159                      raw_pwrite_stream &OS, raw_pwrite_stream *DwoOS);
177                           std::unique_ptr<llvm::ToolOutputFile> &DwoOS);
566                                        raw_pwrite_stream *DwoOS) {  in AddEmitPasses()  argument
582   if (TM->addPassesToEmitFile(CodeGenPasses, OS, DwoOS, CGFT,  in AddEmitPasses()
1107     std::unique_ptr<llvm::ToolOutputFile> &DwoOS) {  in RunCodegenPipeline()  argument
1121       DwoOS = openOutputFile(CodeGenOpts.SplitDwarfOutput);  in RunCodegenPipeline()
1122       if (!DwoOS)  in RunCodegenPipeline()
1126                        DwoOS ? &DwoOS->os() : nullptr))  in RunCodegenPipeline()
1165   std::unique_ptr<llvm::ToolOutputFile> ThinLinkOS, DwoOS;  in EmitAssembly()  local
1167   RunCodegenPipeline(Action, OS, DwoOS);  in EmitAssembly()
1171   if (DwoOS)  in EmitAssembly()
1172     DwoOS->keep();  in EmitAssembly()