jdk-24/test/hotspot/jtreg/compiler/vectorization/runner/LoopLiveOutNodesTest.java
Coleen Phillimore e7795851d2 8271707: migrate tests to use jdk.test.whitebox.WhiteBox
Reviewed-by: lmesnik, dholmes
2022-07-08 15:55:14 +00:00

138 lines
3.7 KiB
Java

/*
* Copyright (c) 2022, Arm Limited. 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
* @summary Vectorization test on loops with live out nodes
* @library /test/lib /
*
* @build jdk.test.whitebox.WhiteBox
* compiler.vectorization.runner.VectorizationTestRunner
*
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* compiler.vectorization.runner.LoopLiveOutNodesTest
*
* @requires vm.compiler2.enabled & vm.flagless
*/
package compiler.vectorization.runner;
import java.util.Random;
public class LoopLiveOutNodesTest extends VectorizationTestRunner {
private static final int SIZE = 3333;
private int[] a;
private int start;
private int limit;
public LoopLiveOutNodesTest() {
a = new int[SIZE];
for (int i = 0; i < SIZE; i++) {
a[i] = -697989 * i;
}
Random ran = new Random(31415926);
start = 999 + ran.nextInt() % 100;
limit = start + 1357;
}
@Test
public int SimpleIvUsed() {
int i = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++) {
res[i] = a[i] * 2757;
}
return i;
}
@Test
public int indexedByIvUsed() {
int i = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++) {
res[i] = a[i] & 0x77ff77ff;
}
return a[i - 1];
}
@Test
public int ivUsedMultiple() {
int i = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++) {
res[i] = a[i] | 65535;
}
return i * i;
}
@Test
public int ivUsedComplexExpr() {
int i = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++) {
res[i] = a[i] - 100550;
}
return a[i] + a[i - 2] + i * i;
}
@Test
public int[] ivUsedAnotherLoop() {
int i = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++) {
res[i] = a[i] * 100;
}
for (int j = i; j < i + 55; j++) {
res[j] = a[j - 500] + 2323;
}
return res;
}
@Test
public int ivUsedInParallel() {
int i = 0, j = 0;
int[] res = new int[SIZE];
for (i = start; i < limit; i++, j++) {
res[i] = a[i] + i;
}
return i * j + a[i] * a[j];
}
@Test
public int valueLiveOut() {
int val = 0;
int[] res = new int[SIZE];
for (int i = start; i < limit; i++) {
val = a[i] - 101;
res[i] = val;
}
return val;
}
}