[PATCH] D39245: [ADT] Shuffle containers before sorting to uncover non-deterministic behavior
Duncan P. N. Exon Smith via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 25 09:12:02 PDT 2017
dexonsmith added inline comments.
================
Comment at: include/llvm/ADT/STLExtras.h:807-814
+template <typename ExecutionPolicy, typename IteratorTy>
+void sort(ExecutionPolicy &&Policy, IteratorTy Start, IteratorTy End) {
+#if LLVM_ENABLE_SHUFFLE_BEFORE_SORT
+ std::random_shuffle(Start, End);
+#endif
+ std::sort(Policy, Start, End);
+}
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Doesn't this already exist in llvm/Support/Parallel.h?
Repository:
rL LLVM
https://reviews.llvm.org/D39245
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