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/*
* Copyright (c) 2023, 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 8309268
* @summary Test loop invariant input to Cmp.
*
* @run main/othervm -Xcomp -XX:-TieredCompilation
* -XX:CompileCommand=compileonly,compiler.loopopts.superword.TestCmpInvar::test*
* compiler.loopopts.superword.TestCmpInvar
*/
package compiler.loopopts.superword;
public class TestCmpInvar {
static int N = 400;
static long myInvar;
static void test1(int limit, float fcon) {
boolean a[] = new boolean[1000];
for (int i = 0; i < limit; i++) {
a[i] = fcon > i;
}
}
static void test2(int limit, float fcon) {
boolean a[] = new boolean[1000];
for (int i = 0; i < limit; i++) {
a[i] = i > fcon;
}
}
static int test3() {
int[] a = new int[N];
int acc = 0;
for (int i = 1; i < 63; i++) {
acc += Math.min(myInvar, a[i]--);
}
return acc;
}
static int test4() {
int[] a = new int[N];
int acc = 0;
for (int i = 1; i < 63; i++) {
acc += Math.min(a[i]--, myInvar);
}
return acc;
}
public static void main(String[] strArr) {
for (int i = 0; i < 10_100; i++) {
test1(500, 80.1f);
}
for (int i = 0; i < 10_100; i++) {
test2(500, 80.1f);
}
for (int i = 0; i < 10_000; i++) {
test3();
}
for (int i = 0; i < 10_000; i++) {
test4();
}
}
}
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