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  public static int[] bar(int[] a) {
19    a[0] = 0;
20    a[1] = 0;
21    a[2] = 0;
22    // Up to this point, we record that the lower bound (inclusive) is 3.
23    // The next instruction will record that the lower bound is 5.
24    // The deoptimization code used to assume the lower bound has
25    // to be the one it will add for the deoptimization check (here, it
26    // would be 3).
27    return new int[a.length - 5];
28  }
29
30  public static int[] foo(int[] a) {
31    a[0] = 0;
32    a[1] = 0;
33    a[2] = 0;
34    // Up to this point, we record that the lower bound (inclusive) is 3.
35    // The next instruction will record that the lower bound is 1.
36    // The deoptimization code used to assume the lower bound has
37    // to be the one it will add for the deoptimization check (here, it
38    // would be 3).
39    return new int[a.length - 1];
40  }
41
42  public static void main(String[] args) {
43    int[] a = new int[5];
44    int[] result = bar(a);
45    if (result.length != 0) {
46      throw new Error("Expected 0, got " + result.length);
47    }
48
49    result = foo(a);
50    if (result.length != 4) {
51      throw new Error("Expected 5, got " + result.length);
52    }
53  }
54}
55