2876 struct BitPart {  struct
2877   BitPart(Value *P, unsigned BW) : Provider(P) {  in BitPart()  argument
2920 static const Optional<BitPart> &
2922                 std::map<Value *, Optional<BitPart>> &BPS, int Depth,  in collectBitParts()
2959       Result = BitPart(A->Provider, BitWidth);  in collectBitParts()
2961         if (A->Provenance[BitIdx] != BitPart::Unset &&  in collectBitParts()
2962             B->Provenance[BitIdx] != BitPart::Unset &&  in collectBitParts()
2966         if (A->Provenance[BitIdx] == BitPart::Unset)  in collectBitParts()
2997         P.insert(P.begin(), BitShift.getZExtValue(), BitPart::Unset);  in collectBitParts()
3000         P.insert(P.end(), BitShift.getZExtValue(), BitPart::Unset);  in collectBitParts()
3026           Result->Provenance[BitIdx] = BitPart::Unset;  in collectBitParts()
3037       Result = BitPart(Res->Provider, BitWidth);  in collectBitParts()
3042         Result->Provenance[BitIdx] = BitPart::Unset;  in collectBitParts()
3053       Result = BitPart(Res->Provider, BitWidth);  in collectBitParts()
3067       Result = BitPart(Res->Provider, BitWidth);  in collectBitParts()
3081       Result = BitPart(Res->Provider, BitWidth);  in collectBitParts()
3118       Result = BitPart(LHS->Provider, BitWidth);  in collectBitParts()
3135   Result = BitPart(V, BitWidth);  in collectBitParts()
3172   std::map<Value *, Optional<BitPart>> BPS;  in recognizeBSwapOrBitReverseIdiom()
3179                 [](int8_t I) { return I == BitPart::Unset || 0 <= I; }) &&  in recognizeBSwapOrBitReverseIdiom()
3184   if (BitProvenance.back() == BitPart::Unset) {  in recognizeBSwapOrBitReverseIdiom()
3185     while (!BitProvenance.empty() && BitProvenance.back() == BitPart::Unset)  in recognizeBSwapOrBitReverseIdiom()
3206     if (BitProvenance[BitIdx] == BitPart::Unset) {  in recognizeBSwapOrBitReverseIdiom()