- //===--- BackendUtil.h - LLVM Backend Utilities -----------------*- C++ -*-===// 
- // 
- // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 
- // See https://llvm.org/LICENSE.txt for license information. 
- // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 
- // 
- //===----------------------------------------------------------------------===// 
-   
- #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, 
-                          StringRef TDesc, llvm::Module *M, BackendAction Action, 
-                          std::unique_ptr<raw_pwrite_stream> OS); 
-   
-   void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts, 
-                     llvm::MemoryBufferRef Buf); 
-   
-   void EmbedObject(llvm::Module *M, const CodeGenOptions &CGOpts, 
-                    DiagnosticsEngine &Diags); 
- } 
-   
- #endif 
-