llvm/lib/CodeGen/AsmPrinter/DwarfStringPool.h
Chandler Carruth 1b279144ec [cleanup] Re-sort all the #include lines in LLVM using
utils/sort_includes.py.

I clearly haven't done this in a while, so more changed than usual. This
even uncovered a missing include from the InstrProf library that I've
added. No functionality changed here, just mechanical cleanup of the
include order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225974 91177308-0d34-0410-b5e6-96231b3b80d8
2015-01-14 11:23:27 +00:00

50 lines
1.4 KiB
C++

//===-- llvm/CodeGen/DwarfStringPool.h - Dwarf Debug Framework -*- C++ -*--===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
#define LLVM_LIB_CODEGEN_ASMPRINTER_DWARFSTRINGPOOL_H
#include "llvm/ADT/StringMap.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/Support/Allocator.h"
#include <utility>
namespace llvm {
class MCSymbol;
class MCSection;
class StringRef;
// Collection of strings for this unit and assorted symbols.
// A String->Symbol mapping of strings used by indirect
// references.
class DwarfStringPool {
StringMap<std::pair<MCSymbol *, unsigned>, BumpPtrAllocator &> Pool;
StringRef Prefix;
public:
DwarfStringPool(BumpPtrAllocator &A, AsmPrinter &Asm, StringRef Prefix)
: Pool(A), Prefix(Prefix) {}
void emit(AsmPrinter &Asm, const MCSection *StrSection,
const MCSection *OffsetSection = nullptr);
/// \brief Returns an entry into the string pool with the given
/// string text.
MCSymbol *getSymbol(AsmPrinter &Asm, StringRef Str);
/// \brief Returns the index into the string pool with the given
/// string text.
unsigned getIndex(AsmPrinter &Asm, StringRef Str);
bool empty() const { return Pool.empty(); }
};
}
#endif