2396 struct IntRange {  struct
2403   IntRange(unsigned Width, bool NonNegative)  in IntRange()  function
2408   static IntRange forBoolType() {  in forBoolType()  argument
2409     return IntRange(1, true);  in forBoolType()
2413   static IntRange forValueOfType(ASTContext &C, QualType T) {  in forValueOfType()  argument
2419   static IntRange forValueOfCanonicalType(ASTContext &C, const Type *T) {  in forValueOfCanonicalType()  argument
2431         return IntRange(C.getIntWidth(QualType(T, 0)), false);  in forValueOfCanonicalType()
2436       return IntRange(std::max(NumPositive, NumNegative), NumNegative == 0);  in forValueOfCanonicalType()
2442     return IntRange(C.getIntWidth(QualType(T, 0)), BT->isUnsignedInteger());  in forValueOfCanonicalType()
2450   static IntRange forTargetOfCanonicalType(ASTContext &C, const Type *T) {  in forTargetOfCanonicalType()  argument
2463     return IntRange(C.getIntWidth(QualType(T, 0)), BT->isUnsignedInteger());  in forTargetOfCanonicalType()
2467   static IntRange join(IntRange L, IntRange R) {  in join()  argument
2468     return IntRange(std::max(L.Width, R.Width),  in join()
2473   static IntRange meet(IntRange L, IntRange R) {  in meet()  argument
2474     return IntRange(std::min(L.Width, R.Width),  in meet()
2479 IntRange GetValueRange(ASTContext &C, llvm::APSInt &value, unsigned MaxWidth) {  in GetValueRange()
2481     return IntRange(value.getMinSignedBits(), false);  in GetValueRange()
2488   return IntRange(value.getActiveBits(), true);  in GetValueRange()
2491 IntRange GetValueRange(ASTContext &C, APValue &result, QualType Ty,  in GetValueRange()
2497     IntRange R = GetValueRange(C, result.getVectorElt(0), Ty, MaxWidth);  in GetValueRange()
2499       IntRange El = GetValueRange(C, result.getVectorElt(i), Ty, MaxWidth);  in GetValueRange()
2500       R = IntRange::join(R, El);  in GetValueRange()
2506     IntRange R = GetValueRange(C, result.getComplexIntReal(), MaxWidth);  in GetValueRange()
2507     IntRange I = GetValueRange(C, result.getComplexIntImag(), MaxWidth);  in GetValueRange()
2508     return IntRange::join(R, I);  in GetValueRange()
2517   return IntRange(MaxWidth, Ty->isUnsignedIntegerOrEnumerationType());  in GetValueRange()
2524 IntRange GetExprRange(ASTContext &C, Expr *E, unsigned MaxWidth) {  in GetExprRange()
2539     IntRange OutputTypeRange = IntRange::forValueOfType(C, CE->getType());  in GetExprRange()
2547     IntRange SubRange  in GetExprRange()
2557     return IntRange(SubRange.Width,  in GetExprRange()
2570     IntRange L = GetExprRange(C, CO->getTrueExpr(), MaxWidth);  in GetExprRange()
2571     IntRange R = GetExprRange(C, CO->getFalseExpr(), MaxWidth);  in GetExprRange()
2572     return IntRange::join(L, R);  in GetExprRange()
2587       return IntRange::forBoolType();  in GetExprRange()
2599       return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2610       return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2615       return IntRange::meet(GetExprRange(C, BO->getLHS(), MaxWidth),  in GetExprRange()
2625           IntRange R = IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2626           return IntRange(R.Width, /*NonNegative*/ true);  in GetExprRange()
2632       return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2637       IntRange L = GetExprRange(C, BO->getLHS(), MaxWidth);  in GetExprRange()
2661         return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2669       IntRange L = GetExprRange(C, BO->getLHS(), opWidth);  in GetExprRange()
2683       IntRange R = GetExprRange(C, BO->getRHS(), opWidth);  in GetExprRange()
2684       return IntRange(L.Width, L.NonNegative && R.NonNegative);  in GetExprRange()
2692       IntRange L = GetExprRange(C, BO->getLHS(), opWidth);  in GetExprRange()
2693       IntRange R = GetExprRange(C, BO->getRHS(), opWidth);  in GetExprRange()
2695       IntRange meet = IntRange::meet(L, R);  in GetExprRange()
2710     IntRange L = GetExprRange(C, BO->getLHS(), MaxWidth);  in GetExprRange()
2711     IntRange R = GetExprRange(C, BO->getRHS(), MaxWidth);  in GetExprRange()
2712     return IntRange::join(L, R);  in GetExprRange()
2719       return IntRange::forBoolType();  in GetExprRange()
2724       return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2732     IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2740     return IntRange(BitWidth,   in GetExprRange()
2744   return IntRange::forValueOfType(C, E->getType());  in GetExprRange()
2747 IntRange GetExprRange(ASTContext &C, Expr *E) {  in GetExprRange()
2891   IntRange signedRange = GetExprRange(S.Context, signedOperand);  in AnalyzeComparison()
2910     IntRange unsignedRange = GetExprRange(S.Context, unsignedOperand);  in AnalyzeComparison()
3047 std::string PrettyPrintInRange(const llvm::APSInt &Value, IntRange Range) {  in PrettyPrintInRange()
3168   IntRange SourceRange = GetExprRange(S.Context, E);  in CheckImplicitConversion()
3169   IntRange TargetRange = IntRange::forTargetOfCanonicalType(S.Context, Target);  in CheckImplicitConversion()