6975   bool NonNegative;  member
6977   IntRange(unsigned Width, bool NonNegative)  in IntRange()
6978     : Width(Width), NonNegative(NonNegative)  in IntRange()
7051                     L.NonNegative && R.NonNegative);  in join()
7057                     L.NonNegative || R.NonNegative);  in meet()
7148                     SubRange.NonNegative || OutputTypeRange.NonNegative);  in GetExprRange()
7236           L.Width = (L.NonNegative ? 0 : 1);  in GetExprRange()
7266           L.Width = (L.NonNegative ? 0 : 1);  in GetExprRange()
7274       return IntRange(L.Width, L.NonNegative && R.NonNegative);  in GetExprRange()
7477       if (!OtherRange.NonNegative) {  in DiagnoseOutOfRangeComparison()
7498       if (OtherRange.NonNegative) {  in DiagnoseOutOfRangeComparison()
7721   if (signedRange.NonNegative)  in AnalyzeComparison()
7734     assert(unsignedRange.NonNegative && "unsigned range includes negative?");  in AnalyzeComparison()
7941   ValueInRange.setIsSigned(!Range.NonNegative);  in PrettyPrintInRange()
8345   if (TargetRange.Width == SourceRange.Width && !TargetRange.NonNegative &&  in CheckImplicitConversion()
8346       SourceRange.NonNegative && Source->isSignedIntegerType()) {  in CheckImplicitConversion()
8370   if ((TargetRange.NonNegative && !SourceRange.NonNegative) ||  in CheckImplicitConversion()
8371       (!TargetRange.NonNegative && SourceRange.NonNegative &&  in CheckImplicitConversion()