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 
methodWithInvokeInterface(Interface interf)19   static void methodWithInvokeInterface(Interface interf) {
20     interf.doCall();
21   }
22 
doCall()23   public void doCall() {
24     // We do not inline methods that always throw.
25     throw new Error("");
26   }
27 
main(String[] args)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
testInlineInterfaceCall()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
testInterfaceToVirtualCall()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 {
doCall()77   public void doCall();
78 }
79