2074   APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);  in visitReturnInst()  local
2075   computeKnownBits(ResultOp, KnownZero, KnownOne, 0, &RI);  in visitReturnInst()
2076   if ((KnownZero|KnownOne).isAllOnesValue())  in visitReturnInst()
2077     RI.setOperand(0, Constant::getIntegerValue(VTy, KnownOne));  in visitReturnInst()
2142   APInt KnownZero(BitWidth, 0), KnownOne(BitWidth, 0);  in visitSwitchInst()  local
2143   computeKnownBits(Cond, KnownZero, KnownOne, 0, &SI);  in visitSwitchInst()
2145   unsigned LeadingKnownOnes = KnownOne.countLeadingOnes();  in visitSwitchInst()
2760       APInt KnownOne(BitWidth, 0);  in run()  local
2761       computeKnownBits(I, KnownZero, KnownOne, /*Depth*/0, I);  in run()
2762       if ((KnownZero | KnownOne).isAllOnesValue()) {  in run()
2763         Constant *C = ConstantInt::get(I->getContext(), KnownOne);  in run()