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 public class Main { 18 19 // Workaround for b/18051191. 20 class InnerClass {} 21 22 static boolean $inline$False() { return false; } 23 24 // DCE should only merge blocks where the first ends with a Goto. 25 // SSAChecker will fail if the following Throw->TryBoundary blocks are merged. 26 public static void doNotMergeThrow(String str) { 27 try { 28 throw new Exception(str); 29 } catch (Exception ex) { 30 return; 31 } 32 } 33 34 // Test deletion of all try/catch blocks. Multiple catch blocks test deletion 35 // where TryBoundary still has exception handler successors after having removed 36 // some already. 37 38 /// CHECK-START: void Main.testDeadTryCatch(boolean) dead_code_elimination$after_inlining (after) 39 /// CHECK-NOT: TryBoundary 40 41 /// CHECK-START: void Main.testDeadTryCatch(boolean) dead_code_elimination$after_inlining (after) 42 /// CHECK: begin_block 43 /// CHECK: begin_block 44 /// CHECK: begin_block 45 /// CHECK-NOT: begin_block 46 47 public static void testDeadTryCatch(boolean val) { 48 if ($inline$False()) { 49 try { 50 if (val) { 51 throw new ArithmeticException(); 52 } else { 53 throw new ArrayIndexOutOfBoundsException(); 54 } 55 } catch (ArithmeticException ex) { 56 System.out.println("Unexpected AE catch"); 57 } catch (ArrayIndexOutOfBoundsException ex) { 58 System.out.println("Unexpected AIIOB catch"); 59 } 60 } 61 } 62 63 public static void main(String[] args) { 64 65 } 66 } 67
