77 lines
2.4 KiB
Java
77 lines
2.4 KiB
Java
/*
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* Copyright (c) 2022, Red Hat, Inc. 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.irTests;
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import compiler.lib.ir_framework.*;
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/*
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* @test
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* @bug 8282592
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* @summary C2: assert(false) failed: graph should be schedulable
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* @library /test/lib /
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* @requires vm.compiler2.enabled
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* @run driver compiler.c2.irTests.TestSkeletonPredicates
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*/
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public class TestSkeletonPredicates {
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public static void main(String[] args) {
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TestFramework.runWithFlags("-XX:-UseLoopPredicate", "-XX:LoopUnrollLimit=240", "-XX:+StressIGVN", "-XX:StressSeed=255527877");
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TestFramework.runWithFlags("-XX:-UseLoopPredicate", "-XX:LoopUnrollLimit=240", "-XX:+StressIGVN");
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}
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static volatile int barrier;
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@ForceInline
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static boolean test1_helper(int start, int stop, double[] array1) {
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for (int i = start; i < stop; i++) {
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if ((i % 2) == 0) {
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array1[i] = 42.42;
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} else {
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barrier = 0x42;
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}
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}
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return false;
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}
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@Test
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@IR(counts = {IRNode.COUNTED_LOOP, "2" })
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static double[] test1(int stop) {
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double[] array1 = new double[10];
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for (int j = 0; j < stop; j++) {
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if (test1_helper(8, j, array1)) {
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return null;
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}
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}
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return array1;
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}
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@Run(test = "test1")
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void test1_runner() {
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double[] array2 = new double[10];
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double[] array3 = new double[1000];
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test1_helper(1, 1000, array3);
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test1(11);
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}
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}
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