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.  Oracle designates this
 8  * particular file as subject to the "Classpath" exception as provided
 9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package oracle.code.triton;
27 
28 import java.lang.reflect.Method;
29 import jdk.incubator.code.Op;
30 import jdk.incubator.code.CodeReflection;
31 import jdk.incubator.code.dialect.core.CoreOp;
32 
33 import java.util.Optional;
34 import java.util.stream.Stream;
35 
36 class Functions {
37     private Functions() {
38     }
39 
40     @CodeReflection
41     static int sum(int a, int b) {
42         return a + b;
43     }
44 
45     @CodeReflection
46     static int max(int a, int b) {
47         return Math.max(a, b);
48     }
49 
50     @CodeReflection
51     static int cdiv(int x, int div) {
52         return (x + div - 1) / div;
53     }
54 
55     static CoreOp.FuncOp getJavaCodeModel(String name) {
56         Optional<Method> om = Stream.of(Functions.class.getDeclaredMethods())
57                 .filter(m -> m.getName().equals(name))
58                 .filter(m -> m.getAnnotation(CodeReflection.class) != null)
59                 .findFirst();
60 
61         Method m = om.get();
62         return Op.ofMethod(m).get();
63     }
64 }