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 /*
25  * @test
26  * @modules jdk.incubator.code
27  * @run junit TestNaming
28  */
29 
30 import jdk.incubator.code.CodeItem;
31 import jdk.incubator.code.CodeReflection;
32 import jdk.incubator.code.Op;
33 import jdk.incubator.code.OpTransformer;
34 import jdk.incubator.code.analysis.SSA;
35 import jdk.incubator.code.dialect.core.CoreOp;
36 import jdk.incubator.code.extern.OpWriter;
37 import org.junit.jupiter.api.Assertions;
38 import org.junit.jupiter.api.Test;
39 
40 import java.lang.reflect.Method;
41 import java.util.Optional;
42 import java.util.function.Function;
43 import java.util.stream.Stream;
44 
45 public class TestNaming {
46 
47     @CodeReflection
48     static int f(int n, int m) {
49         int sum = 0;
50         for (int i = 0; i < n; i++) {
51             for (int j = 0; j < n; j++) {
52                 sum += i;
53                 sum += j;
54             }
55         }
56         return sum;
57     }
58 
59     @Test
60     public void testHigh() {
61         CoreOp.FuncOp f = getFuncOp("f");
62 
63         testModel(f);
64     }
65 
66     @Test
67     public void testLow() {
68         CoreOp.FuncOp f = getFuncOp("f");
69 
70         f = f.transform(OpTransformer.LOWERING_TRANSFORMER);
71 
72         f = SSA.transform(f);
73 
74         testModel(f);
75     }
76 
77     static void testModel(Op op) {
78         Function<CodeItem, String> cNamer = OpWriter.computeGlobalNames(op);
79 
80         String actual = OpWriter.toText(op, OpWriter.CodeItemNamerOption.of(cNamer));
81         String expected = op.toText();
82 
83         Assertions.assertEquals(expected, actual);
84     }
85 
86     static CoreOp.FuncOp getFuncOp(String name) {
87         Optional<Method> om = Stream.of(TestNaming.class.getDeclaredMethods())
88                 .filter(m -> m.getName().equals(name))
89                 .findFirst();
90 
91         Method m = om.get();
92         return Op.ofMethod(m).get();
93     }
94 }