1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
|
/*
* Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8361699
* @summary Check that NSR state propagate correctly to initially reducible Phis
* and turns them into non-reducible Phis.
* @run main/othervm -XX:CompileCommand=compileonly,*TestReduceAllocationNotReducibleAnymore*::*
* -XX:CompileCommand=dontinline,*TestReduceAllocationNotReducibleAnymore*::*
* -Xcomp compiler.escapeAnalysis.TestReduceAllocationNotReducibleAnymore
* @run main compiler.escapeAnalysis.TestReduceAllocationNotReducibleAnymore
*/
package compiler.escapeAnalysis;
public class TestReduceAllocationNotReducibleAnymore {
public static void main(String[] args) {
for (int i = 0; i < 100; i++) {
test(4, null);
}
}
static void test(int x, A a) {
Object[] objects = { new Object() };
Object object = new Object();
for (int i = 0; i < 150; i++) {
try {
objects[x] = object;
object = new byte[10];
} catch (ArrayIndexOutOfBoundsException e) {
}
try {
a.foo();
} catch (NullPointerException e) {
}
}
}
class A {
void foo() {}
}
}
|