1 files changed, 90 insertions, 0 deletions
diff --git a/tests/src/JIT/Performance/CodeQuality/BenchI/BubbleSort2/BubbleSort2.cs b/tests/src/JIT/Performance/CodeQuality/BenchI/BubbleSort2/BubbleSort2.cs
new file mode 100644
index 0000000000..55e5a5f8c5
--- /dev/null
+++ b/tests/src/JIT/Performance/CodeQuality/BenchI/BubbleSort2/BubbleSort2.cs
@@ -0,0 +1,90 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//
+
+using Microsoft.Xunit.Performance;
+using System;
+using System.Runtime.CompilerServices;
+using Xunit;
+
+[assembly: OptimizeForBenchmarks]
+[assembly: MeasureInstructionsRetired]
+
+public static class BubbleSort2
+{
+
+#if DEBUG
+    public const int Iterations = 1;
+    public const int Bound = 5 * Iterations;
+#else
+    public const int Iterations = 15;
+    public const int Bound = 500 * Iterations;
+#endif
+
+    static void Inner(int[] x) {
+        int limit1 = Bound - 1;
+        for (int i = 1; i <= limit1; i++) {
+            for (int j = i; j <= Bound; j++) {
+                if (x[i] > x[j]) {
+                    int temp = x[j];
+                    x[j] = x[i];
+                    x[i] = temp;
+                }
+            }
+        }
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    static bool Bench() {
+        int[] x = new int[Bound + 1];
+        int i, j;
+        int limit;
+        j = 99999;
+        limit = Bound - 2;
+        i = 1;
+        do {
+            x[i] = j & 32767;
+            x[i + 1] = (j + 11111) & 32767;
+            x[i + 2] = (j + 22222) & 32767;
+            j = j + 33333;
+            i = i + 3;
+        } while (i <= limit);
+        x[Bound - 1] = j;
+        x[Bound] = j;
+
+        Inner(x);
+
+        for (i = 0; i < Bound - 1; i++) {
+            if (x[i] > x[i + 1]) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    [Benchmark]
+    public static void Test() {
+        foreach (var iteration in Benchmark.Iterations) {
+            using (iteration.StartMeasurement()) {
+                for (int i = 0; i < Iterations; i++) {
+                    Bench();
+                }
+            }
+        }
+    }
+
+    static bool TestBase() {
+        bool result = true;
+        for (int i = 0; i < Iterations; i++) {
+            result &= Bench();
+        }
+        return result;
+    }
+    
+    public static int Main() {
+        bool result = TestBase();
+        return (result ? 100 : -1);
+    }
+}