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//===-- llvm/Bitcode/ReaderWriter.h - Bitcode reader/writers ----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by Chris Lattner and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines interfaces to read and write LLVM bitcode files/streams.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_BITCODE_H
#define LLVM_BITCODE_H
#include <iosfwd>
#include <string>
namespace llvm {
class Module;
class ModuleProvider;
class MemoryBuffer;
class ModulePass;
/// getBitcodeModuleProvider - Read the header of the specified bitcode buffer
/// and prepare for lazy deserialization of function bodies. If successful,
/// this takes ownership of 'buffer' and returns a non-null pointer. On
/// error, this returns null, *does not* take ownership of Buffer, and fills
/// in *ErrMsg with an error description if ErrMsg is non-null.
ModuleProvider *getBitcodeModuleProvider(MemoryBuffer *Buffer,
std::string *ErrMsg = 0);
/// ParseBitcodeFile - Read the specified bitcode file, returning the module.
/// If an error occurs, this returns null and fills in *ErrMsg if it is
/// non-null. This method *never* takes ownership of Buffer.
Module *ParseBitcodeFile(MemoryBuffer *Buffer, std::string *ErrMsg = 0);
/// WriteBitcodeToFile - Write the specified module to the specified output
/// stream.
void WriteBitcodeToFile(const Module *M, std::ostream &Out);
/// CreateBitcodeWriterPass - Create and return a pass that writes the module
/// to the specified ostream.
ModulePass *CreateBitcodeWriterPass(std::ostream &Str);
} // End llvm namespace
#endif
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