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Add DenseMapInfo for signed long long.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94146 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2010-01-22 03:33:01 +00:00
parent 4bd8dc39fb
commit cf220d5b89
1 changed files with 13 additions and 0 deletions
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13
include/llvm/ADT/DenseMapInfo.h
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@ -92,6 +92,19 @@ template<> struct DenseMapInfo<unsigned long long> {
}
};
// Provide DenseMapInfo for long longs.
template<> struct DenseMapInfo<long long> {
static inline long long getEmptyKey() { return 0x7fffffffffffffffLL; }
static inline long long getTombstoneKey() { return -0x7fffffffffffffffLL-1; }
static unsigned getHashValue(const long long& Val) {
return (unsigned)(Val * 37LL);
}
static bool isEqual(const long long& LHS,
const long long& RHS) {
return LHS == RHS;
}
};
// Provide DenseMapInfo for all pairs whose members have info.
template<typename T, typename U>
struct DenseMapInfo<std::pair<T, U> > {