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comparison test/compiler/8002069/Test8002069.java @ 6944:f3da5ff1514c

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8002069: Assert failed in C2: assert(field->edge_count() > 0) failed: sanity Summary: Added missed type check of initializing store in ConnectionGraph::find_init_values(). Reviewed-by: roland, twisti, vlivanov
author kvn
date Tue, 06 Nov 2012 15:16:32 -0800
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6943:dbeaeee28bc2 6944:f3da5ff1514c
1 /*
2 * Copyright (c) 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 */
24
25 /**
26 * @test
27 * @bug 8002069
28 * @summary Assert failed in C2: assert(field->edge_count() > 0) failed: sanity
29 *
30 * @run main/othervm -Xmx32m -XX:+IgnoreUnrecognizedVMOptions -Xbatch -XX:CompileCommand=exclude,Test8002069.dummy Test8002069
31 */
32
33 abstract class O {
34 int f;
35 public O() { f = 5; }
36 abstract void put(int i);
37 public int foo(int i) {
38 put(i);
39 return i;
40 }
41 };
42
43 class A extends O {
44 int[] a;
45 public A(int s) {
46 a = new int[s];
47 }
48 public void put(int i) {
49 a[i%a.length] = i;
50 }
51 }
52
53 class B extends O {
54 int sz;
55 int[] a;
56 public B(int s) {
57 sz = s;
58 a = new int[s];
59 }
60 public void put(int i) {
61 a[i%sz] = i;
62 }
63 }
64
65 public class Test8002069 {
66 public static void main(String args[]) {
67 int sum = 0;
68 for (int i=0; i<8000; i++) {
69 sum += test1(i);
70 }
71 for (int i=0; i<100000; i++) {
72 sum += test2(i);
73 }
74 System.out.println("PASSED. sum = " + sum);
75 }
76
77 private O o;
78
79 private int foo(int i) {
80 return o.foo(i);
81 }
82 static int test1(int i) {
83 Test8002069 t = new Test8002069();
84 t.o = new A(5);
85 return t.foo(i);
86 }
87 static int test2(int i) {
88 Test8002069 t = new Test8002069();
89 t.o = new B(5);
90 dummy(i);
91 return t.foo(i);
92 }
93
94 static int dummy(int i) {
95 return i*2;
96 }
97 }
98