[libc++][ranges] Implement `ranges::sort`.

Differential Revision: https://reviews.llvm.org/D127557

2 files changed, 40 insertions, 0 deletions

diff --git a/libcxx/benchmarks/CMakeLists.txt b/libcxx/benchmarks/CMakeLists.txt
index 9fa57f86aefe..bc5052da854f 100644
--- a/libcxx/benchmarks/CMakeLists.txt
+++ b/libcxx/benchmarks/CMakeLists.txt
@@ -166,6 +166,7 @@ set(BENCHMARK_TESTS
     algorithms/min_max_element.bench.cpp
     algorithms/pop_heap.bench.cpp
     algorithms/push_heap.bench.cpp
+    algorithms/ranges_sort.bench.cpp
     algorithms/sort.bench.cpp
     algorithms/sort_heap.bench.cpp
     algorithms/stable_sort.bench.cpp
diff --git a/libcxx/benchmarks/algorithms/ranges_sort.bench.cpp b/libcxx/benchmarks/algorithms/ranges_sort.bench.cpp
new file mode 100644
index 000000000000..b9299d3fe144
--- /dev/null
+++ b/libcxx/benchmarks/algorithms/ranges_sort.bench.cpp
@@ -0,0 +1,39 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 "common.h"
+
+namespace {
+template <class ValueType, class Order>
+struct Sort {
+  size_t Quantity;
+
+  void run(benchmark::State& state) const {
+    runOpOnCopies<ValueType>(
+        state, Quantity, Order(), BatchSize::CountElements,
+        [](auto& Copy) { std::ranges::sort(Copy); });
+  }
+
+  bool skip() const { return Order() == ::Order::Heap; }
+
+  std::string name() const {
+    return "BM_RangesSort" + ValueType::name() + Order::name() + "_" +
+           std::to_string(Quantity);
+  }
+};
+} // namespace
+
+int main(int argc, char** argv) {
+  benchmark::Initialize(&argc, argv);
+  if (benchmark::ReportUnrecognizedArguments(argc, argv))
+    return 1;
+  makeCartesianProductBenchmark<Sort, AllValueTypes, AllOrders>(Quantities);
+  benchmark::RunSpecifiedBenchmarks();
+}