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