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[Support] Merge two implementations of addRangeElementsImpl (NFC) #158212

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Merged
merged 1 commit into from
Sep 12, 2025
Merged

[Support] Merge two implementations of addRangeElementsImpl (NFC) #158212

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22 changes: 10 additions & 12 deletions llvm/include/llvm/Support/HashBuilder.h
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Original file line number Diff line number Diff line change
Expand Up @@ -366,18 +366,16 @@ class HashBuilder : public HashBuilderBase<HasherT> {
HashBuilder &addRangeElementsImpl(ForwardIteratorT First,
ForwardIteratorT Last,
std::forward_iterator_tag) {
for (auto It = First; It != Last; ++It)
add(*It);
return *this;
}

template <typename T>
std::enable_if_t<hashbuilder_detail::IsHashableData<T>::value &&
Endianness == llvm::endianness::native,
HashBuilder &>
addRangeElementsImpl(T *First, T *Last, std::forward_iterator_tag) {
this->update(ArrayRef(reinterpret_cast<const uint8_t *>(First),
(Last - First) * sizeof(T)));
using T = typename std::iterator_traits<ForwardIteratorT>::value_type;
if constexpr (std::is_pointer_v<ForwardIteratorT> &&
hashbuilder_detail::IsHashableData<T>::value &&
Endianness == llvm::endianness::native) {
this->update(ArrayRef(reinterpret_cast<const uint8_t *>(First),
(Last - First) * sizeof(T)));
} else {
for (auto It = First; It != Last; ++It)
add(*It);
}
return *this;
}
};
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