llvm-6502/lib/CodeGen/AsmPrinter/DwarfLabel.h

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