/// \brief Fast internal constructor
///
/// This constructor is used only internally for speed of construction of
/// \brief Fast internal constructor
///
/// This constructor is used only internally for speed of construction of
/// Simply makes *this a copy of that.
/// @brief Copy Constructor.
APInt(const APInt &that) : BitWidth(that.BitWidth), VAL(0) {
/// Simply makes *this a copy of that.
/// @brief Copy Constructor.
APInt(const APInt &that) : BitWidth(that.BitWidth), VAL(0) {