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MCLabel.h (225736) MCLabel.h (245431)
1//===- MCLabel.h - Machine Code Directional Local Labels --------*- 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// This file contains the declaration of the MCLabel class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_MC_MCLABEL_H
15#define LLVM_MC_MCLABEL_H
16
1//===- MCLabel.h - Machine Code Directional Local Labels --------*- 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// This file contains the declaration of the MCLabel class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_MC_MCLABEL_H
15#define LLVM_MC_MCLABEL_H
16
17#include "llvm/Support/Compiler.h"
18
17namespace llvm {
18 class MCContext;
19 class raw_ostream;
20
21 /// MCLabel - Instances of this class represent a label name in the MC file,
22 /// and MCLabel are created and unique'd by the MCContext class. MCLabel
23 /// should only be constructed for valid instances in the object file.
24 class MCLabel {
25 // Instance - the instance number of this Directional Local Label
26 unsigned Instance;
27
28 private: // MCContext creates and uniques these.
29 friend class MCContext;
30 MCLabel(unsigned instance)
31 : Instance(instance) {}
32
19namespace llvm {
20 class MCContext;
21 class raw_ostream;
22
23 /// MCLabel - Instances of this class represent a label name in the MC file,
24 /// and MCLabel are created and unique'd by the MCContext class. MCLabel
25 /// should only be constructed for valid instances in the object file.
26 class MCLabel {
27 // Instance - the instance number of this Directional Local Label
28 unsigned Instance;
29
30 private: // MCContext creates and uniques these.
31 friend class MCContext;
32 MCLabel(unsigned instance)
33 : Instance(instance) {}
34
33 MCLabel(const MCLabel&); // DO NOT IMPLEMENT
34 void operator=(const MCLabel&); // DO NOT IMPLEMENT
35 MCLabel(const MCLabel&) LLVM_DELETED_FUNCTION;
36 void operator=(const MCLabel&) LLVM_DELETED_FUNCTION;
35 public:
36 /// getInstance - Get the current instance of this Directional Local Label.
37 unsigned getInstance() const { return Instance; }
38
39 /// incInstance - Increment the current instance of this Directional Local
40 /// Label.
41 unsigned incInstance() { return ++Instance; }
42
37 public:
38 /// getInstance - Get the current instance of this Directional Local Label.
39 unsigned getInstance() const { return Instance; }
40
41 /// incInstance - Increment the current instance of this Directional Local
42 /// Label.
43 unsigned incInstance() { return ++Instance; }
44
43 /// print - Print the value to the stream \arg OS.
45 /// print - Print the value to the stream \p OS.
44 void print(raw_ostream &OS) const;
45
46 /// dump - Print the value to stderr.
47 void dump() const;
48 };
49
50 inline raw_ostream &operator<<(raw_ostream &OS, const MCLabel &Label) {
51 Label.print(OS);
52 return OS;
53 }
54} // end namespace llvm
55
56#endif
46 void print(raw_ostream &OS) const;
47
48 /// dump - Print the value to stderr.
49 void dump() const;
50 };
51
52 inline raw_ostream &operator<<(raw_ostream &OS, const MCLabel &Label) {
53 Label.print(OS);
54 return OS;
55 }
56} // end namespace llvm
57
58#endif