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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 public final class Main implements Interface {
     18 
     19   static void methodWithInvokeInterface(Interface interf) {
     20     interf.doCall();
     21   }
     22 
     23   public void doCall() {
     24     // We do not inline methods that always throw.
     25     throw new Error("");
     26   }
     27 
     28   public static void main(String[] args) {
     29     try {
     30       testInlineInterfaceCall();
     31     } catch (Error e) {
     32       // Expected
     33     }
     34     try {
     35       testInterfaceToVirtualCall();
     36     } catch (Error e) {
     37       // Expected.
     38     }
     39   }
     40 
     41   /// CHECK-START: void Main.testInlineInterfaceCall() inliner (before)
     42   /// CHECK:                          InvokeStaticOrDirect method_name:Main.methodWithInvokeInterface
     43 
     44   /// CHECK-START: void Main.testInlineInterfaceCall() inliner (before)
     45   /// CHECK-NOT:                      InvokeInterface
     46 
     47   /// CHECK-START: void Main.testInlineInterfaceCall() inliner (after)
     48   /// CHECK:                          InvokeInterface method_name:Interface.doCall
     49 
     50   /// CHECK-START: void Main.testInlineInterfaceCall() inliner (after)
     51   /// CHECK-NOT:                      InvokeStaticOrDirect
     52   public static void testInlineInterfaceCall() {
     53     methodWithInvokeInterface(itf);
     54   }
     55 
     56   /// CHECK-START: void Main.testInterfaceToVirtualCall() inliner (before)
     57   /// CHECK:                          InvokeStaticOrDirect method_name:Main.methodWithInvokeInterface
     58 
     59   /// CHECK-START: void Main.testInterfaceToVirtualCall() inliner (before)
     60   /// CHECK-NOT:                      InvokeInterface
     61 
     62   /// CHECK-START: void Main.testInterfaceToVirtualCall() inliner (after)
     63   /// CHECK:                          InvokeVirtual method_name:Main.doCall
     64 
     65   /// CHECK-START: void Main.testInterfaceToVirtualCall() inliner (after)
     66   /// CHECK-NOT:                      InvokeStaticOrDirect
     67   /// CHECK-NOT:                      InvokeInterface
     68   public static void testInterfaceToVirtualCall() {
     69     methodWithInvokeInterface(m);
     70   }
     71 
     72   static Interface itf = new Main();
     73   static Main m = new Main();
     74 }
     75 
     76 interface Interface {
     77   public void doCall();
     78 }
     79