[libcxx-commits] [libcxx] [libc++] Optimize rotate (PR #120862)

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``````````bash
git-clang-format --diff fd784726db70a5155594c32ee839b8807fafd87d 6399aec8e1b59b0aa436cf5e08ac78cdb18bd3d3 --extensions cpp,h -- libcxx/test/benchmarks/algorithms/rotate.bench.cpp libcxx/include/__algorithm/rotate.h
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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/include/__algorithm/rotate.h b/libcxx/include/__algorithm/rotate.h
index 1755a75888..91a073c1be 100644
--- a/libcxx/include/__algorithm/rotate.h
+++ b/libcxx/include/__algorithm/rotate.h
@@ -84,9 +84,9 @@ __rotate_forward(_ForwardIterator __first, _ForwardIterator __middle, _ForwardIt
 
 template <class _AlgPolicy, class _Iter, class _Sent>
 _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX17 _Iter __rotate_random(_Iter __first, _Iter __middle, _Sent __last) {
-  auto __left = _IterOps<_AlgPolicy>::distance(__first, __middle);
+  auto __left  = _IterOps<_AlgPolicy>::distance(__first, __middle);
   auto __right = _IterOps<_AlgPolicy>::distance(__middle, __last);
-  auto __end = __first + __right;
+  auto __end   = __first + __right;
 
   if (__left == 0 || __first == __last)
     return __first;

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https://github.com/llvm/llvm-project/pull/120862