X86AsmPrinter.h revision 218893 
1//===-- X86AsmPrinter.h - Convert X86 LLVM code to assembly -----*- 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// AT&T assembly code printer class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef X86ASMPRINTER_H
15#define X86ASMPRINTER_H
16
17#include "X86.h"
18#include "X86MachineFunctionInfo.h"
19#include "X86TargetMachine.h"
20#include "llvm/ADT/StringSet.h"
21#include "llvm/CodeGen/AsmPrinter.h"
22#include "llvm/CodeGen/MachineModuleInfo.h"
23#include "llvm/CodeGen/ValueTypes.h"
24#include "llvm/Support/Compiler.h"
25
26namespace llvm {
27
28class MachineJumpTableInfo;
29class MCContext;
30class MCInst;
31class MCStreamer;
32class MCSymbol;
33
34class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
35  const X86Subtarget *Subtarget;
36 public:
37  explicit X86AsmPrinter(TargetMachine &TM, MCStreamer &Streamer)
38    : AsmPrinter(TM, Streamer) {
39    Subtarget = &TM.getSubtarget<X86Subtarget>();
40  }
41
42  virtual const char *getPassName() const {
43    return "X86 AT&T-Style Assembly Printer";
44  }
45
46  const X86Subtarget &getSubtarget() const { return *Subtarget; }
47
48  virtual void EmitStartOfAsmFile(Module &M);
49
50  virtual void EmitEndOfAsmFile(Module &M);
51
52  virtual void EmitInstruction(const MachineInstr *MI);
53
54  void printSymbolOperand(const MachineOperand &MO, raw_ostream &O);
55
56  // These methods are used by the tablegen'erated instruction printer.
57  void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
58                    const char *Modifier = 0);
59  void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
60
61  bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);
62  bool PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
63                       unsigned AsmVariant, const char *ExtraCode,
64                       raw_ostream &OS);
65  bool PrintAsmMemoryOperand(const MachineInstr *MI, unsigned OpNo,
66                             unsigned AsmVariant, const char *ExtraCode,
67                             raw_ostream &OS);
68
69  void printMachineInstruction(const MachineInstr *MI);
70  void printSSECC(const MachineInstr *MI, unsigned Op, raw_ostream &O);
71  void printMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
72                         const char *Modifier=NULL);
73  void printLeaMemReference(const MachineInstr *MI, unsigned Op, raw_ostream &O,
74                            const char *Modifier=NULL);
75
76  void printPICLabel(const MachineInstr *MI, unsigned Op, raw_ostream &O);
77
78  bool runOnMachineFunction(MachineFunction &F);
79
80  void PrintDebugValueComment(const MachineInstr *MI, raw_ostream &OS);
81
82  MachineLocation getDebugValueLocation(const MachineInstr *MI) const;
83};
84
85} // end namespace llvm
86
87#endif
88