575 bool SourcePrinter::cacheSource(const DILineInfo &LineInfo) {  in cacheSource()  argument
577   if (LineInfo.Source) {  in cacheSource()
578     Buffer = MemoryBuffer::getMemBuffer(*LineInfo.Source);  in cacheSource()
580     auto BufferOrError = MemoryBuffer::getFile(LineInfo.FileName);  in cacheSource()
582       if (MissingSources.insert(LineInfo.FileName).second)  in cacheSource()
583         reportWarning("failed to find source " + LineInfo.FileName,  in cacheSource()
592   std::vector<StringRef> &Lines = LineCache[LineInfo.FileName];  in cacheSource()
601   SourceCache[LineInfo.FileName] = std::move(Buffer);  in cacheSource()
612   DILineInfo LineInfo = DILineInfo();  in printSourceLine()  local
618     LineInfo = *ExpectedLineInfo;  in printSourceLine()
620   if (LineInfo.FileName == DILineInfo::BadString) {  in printSourceLine()
632   if (LineInfo.Line == 0 || ((OldLineInfo.Line == LineInfo.Line) &&  in printSourceLine()
633                              (OldLineInfo.FileName == LineInfo.FileName)))  in printSourceLine()
637     OS << Delimiter << LineInfo.FileName << ":" << LineInfo.Line << "\n";  in printSourceLine()
639     if (SourceCache.find(LineInfo.FileName) == SourceCache.end())  in printSourceLine()
640       if (!cacheSource(LineInfo))  in printSourceLine()
642     auto LineBuffer = LineCache.find(LineInfo.FileName);  in printSourceLine()
644       if (LineInfo.Line > LineBuffer->second.size()) {  in printSourceLine()
648                 LineInfo.Line, LineInfo.FileName),  in printSourceLine()
653       OS << Delimiter << LineBuffer->second[LineInfo.Line - 1] << '\n';  in printSourceLine()
656   OldLineInfo = LineInfo;  in printSourceLine()