrWithMacroNoAT(const MachineInstr *MI);
34
35private:
36  // tblgen'erated function.
37  bool emitPseudoExpansionLowering(MCStreamer &OutStreamer,
38                                   const MachineInstr *MI);
39
40  // lowerOperand - Convert a MachineOperand into the equivalent MCOperand.
41  bool lowerOperand(const MachineOperand &MO, MCOperand &MCOp);
42
43public:
44
45  const MipsSubtarget *Subtarget;
46  const MipsFunctionInfo *MipsFI;
47  MipsMCInstLower MCInstLowering;
48
49  explicit MipsAsmPrinter(TargetMachine &TM,  MCStreamer &Streamer)
50    : AsmPrinter(TM, Streamer), MCInstLowering(*this) {
51    Subtarget = &TM.getSubtarget<MipsSubtarget>();
52  }
53
54  virtual const char *getPassName() const {
55    return "Mips Assembly Printer";
56  }
57
58  virtual bool runOnMachineFunction(MachineFunction &MF);
59
60  void EmitInstruction(const MachineInstr *MI);
61  void printSavedRegsBitmask(raw_ostream &O);
62  void printHex32(unsigned int Value, raw_ostream &O);
63  void emitFrameDirective();
64  const char *getCurrentABIString() const;
65  virtual void EmitFunctionEntryLabel();
66  virtual void EmitFunctionBodyStart();
67  virtual void EmitFunctionBodyEnd();
68  virtual bool isBlockOnlyReachableByFallthrough(const MachineBasicBlock*
69                                                 MBB) const;
70  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
71                       unsigned AsmVariant, const char *ExtraCode,
72                       raw_ostream &O);
73  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNum,
74                             unsigned AsmVariant, const char *ExtraCode,
75                             raw_ostream &O);
76  void printOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
77  void printUnsignedImm(const MachineInstr *MI, int opNum, raw_ostream &O);
78  void printMemOperand(const MachineInstr *MI, int opNum, raw_ostream &O);
79  void printMemOperandEA(const MachineInstr *MI, int opNum, raw_ostream &O);
80  void printFCCOperand(const MachineInstr *MI, int opNum, raw_ostream &O,
81                       const char *Modifier = 0);
82  void EmitStartOfAsmFile(Module &M);
83  virtual MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
84  void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
85};
86}
87
88#endif
89
90