96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
/*
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* Copyright (c) 2022, Alibaba Group Holding Limited. 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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*/
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/**
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* @test
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* @bug 8290432
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* @summary Unexpected parallel induction variable pattern was recongized
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*
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* @run main/othervm -XX:-TieredCompilation -Xcomp
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* -XX:CompileCommand=compileonly,compiler.c2.TestUnexpectedParallelIV::test
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* -XX:CompileCommand=compileonly,compiler.c2.TestUnexpectedParallelIV::test2
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* -XX:CompileCommand=quiet
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* -XX:CompileCommand=dontinline,compiler.c2.TestUnexpectedParallelIV::* compiler.c2.TestUnexpectedParallelIV
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*/
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package compiler.c2;
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public class TestUnexpectedParallelIV {
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static boolean bFld;
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static int dontInline() {
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return 0;
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}
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static int test2(int i1) {
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int i2, i3 = 0, i4, i5 = 0, i6;
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for (i2 = 0; 4 > i2; ++i2) {
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for (i4 = 1; i4 < 5; ++i4) {
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i3 -= --i1;
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i6 = 1;
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while (++i6 < 2) {
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dontInline();
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if (bFld) {
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i1 = 5;
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}
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}
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if (bFld) {
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break;
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}
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}
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}
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return i3;
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}
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static long test(int val, boolean b) {
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long ret = 0;
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long dArr[] = new long[100];
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for (int i = 15; 293 > i; ++i) {
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ret = val;
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int j = 1;
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while (++j < 6) {
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int k = (val--);
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for (long l = i; 1 > l; ) {
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if (k != 0) {
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ret += dontInline();
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}
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}
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if (b) {
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break;
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}
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}
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}
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return ret;
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}
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public static void main(String[] args) {
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for (int i = 0; i < 1000; i++) {
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test(0, false);
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}
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test2(5);
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}
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}
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