8286972: Support the new loop induction variable related PopulateIndex IR node on x86 #8778
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * Copyright (c) 2022, 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. | ||
| */ | ||
|
|
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| /** | ||
| * @test | ||
| * @bug 8286972 | ||
| * @summary Test vectorization of loop induction variable usage in the loop | ||
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|
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| * @requires vm.compiler2.enabled | ||
| * @requires (os.simpleArch == "x64" & vm.cpu.features ~= ".*avx2.*") | | ||
| * (os.simpleArch == "aarch64" & vm.cpu.features ~= ".*sve.*") | ||
| * @library /test/lib / | ||
| * @run driver compiler.vectorization.TestPopulateIndex | ||
| */ | ||
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| package compiler.vectorization; | ||
| import compiler.lib.ir_framework.*; | ||
| import java.util.Random; | ||
|
|
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| public class TestPopulateIndex { | ||
| private static final int count = 10000; | ||
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| private int[] idx; | ||
| private int[] src; | ||
| private int[] dst; | ||
| private float[] f; | ||
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| public static void main(String args[]) { | ||
| TestFramework.run(TestPopulateIndex.class); | ||
| } | ||
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| public TestPopulateIndex() { | ||
| idx = new int[count]; | ||
| src = new int[count]; | ||
| dst = new int[count]; | ||
| f = new float[count]; | ||
| Random ran = new Random(0); | ||
| for (int i = 0; i < count; i++) { | ||
| src[i] = ran.nextInt(); | ||
| } | ||
| } | ||
|
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| @Test | ||
| @IR(counts = {"PopulateIndex", ">= 1"}) | ||
| public void indexArrayFill() { | ||
| for (int i = 0; i < count; i++) { | ||
| idx[i] = i; | ||
| } | ||
| checkResultIndexArrayFill(); | ||
| } | ||
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| public void checkResultIndexArrayFill() { | ||
| for (int i = 0; i < count; i++) { | ||
| int expected = i; | ||
| if (idx[i] != expected) { | ||
| throw new RuntimeException("Invalid result: idx[" + i + "] = " + idx[i] + " != " + expected); | ||
| } | ||
| } | ||
| } | ||
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| @Test | ||
| @IR(counts = {"PopulateIndex", ">= 1"}) | ||
| public void exprWithIndex1() { | ||
| for (int i = 0; i < count; i++) { | ||
| dst[i] = src[i] * (i & 7); | ||
| } | ||
| checkResultExprWithIndex1(); | ||
| } | ||
|
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| public void checkResultExprWithIndex1() { | ||
| for (int i = 0; i < count; i++) { | ||
| int expected = src[i] * (i & 7); | ||
| if (dst[i] != expected) { | ||
| throw new RuntimeException("Invalid result: dst[" + i + "] = " + dst[i] + " != " + expected); | ||
| } | ||
| } | ||
| } | ||
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| @Test | ||
| @IR(counts = {"PopulateIndex", ">= 1"}) | ||
| public void exprWithIndex2() { | ||
| for (int i = 0; i < count; i++) { | ||
| f[i] = i * i + 100; | ||
| } | ||
| checkResultExprWithIndex2(); | ||
| } | ||
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| public void checkResultExprWithIndex2() { | ||
| for (int i = 0; i < count; i++) { | ||
| float expected = i * i + 100; | ||
| if (f[i] != expected) { | ||
| throw new RuntimeException("Invalid result: f[" + i + "] = " + f[i] + " != " + expected); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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Why not include this line in #ifdef ?
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It does not matter since it is assert which add code only in debug VM. I like this way.