1 /*
 2  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 import jdk.incubator.code.CodeReflection;
25 import jdk.incubator.code.Op;
26 import jdk.incubator.code.OpTransformer;
27 import jdk.incubator.code.dialect.core.CoreOp;
28 import jdk.incubator.code.interpreter.Interpreter;
29 import org.junit.jupiter.api.Assertions;
30 import org.junit.jupiter.api.Test;
31 
32 import java.lang.invoke.MethodHandles;
33 import java.lang.reflect.Method;
34 import java.util.Optional;
35 import java.util.stream.Stream;
36 
37 /*
38  * @test
39  * @modules jdk.incubator.code
40  * @run junit TestBlockOp
41  */
42 
43 public class TestBlockOp {
44 
45     @CodeReflection
46     public static int f() {
47         int i = 0;
48 
49         {
50             i++;
51         }
52 
53         {
54             i += 2;
55         }
56 
57         return i;
58     }
59 
60     static CoreOp.FuncOp getFuncOp(String name) {
61         Optional<Method> om = Stream.of(TestBlockOp.class.getDeclaredMethods())
62                 .filter(m -> m.getName().equals(name))
63                 .findFirst();
64 
65         Method m = om.get();
66         return Op.ofMethod(m).get();
67     }
68 
69     @Test
70     public void testf() {
71         CoreOp.FuncOp f = getFuncOp("f");
72 
73         System.out.println(f.toText());
74 
75         CoreOp.FuncOp lf = f.transform(OpTransformer.LOWERING_TRANSFORMER);
76 
77         System.out.println(lf.toText());
78 
79         Assertions.assertEquals(f(), Interpreter.invoke(MethodHandles.lookup(), lf));
80     }
81 }