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/*
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* Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2017, Red Hat Inc. 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 org.graalvm.compiler.lir.jtt;
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import org.junit.Before;
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import org.junit.Test;
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import org.graalvm.compiler.core.common.LIRKind;
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import org.graalvm.compiler.lir.Variable;
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import org.graalvm.compiler.lir.VirtualStackSlot;
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import org.graalvm.compiler.lir.framemap.FrameMapBuilder;
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import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
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import jdk.vm.ci.meta.JavaKind;
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import jdk.vm.ci.meta.PlatformKind;
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import jdk.vm.ci.meta.Value;
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import jdk.vm.ci.meta.ValueKind;
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public class StackStoreLoadTest extends LIRTest {
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private static PlatformKind byteKind;
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private static PlatformKind shortKind;
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@Before
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public void setUp() {
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byteKind = getBackend().getTarget().arch.getPlatformKind(JavaKind.Byte);
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shortKind = getBackend().getTarget().arch.getPlatformKind(JavaKind.Short);
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}
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private static class StackStoreLoadSpec extends LIRTestSpecification {
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@Override
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public void generate(LIRGeneratorTool gen, Value a) {
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FrameMapBuilder frameMapBuilder = gen.getResult().getFrameMapBuilder();
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ValueKind<?> valueKind = getValueKind(a);
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// create slots
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VirtualStackSlot s1 = frameMapBuilder.allocateSpillSlot(valueKind);
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VirtualStackSlot s2 = frameMapBuilder.allocateSpillSlot(valueKind);
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VirtualStackSlot s3 = frameMapBuilder.allocateSpillSlot(valueKind);
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// start emit
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gen.emitMove(s1, a);
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gen.emitMove(s2, a);
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gen.emitMove(s3, a);
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gen.append(gen.getSpillMoveFactory().createStackMove(s1, s3));
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Variable result = gen.emitMove(s2);
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Value slot1 = gen.emitMove(s1);
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Value slot3 = gen.emitMove(s3);
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// end emit
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// set output and result
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setResult(result);
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setOutput("slot1", slot1);
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setOutput("slot3", slot3);
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}
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protected ValueKind<?> getValueKind(Value value) {
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return value.getValueKind();
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}
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}
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/*
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* short
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*/
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private static final LIRTestSpecification shortStackCopy = new StackStoreLoadSpec() {
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@Override
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protected ValueKind<?> getValueKind(Value value) {
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return LIRKind.value(shortKind);
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}
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};
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@SuppressWarnings("unused")
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@LIRIntrinsic
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public static short copyShort(LIRTestSpecification spec, short a) {
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return a;
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}
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public short[] testShort(short a, short[] out) {
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out[0] = copyShort(shortStackCopy, a);
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out[1] = getOutput(shortStackCopy, "slot1", a);
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out[2] = getOutput(shortStackCopy, "slot3", a);
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return out;
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}
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@Test
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public void runShort() throws Throwable {
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runTest("testShort", Short.MIN_VALUE, supply(() -> new short[3]));
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runTest("testShort", (short) -1, supply(() -> new short[3]));
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runTest("testShort", (short) 0, supply(() -> new short[3]));
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runTest("testShort", (short) 1, supply(() -> new short[3]));
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runTest("testShort", Short.MAX_VALUE, supply(() -> new short[3]));
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}
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/*
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* byte
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*/
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private static final LIRTestSpecification byteStackCopy = new StackStoreLoadSpec() {
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@Override
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protected ValueKind<?> getValueKind(Value value) {
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return LIRKind.value(byteKind);
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}
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};
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@SuppressWarnings("unused")
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@LIRIntrinsic
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public static byte copyByte(LIRTestSpecification spec, byte a) {
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return a;
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}
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public byte[] testByte(byte a, byte[] out) {
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out[0] = copyByte(byteStackCopy, a);
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out[1] = getOutput(byteStackCopy, "slot1", a);
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out[2] = getOutput(byteStackCopy, "slot3", a);
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return out;
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}
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@Test
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public void runByte() {
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runTest("testByte", Byte.MIN_VALUE, supply(() -> new byte[3]));
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runTest("testByte", (byte) -1, supply(() -> new byte[3]));
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runTest("testByte", (byte) 0, supply(() -> new byte[3]));
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runTest("testByte", (byte) 1, supply(() -> new byte[3]));
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runTest("testByte", Byte.MAX_VALUE, supply(() -> new byte[3]));
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}
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}
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