941 bool SourcePrinter::cacheSource(const DILineInfo &LineInfo) {  in cacheSource()  argument
943   if (LineInfo.Source) {  in cacheSource()
944     Buffer = MemoryBuffer::getMemBuffer(*LineInfo.Source);  in cacheSource()
946     auto BufferOrError = MemoryBuffer::getFile(LineInfo.FileName);  in cacheSource()
958       LineCache[LineInfo.FileName].push_back(StringRef(Start, End - Start));  in cacheSource()
963   SourceCache[LineInfo.FileName] = std::move(Buffer);  in cacheSource()
971   DILineInfo LineInfo = DILineInfo();  in printSourceLine()  local
977     LineInfo = *ExpectecLineInfo;  in printSourceLine()
979   if ((LineInfo.FileName == "<invalid>") || OldLineInfo.Line == LineInfo.Line ||  in printSourceLine()
980       LineInfo.Line == 0)  in printSourceLine()
984     OS << Delimiter << LineInfo.FileName << ":" << LineInfo.Line << "\n";  in printSourceLine()
986     if (SourceCache.find(LineInfo.FileName) == SourceCache.end())  in printSourceLine()
987       if (!cacheSource(LineInfo))  in printSourceLine()
989     auto FileBuffer = SourceCache.find(LineInfo.FileName);  in printSourceLine()
991       auto LineBuffer = LineCache.find(LineInfo.FileName);  in printSourceLine()
993         if (LineInfo.Line > LineBuffer->second.size())  in printSourceLine()
996         OS << Delimiter << LineBuffer->second[LineInfo.Line - 1].ltrim()  in printSourceLine()
1001   OldLineInfo = LineInfo;  in printSourceLine()