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Undefine R2, R4, R6 after use.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212179 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Axel Naumann 2014-07-02 14:40:35 +00:00
parent 0780b6db5d
commit a3af27aa0b
1 changed files with 3 additions and 0 deletions
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include/llvm/Support/MathExtras.h
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@ -230,6 +230,9 @@ static const unsigned char BitReverseTable256[256] = {
#define R4(n) R2(n), R2(n + 2 * 16), R2(n + 1 * 16), R2(n + 3 * 16)
#define R6(n) R4(n), R4(n + 2 * 4), R4(n + 1 * 4), R4(n + 3 * 4)
R6(0), R6(2), R6(1), R6(3)
#undef R2
#undef R4
#undef R6
};
/// \brief Reverse the bits in \p Val.