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 public static void run() { 20 // Loop enough to get JIT compilation. 21 for (int i = 0; i < 10000; ++i) { 22 doCall(new int[0]); 23 } 24 } 25 26 public static void main(String[] args) throws Exception { 27 run(); 28 } 29 30 public static void doCall(int[] array) { 31 try { 32 deopt(array); 33 } catch (IndexOutOfBoundsException ioobe) { 34 // Expected 35 } 36 } 37 38 public static void deopt(int[] array) { 39 // Invoke `deopt` much more than `$inline$deopt` so that only `deopt` gets 40 // initially JITted. 41 if (call == 100) { 42 call = 0; 43 $inline$deopt(array); 44 } else { 45 call++; 46 } 47 } 48 49 public static void $inline$deopt(int[] array) { 50 array[0] = 1; 51 array[1] = 1; 52 } 53 54 static int call = 0; 55 } 56
