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 {
  
    public static void main(String[] args) {
      Object[] array = { new Integer(1), new Integer(2), new Integer(3) };
      int result = test(array, 0, 2);
      System.out.println(result);
    }
  
    // This test method uses two integers (`index1` and `index2`) to
    // force the register allocator to use some high registers (R8-R15)
    // on x86-64 in the code generated for the first CheckCast (which
    // converts `new_array` to an `Object[]`), so as to produce code
    // containing a conditional jump whose offset does not fit in a
    // NearLabel when using Baker's read barrier fast path (because
    // x86-64 instructions using these high registers have a larger
    // encoding).
    //
    // The intent of this artifical constraint is to ensure the initial
    // failure is properly tested by this regression test.
  
    /// CHECK-START: int Main.test(java.lang.Object, int, int) register (after)
    /// CHECK-DAG:     CheckCast check_kind:array_object_check
    /// CHECK-DAG:     CheckCast check_kind:exact_check
    /// CHECK-DAG:     CheckCast check_kind:exact_check
  
    static public int test(Object new_array, int index1, int index2) {
      Object[] objectArray = (Object[]) new_array;
      Integer integer1 = (Integer) objectArray[index1];
      Integer integer2 = (Integer) objectArray[index2];
      return integer1.intValue() + integer2.intValue();
    }
  
  }
  