25 class Boolean final {
32   Boolean() : V(false) {}  in Boolean()  function
33   explicit Boolean(bool V) : V(V) {}  in Boolean()  function
35   bool operator<(Boolean RHS) const { return V < RHS.V; }
36   bool operator>(Boolean RHS) const { return V > RHS.V; }
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; }
44   Boolean operator-() const { return Boolean(V); }
45   Boolean operator-(const Boolean &Other) const { return Boolean(V - Other.V); }
46   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()
90   static Boolean min(unsigned NumBits) { return Boolean(false); }  in min()
91   static Boolean max(unsigned NumBits) { return Boolean(true); }  in max()
93   template <typename T> static Boolean from(T Value) {  in from()
95       return Boolean(Value != 0);  in from()
96     return Boolean(static_cast<decltype(Boolean::V)>(Value) != 0);  in from()
100   static std::enable_if_t<SrcBits != 0, Boolean>
102     return Boolean(!Value.isZero());  in from()
105   static Boolean zero() { return from(false); }  in zero()
108   static Boolean from(T Value, unsigned NumBits) {  in from()
109     return Boolean(Value);  in from()
116   static bool increment(Boolean A, Boolean *R) {  in increment()
117     *R = Boolean(true);  in increment()
121   static bool decrement(Boolean A, Boolean *R) {  in decrement()
125   static bool add(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in add()
126     *R = Boolean(A.V || B.V);  in add()
130   static bool sub(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in sub()
131     *R = Boolean(A.V ^ B.V);  in sub()
135   static bool mul(Boolean A, Boolean B, unsigned OpBits, Boolean *R) {  in mul()
136     *R = Boolean(A.V && B.V);  in mul()
140   static bool inv(Boolean A, Boolean *R) {  in inv()
141     *R = Boolean(!A.V);  in inv()
145   static bool neg(Boolean A, Boolean *R) {  in neg()
146     *R = Boolean(A.V);  in neg()
151 inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const Boolean &B) {