jdk-24/test/hotspot/jtreg/compiler/loopopts/MoveStoreAfterInfiniteLoop.jasm
Roland Westrelin e203df46fa 8338100: C2: assert(!n_loop->is_member(get_loop(lca))) failed: control must not be back in the loop
Co-authored-by: Emanuel Peter <epeter@openjdk.org>
Reviewed-by: chagedorn, thartmann
2024-09-05 15:51:27 +00:00

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/*
* Copyright (c) 2024, 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.
*/
super public class MoveStoreAfterInfiniteLoop
{
static Field a:I;
static Field b:I;
static Field c:S;
public Method "<init>":"()V"
stack 1 locals 1
{
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
public static Method test:"()V"
stack 3 locals 3
{
LTOP:
iconst_0;
istore_1;
LOUTER:
iload_1;
bipush 10;
if_icmpge LTOP;
getstatic Field c:"S";
putstatic Field a:"I";
iconst_0;
istore_2;
LINNER:
iload_2;
iconst_2;
if_icmpge LBOTTOM;
getstatic Field b:"I";
i2s;
putstatic Field c:"S";
iinc 2, 1;
goto LINNER;
LBOTTOM:
iinc 1, 1;
goto LOUTER;
}
}