| Roland Levillain | b133ec6 | 2016-03-23 12:40:35 +0000 | [diff] [blame] | 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 | public static void main(String args[]) { |
| 20 | Element[] elements = new Element[51]; |
| 21 | testArraySetCheckCastNull(elements); |
| 22 | |
| 23 | System.out.println("passed"); |
| 24 | } |
| 25 | |
| 26 | /// CHECK-START: void Main.testArraySetCheckCastNull(Main$Element[]) builder (after) |
| 27 | /// CHECK: <<Array:l\d+>> ParameterValue |
| 28 | /// CHECK-DAG: <<Index:i\d+>> IntConstant 42 |
| 29 | /// CHECK-DAG: <<Null:l\d+>> NullConstant |
| 30 | /// CHECK-DAG: <<Class:l\d+>> LoadClass |
| 31 | /// CHECK-DAG: CheckCast [<<Null>>,<<Class>>] |
| 32 | /// CHECK-DAG: <<CheckedValue:l\d+>> BoundType [<<Null>>] klass:Main$Element can_be_null:true |
| 33 | /// CHECK-DAG: <<CheckedArray:l\d+>> NullCheck [<<Array>>] |
| 34 | /// CHECK-DAG: <<Length:i\d+>> ArrayLength [<<CheckedArray>>] |
| 35 | /// CHECK-DAG: <<CheckedIndex:i\d+>> BoundsCheck [<<Index>>,<<Length>>] |
| 36 | /// CHECK-DAG: <<ArraySet:v\d+>> ArraySet [<<CheckedArray>>,<<CheckedIndex>>,<<CheckedValue>>] needs_type_check:true |
| 37 | |
| 38 | /// CHECK-START: void Main.testArraySetCheckCastNull(Main$Element[]) instruction_simplifier (after) |
| 39 | /// CHECK-NOT: CheckCast |
| 40 | |
| 41 | /// CHECK-START: void Main.testArraySetCheckCastNull(Main$Element[]) prepare_for_register_allocation (before) |
| 42 | /// CHECK: <<Array:l\d+>> ParameterValue |
| 43 | /// CHECK-DAG: <<Index:i\d+>> IntConstant 42 |
| 44 | /// CHECK-DAG: <<Null:l\d+>> NullConstant |
| 45 | /// CHECK-DAG: <<Class:l\d+>> LoadClass |
| 46 | /// CHECK-DAG: <<CheckedValue:l\d+>> BoundType [<<Null>>] |
| 47 | /// CHECK-DAG: <<CheckedArray:l\d+>> NullCheck [<<Array>>] |
| 48 | /// CHECK-DAG: <<Length:i\d+>> ArrayLength [<<CheckedArray>>] |
| 49 | /// CHECK-DAG: <<CheckedIndex:i\d+>> BoundsCheck [<<Index>>,<<Length>>] |
| 50 | /// CHECK-DAG: <<ArraySet:v\d+>> ArraySet [<<CheckedArray>>,<<CheckedIndex>>,<<CheckedValue>>] needs_type_check:true |
| 51 | |
| 52 | /// CHECK-START: void Main.testArraySetCheckCastNull(Main$Element[]) prepare_for_register_allocation (after) |
| 53 | /// CHECK: <<Array:l\d+>> ParameterValue |
| 54 | /// CHECK-DAG: <<Index:i\d+>> IntConstant 42 |
| 55 | /// CHECK-DAG: <<Null:l\d+>> NullConstant |
| 56 | /// CHECK-DAG: <<Class:l\d+>> LoadClass |
| 57 | /// CHECK-DAG: <<Length:i\d+>> ArrayLength [<<Array>>] |
| 58 | /// CHECK-DAG: <<ArraySet:v\d+>> ArraySet [<<Array>>,<<Index>>,<<Null>>] needs_type_check:false |
| 59 | |
| 60 | static void testArraySetCheckCastNull(Element[] elements) { |
| 61 | Object object = null; |
| 62 | Element element = (Element) object; |
| 63 | elements[42] = element; |
| 64 | } |
| 65 | |
| 66 | class Element {} |
| 67 | |
| 68 | } |