content: /*
   * 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 {
  
    static int static_variable = 0;
  
    /// CHECK-START-ARM64: int Main.arrayAccess() scheduler (before)
    /// CHECK:    <<Const1:i\d+>>       IntConstant 1
    /// CHECK:    <<i0:i\d+>>           Phi
    /// CHECK:    <<res0:i\d+>>         Phi
    /// CHECK:    <<Array:i\d+>>        IntermediateAddress
    /// CHECK:    <<ArrayGet1:i\d+>>    ArrayGet [<<Array>>,<<i0>>]
    /// CHECK:    <<res1:i\d+>>         Add [<<res0>>,<<ArrayGet1>>]
    /// CHECK:    <<i1:i\d+>>           Add [<<i0>>,<<Const1>>]
    /// CHECK:    <<ArrayGet2:i\d+>>    ArrayGet [<<Array>>,<<i1>>]
    /// CHECK:                          Add [<<res1>>,<<ArrayGet2>>]
  
    /// CHECK-START-ARM64: int Main.arrayAccess() scheduler (after)
    /// CHECK:    <<Const1:i\d+>>       IntConstant 1
    /// CHECK:    <<i0:i\d+>>           Phi
    /// CHECK:    <<res0:i\d+>>         Phi
    /// CHECK:    <<Array:i\d+>>        IntermediateAddress
    /// CHECK:    <<ArrayGet1:i\d+>>    ArrayGet [<<Array>>,<<i0>>]
    /// CHECK:    <<i1:i\d+>>           Add [<<i0>>,<<Const1>>]
    /// CHECK:    <<ArrayGet2:i\d+>>    ArrayGet [<<Array>>,<<i1>>]
    /// CHECK:    <<res1:i\d+>>         Add [<<res0>>,<<ArrayGet1>>]
    /// CHECK:                          Add [<<res1>>,<<ArrayGet2>>]
  
    public static int arrayAccess() {
      int res = 0;
      int [] array = new int[10];
      for (int i = 0; i < 9; i++) {
        res += array[i];
        res += array[i + 1];
      }
      return res;
    }
  
    /// CHECK-START-ARM64: int Main.intDiv(int) scheduler (before)
    /// CHECK:               Sub
    /// CHECK:               DivZeroCheck
    /// CHECK:               Div
    /// CHECK:               StaticFieldSet
  
    /// CHECK-START-ARM64: int Main.intDiv(int) scheduler (after)
    /// CHECK:               Sub
    /// CHECK-NOT:           StaticFieldSet
    /// CHECK:               DivZeroCheck
    /// CHECK-NOT:           Sub
    /// CHECK:               Div
    public static int intDiv(int arg) {
      int res = 0;
      int tmp = arg;
      for (int i = 1; i < arg; i++) {
        tmp -= i;
        res = res / i;  // div-zero check barrier.
        static_variable++;
      }
      res += tmp;
      return res;
    }
  
    public static void main(String[] args) {
      if ((arrayAccess() + intDiv(10)) != -35) {
        System.out.println("FAIL");
      }
    }
  }
  