Method np_bits

ir/type.cpp:27–32

VoidType Type::voidTy;

unsigned Type::np_bits(bool fromInt) const {
  if (!fromInt)
    return 1;
  auto bw = bits();
  return min(bw, (unsigned)divide_up(bw * bits_poison_per_byte, bits_byte));
}

unsigned Type::maxSubBitAccess() const {
  return 0;