38   struct BitValue;
155 struct BitTracker::BitValue {  struct
194   BitValue(ValueType T = Top) : Type(T) {}  in Type()  argument
195   BitValue(bool B) : Type(B ? One : Zero) {}  in BitValue()  argument
196   BitValue(unsigned Reg, uint16_t Pos) : Type(Ref), RefI(Reg, Pos) {}  in BitValue()  argument
198   bool operator== (const BitValue &V) const {
205   bool operator!= (const BitValue &V) const {
229   bool meet(const BitValue &V, const BitRef &Self) {  in meet()  argument
253   static BitValue ref(const BitValue &V);
255   static BitValue self(const BitRef &Self = BitRef());
266   friend raw_ostream &operator<<(raw_ostream &OS, const BitValue &BV);  argument
270 inline BitTracker::BitValue
271 BitTracker::BitValue::ref(const BitValue &V) {  in ref()
273     return BitValue(V.Type);  in ref()
275     return BitValue(V.RefI.Reg, V.RefI.Pos);  in ref()
279 inline BitTracker::BitValue
280 BitTracker::BitValue::self(const BitRef &Self) {  in self()
281   return BitValue(Self.Reg, Self.Pos);  in self()
307   const BitValue &operator[](uint16_t BitN) const {
311   BitValue &operator[](uint16_t BitN) {
320   RegisterCell &fill(uint16_t B, uint16_t E, const BitValue &V);
346   using BitValueList = SmallVector<BitValue, DefaultBitN>;
367     RC.Bits[i] = BitValue::self(BitRef(Reg, i));  in self()
375     RC.Bits[i] = BitValue(BitValue::Top);  in top()
384     RC[i] = BitValue::ref(C[i]);  in ref()