5584 struct IntRange {  struct
5591   IntRange(unsigned Width, bool NonNegative)  in IntRange()  argument
5596   static IntRange forBoolType() {  in forBoolType()  argument
5597     return IntRange(1, true);  in forBoolType()
5601   static IntRange forValueOfType(ASTContext &C, QualType T) {  in forValueOfType()  argument
5607   static IntRange forValueOfCanonicalType(ASTContext &C, const Type *T) {  in forValueOfCanonicalType()  argument
5621         return IntRange(C.getIntWidth(QualType(T, 0)), false);  in forValueOfCanonicalType()
5627         return IntRange(NumPositive, true/*NonNegative*/);  in forValueOfCanonicalType()
5629         return IntRange(std::max(NumPositive + 1, NumNegative),  in forValueOfCanonicalType()
5636     return IntRange(C.getIntWidth(QualType(T, 0)), BT->isUnsignedInteger());  in forValueOfCanonicalType()
5644   static IntRange forTargetOfCanonicalType(ASTContext &C, const Type *T) {  in forTargetOfCanonicalType()  argument
5659     return IntRange(C.getIntWidth(QualType(T, 0)), BT->isUnsignedInteger());  in forTargetOfCanonicalType()
5663   static IntRange join(IntRange L, IntRange R) {  in join()  argument
5664     return IntRange(std::max(L.Width, R.Width),  in join()
5669   static IntRange meet(IntRange L, IntRange R) {  in meet()  argument
5670     return IntRange(std::min(L.Width, R.Width),  in meet()
5675 static IntRange GetValueRange(ASTContext &C, llvm::APSInt &value,  in GetValueRange()
5678     return IntRange(value.getMinSignedBits(), false);  in GetValueRange()
5685   return IntRange(value.getActiveBits(), true);  in GetValueRange()
5688 static IntRange GetValueRange(ASTContext &C, APValue &result, QualType Ty,  in GetValueRange()
5694     IntRange R = GetValueRange(C, result.getVectorElt(0), Ty, MaxWidth);  in GetValueRange()
5696       IntRange El = GetValueRange(C, result.getVectorElt(i), Ty, MaxWidth);  in GetValueRange()
5697       R = IntRange::join(R, El);  in GetValueRange()
5703     IntRange R = GetValueRange(C, result.getComplexIntReal(), MaxWidth);  in GetValueRange()
5704     IntRange I = GetValueRange(C, result.getComplexIntImag(), MaxWidth);  in GetValueRange()
5705     return IntRange::join(R, I);  in GetValueRange()
5714   return IntRange(MaxWidth, Ty->isUnsignedIntegerOrEnumerationType());  in GetValueRange()
5728 static IntRange GetExprRange(ASTContext &C, Expr *E, unsigned MaxWidth) {  in GetExprRange()
5743     IntRange OutputTypeRange = IntRange::forValueOfType(C, GetExprType(CE));  in GetExprRange()
5751     IntRange SubRange  in GetExprRange()
5761     return IntRange(SubRange.Width,  in GetExprRange()
5774     IntRange L = GetExprRange(C, CO->getTrueExpr(), MaxWidth);  in GetExprRange()
5775     IntRange R = GetExprRange(C, CO->getFalseExpr(), MaxWidth);  in GetExprRange()
5776     return IntRange::join(L, R);  in GetExprRange()
5791       return IntRange::forBoolType();  in GetExprRange()
5803       return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5814       return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5819       return IntRange::meet(GetExprRange(C, BO->getLHS(), MaxWidth),  in GetExprRange()
5829           IntRange R = IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5830           return IntRange(R.Width, /*NonNegative*/ true);  in GetExprRange()
5836       return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5841       IntRange L = GetExprRange(C, BO->getLHS(), MaxWidth);  in GetExprRange()
5865         return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5873       IntRange L = GetExprRange(C, BO->getLHS(), opWidth);  in GetExprRange()
5887       IntRange R = GetExprRange(C, BO->getRHS(), opWidth);  in GetExprRange()
5888       return IntRange(L.Width, L.NonNegative && R.NonNegative);  in GetExprRange()
5896       IntRange L = GetExprRange(C, BO->getLHS(), opWidth);  in GetExprRange()
5897       IntRange R = GetExprRange(C, BO->getRHS(), opWidth);  in GetExprRange()
5899       IntRange meet = IntRange::meet(L, R);  in GetExprRange()
5914     IntRange L = GetExprRange(C, BO->getLHS(), MaxWidth);  in GetExprRange()
5915     IntRange R = GetExprRange(C, BO->getRHS(), MaxWidth);  in GetExprRange()
5916     return IntRange::join(L, R);  in GetExprRange()
5923       return IntRange::forBoolType();  in GetExprRange()
5928       return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5939     return IntRange(BitField->getBitWidthValue(C),  in GetExprRange()
5942   return IntRange::forValueOfType(C, GetExprType(E));  in GetExprRange()
5945 static IntRange GetExprRange(ASTContext &C, Expr *E) {  in GetExprRange()
6057   IntRange OtherRange = IntRange::forValueOfType(S.Context, OtherT);  in DiagnoseOutOfRangeComparison()
6326   IntRange signedRange = GetExprRange(S.Context, signedOperand);  in AnalyzeComparison()
6345     IntRange unsignedRange = GetExprRange(S.Context, unsignedOperand);  in AnalyzeComparison()
6494 std::string PrettyPrintInRange(const llvm::APSInt &Value, IntRange Range) {  in PrettyPrintInRange()
6730   IntRange SourceRange = GetExprRange(S.Context, E);  in CheckImplicitConversion()
6731   IntRange TargetRange = IntRange::forTargetOfCanonicalType(S.Context, Target);  in CheckImplicitConversion()