/*
* Copyright (c) 2013, 2016, 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
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*/
package org.graalvm.compiler.replacements.test;
import org.graalvm.compiler.api.replacements.Snippet;
import org.graalvm.compiler.core.common.LocationIdentity;
import org.graalvm.compiler.nodes.NamedLocationIdentity;
import org.graalvm.compiler.nodes.ReturnNode;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
import org.graalvm.compiler.nodes.calc.SignExtendNode;
import org.graalvm.compiler.nodes.extended.JavaReadNode;
import org.graalvm.compiler.nodes.extended.JavaWriteNode;
import org.graalvm.compiler.nodes.memory.address.OffsetAddressNode;
import org.graalvm.compiler.word.ObjectAccess;
import org.graalvm.compiler.word.Pointer;
import org.graalvm.compiler.word.Word;
import org.junit.Assert;
import org.junit.Test;
import jdk.vm.ci.code.BytecodeFrame;
import jdk.vm.ci.meta.JavaKind;
/**
* Tests for the {@link Pointer} read and write operations.
*/
public class ObjectAccessTest extends SnippetsTest {
private static final LocationIdentity ID = NamedLocationIdentity.mutable("ObjectAccessTestID");
private static final JavaKind[] KINDS = new JavaKind[]{JavaKind.Byte, JavaKind.Char, JavaKind.Short, JavaKind.Int, JavaKind.Long, JavaKind.Float, JavaKind.Double, JavaKind.Object};
@Test
public void testRead1() {
for (JavaKind kind : KINDS) {
assertRead(parseEager("read" + kind.name() + "1", AllowAssumptions.YES), kind, true, ID);
}
}
@Test
public void testRead2() {
for (JavaKind kind : KINDS) {
assertRead(parseEager("read" + kind.name() + "2", AllowAssumptions.YES), kind, true, ID);
}
}
@Test
public void testRead3() {
for (JavaKind kind : KINDS) {
assertRead(parseEager("read" + kind.name() + "3", AllowAssumptions.YES), kind, true, LocationIdentity.any());
}
}
@Test
public void testWrite1() {
for (JavaKind kind : KINDS) {
assertWrite(parseEager("write" + kind.name() + "1", AllowAssumptions.YES), true, ID);
}
}
@Test
public void testWrite2() {
for (JavaKind kind : KINDS) {
assertWrite(parseEager("write" + kind.name() + "2", AllowAssumptions.YES), true, ID);
}
}
@Test
public void testWrite3() {
for (JavaKind kind : KINDS) {
assertWrite(parseEager("write" + kind.name() + "3", AllowAssumptions.YES), true, LocationIdentity.any());
}
}
private static void assertRead(StructuredGraph graph, JavaKind kind, boolean indexConvert, LocationIdentity locationIdentity) {
JavaReadNode read = (JavaReadNode) graph.start().next();
Assert.assertEquals(kind.getStackKind(), read.stamp().getStackKind());
OffsetAddressNode address = (OffsetAddressNode) read.getAddress();
Assert.assertEquals(graph.getParameter(0), address.getBase());
Assert.assertEquals(locationIdentity, read.getLocationIdentity());
if (indexConvert) {
SignExtendNode convert = (SignExtendNode) address.getOffset();
Assert.assertEquals(convert.getInputBits(), 32);
Assert.assertEquals(convert.getResultBits(), 64);
Assert.assertEquals(graph.getParameter(1), convert.getValue());
} else {
Assert.assertEquals(graph.getParameter(1), address.getOffset());
}
ReturnNode ret = (ReturnNode) read.next();
Assert.assertEquals(read, ret.result());
}
private static void assertWrite(StructuredGraph graph, boolean indexConvert, LocationIdentity locationIdentity) {
JavaWriteNode write = (JavaWriteNode) graph.start().next();
Assert.assertEquals(graph.getParameter(2), write.value());
OffsetAddressNode address = (OffsetAddressNode) write.getAddress();
Assert.assertEquals(graph.getParameter(0), address.getBase());
Assert.assertEquals(BytecodeFrame.AFTER_BCI, write.stateAfter().bci);
Assert.assertEquals(locationIdentity, write.getLocationIdentity());
if (indexConvert) {
SignExtendNode convert = (SignExtendNode) address.getOffset();
Assert.assertEquals(convert.getInputBits(), 32);
Assert.assertEquals(convert.getResultBits(), 64);
Assert.assertEquals(graph.getParameter(1), convert.getValue());
} else {
Assert.assertEquals(graph.getParameter(1), address.getOffset());
}
ReturnNode ret = (ReturnNode) write.next();
Assert.assertEquals(null, ret.result());
}
@Snippet
public static byte readByte1(Object o, int offset) {
return ObjectAccess.readByte(o, offset, ID);
}
@Snippet
public static byte readByte2(Object o, int offset) {
return ObjectAccess.readByte(o, Word.signed(offset), ID);
}
@Snippet
public static byte readByte3(Object o, int offset) {
return ObjectAccess.readByte(o, offset);
}
@Snippet
public static void writeByte1(Object o, int offset, byte value) {
ObjectAccess.writeByte(o, offset, value, ID);
}
@Snippet
public static void writeByte2(Object o, int offset, byte value) {
ObjectAccess.writeByte(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeByte3(Object o, int offset, byte value) {
ObjectAccess.writeByte(o, offset, value);
}
@Snippet
public static char readChar1(Object o, int offset) {
return ObjectAccess.readChar(o, offset, ID);
