Mercurial > hg > truffle
comparison graal/com.oracle.max.graal.jtt/src/com/oracle/max/graal/jtt/optimize/VN_Long02.java @ 4587:5b04b33dac74
add jtt tests, converted from the maxine repository using ConvertJTT
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 14 Feb 2012 16:27:59 +0100 |
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4586:05a6d48a6ace | 4587:5b04b33dac74 |
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1 /* | |
2 * Copyright (c) 2009, 2012, 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 package com.oracle.max.graal.jtt.optimize; | |
24 | |
25 import org.junit.*; | |
26 | |
27 /* | |
28 * Tests optimization of integer operations. | |
29 */ | |
30 public class VN_Long02 { | |
31 | |
32 public static long test(int arg) { | |
33 if (arg == 0) { | |
34 return shift0(arg + 10); | |
35 } | |
36 if (arg == 1) { | |
37 return shift1(arg + 10); | |
38 } | |
39 if (arg == 2) { | |
40 return shift2(arg + 10); | |
41 } | |
42 return 0; | |
43 } | |
44 | |
45 public static long shift0(long x) { | |
46 long c = 1; | |
47 long t = x >> c; | |
48 long u = x >> c; | |
49 return t + u; | |
50 } | |
51 | |
52 public static long shift1(long x) { | |
53 long c = 1; | |
54 long t = x >>> c; | |
55 long u = x >>> c; | |
56 return t + u; | |
57 } | |
58 | |
59 public static long shift2(long x) { | |
60 long c = 1; | |
61 long t = x << c; | |
62 long u = x << c; | |
63 return t + u; | |
64 } | |
65 | |
66 @Test | |
67 public void run0() throws Throwable { | |
68 Assert.assertEquals(10L, test(0)); | |
69 } | |
70 | |
71 @Test | |
72 public void run1() throws Throwable { | |
73 Assert.assertEquals(10L, test(1)); | |
74 } | |
75 | |
76 @Test | |
77 public void run2() throws Throwable { | |
78 Assert.assertEquals(48L, test(2)); | |
79 } | |
80 | |
81 } |