| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| final class Final { } |
| |
| public class Main { |
| // CHECK-START: Final Main.testKeepCheckCast(java.lang.Object, boolean) reference_type_propagation (after) |
| // CHECK: [[Phi:l\d+]] Phi |
| // CHECK: [[Class:l\d+]] LoadClass |
| // CHECK: CheckCast [ [[Phi]] [[Class]] ] |
| // CHECK: Return [ [[Phi]] ] |
| |
| // CHECK-START: Final Main.testKeepCheckCast(java.lang.Object, boolean) instruction_simplifier_after_types (after) |
| // CHECK: [[Phi:l\d+]] Phi |
| // CHECK: [[Class:l\d+]] LoadClass |
| // CHECK: CheckCast |
| // CHECK: Return [ [[Phi]] ] |
| public static Final testKeepCheckCast(Object o, boolean cond) { |
| Object x = new Final(); |
| while (cond) { |
| x = o; |
| cond = false; |
| } |
| return (Final) x; |
| } |
| |
| public static void main(String[] args) { |
| try { |
| testKeepCheckCast(new Object(), true); |
| throw new Error("Expected check cast exception"); |
| } catch (ClassCastException e) { |
| // expected |
| } |
| } |
| } |
