1/*
2 * Copyright (C) 2014 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
17// Note that $opt$ is a marker for the optimizing compiler to ensure
18// it does compile the method.
19
20public class Main {
21
22  public static void expectEquals(int expected, int value) {
23    if (expected != value) {
24      throw new Error("Expected: " + expected + ", found: " + value);
25    }
26  }
27
28  public static void main(String[] args) {
29    int result = $opt$testIfEq1(42);
30    expectEquals(42, result);
31
32    result = $opt$testIfEq2(42);
33    expectEquals(7, result);
34
35    result = $opt$testWhileLoop(42);
36    expectEquals(45, result);
37
38    result = $opt$testDoWhileLoop(42);
39    expectEquals(45, result);
40
41    result = $opt$testForLoop(42);
42    expectEquals(44, result);
43
44    result = $opt$testIfWithLocal(5);
45    expectEquals(7, result);
46  }
47
48  static int $opt$testIfEq1(int a) {
49    if (a + 1 == 43) {
50      return 42;
51    } else {
52      return 7;
53    }
54  }
55
56  static int $opt$testIfEq2(int a) {
57    if (a + 1 == 41) {
58      return 42;
59    } else {
60      return 7;
61    }
62  }
63
64  static int $opt$testWhileLoop(int a) {
65    while (a++ != 44) {}
66    return a;
67  }
68
69  static int $opt$testDoWhileLoop(int a) {
70    do {
71    } while (a++ != 44);
72    return a;
73  }
74
75  static int $opt$testForLoop(int a) {
76    for (; a != 44; a++) {}
77    return a;
78  }
79
80  static int $opt$testIfWithLocal(int a) {
81    if (a == 5) {
82      int f = 2;
83      a += f;
84    }
85    // The SSA builder should not create a phi for f.
86
87    return a;
88  }
89}
90