1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17public class Main {
18
19  // This tests a specific situation when condition ends up
20  // not getting materialized if only used by an environment.
21
22  private static Object obj;
23
24  private static int useValue(boolean value) {
25    return 42;
26  }
27
28  private static int runTest(boolean input1) {
29    boolean negation = !input1;
30    // Need the negation to appear in front of an If, and
31    // its condition to disappear. 'javac' will generate
32    // "if (!input1)" here and GVN will collapse the two
33    // conditions.
34    if (input1) {
35      // Generates an environment use of 'negation'.
36      obj = new Object();
37    }
38    // Uses 'negation' but disappears with inlining.
39    return useValue(negation);
40  }
41
42  public static void main(String[] args) throws Exception {
43    int result = runTest(true);
44    if (result != 42) {
45      throw new Error("Expected 42, got " + result);
46    }
47  }
48}
49