116 lines
3.6 KiB
Java
116 lines
3.6 KiB
Java
/*
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* Copyright (c) 2022, 2023, Oracle and/or its affiliates. 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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* @test
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* @bug 8286972
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* @summary Test vectorization of loop induction variable usage in the loop
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* @requires vm.compiler2.enabled
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* @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx2.*") |
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* (os.simpleArch == "aarch64" & vm.cpu.features ~= ".*sve.*")
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* @library /test/lib /
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* @run driver compiler.vectorization.TestPopulateIndex
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*/
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package compiler.vectorization;
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import compiler.lib.ir_framework.*;
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import java.util.Random;
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public class TestPopulateIndex {
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private static final int count = 10000;
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private int[] idx;
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private int[] src;
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private int[] dst;
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private float[] f;
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public static void main(String args[]) {
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TestFramework.run(TestPopulateIndex.class);
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}
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public TestPopulateIndex() {
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idx = new int[count];
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src = new int[count];
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dst = new int[count];
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f = new float[count];
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Random ran = new Random(0);
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for (int i = 0; i < count; i++) {
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src[i] = ran.nextInt();
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}
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}
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@Test
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@IR(counts = {IRNode.POPULATE_INDEX, "> 0"})
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public void indexArrayFill() {
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for (int i = 0; i < count; i++) {
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idx[i] = i;
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}
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checkResultIndexArrayFill();
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}
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public void checkResultIndexArrayFill() {
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for (int i = 0; i < count; i++) {
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int expected = i;
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if (idx[i] != expected) {
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throw new RuntimeException("Invalid result: idx[" + i + "] = " + idx[i] + " != " + expected);
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}
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}
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}
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@Test
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@IR(counts = {IRNode.POPULATE_INDEX, "> 0"})
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public void exprWithIndex1() {
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for (int i = 0; i < count; i++) {
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dst[i] = src[i] * (i & 7);
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}
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checkResultExprWithIndex1();
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}
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public void checkResultExprWithIndex1() {
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for (int i = 0; i < count; i++) {
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int expected = src[i] * (i & 7);
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if (dst[i] != expected) {
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throw new RuntimeException("Invalid result: dst[" + i + "] = " + dst[i] + " != " + expected);
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}
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}
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}
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@Test
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@IR(counts = {IRNode.POPULATE_INDEX, "> 0"})
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public void exprWithIndex2() {
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for (int i = 0; i < count; i++) {
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f[i] = i * i + 100;
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}
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checkResultExprWithIndex2();
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}
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public void checkResultExprWithIndex2() {
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for (int i = 0; i < count; i++) {
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float expected = i * i + 100;
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if (f[i] != expected) {
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throw new RuntimeException("Invalid result: f[" + i + "] = " + f[i] + " != " + expected);
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}
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}
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}
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}
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