1 /*
2  * Copyright (C) 2017 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 /**
18  * Tests of varying trip counts. Focused on testing
19  * core and cleanup loop after vectorization.
20  */
21 public class Main {
22 
23   static int[] sA;
24 
init()25   static void init() {
26     for (int i = 0; i < sA.length; i++)
27       sA[i] = 100;
28   }
29 
doitTo(int n)30   static void doitTo(int n) {
31     for (int i = 0; i < n; i++)
32       sA[i] += 1;
33   }
34 
doitFrom(int n)35   static void doitFrom(int n) {
36     for (int i = n; i < sA.length; i++)
37       sA[i] += 1;
38   }
39 
verify(int n)40   static void verify(int n) {
41     for (int i = 0; i < n; i++)
42       if (sA[i] != 101)
43         throw new Error("failed inside loop");
44     for (int i = n; i < sA.length; i++)
45       if (sA[i] != 100)
46         throw new Error("failed outside loop");
47   }
48 
verify()49   static void verify() {
50     for (int i = 0; i < sA.length; i++)
51       if (sA[i] != 101)
52         throw new Error("failed inside loop");
53   }
54 
driver()55   static void driver() {
56     for (int n = 0; n <= sA.length; n++) {
57       init();
58       doitTo(n);
59       verify(n);
60       doitFrom(n);
61       verify();
62     }
63   }
64 
main(String[] args)65   public static void main(String[] args) {
66     sA = new int[17];
67     driver();
68     sA = new int[32];
69     driver();
70     System.out.println("passed");
71   }
72 }
73 
74