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Add llvm::RoundUpToAlignment.

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- No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar 2009-02-16 22:57:04 +00:00
parent 3c172a2959
commit e2a8dfefe5
1 changed files with 12 additions and 0 deletions
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12
include/llvm/Support/MathExtras.h
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@ -412,6 +412,18 @@ static inline uint64_t NextPowerOf2(uint64_t A) {
A |= (A >> 32);
return A + 1;
}
/// RoundUpToAlignment - Returns the next integer (mod 2**64) that is
/// greater than or equal to \arg Value and is a multiple of \arg
/// Align. Align must be non-zero.
///
/// Examples:
/// RoundUpToAlignment(5, 8) = 8
/// RoundUpToAlignment(17, 8) = 24
/// RoundUpToAlignment(~0LL, 8) = 0
inline uint64_t RoundUpToAlignment(uint64_t Value, uint64_t Align) {
return ((Value + Align - 1) / Align) * Align;
}
} // End llvm namespace