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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 
17 
18 public class Main {
19 
20   /// CHECK-START: void Main.boundTypeForIfNotNull() builder (after)
21   /// CHECK-DAG:     <<Method:(i|j)\d+>>  CurrentMethod
22   /// CHECK-DAG:     <<Null:l\d+>>        NullConstant
23   /// CHECK-DAG:     <<Cst5:i\d+>>        IntConstant 5
24   /// CHECK-DAG:     <<Cst10:i\d+>>       IntConstant 10
25 
26   /// CHECK-DAG:                          InvokeVirtual [<<NullCheck:l\d+>>]
27   /// CHECK-DAG:     <<NullCheck>>        NullCheck [<<LoopPhi:l\d+>>] klass:int[]
28   /// CHECK-DAG:     <<LoopPhi>>          Phi [<<Null>>,<<MergePhi:l\d+>>] klass:int[]
29 
30   /// CHECK-DAG:     <<BoundType:l\d+>>   BoundType [<<LoopPhi>>] klass:int[] can_be_null:false
31   /// CHECK-DAG:     <<NewArray10:l\d+>>  NewArray [<<Cst10>>,<<Method>>] klass:int[]
32   /// CHECK-DAG:     <<NotNullPhi:l\d+>>  Phi [<<BoundType>>,<<NewArray10>>] klass:int[]
33 
34   /// CHECK-DAG:     <<NewArray5:l\d+>>   NewArray [<<Cst5>>,<<Method>>] klass:int[]
35   /// CHECK-DAG:     <<MergePhi>>         Phi [<<NewArray5>>,<<NotNullPhi>>] klass:int[]
36 
boundTypeForIfNotNull()37   public static void boundTypeForIfNotNull() {
38     int[] array = null;
39     for (int i = -1; i < 10; ++i) {
40       if (array == null) {
41         array = new int[5];
42       } else {
43         if (i == 5) {
44           array = new int[10];
45         }
46         array[i] = i;
47       }
48     }
49     array.hashCode();
50   }
51 
main(String[] args)52   public static void main(String[] args) {  }
53 }
54