38   APInt Known = std::move(LHSKnownUnion) & RHSKnownUnion & CarryKnownUnion;  in computeForAddCarry()  local
40   assert((PossibleSumZero & Known) == (PossibleSumOne & Known) &&  in computeForAddCarry()
45   KnownOut.Zero = ~std::move(PossibleSumZero) & Known;  in computeForAddCarry()
46   KnownOut.One = std::move(PossibleSumOne) & Known;  in computeForAddCarry()
169   KnownBits Known(BitWidth);  in shl()  local
174     Known = LHS;  in shl()
175     Known.Zero <<= Shift;  in shl()
176     Known.One <<= Shift;  in shl()
178     Known.Zero.setLowBits(Shift);  in shl()
179     return Known;  in shl()
199     Known.Zero.setAllBits();  in shl()
200     Known.One.setAllBits();  in shl()
211       Known = KnownBits::commonBits(Known, SpecificShift);  in shl()
212       if (Known.isUnknown())  in shl()
217   Known.Zero.setLowBits(MinTrailingZeros);  in shl()
218   return Known;  in shl()
223   KnownBits Known(BitWidth);  in lshr()  local
227     Known = LHS;  in lshr()
228     Known.Zero.lshrInPlace(Shift);  in lshr()
229     Known.One.lshrInPlace(Shift);  in lshr()
231     Known.Zero.setHighBits(Shift);  in lshr()
232     return Known;  in lshr()
252     Known.Zero.setAllBits();  in lshr()
253     Known.One.setAllBits();  in lshr()
264       Known = KnownBits::commonBits(Known, SpecificShift);  in lshr()
265       if (Known.isUnknown())  in lshr()
270   Known.Zero.setHighBits(MinLeadingZeros);  in lshr()
271   return Known;  in lshr()
276   KnownBits Known(BitWidth);  in ashr()  local
280     Known = LHS;  in ashr()
281     Known.Zero.ashrInPlace(Shift);  in ashr()
282     Known.One.ashrInPlace(Shift);  in ashr()
283     return Known;  in ashr()
310     Known.Zero.setAllBits();  in ashr()
311     Known.One.setAllBits();  in ashr()
322       Known = KnownBits::commonBits(Known, SpecificShift);  in ashr()
323       if (Known.isUnknown())  in ashr()
328   Known.Zero.setHighBits(MinLeadingZeros);  in ashr()
329   Known.One.setHighBits(MinLeadingOnes);  in ashr()
330   return Known;  in ashr()
534   KnownBits Known(BitWidth);  in udiv()  local
545   Known.Zero.setHighBits(LeadZ);  in udiv()
546   return Known;  in udiv()
552   KnownBits Known(BitWidth);  in urem()  local
557     Known.Zero = LHS.Zero | ~LowBits;  in urem()
558     Known.One = LHS.One & LowBits;  in urem()
559     return Known;  in urem()
566   Known.Zero.setHighBits(Leaders);  in urem()
567   return Known;  in urem()
573   KnownBits Known(BitWidth);  in srem()  local
578     Known.Zero = LHS.Zero & LowBits;  in srem()
579     Known.One = LHS.One & LowBits;  in srem()
584       Known.Zero |= ~LowBits;  in srem()
589       Known.One |= ~LowBits;  in srem()
590     return Known;  in srem()
597   Known.Zero.setHighBits(LHS.countMinLeadingZeros());  in srem()
598   return Known;  in srem()