Test control flow instruction with optimizing compiler.

Add support for basic instructions to implement these tests.

Change-Id: I3870bf9301599043b3511522bb49dc6364c9b4c0
diff --git a/test/402-optimizing-control-flow/src/Main.java b/test/402-optimizing-control-flow/src/Main.java
new file mode 100644
index 0000000..3339ef4
--- /dev/null
+++ b/test/402-optimizing-control-flow/src/Main.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+// Note that $opt$ is a marker for the optimizing compiler to ensure
+// it does compile the method.
+
+public class Main {
+
+  public static void expectEquals(int expected, int value) {
+    if (expected != value) {
+      throw new Error("Expected: " + expected + ", found: " + value);
+    }
+  }
+
+  public static void main(String[] args) {
+    int result = $opt$testIfEq1(42);
+    expectEquals(42, result);
+
+    result = $opt$testIfEq2(42);
+    expectEquals(7, result);
+
+    result = $opt$testWhileLoop(42);
+    expectEquals(45, result);
+
+    result = $opt$testDoWhileLoop(42);
+    expectEquals(45, result);
+
+    result = $opt$testForLoop(42);
+    expectEquals(44, result);
+  }
+
+  static int $opt$testIfEq1(int a) {
+    if (a + 1 == 43) {
+      return 42;
+    } else {
+      return 7;
+    }
+  }
+
+  static int $opt$testIfEq2(int a) {
+    if (a + 1 == 41) {
+      return 42;
+    } else {
+      return 7;
+    }
+  }
+
+  static int $opt$testWhileLoop(int a) {
+    while (a++ != 44) {}
+    return a;
+  }
+
+  static int $opt$testDoWhileLoop(int a) {
+    do {
+    } while (a++ != 44);
+    return a;
+  }
+
+  static int $opt$testForLoop(int a) {
+    for (; a != 44; a++) {}
+    return a;
+  }
+}