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//===- BitReader_2_7.h - Internal BitcodeReader 2.7 impl --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header defines the BitcodeReader class.
//
//===----------------------------------------------------------------------===//
#ifndef BITREADER_2_7_H
#define BITREADER_2_7_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/Bitcode/BitstreamReader.h"
#include "llvm/Bitcode/LLVMBitCodes.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/GVMaterializer.h"
#include "llvm/IR/OperandTraits.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/ValueHandle.h"
#include "llvm/Support/ErrorOr.h"
#include <string>
namespace llvm {
class LLVMContext;
class MemoryBuffer;
class MemoryBufferRef;
class Module;
} // End llvm namespace
namespace llvm_2_7 {
using llvm::DiagnosticHandlerFunction;
using llvm::LLVMContext;
using llvm::MemoryBuffer;
using llvm::MemoryBufferRef;
/// Read the header of the specified bitcode buffer and prepare for lazy
/// deserialization of function bodies. If successful, this moves Buffer. On
/// error, this *does not* move Buffer.
llvm::ErrorOr<llvm::Module *>
getLazyBitcodeModule(std::unique_ptr<MemoryBuffer> &&Buffer,
LLVMContext &Context,
const DiagnosticHandlerFunction &DiagnosticHandler = nullptr);
/// Read the header of the specified bitcode buffer and extract just the
/// triple information. If successful, this returns a string. On error, this
/// returns "".
std::string
getBitcodeTargetTriple(MemoryBufferRef Buffer, LLVMContext &Context,
DiagnosticHandlerFunction DiagnosticHandler = nullptr);
/// Read the specified bitcode file, returning the module.
llvm::ErrorOr<llvm::Module *>
parseBitcodeFile(MemoryBufferRef Buffer, LLVMContext &Context,
const DiagnosticHandlerFunction &DiagnosticHandler = nullptr);
} // End llvm_2_7 namespace
#endif
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