1 /*
2 * Copyright (c) 2012, 2014, 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 package org.graalvm.compiler.core.test;
26
27 import static org.graalvm.compiler.graph.test.matchers.NodeIterableIsEmpty.isNotEmpty;
28
29 import org.graalvm.compiler.nodes.StructuredGraph;
30 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
31 import org.graalvm.compiler.nodes.calc.IntegerLessThanNode;
32 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
33 import org.graalvm.compiler.phases.tiers.PhaseContext;
34 import org.junit.Assert;
35 import org.junit.Test;
36
37 public class CompareCanonicalizerTest2 extends GraalCompilerTest {
38
39 @SuppressWarnings("unused") private static int sink0;
40 @SuppressWarnings("unused") private static int sink1;
41
42 private StructuredGraph getCanonicalizedGraph(String name) {
43 StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
44 new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
45 return graph;
46 }
47
48 public void testIntegerTestCanonicalization(String name) {
49 StructuredGraph graph = getCanonicalizedGraph(name);
50 Assert.assertThat(graph.getNodes().filter(IntegerLessThanNode.class), isNotEmpty());
51 }
52
53 @Test
54 public void test0() {
55 testIntegerTestCanonicalization("integerTestCanonicalization0");
56 }
57
58 @Test
59 public void test1() {
60 testIntegerTestCanonicalization("integerTestCanonicalization1");
61 }
62
63 public static void integerTestCanonicalization0(int a) {
64 if (1 < a + 1) {
65 sink1 = 0;
66 } else {
67 sink0 = -1;
68 }
69 }
70
71 public static void integerTestCanonicalization1(int a) {
72 if (a - 1 < -1) {
73 sink1 = 0;
74 } else {
75 sink0 = -1;
76 }
77 }
78
79 }
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1 /*
2 * Copyright (c) 2012, 2018, 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 package org.graalvm.compiler.core.test;
26
27 import org.graalvm.compiler.nodes.StructuredGraph;
28 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
29 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
30 import org.graalvm.compiler.phases.tiers.PhaseContext;
31 import org.junit.Test;
32
33 public class CompareCanonicalizerTest2 extends GraalCompilerTest {
34
35 @SuppressWarnings("unused") private static boolean sink;
36
37 private StructuredGraph getCanonicalizedGraph(String name) {
38 StructuredGraph graph = getRegularGraph(name);
39 new CanonicalizerPhase().apply(graph, new PhaseContext(getProviders()));
40 return graph;
41 }
42
43 private StructuredGraph getRegularGraph(String name) {
44 StructuredGraph graph = parseEager(name, AllowAssumptions.YES);
45 return graph;
46 }
47
48 @Test
49 public void test0() {
50 assertEquals(getCanonicalizedGraph("integerTestCanonicalization0"), getRegularGraph("integerTestCanonicalization0"));
51 }
52
53 public static void integerTestCanonicalization0(int a) {
54 sink = 1 < a + 1;
55 }
56
57 @Test
58 public void test1() {
59 assertEquals(getCanonicalizedGraph("integerTestCanonicalization1"), getRegularGraph("integerTestCanonicalization1"));
60 }
61
62 public static void integerTestCanonicalization1(int a) {
63 sink = a - 1 < -1;
64 }
65
66 @Test
67 public void test2() {
68 assertEquals(getCanonicalizedGraph("integerTestCanonicalization2a"), getCanonicalizedGraph("integerTestCanonicalization2Reference"));
69 assertEquals(getCanonicalizedGraph("integerTestCanonicalization2b"), getCanonicalizedGraph("integerTestCanonicalization2Reference"));
70 }
71
72 public static boolean integerTestCanonicalization2a(Object[] arr) {
73 return arr.length - 1 < 0;
74 }
75
76 public static boolean integerTestCanonicalization2b(Object[] arr) {
77 return arr.length < 1;
78 }
79
80 public static boolean integerTestCanonicalization2Reference(Object[] arr) {
81 return arr.length == 0;
82 }
83
84 @Test
85 public void test3() {
86 assertEquals(getCanonicalizedGraph("integerTestCanonicalization3"), getCanonicalizedGraph("integerTestCanonicalization3Reference"));
87 }
88
89 public static boolean integerTestCanonicalization3(Object[] arr) {
90 return ((long) (arr.length - 1)) - 1 < 0;
91 }
92
93 public static boolean integerTestCanonicalization3Reference(Object[] arr) {
94 return arr.length < 2;
95 }
96
97 }
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