/* * 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() { for (int i = 0; i < 100; i++) { $noinline$hotnessCount(); } } public static void main(String[] args) { System.loadLibrary(args[0]); if (!isAotCompiled(Main.class, "main")) { return; } $noinline$hotnessCount(); int counter = getHotnessCounter(Main.class, "$noinline$hotnessCount"); if (counter == 0) { throw new Error("Expected hotness counter to be updated"); } $noinline$hotnessCountWithLoop(); if (getHotnessCounter(Main.class, "$noinline$hotnessCountWithLoop") <= counter) { throw new Error("Expected hotness counter of a loop to be greater than without loop"); } } public static native int getHotnessCounter(Class<?> cls, String methodName); public static native boolean isAotCompiled(Class<?> cls, String methodName); }