1 /*
2  * Copyright (C) 2016 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 public class Main {
18 
19   /// CHECK-START: void Main.main(java.lang.String[]) licm (after)
20   /// CHECK-DAG: <<NullCheck:l\d+>>   NullCheck
21   /// CHECK-DAG: <<BoundsCheck:i\d+>> BoundsCheck
22   /// CHECK-DAG:                      ArrayGet [<<NullCheck>>,<<BoundsCheck>>]
main(String[] args)23   public static void main(String[] args) {
24     try {
25       String foo = myString;
26       foo.getClass(); // Make sure the null check is not in the loop.
27       char c = 0;
28       for (int i = 0; i < 10; i++) {
29         // The charAt may be licm'ed, but it has to be licm'ed with its
30         // bounds check.
31         c = foo.charAt(10000000);
32       }
33       System.out.println(c);
34     } catch (StringIndexOutOfBoundsException e) {
35       // Expected
36     }
37   }
38 
39   static String myString = "foo";
40 }
41