1 /* 2 * Copyright (C) 2024 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 { main(String[] args)18 public static void main(String[] args) { 19 $noinline$testAlwaysThrows(); 20 } 21 22 // This never visibily throws as all throws are caught within the same method. alwaysThrowsInfiniteLoop()23 private static void alwaysThrowsInfiniteLoop() { 24 while (true) { 25 try { 26 throw new Error(); 27 } catch (Error expected) { 28 } 29 } 30 } 31 alwaysThrows()32 private static void alwaysThrows() throws Exception { 33 try { 34 throw new Error(); 35 } catch (Error expected) { 36 throw new Exception(); 37 } 38 } 39 40 /// CHECK-START: void Main.$noinline$testAlwaysThrows() inliner (after) 41 /// CHECK: InvokeStaticOrDirect method_name:Main.alwaysThrows always_throws:false $noinline$testAlwaysThrows()42 private static void $noinline$testAlwaysThrows() { 43 try { 44 alwaysThrows(); 45 System.out.println("alwaysThrows didn't throw"); 46 } catch (Exception expected) { 47 } 48 } 49 50 // Don't call this method as it has an infinite loop 51 52 /// CHECK-START: void Main.$noinline$doNotCallInfiniteLoop() inliner (after) 53 /// CHECK: InvokeStaticOrDirect method_name:Main.alwaysThrowsInfiniteLoop always_throws:false $noinline$doNotCallInfiniteLoop()54 private static void $noinline$doNotCallInfiniteLoop() { 55 alwaysThrowsInfiniteLoop(); 56 } 57 } 58