[libcxx-commits] [libcxx] [libc++] Optimize rotate (PR #120890)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- libcxx/test/benchmarks/algorithms/rotate.bench.cpp libcxx/include/__algorithm/rotate.h --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/test/benchmarks/algorithms/rotate.bench.cpp b/libcxx/test/benchmarks/algorithms/rotate.bench.cpp
index 36ec1021b..4ab4a6ec2 100644
--- a/libcxx/test/benchmarks/algorithms/rotate.bench.cpp
+++ b/libcxx/test/benchmarks/algorithms/rotate.bench.cpp
@@ -16,15 +16,13 @@
 
 #include <benchmark/benchmark.h>
 
-void run_sizes(auto benchmark) {
-  benchmark->Arg(1)->Arg(4)->Arg(32)->Arg(64)->Arg(512)->Arg(4096)->Arg(65536);
-}
+void run_sizes(auto benchmark) { benchmark->Arg(1)->Arg(4)->Arg(32)->Arg(64)->Arg(512)->Arg(4096)->Arg(65536); }
 
 template <class Container>
 static void BM_std_rotate(benchmark::State& state) {
   Container c(state.range(), typename Container::value_type());
   const auto relative_offset = state.range();
-  auto middle = std::next(c.begin(), c.size() / relative_offset);
+  auto middle                = std::next(c.begin(), c.size() / relative_offset);
 
   for (auto _ : state) {
     benchmark::DoNotOptimize(c);

``````````

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https://github.com/llvm/llvm-project/pull/120890