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