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/*
* 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];
}
}
}
}
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