63 lines
2.4 KiB
Java
63 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 8281322
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* @summary check counted loop is properly constructed with/without safepoint
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* @library /test/lib /
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* @requires vm.compiler2.enabled
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* @run driver compiler.c2.irTests.TestCountedLoopSafepoint
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*/
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public class TestCountedLoopSafepoint {
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public static void main(String[] args) {
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TestFramework.runWithFlags("-XX:LoopMaxUnroll=1", "-XX:-UseCountedLoopSafepoints");
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TestFramework.runWithFlags("-XX:LoopMaxUnroll=1", "-XX:+UseCountedLoopSafepoints", "-XX:LoopStripMiningIter=1");
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TestFramework.runWithFlags("-XX:LoopMaxUnroll=1", "-XX:+UseCountedLoopSafepoints", "-XX:LoopStripMiningIter=1000");
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}
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@Test
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@IR(counts = {IRNode.COUNTED_LOOP, "1" })
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@IR(applyIf = { "LoopStripMiningIter", "0" }, failOn = { IRNode.SAFEPOINT, IRNode.OUTER_STRIP_MINED_LOOP})
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@IR(applyIf = { "LoopStripMiningIter", "1" }, counts = { IRNode.SAFEPOINT, "1" }, failOn = { IRNode.OUTER_STRIP_MINED_LOOP})
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@IR(applyIf = { "LoopStripMiningIter", "> 1" }, counts = {IRNode.SAFEPOINT, "1", IRNode.OUTER_STRIP_MINED_LOOP, "1" })
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public static float test(int start, int stop) {
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float v = 1;
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for (int i = start; i < stop; i++) {
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v *= 2;
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}
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return v;
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}
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@Run(test = "test")
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private void testRunner() {
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test(0, 100);
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}
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}
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