/* * Copyright (C) 2018 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. */ public class Main { public static void $noinline$hotnessCount() { } public static void $noinline$hotnessCountWithLoop(int count) { for (int i = 0; i < count; i++) { $noinline$hotnessCount(); } } public static void main(String[] args) { System.loadLibrary(args[0]); if (!isAotCompiled(Main.class, "main")) { return; } int counter = getHotnessCounter(Main.class, "$noinline$hotnessCount"); $noinline$hotnessCount(); int newCounter = getHotnessCounter(Main.class, "$noinline$hotnessCount"); if (counter == newCounter) { throw new Error("Expected hotness counter to be updated"); } counter = getHotnessCounter(Main.class, "$noinline$hotnessCountWithLoop"); $noinline$hotnessCountWithLoop(1000); newCounter = getHotnessCounter(Main.class, "$noinline$hotnessCountWithLoop"); if (newCounter == counter) { throw new Error("Expected counter " + newCounter + " to be different than " + counter); } counter = newCounter; $noinline$hotnessCountWithLoop(65500); newCounter = getHotnessCounter(Main.class, "$noinline$hotnessCountWithLoop"); if (newCounter == counter) { throw new Error("Expected counter " + newCounter + " to be different than " + counter); } } public static native int getHotnessCounter(Class cls, String methodName); public static native boolean isAotCompiled(Class cls, String methodName); }