Tests for Invariant Loops

Test: ./test.py --host

Change-Id: I6c2631af2c62a41b1811f646804d395bb0cefa35
Signed-off-by: anuvarsh <anuvarshini.bc@intel.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/test/2024-InvariantNegativeLoop/src/Main.java b/test/2024-InvariantNegativeLoop/src/Main.java
new file mode 100644
index 0000000000..5e729f826f
--- /dev/null
+++ b/test/2024-InvariantNegativeLoop/src/Main.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+
+
+public class Main {
+
+    public static void assertFloatEquals(float expected, float result) {
+        if (expected != result) {
+            throw new Error("Expected: " + expected + ", found: " + result);
+        }
+    }
+
+    public int loop() {
+        float used1 = 1;
+        float used2 = 2;
+        float used3 = 3;
+        float used4 = 4;
+        float invar1 = 15;
+        float invar2 = 25;
+        float invar3 = 35;
+        float invar4 = 45;
+        float i = 0.5f;
+
+        do {
+            used1 = invar1 + invar2;
+            used2 = invar2 - invar3;
+            used3 = invar3 * invar4;
+            used4 = invar1 * invar2 - invar3 + invar4;
+            i += 0.5f;
+        } while (i < 5000.25f);
+        assertFloatEquals(Float.floatToIntBits(used1 + used2 + used3 + used4), 1157152768);
+        return Float.floatToIntBits(used1 + used2 + used3 + used4);
+    }
+
+    public static void main(String[] args) {
+        int res = new Main().loop();
+    }
+}