test/570-checker-osr/src/Main.java

/*
 * Copyright (C) 2016 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 main(String[] args) {
    System.loadLibrary(args[0]);
    if ($noinline$returnInt() != 53) {
      throw new Error("Unexpected return value");
    }
    if ($noinline$returnFloat() != 42.2f) {
      throw new Error("Unexpected return value");
    }
    if ($noinline$returnDouble() != Double.longBitsToDouble(0xF000000000001111L)) {
      throw new Error("Unexpected return value ");
    }
    if ($noinline$returnLong() != 0xFFFF000000001111L) {
      throw new Error("Unexpected return value");
    }

    try {
      $noinline$deopt();
    } catch (Exception e) {}
  }

  public static int $noinline$returnInt() {
    if (doThrow) throw new Error("");
    int i = 0;
    for (; i < 100000000; ++i) {
    }
    while (!ensureInOsrCode()) {}
    System.out.println(i);
    return 53;
  }

  public static float $noinline$returnFloat() {
    if (doThrow) throw new Error("");
    int i = 0;
    for (; i < 200000000; ++i) {
    }
    while (!ensureInOsrCode()) {}
    System.out.println(i);
    return 42.2f;
  }

  public static double $noinline$returnDouble() {
    if (doThrow) throw new Error("");
    int i = 0;
    for (; i < 300000000; ++i) {
    }
    while (!ensureInOsrCode()) {}
    System.out.println(i);
    return Double.longBitsToDouble(0xF000000000001111L);
  }

  public static long $noinline$returnLong() {
    if (doThrow) throw new Error("");
    int i = 1000000;
    for (; i < 400000000; ++i) {
    }
    while (!ensureInOsrCode()) {}
    System.out.println(i);
    return 0xFFFF000000001111L;
  }

  public static void $noinline$deopt() {
    if (doThrow) throw new Error("");
    int i = 0;
    for (; i < 100000000; ++i) {
    }
    while (!ensureInOsrCode()) {}
    DeoptimizationController.startDeoptimization();
  }

  public static int[] array = new int[4];

  public static native boolean ensureInOsrCode();

  public static boolean doThrow = false;
}