| /* |
| * Copyright (c) 2021, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 8268261 |
| * @summary Test idom data after unswitching loop following by full unroll. |
| * @run main/othervm -XX:CompileCommand=compileonly,TestIdomAfterLoopUnswitching::* |
| * -Xcomp -XX:-TieredCompilation TestIdomAfterLoopUnswitching |
| */ |
| |
| public class TestIdomAfterLoopUnswitching { |
| |
| public static void main(String[] k) { |
| test1(); |
| test2(); |
| } |
| |
| public static void test1() { |
| float h = 0; |
| for (int j = 0; j < 3; ++j) { |
| float k = 9; |
| float[] fla = new float[2]; |
| for (int n = 0; n < 5; ++n) { |
| if (j >= 1) { |
| if (n <= 1) { |
| h += k; |
| } |
| } |
| } |
| for (int l12 = 0; l12 < 9; ++l12) { |
| for (int o = 0; o < 1; ++o) { |
| fla[0] += 1.0f; |
| } |
| } |
| } |
| } |
| |
| public static void test2() { |
| float[] fla = new float[1000]; |
| for (int i = 0; i < 1000; i++) { |
| for (float fl2 : fla) { |
| fla[100] = 1.0f; |
| } |
| } |
| for (int i = 0; i < 3; i++) { |
| for (int j = 0; j < 14; j++) { |
| fla[2] = fla[j]; |
| } |
| } |
| } |
| } |
