25 class Boolean {
31   explicit Boolean(bool V) : V(V) {}  in Boolean()  function
35   Boolean() : V(false) {}  in Boolean()  function
37   bool operator<(Boolean RHS) const { return V < RHS.V; }
38   bool operator>(Boolean RHS) const { return V > RHS.V; }
39   bool operator<=(Boolean RHS) const { return V <= RHS.V; }
40   bool operator>=(Boolean RHS) const { return V >= RHS.V; }
41   bool operator==(Boolean RHS) const { return V == RHS.V; }
42   bool operator!=(Boolean RHS) const { return V != RHS.V; }
46   Boolean operator-() const { return Boolean(V); }
47   Boolean operator~() const { return Boolean(true); }
61   Boolean toUnsigned() const { return *this; }  in toUnsigned()
74   ComparisonCategoryResult compare(const Boolean &RHS) const {  in compare()
80   Boolean truncate(unsigned TruncBits) const { return *this; }  in truncate()
84   static Boolean min(unsigned NumBits) { return Boolean(false); }  in min()
85   static Boolean max(unsigned NumBits) { return Boolean(true); }  in max()
88   static std::enable_if_t<std::is_integral<T>::value, Boolean> from(T Value) {  in from()
89     return Boolean(Value != 0);  in from()
93   static std::enable_if_t<SrcBits != 0, Boolean>
95     return Boolean(!Value.isZero());  in from()
99   static Boolean from(Integral<0, SrcSign> Value) {  in from()
100     return Boolean(!Value.isZero());  in from()
103   static Boolean zero() { return from(false); }  in zero()
106   static Boolean from(T Value, unsigned NumBits) {  in from()
107     return Boolean(Value);  in from()
114   static bool increment(Boolean A, Boolean *R) {  in increment()
115     *R = Boolean(true);  in increment()
119   static bool decrement(Boolean A, Boolean *R) {  in decrement()
123   static bool add(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in add()
124     *R = Boolean(A.V || B.V);  in add()
128   static bool sub(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in sub()
129     *R = Boolean(A.V ^ B.V);  in sub()
133   static bool mul(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in mul()
134     *R = Boolean(A.V && B.V);  in mul()
139 inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const Boolean &B) {