/// @returns the number of words to hold the integer value of this APInt.
/// @brief Get the number of words.
unsigned getNumWords() const {
+ return getNumWords(BitWidth);
+ }
+
+ /// Here one word's bitwidth equals to that of uint64_t.
+ /// @returns the number of words to hold the integer value with a
+ /// given bit width.
+ /// @brief Get the number of words.
+ static unsigned getNumWords(unsigned BitWidth) {
return (BitWidth + APINT_BITS_PER_WORD - 1) / APINT_BITS_PER_WORD;
}