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//===--- BackendUtil.h - LLVM Backend Utilities -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_CODEGEN_BACKENDUTIL_H
#define LLVM_CLANG_CODEGEN_BACKENDUTIL_H
#include "clang/Basic/LLVM.h"
#include "llvm/IR/ModuleSummaryIndex.h"
#include <memory>
namespace llvm {
class BitcodeModule;
template <typename T> class Expected;
class Module;
class MemoryBufferRef;
}
namespace clang {
class DiagnosticsEngine;
class HeaderSearchOptions;
class CodeGenOptions;
class TargetOptions;
class LangOptions;
enum BackendAction {
Backend_EmitAssembly, ///< Emit native assembly files
Backend_EmitBC, ///< Emit LLVM bitcode files
Backend_EmitLL, ///< Emit human-readable LLVM assembly
Backend_EmitNothing, ///< Don't emit anything (benchmarking mode)
Backend_EmitMCNull, ///< Run CodeGen, but don't emit anything
Backend_EmitObj ///< Emit native object files
};
void EmitBackendOutput(DiagnosticsEngine &Diags, const HeaderSearchOptions &,
const CodeGenOptions &CGOpts,
const TargetOptions &TOpts, const LangOptions &LOpts,
const llvm::DataLayout &TDesc, llvm::Module *M,
BackendAction Action,
std::unique_ptr<raw_pwrite_stream> OS);
void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts,
llvm::MemoryBufferRef Buf);
llvm::Expected<llvm::BitcodeModule>
FindThinLTOModule(llvm::MemoryBufferRef MBRef);
llvm::BitcodeModule *
FindThinLTOModule(llvm::MutableArrayRef<llvm::BitcodeModule> BMs);
}
#endif
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