3798   bool NegateNBits;  in matchBitExtract()  local
3832                         &NegateNBits](SDValue Mask) -> bool {  in matchBitExtract()
3846     NegateNBits = false;  in matchBitExtract()
3859                         &NBits, &NegateNBits](SDValue Mask) -> bool {  in matchBitExtract()
3874     NegateNBits = false;  in matchBitExtract()
3880   auto canonicalizeShiftAmt = [&NBits, &NegateNBits](SDValue ShiftAmt,  in matchBitExtract()
3883     NegateNBits = true;  in matchBitExtract()
3895     NegateNBits = false;  in matchBitExtract()
3901   auto matchPatternC = [checkOneUse, peekThroughOneUseTruncation, &NegateNBits,  in matchBitExtract()
3921     return !NegateNBits;  in matchBitExtract()
3930                         AllowExtraUsesByDefault, &NegateNBits,  in matchBitExtract()
3947     const bool AllowExtraUses = AllowExtraUsesByDefault && !NegateNBits;  in matchBitExtract()
3977   if (NegateNBits && !Subtarget->hasBMI2())  in matchBitExtract()
4001   if (NegateNBits) {  in matchBitExtract()