4256   KnownBits N1Known = computeKnownBits(N1);  in computeOverflowForUnsignedAdd()  local
4258       N1Known.getMaxValue().ult(2))  in computeOverflowForUnsignedAdd()
4268   ConstantRange N1Range = ConstantRange::fromKnownBits(N1Known, false);  in computeOverflowForUnsignedAdd()
4284   KnownBits N1Known = computeKnownBits(N1);  in computeOverflowForSignedSub()  local
4286   ConstantRange N1Range = ConstantRange::fromKnownBits(N1Known, true);  in computeOverflowForSignedSub()
4297   KnownBits N1Known = computeKnownBits(N1);  in computeOverflowForUnsignedSub()  local
4299   ConstantRange N1Range = ConstantRange::fromKnownBits(N1Known, false);  in computeOverflowForUnsignedSub()
4310   KnownBits N1Known = computeKnownBits(N1);  in computeOverflowForUnsignedMul()  local
4312   ConstantRange N1Range = ConstantRange::fromKnownBits(N1Known, false);  in computeOverflowForUnsignedMul()
4336     KnownBits N1Known = computeKnownBits(N1);  in computeOverflowForSignedMul()  local
4339     if (N0Known.isNonNegative() || N1Known.isNonNegative())  in computeOverflowForSignedMul()