362   assert(MainFileID.isInvalid() && "expected uninitialized SourceManager");  in initializeForReplay()
493   if (FID.isInvalid())  in getPreviousFileID()
513   if (FID.isInvalid())  in getNextFileID()
1037     if (!PrevFID.isInvalid()) {  in isAtStartOfImmediateMacroExpansion()
1072     if (!NextFID.isInvalid()) {  in isAtEndOfImmediateMacroExpansion()
1167 static bool isInvalid(LocType Loc, bool *Invalid) {  in isInvalid()  function
1168   bool MyInvalid = Loc.isInvalid();  in isInvalid()
1176   if (isInvalid(Loc, Invalid)) return 0;  in getSpellingColumnNumber()
1183   if (isInvalid(Loc, Invalid)) return 0;  in getExpansionColumnNumber()
1191   if (isInvalid(PLoc, Invalid)) return 0;  in getPresumedColumnNumber()
1287   if (FID.isInvalid()) {  in getLineNumber()
1384   if (isInvalid(Loc, Invalid)) return 0;  in getSpellingLineNumber()
1390   if (isInvalid(Loc, Invalid)) return 0;  in getExpansionLineNumber()
1397   if (isInvalid(PLoc, Invalid)) return 0;  in getPresumedLineNumber()
1441   if (isInvalid(Loc, Invalid)) return "<invalid loc>";  in getBufferName()
1458   if (Loc.isInvalid()) return PresumedLoc();  in getPresumedLoc()
1533   if (Loc.isInvalid()) return false;  in isInMainFile()
1551   return FI.getIncludeLoc().isInvalid();  in isInMainFile()
1641   if (FID.isInvalid())  in translateLineCol()
1853   if (Loc.isInvalid() || !Loc.isFileID())  in getMacroArgExpandedLocation()
1859   if (FID.isInvalid())  in getMacroArgExpandedLocation()
1887   if (FID.isInvalid())  in getDecomposedIncludedLoc()
1945   if (UpperLoc.first.isInvalid() ||  in MoveUpTranslationUnitIncludeHierarchy()
1996   if (LOffs.first.isInvalid() || ROffs.first.isInvalid())  in isBeforeInTranslationUnit()
1997     return LOffs.first.isInvalid() && !ROffs.first.isInvalid();  in isBeforeInTranslationUnit()
2235     if (EntryInfo.Loc.isInvalid())  in noteSLocAddressSpaceUsage()