312 lines
8.4 KiB
Java
312 lines
8.4 KiB
Java
/*
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* Copyright Amazon.com Inc. 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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package compiler.c2.irTests;
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import compiler.lib.ir_framework.*;
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/*
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* @test
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* @bug 8300148
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* @summary Test barriers emitted in constructors
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* @library /test/lib /
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* @requires os.arch=="aarch64" | os.arch=="riscv64" | os.arch=="x86_64" | os.arch=="amd64"
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* @run main compiler.c2.irTests.ConstructorBarriers
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*/
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public class ConstructorBarriers {
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public static void main(String[] args) {
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TestFramework.run();
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}
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// Checks the barrier coalescing/optimization around field initializations.
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// Uses long fields to avoid store merging.
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public static class PlainPlain {
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long f1;
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long f2;
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public PlainPlain(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class FinalPlain {
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final long f1;
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long f2;
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public FinalPlain(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class PlainFinal {
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long f1;
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final long f2;
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public PlainFinal(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class FinalFinal {
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final long f1;
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final long f2;
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public FinalFinal(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class PlainVolatile {
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long f1;
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volatile long f2;
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public PlainVolatile(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class VolatilePlain {
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volatile long f1;
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long f2;
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public VolatilePlain(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class FinalVolatile {
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final long f1;
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volatile long f2;
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public FinalVolatile(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class VolatileFinal {
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volatile long f1;
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final long f2;
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public VolatileFinal(long i) {
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f1 = i;
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f2 = i;
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}
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}
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private static class VolatileVolatile {
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volatile long f1;
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volatile long f2;
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public VolatileVolatile(long i) {
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f1 = i;
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f2 = i;
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}
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}
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long l = 42;
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@DontInline
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public void consume(Object o) {}
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@Test
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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public long escaping_plainPlain() {
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PlainPlain c = new PlainPlain(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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public long escaping_plainFinal() {
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PlainFinal c = new PlainFinal(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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public long escaping_finalPlain() {
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FinalPlain c = new FinalPlain(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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public long escaping_finalFinal() {
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FinalFinal c = new FinalFinal(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_RELEASE, "1"})
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(counts = {IRNode.MEMBAR_VOLATILE, "1"})
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public long escaping_plainVolatile() {
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PlainVolatile c = new PlainVolatile(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_RELEASE, "1"})
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(counts = {IRNode.MEMBAR_VOLATILE, "1"})
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public long escaping_volatilePlain() {
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VolatilePlain c = new VolatilePlain(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_RELEASE, "2"})
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(counts = {IRNode.MEMBAR_VOLATILE, "2"})
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public long escaping_volatileVolatile() {
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VolatileVolatile c = new VolatileVolatile(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_RELEASE, "1"})
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(counts = {IRNode.MEMBAR_VOLATILE, "1"})
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public long escaping_finalVolatile() {
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FinalVolatile c = new FinalVolatile(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(counts = {IRNode.MEMBAR_RELEASE, "1"})
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "1"})
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@IR(counts = {IRNode.MEMBAR_VOLATILE, "1"})
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public long escaping_volatileFinal() {
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VolatileFinal c = new VolatileFinal(l);
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consume(c);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR)
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public long non_escaping_plainPlain() {
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PlainPlain c = new PlainPlain(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR)
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public long non_escaping_plainFinal() {
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PlainFinal c = new PlainFinal(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR)
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public long non_escaping_finalPlain() {
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FinalPlain c = new FinalPlain(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR)
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public long non_escaping_finalFinal() {
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FinalFinal c = new FinalFinal(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_STORESTORE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_ACQUIRE, "1"})
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public long non_escaping_plainVolatile() {
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PlainVolatile c = new PlainVolatile(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_STORESTORE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_ACQUIRE, "1"})
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public long non_escaping_volatilePlain() {
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VolatilePlain c = new VolatilePlain(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_STORESTORE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_ACQUIRE, "2"})
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public long non_escaping_volatileVolatile() {
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VolatileVolatile c = new VolatileVolatile(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_STORESTORE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_ACQUIRE, "1"})
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public long non_escaping_finalVolatile() {
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FinalVolatile c = new FinalVolatile(l);
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return c.f1 + c.f2;
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}
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@Test
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_STORESTORE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_ACQUIRE, "1"})
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public long non_escaping_volatileFinal() {
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VolatileFinal c = new VolatileFinal(l);
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return c.f1 + c.f2;
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}
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@Setup
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Object[] stringBuilderSetup() {
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return new Object[] { "foo", "bar", "baz" };
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}
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@Test
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@Arguments(setup = "stringBuilderSetup")
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@IR(failOn = IRNode.MEMBAR_RELEASE)
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@IR(failOn = IRNode.MEMBAR_VOLATILE)
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@IR(counts = {IRNode.MEMBAR_STORESTORE, "3"})
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public String stringBuilder(String s1, String s2, String s3) {
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return new StringBuilder().append(s1).append(s2).append(s3).toString();
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}
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}
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