}
@Snippet
public static char readChar2(Object o, int offset) {
return ObjectAccess.readChar(o, Word.signed(offset), ID);
}
@Snippet
public static char readChar3(Object o, int offset) {
return ObjectAccess.readChar(o, offset);
}
@Snippet
public static void writeChar1(Object o, int offset, char value) {
ObjectAccess.writeChar(o, offset, value, ID);
}
@Snippet
public static void writeChar2(Object o, int offset, char value) {
ObjectAccess.writeChar(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeChar3(Object o, int offset, char value) {
ObjectAccess.writeChar(o, offset, value);
}
@Snippet
public static short readShort1(Object o, int offset) {
return ObjectAccess.readShort(o, offset, ID);
}
@Snippet
public static short readShort2(Object o, int offset) {
return ObjectAccess.readShort(o, Word.signed(offset), ID);
}
@Snippet
public static short readShort3(Object o, int offset) {
return ObjectAccess.readShort(o, offset);
}
@Snippet
public static void writeShort1(Object o, int offset, short value) {
ObjectAccess.writeShort(o, offset, value, ID);
}
@Snippet
public static void writeShort2(Object o, int offset, short value) {
ObjectAccess.writeShort(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeShort3(Object o, int offset, short value) {
ObjectAccess.writeShort(o, offset, value);
}
@Snippet
public static int readInt1(Object o, int offset) {
return ObjectAccess.readInt(o, offset, ID);
}
@Snippet
public static int readInt2(Object o, int offset) {
return ObjectAccess.readInt(o, Word.signed(offset), ID);
}
@Snippet
public static int readInt3(Object o, int offset) {
return ObjectAccess.readInt(o, offset);
}
@Snippet
public static void writeInt1(Object o, int offset, int value) {
ObjectAccess.writeInt(o, offset, value, ID);
}
@Snippet
public static void writeInt2(Object o, int offset, int value) {
ObjectAccess.writeInt(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeInt3(Object o, int offset, int value) {
ObjectAccess.writeInt(o, offset, value);
}
@Snippet
public static long readLong1(Object o, int offset) {
return ObjectAccess.readLong(o, offset, ID);
}
@Snippet
public static long readLong2(Object o, int offset) {
return ObjectAccess.readLong(o, Word.signed(offset), ID);
}
@Snippet
public static long readLong3(Object o, int offset) {
return ObjectAccess.readLong(o, offset);
}
@Snippet
public static void writeLong1(Object o, int offset, long value) {
ObjectAccess.writeLong(o, offset, value, ID);
}
@Snippet
public static void writeLong2(Object o, int offset, long value) {
ObjectAccess.writeLong(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeLong3(Object o, int offset, long value) {
ObjectAccess.writeLong(o, offset, value);
}
@Snippet
public static float readFloat1(Object o, int offset) {
return ObjectAccess.readFloat(o, offset, ID);
}
@Snippet
public static float readFloat2(Object o, int offset) {
return ObjectAccess.readFloat(o, Word.signed(offset), ID);
}
@Snippet
public static float readFloat3(Object o, int offset) {
return ObjectAccess.readFloat(o, offset);
}
@Snippet
public static void writeFloat1(Object o, int offset, float value) {
ObjectAccess.writeFloat(o, offset, value, ID);
}
@Snippet
public static void writeFloat2(Object o, int offset, float value) {
ObjectAccess.writeFloat(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeFloat3(Object o, int offset, float value) {
ObjectAccess.writeFloat(o, offset, value);
}
@Snippet
public static double readDouble1(Object o, int offset) {
return ObjectAccess.readDouble(o, offset, ID);
}
@Snippet
public static double readDouble2(Object o, int offset) {
return ObjectAccess.readDouble(o, Word.signed(offset), ID);
}
@Snippet
public static double readDouble3(Object o, int offset) {
return ObjectAccess.readDouble(o, offset);
}
@Snippet
public static void writeDouble1(Object o, int offset, double value) {
ObjectAccess.writeDouble(o, offset, value, ID);
}
@Snippet
public static void writeDouble2(Object o, int offset, double value) {
ObjectAccess.writeDouble(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeDouble3(Object o, int offset, double value) {
ObjectAccess.writeDouble(o, offset, value);
}
@Snippet
public static Object readObject1(Object o, int offset) {
return ObjectAccess.readObject(o, offset, ID);
}
@Snippet
public static Object readObject2(Object o, int offset) {
return ObjectAccess.readObject(o, Word.signed(offset), ID);
}
@Snippet
public static Object readObject3(Object o, int offset) {
return ObjectAccess.readObject(o, offset);
}
@Snippet
public static void writeObject1(Object o, int offset, Object value) {
ObjectAccess.writeObject(o, offset, value, ID);
}
@Snippet
public static void writeObject2(Object o, int offset, Object value) {
ObjectAccess.writeObject(o, Word.signed(offset), value, ID);
}
@Snippet
public static void writeObject3(Object o, int offset, Object value) {
ObjectAccess.writeObject(o, offset, value);
}
}