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_BACKENDUTIL_H 11 #define LLVM_CLANG_CODEGEN_BACKENDUTIL_H 12 13 #include "clang/Basic/LLVM.h" 14 #include "llvm/IR/ModuleSummaryIndex.h" 15 #include <memory> 16 17 namespace llvm { 18 class BitcodeModule; 19 template <typename T> class Expected; 20 class Module; 21 class MemoryBufferRef; 22 } 23 24 namespace clang { 25 class DiagnosticsEngine; 26 class HeaderSearchOptions; 27 class CodeGenOptions; 28 class TargetOptions; 29 class LangOptions; 30 31 enum BackendAction { 32 Backend_EmitAssembly, ///< Emit native assembly files 33 Backend_EmitBC, ///< Emit LLVM bitcode files 34 Backend_EmitLL, ///< Emit human-readable LLVM assembly 35 Backend_EmitNothing, ///< Don't emit anything (benchmarking mode) 36 Backend_EmitMCNull, ///< Run CodeGen, but don't emit anything 37 Backend_EmitObj ///< Emit native object files 38 }; 39 40 void EmitBackendOutput(DiagnosticsEngine &Diags, const HeaderSearchOptions &, 41 const CodeGenOptions &CGOpts, 42 const TargetOptions &TOpts, const LangOptions &LOpts, 43 const llvm::DataLayout &TDesc, llvm::Module *M, 44 BackendAction Action, 45 std::unique_ptr<raw_pwrite_stream> OS); 46 47 void EmbedBitcode(llvm::Module *M, const CodeGenOptions &CGOpts, 48 llvm::MemoryBufferRef Buf); 49 50 llvm::Expected<llvm::BitcodeModule> 51 FindThinLTOModule(llvm::MemoryBufferRef MBRef); 52 } 53 54 #endif 55
