170                      raw_pwrite_stream &OS, raw_pwrite_stream *DwoOS);
188                           std::unique_ptr<llvm::ToolOutputFile> &DwoOS);
581                                        raw_pwrite_stream *DwoOS) {  in AddEmitPasses()  argument
597   if (TM->addPassesToEmitFile(CodeGenPasses, OS, DwoOS, CGFT,  in AddEmitPasses()
1120     std::unique_ptr<llvm::ToolOutputFile> &DwoOS) {  in RunCodegenPipeline()  argument
1134       DwoOS = openOutputFile(CodeGenOpts.SplitDwarfOutput);  in RunCodegenPipeline()
1135       if (!DwoOS)  in RunCodegenPipeline()
1139                        DwoOS ? &DwoOS->os() : nullptr))  in RunCodegenPipeline()
1178   std::unique_ptr<llvm::ToolOutputFile> ThinLinkOS, DwoOS;  in EmitAssembly()  local
1180   RunCodegenPipeline(Action, OS, DwoOS);  in EmitAssembly()
1184   if (DwoOS)  in EmitAssembly()
1185     DwoOS->keep();  in EmitAssembly()