8323154: C2: assert(cmp != nullptr && cmp->Opcode() == Op_Cmp(bt)) failed: no exit test
Reviewed-by: roland, thartmann, qamai
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parent
16be38887f
commit
6997bfc68d
src/hotspot/share/opto
test/hotspot/jtreg/compiler/c2
@ -155,7 +155,7 @@ static bool ok_to_convert(Node* inc, Node* var) {
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static bool is_cloop_condition(BoolNode* bol) {
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for (DUIterator_Fast imax, i = bol->fast_outs(imax); i < imax; i++) {
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Node* out = bol->fast_out(i);
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if (out->is_CountedLoopEnd()) {
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if (out->is_BaseCountedLoopEnd()) {
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return true;
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}
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}
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@ -0,0 +1,49 @@
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/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.c2;
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/*
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* @test
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* @bug 8323154
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* @summary Long counted loop exit check should not be transformed into an unsigned check
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*
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* @run main/othervm -Xbatch -XX:CompileCommand=compileonly,compiler.c2.TestMinValueStrideLongCountedLoop::test
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* compiler.c2.TestMinValueStrideLongCountedLoop
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*/
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public class TestMinValueStrideLongCountedLoop {
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static long limit = 0;
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static long res = 0;
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public static void main(String[] args) {
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for (int i = 0; i < 10000; i++) {
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test();
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}
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}
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static void test() {
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for (long i = 0; i >= limit + (Long.MIN_VALUE + 1); i += Long.MIN_VALUE) {
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res += 42;
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}
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}
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}
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