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57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
//===--- lib/CodeGen/DwarfLabel.h - Dwarf Label -----------------*- 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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// DWARF Labels.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CODEGEN_ASMPRINTER_DWARFLABEL_H__
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#define CODEGEN_ASMPRINTER_DWARFLABEL_H__
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#include "llvm/Support/Compiler.h"
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#include <iosfwd>
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#include <vector>
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namespace llvm {
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class FoldingSetNodeID;
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//===--------------------------------------------------------------------===//
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/// DWLabel - Labels are used to track locations in the assembler file.
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/// Labels appear in the form @verbatim <prefix><Tag><Number> @endverbatim,
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/// where the tag is a category of label (Ex. location) and number is a value
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/// unique in that category.
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class VISIBILITY_HIDDEN DWLabel {
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/// Tag - Label category tag. Should always be a statically declared C
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/// string.
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///
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const char *Tag;
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/// Number - Value to make label unique.
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///
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unsigned Number;
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public:
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DWLabel(const char *T, unsigned N) : Tag(T), Number(N) {}
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// Accessors.
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const char *getTag() const { return Tag; }
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unsigned getNumber() const { return Number; }
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/// Profile - Used to gather unique data for the folding set.
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///
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void Profile(FoldingSetNodeID &ID) const;
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#ifndef NDEBUG
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void print(std::ostream *O) const;
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void print(std::ostream &O) const;
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#endif
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};
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} // end llvm namespace
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#endif
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