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93c7ec80b7
* wrap code blocks in \code ... \endcode; * refer to parameter names in paragraphs correctly (\arg is not what most people want -- it starts a new paragraph); * use \param instead of \arg to document parameters in order to be consistent with the rest of the codebase. llvm-svn: 163902
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
//===- MCLabel.h - Machine Code Directional Local Labels --------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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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#include "llvm/Support/Compiler.h"
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namespace llvm {
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class MCContext;
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class raw_ostream;
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/// MCLabel - Instances of this class represent a label name in the MC file,
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/// and MCLabel are created and unique'd 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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// Instance - 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)
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: Instance(instance) {}
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MCLabel(const MCLabel&) LLVM_DELETED_FUNCTION;
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void operator=(const MCLabel&) LLVM_DELETED_FUNCTION;
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public:
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/// getInstance - Get the current instance of this Directional Local Label.
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unsigned getInstance() const { return Instance; }
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/// incInstance - Increment the current instance of this Directional Local
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/// Label.
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unsigned incInstance() { return ++Instance; }
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/// print - Print the value to the stream \p OS.
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void print(raw_ostream &OS) const;
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/// dump - 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
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