mirror of
https://github.com/openjdk/jdk.git
synced 2026-01-28 20:18:48 +00:00
105 lines
4.0 KiB
Java
105 lines
4.0 KiB
Java
/*
|
|
* Copyright (c) 2025, NVIDIA CORPORATION & 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.
|
|
*/
|
|
|
|
package compiler.vectorapi;
|
|
|
|
import compiler.lib.generators.*;
|
|
import compiler.lib.ir_framework.*;
|
|
import jdk.incubator.vector.*;
|
|
import jdk.test.lib.Asserts;
|
|
|
|
/**
|
|
* @test 8371603
|
|
* @key randomness
|
|
* @library /test/lib /
|
|
* @summary Test the missing optimization issues for vector load/store caused by JDK-8286941
|
|
* @modules jdk.incubator.vector
|
|
*
|
|
* @run driver ${test.main.class}
|
|
*/
|
|
public class TestVectorLoadStoreOptimization {
|
|
private static final int LENGTH = 1024;
|
|
private static final Generators random = Generators.G;
|
|
|
|
private static final VectorSpecies<Integer> SPECIES = IntVector.SPECIES_PREFERRED;
|
|
|
|
private static int[] a;
|
|
|
|
static {
|
|
a = new int[LENGTH];
|
|
random.fill(random.ints(), a);
|
|
}
|
|
|
|
// Test that "LoadVectorNode::Ideal()" calls "LoadNode::Ideal()" as expected,
|
|
// which sees the previous stores that go to the same position in-dependently,
|
|
// and optimize out the load with matched store values.
|
|
@Test
|
|
@IR(counts = { IRNode.LOAD_VECTOR_I, "1" },
|
|
applyIfCPUFeatureOr = {"asimd", "true", "avx", "true", "rvv", "true"})
|
|
public static void testLoadVector() {
|
|
IntVector v1 = IntVector.fromArray(SPECIES, a, 0);
|
|
v1.intoArray(a, SPECIES.length());
|
|
v1.intoArray(a, 2 * SPECIES.length());
|
|
// The second load vector equals to the first one and should be optimized
|
|
// out by "LoadNode::Ideal()".
|
|
IntVector v2 = IntVector.fromArray(SPECIES, a, SPECIES.length());
|
|
v2.intoArray(a, 3 * SPECIES.length());
|
|
}
|
|
|
|
@Check(test = "testLoadVector")
|
|
public static void testLoadVectorVerify() {
|
|
for (int i = SPECIES.length(); i < 4 * SPECIES.length(); i += SPECIES.length()) {
|
|
for (int j = 0; j < SPECIES.length(); j++) {
|
|
Asserts.assertEquals(a[i + j], a[j]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test that "StoreVectorNode::Ideal()" calls "StoreNode::Ideal()" as expected,
|
|
// which can get rid of previous stores that go to the same position.
|
|
@Test
|
|
@IR(counts = { IRNode.STORE_VECTOR, "1" },
|
|
applyIfCPUFeatureOr = {"asimd", "true", "avx", "true", "rvv", "true"})
|
|
public static void testStoreVector() {
|
|
IntVector v1 = IntVector.fromArray(SPECIES, a, 0 * SPECIES.length());
|
|
IntVector v2 = IntVector.fromArray(SPECIES, a, 1 * SPECIES.length());
|
|
// Useless store to same position as below, which should be optimized out by
|
|
// "StoreNode::Ideal()".
|
|
v1.intoArray(a, 3 * SPECIES.length());
|
|
v2.intoArray(a, 3 * SPECIES.length());
|
|
}
|
|
|
|
@Check(test = "testStoreVector")
|
|
public static void testStoreVectorVerify() {
|
|
for (int i = 3 * SPECIES.length(); i < 4 * SPECIES.length(); i++) {
|
|
Asserts.assertEquals(a[i], a[i - 2 * SPECIES.length()]);
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
TestFramework testFramework = new TestFramework();
|
|
testFramework.setDefaultWarmup(10000)
|
|
.addFlags("--add-modules=jdk.incubator.vector")
|
|
.start();
|
|
}
|
|
} |