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comparison test/compiler/6823453/Test.java @ 704:ad8c635e757e

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6823453: DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph") Summary: Use a HaltNode on the fall through path of the AllocateArrayNode to indicate that it is unreachable if the array length is negative. Reviewed-by: never, jrose
author kvn
date Fri, 03 Apr 2009 13:33:32 -0700
parents
children d6b9fd78f389
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equal deleted inserted replaced
685:4e35bfab60a5 704:ad8c635e757e
1 /*
2 * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 /*
26 * @test
27 * @bug 6823453
28 * @summary DeoptimizeALot causes fastdebug server jvm to fail with assert(false,"unscheduable graph")
29 * @run main/othervm -Xcomp -XX:CompileOnly=Test -XX:+DeoptimizeALot Test
30 */
31
32 public class Test {
33
34 static long vara_1 = 1L;
35
36 static void testa() {
37 short var_2 = (byte) 1.0E10;
38
39 for ( Object temp = new byte[(byte)1.0E10]; true ;
40 var_2 = "1".equals("0") ? ((byte) vara_1) : 1 ) {}
41 }
42
43 static void testb() {
44 long var_1 = -1L;
45
46 short var_2 = (byte) 1.0E10;
47
48 for ( Object temp = new byte[(byte)1.0E10]; true ;
49 var_2 = "1".equals("0") ? ((byte) var_1) : 1 ) {}
50 }
51
52 static void testc() {
53 long var_1 = -1L;
54 if (vara_1 > 0) var_1 = 1L;
55
56 int var_2 = (byte)var_1 - 128;
57
58 for ( Object temp = new byte[var_2]; true ;
59 var_2 = "1".equals("0") ? 2 : 1 ) {}
60 }
61
62 static void testd() {
63 long var_1 = 0L;
64
65 int var_2 = (byte)var_1 + 1;
66 for (int i=0; i<2 ; i++) var_2 = var_2 - 1;
67
68 for ( Object temp = new byte[var_2]; true ;
69 var_2 = "1".equals("0") ? 2 : 1 ) {}
70 }
71
72 public static void main(String[] args) throws Exception {
73 int nex = 0;
74
75 try {
76 testa();
77 }
78 catch (java.lang.NegativeArraySizeException ex) { nex++; }
79 try {
80 testb();
81 }
82 catch (java.lang.NegativeArraySizeException ex) { nex++; }
83 try {
84 testc();
85 }
86 catch (java.lang.NegativeArraySizeException ex) { nex++; }
87 try {
88 testd();
89 }
90 catch (java.lang.NegativeArraySizeException ex) { nex++; }
91
92 if (nex != 4)
93 System.exit(97);
94 }
95 }
96