127                        llvm::Optional<std::string> Contents) {  in buildInvocation()  argument
135     if (Contents) {  in buildInvocation()
136       Inputs.Contents = *Contents;  in buildInvocation()
137       log("Imaginary source file contents:\n{0}", Inputs.Contents);  in buildInvocation()
139       if (auto Contents = TFS.view(llvm::None)->getBufferForFile(File)) {  in buildInvocation()  local
140         Inputs.Contents = Contents->get()->getBuffer().str();  in buildInvocation()
142         elog("Couldn't read {0}: {1}", File, Contents.getError().message());  in buildInvocation()
159     Style = getFormatStyleForFile(File, Inputs.Contents, TFS);  in buildInvocation()
223       Position Pos = offsetToPosition(Inputs.Contents, Start);  in testLocationFeatures()
264         Position EndPos = offsetToPosition(Inputs.Contents, End);  in testLocationFeatures()
279   llvm::Optional<std::string> Contents;  in check()  local
284     Contents = R"cpp(  in check()
301   if (!C.buildCommand(TFS) || !C.buildInvocation(TFS, Contents) ||  in check()