| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include <algorithm> |
| #include <bit> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class Comp, class RandomAccessIterator> |
| void __sort(RandomAccessIterator first, RandomAccessIterator last, Comp comp) { |
| auto depth_limit = 2 * std::__bit_log2(static_cast<size_t>(last - first)); |
| |
| // Only use bitset partitioning for arithmetic types. We should also check |
| // that the default comparator is in use so that we are sure that there are no |
| // branches in the comparator. |
| std::__introsort<_ClassicAlgPolicy, |
| ranges::less, |
| RandomAccessIterator, |
| __use_branchless_sort<ranges::less, RandomAccessIterator>>(first, last, ranges::less{}, depth_limit); |
| } |
| |
| // clang-format off |
| template void __sort<__less<char>&, char*>(char*, char*, __less<char>&); |
| #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS |
| template void __sort<__less<wchar_t>&, wchar_t*>(wchar_t*, wchar_t*, __less<wchar_t>&); |
| #endif |
| template void __sort<__less<signed char>&, signed char*>(signed char*, signed char*, __less<signed char>&); |
| template void __sort<__less<unsigned char>&, unsigned char*>(unsigned char*, unsigned char*, __less<unsigned char>&); |
| template void __sort<__less<short>&, short*>(short*, short*, __less<short>&); |
| template void __sort<__less<unsigned short>&, unsigned short*>(unsigned short*, unsigned short*, __less<unsigned short>&); |
| template void __sort<__less<int>&, int*>(int*, int*, __less<int>&); |
| template void __sort<__less<unsigned>&, unsigned*>(unsigned*, unsigned*, __less<unsigned>&); |
| template void __sort<__less<long>&, long*>(long*, long*, __less<long>&); |
| template void __sort<__less<unsigned long>&, unsigned long*>(unsigned long*, unsigned long*, __less<unsigned long>&); |
| template void __sort<__less<long long>&, long long*>(long long*, long long*, __less<long long>&); |
| template void __sort<__less<unsigned long long>&, unsigned long long*>(unsigned long long*, unsigned long long*, __less<unsigned long long>&); |
| template void __sort<__less<float>&, float*>(float*, float*, __less<float>&); |
| template void __sort<__less<double>&, double*>(double*, double*, __less<double>&); |
| template void __sort<__less<long double>&, long double*>(long double*, long double*, __less<long double>&); |
| // clang-format on |
| |
| _LIBCPP_END_NAMESPACE_STD |