[libcxx-commits] [pstl] Remove `_IsMoveConstructible` from `__pattern_sort` impls (PR #94202)

[Sergey Kopienko via libcxx-commits]

https://github.com/SergeyKopienko created https://github.com/llvm/llvm-project/pull/94202

In this PR we doing the next things:
- remove `_IsMoveConstructible` template param from `__pattern_sort` implementations as not required.

--------------------------------------------------------------------------------------------------------------------------
In this PR we synchronize changes from https://github.com/oneapi-src/oneDPL/pull/1599 with PSTL up-stream.

>From f56b2d898408975a2994ce7bebc8ad4f6019f576 Mon Sep 17 00:00:00 2001
From: Sergey Kopienko <sergey.kopienko at intel.com>
Date: Mon, 3 Jun 2024 11:58:54 +0200
Subject: [PATCH] Remove `_IsMoveConstructible` from `__pattern_sort` impls

---
 pstl/include/pstl/internal/algorithm_fwd.h       | 8 +++-----
 pstl/include/pstl/internal/algorithm_impl.h      | 8 ++++----
 pstl/include/pstl/internal/glue_algorithm_impl.h | 2 +-
 3 files changed, 8 insertions(+), 10 deletions(-)

diff --git a/pstl/include/pstl/internal/algorithm_fwd.h b/pstl/include/pstl/internal/algorithm_fwd.h
index 3dcf9e9f5e9eb..3d22066331859 100644
--- a/pstl/include/pstl/internal/algorithm_fwd.h
+++ b/pstl/include/pstl/internal/algorithm_fwd.h
@@ -724,15 +724,13 @@ __pattern_partition_copy(__parallel_tag<_IsVector>, _ExecutionPolicy&&, _RandomA
 // sort
 //------------------------------------------------------------------------
 
-template <class _Tag, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare, class _IsMoveConstructible>
+template <class _Tag, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare>
 void
-__pattern_sort(_Tag, _ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare,
-               _IsMoveConstructible) noexcept;
+__pattern_sort(_Tag, _ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare) noexcept;
 
 template <class _IsVector, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare>
 void
-__pattern_sort(__parallel_tag<_IsVector>, _ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare,
-               /*is_move_constructible=*/std::true_type);
+__pattern_sort(__parallel_tag<_IsVector>, _ExecutionPolicy&&, _RandomAccessIterator, _RandomAccessIterator, _Compare);
 
 //------------------------------------------------------------------------
 // stable_sort
diff --git a/pstl/include/pstl/internal/algorithm_impl.h b/pstl/include/pstl/internal/algorithm_impl.h
index 2b505d94611f6..31398d6c03685 100644
--- a/pstl/include/pstl/internal/algorithm_impl.h
+++ b/pstl/include/pstl/internal/algorithm_impl.h
@@ -2177,10 +2177,10 @@ __pattern_partition_copy(__parallel_tag<_IsVector> __tag, _ExecutionPolicy&& __e
 // sort
 //------------------------------------------------------------------------
 
-template <class _Tag, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare, class _IsMoveConstructible>
+template <class _Tag, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare>
 void
-__pattern_sort(_Tag, _ExecutionPolicy&&, _RandomAccessIterator __first, _RandomAccessIterator __last, _Compare __comp,
-               _IsMoveConstructible) noexcept
+__pattern_sort(_Tag, _ExecutionPolicy&&, _RandomAccessIterator __first, _RandomAccessIterator __last,
+               _Compare __comp) noexcept
 {
     std::sort(__first, __last, __comp);
 }
@@ -2188,7 +2188,7 @@ __pattern_sort(_Tag, _ExecutionPolicy&&, _RandomAccessIterator __first, _RandomA
 template <class _IsVector, class _ExecutionPolicy, class _RandomAccessIterator, class _Compare>
 void
 __pattern_sort(__parallel_tag<_IsVector> __tag, _ExecutionPolicy&& __exec, _RandomAccessIterator __first,
-               _RandomAccessIterator __last, _Compare __comp, /*is_move_constructible=*/std::true_type)
+               _RandomAccessIterator __last, _Compare __comp)
 {
     using __backend_tag = typename decltype(__tag)::__backend_tag;
 
diff --git a/pstl/include/pstl/internal/glue_algorithm_impl.h b/pstl/include/pstl/internal/glue_algorithm_impl.h
index fb0c19d776658..1bbfa2d3f72ab 100644
--- a/pstl/include/pstl/internal/glue_algorithm_impl.h
+++ b/pstl/include/pstl/internal/glue_algorithm_impl.h
@@ -606,7 +606,7 @@ sort(_ExecutionPolicy&& __exec, _RandomAccessIterator __first, _RandomAccessIter
 
     typedef typename iterator_traits<_RandomAccessIterator>::value_type _InputType;
     return __pstl::__internal::__pattern_sort(__dispatch_tag, std::forward<_ExecutionPolicy>(__exec), __first, __last,
-                                              __comp, typename std::is_move_constructible<_InputType>::type());
+                                              __comp);
 }
 
 template <class _ExecutionPolicy, class _RandomAccessIterator>