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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
//===- 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
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