1 files changed, 73 insertions, 0 deletions
diff --git a/test/641-iterations/src/Main.java b/test/641-iterations/src/Main.java
new file mode 100644
index 0000000000..6a27f80286
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+++ b/test/641-iterations/src/Main.java
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * Tests of varying trip counts. Focused on testing
+ * core and cleanup loop after vectorization.
+ */
+public class Main {
+
+  static int[] sA;
+
+  static void init() {
+    for (int i = 0; i < sA.length; i++)
+      sA[i] = 100;
+  }
+
+  static void doitTo(int n) {
+    for (int i = 0; i < n; i++)
+      sA[i] += 1;
+  }
+
+  static void doitFrom(int n) {
+    for (int i = n; i < sA.length; i++)
+      sA[i] += 1;
+  }
+
+  static void verify(int n) {
+    for (int i = 0; i < n; i++)
+      if (sA[i] != 101)
+        throw new Error("failed inside loop");
+    for (int i = n; i < sA.length; i++)
+      if (sA[i] != 100)
+        throw new Error("failed outside loop");
+  }
+
+  static void verify() {
+    for (int i = 0; i < sA.length; i++)
+      if (sA[i] != 101)
+        throw new Error("failed inside loop");
+  }
+
+  static void driver() {
+    for (int n = 0; n <= sA.length; n++) {
+      init();
+      doitTo(n);
+      verify(n);
+      doitFrom(n);
+      verify();
+    }
+  }
+
+  public static void main(String[] args) {
+    sA = new int[17];
+    driver();
+    sA = new int[32];
+    driver();
+    System.out.println("passed");
+  }
+}
+