Coverage Report

Created: 2019-02-20 00:17

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/include/llvm/MC/MCLabel.h
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//===- MCLabel.h - Machine Code Directional Local Labels --------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains the declaration of the MCLabel class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_MC_MCLABEL_H
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#define LLVM_MC_MCLABEL_H
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namespace llvm {
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class raw_ostream;
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/// Instances of this class represent a label name in the MC file,
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/// and MCLabel are created and uniqued by the MCContext class.  MCLabel
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/// should only be constructed for valid instances in the object file.
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class MCLabel {
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  // The instance number of this Directional Local Label.
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  unsigned Instance;
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private: // MCContext creates and uniques these.
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  friend class MCContext;
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  MCLabel(unsigned instance) : Instance(instance) {}
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public:
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  MCLabel(const MCLabel &) = delete;
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  MCLabel &operator=(const MCLabel &) = delete;
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  /// Get the current instance of this Directional Local Label.
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  unsigned getInstance() const { return Instance; }
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  /// Increment the current instance of this Directional Local Label.
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  unsigned incInstance() { return ++Instance; }
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  /// Print the value to the stream \p OS.
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  void print(raw_ostream &OS) const;
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  /// Print the value to stderr.
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  void dump() const;
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};
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inline raw_ostream &operator<<(raw_ostream &OS, const MCLabel &Label) {
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  Label.print(OS);
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  return OS;
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}
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} // end namespace llvm
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#endif // LLVM_MC_MCLABEL_H