362   assert(MainFileID.isInvalid() && "expected uninitialized SourceManager");  in initializeForReplay()
490   if (FID.isInvalid())  in getPreviousFileID()
510   if (FID.isInvalid())  in getNextFileID()
1095     if (!PrevFID.isInvalid()) {  in isAtStartOfImmediateMacroExpansion()
1130     if (!NextFID.isInvalid()) {  in isAtEndOfImmediateMacroExpansion()
1225 static bool isInvalid(LocType Loc, bool *Invalid) {  in isInvalid()  function
1226   bool MyInvalid = Loc.isInvalid();  in isInvalid()
1234   if (isInvalid(Loc, Invalid)) return 0;  in getSpellingColumnNumber()
1241   if (isInvalid(Loc, Invalid)) return 0;  in getExpansionColumnNumber()
1249   if (isInvalid(PLoc, Invalid)) return 0;  in getPresumedColumnNumber()
1344   if (FID.isInvalid()) {  in getLineNumber()
1441   if (isInvalid(Loc, Invalid)) return 0;  in getSpellingLineNumber()
1447   if (isInvalid(Loc, Invalid)) return 0;  in getExpansionLineNumber()
1454   if (isInvalid(PLoc, Invalid)) return 0;  in getPresumedLineNumber()
1498   if (isInvalid(Loc, Invalid)) return "<invalid loc>";  in getBufferName()
1515   if (Loc.isInvalid()) return PresumedLoc();  in getPresumedLoc()
1590   if (Loc.isInvalid()) return false;  in isInMainFile()
1608   return FI.getIncludeLoc().isInvalid();  in isInMainFile()
1698   if (FID.isInvalid())  in translateLineCol()
1910   if (Loc.isInvalid() || !Loc.isFileID())  in getMacroArgExpandedLocation()
1916   if (FID.isInvalid())  in getMacroArgExpandedLocation()
1944   if (FID.isInvalid())  in getDecomposedIncludedLoc()
1978   if (UpperLoc.first.isInvalid())  in MoveUpIncludeHierarchy()
2026   if (LOffs.first.isInvalid() || ROffs.first.isInvalid())  in isBeforeInTranslationUnit()
2027     return LOffs.first.isInvalid() && !ROffs.first.isInvalid();  in isBeforeInTranslationUnit()