Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
Path: blob/master/test/hotspot/jtreg/compiler/loopstripmining/DeadNodesInOuterLoopAtLoopCloning2.java
41149 views
1
/*
2
* Copyright (c) 2019, Red Hat, 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 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
* @test
26
* @bug 8234350
27
* @summary loop unrolling breaks when outer strip mined loop contains dead node
28
*
29
* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=DeadNodesInOuterLoopAtLoopCloning2 DeadNodesInOuterLoopAtLoopCloning2
30
*
31
*/
32
33
public class DeadNodesInOuterLoopAtLoopCloning2 {
34
public static void vMeth(boolean b, int i, float f) {
35
int i1=-4, i2=14, i16=10;
36
byte by=116;
37
38
for (i1 = 323; i1 > 3; i1 -= 2) {
39
if (i2 != 0) {
40
return;
41
}
42
for (i16 = 1; i16 < 10; i16++) {
43
i2 = by;
44
i += (i16 - i2);
45
i2 -= i16;
46
if (b) {
47
i = by;
48
}
49
i2 *= 20;
50
}
51
}
52
}
53
54
public static void main(String[] strArr) {
55
DeadNodesInOuterLoopAtLoopCloning2 _instance = new DeadNodesInOuterLoopAtLoopCloning2();
56
for (int i = 0; i < 10; i++ ) {
57
_instance.vMeth(true, 168, -125.661F);
58
}
59
}
60
}
61
62