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      1 //===--- BackendUtil.h - LLVM Backend Utilities -----------------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #ifndef LLVM_CLANG_CODEGEN_BACKEND_UTIL_H
     11 #define LLVM_CLANG_CODEGEN_BACKEND_UTIL_H
     12 
     13 #include "clang/Basic/LLVM.h"
     14 
     15 namespace llvm {
     16   class Module;
     17 }
     18 
     19 namespace clang {
     20   class DiagnosticsEngine;
     21   class CodeGenOptions;
     22   class TargetOptions;
     23   class LangOptions;
     24 
     25   enum BackendAction {
     26     Backend_EmitAssembly,  ///< Emit native assembly files
     27     Backend_EmitBC,        ///< Emit LLVM bitcode files
     28     Backend_EmitLL,        ///< Emit human-readable LLVM assembly
     29     Backend_EmitNothing,   ///< Don't emit anything (benchmarking mode)
     30     Backend_EmitMCNull,    ///< Run CodeGen, but don't emit anything
     31     Backend_EmitObj        ///< Emit native object files
     32   };
     33 
     34   void EmitBackendOutput(DiagnosticsEngine &Diags, const CodeGenOptions &CGOpts,
     35                          const TargetOptions &TOpts, const LangOptions &LOpts,
     36                          llvm::Module *M,
     37                          BackendAction Action, raw_ostream *OS);
     38 }
     39 
     40 #endif
     41