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[ADT] Update hash function of uint64_t for DenseMap #95734

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Merged
merged 4 commits into from
Jun 20, 2024
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[ADT] Update hash function of uint64_t for DenseMap #95734

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[ADT] Update hash function of uint64_t for DenseMap
ChuanqiXu9 Jun 17, 2024
773ade7
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ChuanqiXu9 Jun 17, 2024
0456725
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ChuanqiXu9 Jun 18, 2024
b6eac6d
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ChuanqiXu9 Jun 19, 2024
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3 changes: 2 additions & 1 deletion llvm/include/llvm/ADT/DenseMapInfo.h
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Expand Up @@ -151,7 +151,8 @@ template<> struct DenseMapInfo<unsigned long long> {
static inline unsigned long long getTombstoneKey() { return ~0ULL - 1ULL; }

static unsigned getHashValue(const unsigned long long& Val) {
return (unsigned)(Val * 37ULL);
return DenseMapInfo<unsigned>::getHashValue(Val) ^
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the easy way is detail::combineHashValue

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+1 to that

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Done

DenseMapInfo<unsigned>::getHashValue(Val >> 32);
}

static bool isEqual(const unsigned long long& LHS,
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