1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp b/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
index b89c277b694..ecdb7d2a274 100644
--- a/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
+++ b/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
@@ -82,5 +82,19 @@ TEST(ClusteringTest, Clusters3D_InvalidOrder) {
   consumeError(std::move(Error));
 }
 
+TEST(ClusteringTest, Ordering) {
+  ASSERT_LT(InstructionBenchmarkClustering::ClusterId::makeValid(1),
+            InstructionBenchmarkClustering::ClusterId::makeValid(2));
+
+  ASSERT_LT(InstructionBenchmarkClustering::ClusterId::makeValid(2),
+            InstructionBenchmarkClustering::ClusterId::noise());
+
+  ASSERT_LT(InstructionBenchmarkClustering::ClusterId::makeValid(2),
+            InstructionBenchmarkClustering::ClusterId::error());
+
+  ASSERT_LT(InstructionBenchmarkClustering::ClusterId::noise(),
+            InstructionBenchmarkClustering::ClusterId::error());
+}
+
 } // namespace
 } // namespace exegesis