1 /*
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 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
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 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.
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25 
26 /*
27  * @test
28  * @modules jdk.incubator.code
29  * @run main TestAnfBasicFuns
30  */
31 
32 import java.lang.reflect.Method;
33 
34 import jdk.incubator.code.Op;
35 import jdk.incubator.code.OpTransformer;
36 import jdk.incubator.code.analysis.AnfTransformer;
37 import jdk.incubator.code.analysis.NormalizeBlocksTransformer;
38 import jdk.incubator.code.analysis.SSA;
39 import jdk.incubator.code.op.CoreOp;
40 import jdk.incubator.code.CodeReflection;
41 import java.util.List;
42 
43 
44 
45 public class TestAnfBasicFuns {
46 
47     @CodeReflection
48     public static int test2(int arg1, int arg2) {
49         if (arg1 > arg2) {
50             return arg1 + 21;
51         } else {
52             return arg2 + 42;
53         }
54     }
55 
56     public static void main(String[] args) {
57 
58         testRun("test2", List.of(int.class, int.class), 20, 1);
59 
60     }
61 
62     private static void testRun(String methodName, List<Class<?>> params, Object...args) {
63         try {
64             Class<TestAnfBasicFuns> clazz = TestAnfBasicFuns.class;
65             Method method = clazz.getDeclaredMethod(methodName,params.toArray(new Class[params.size()]));
66             CoreOp.FuncOp f = Op.ofMethod(method).orElseThrow();
67 
68             //Ensure we're fully lowered before testing.
69             var fz = f.transform(OpTransformer.LOWERING_TRANSFORMER);
70             fz = SSA.transform(fz);
71             fz = NormalizeBlocksTransformer.transform(fz);
72 
73             System.out.println(fz.toText());
74 
75             var res = new AnfTransformer(fz).transform();
76             System.out.println("---------------------");
77             System.out.println(res.toText());
78 
79         } catch (NoSuchMethodException e) {
80             throw new RuntimeException(e);
81         }
82     }
83 }