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Add a static APInt::getNumWords

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68977 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Douglas Gregor 2009-04-13 19:43:10 +00:00
parent 48c7fa21a3
commit 17893a5fb6
1 changed files with 8 additions and 0 deletions
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8
include/llvm/ADT/APInt.h
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@ -1000,6 +1000,14 @@ public:
/// @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;
}