--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/PointerTest.java 2017-02-15 17:08:53.620541933 -0800 @@ -0,0 +1,466 @@ +/* + * 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 + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.replacements.test; + +import org.junit.Assert; +import org.junit.Test; + +import org.graalvm.compiler.api.replacements.Snippet; +import org.graalvm.compiler.core.common.CompilationIdentifier; +import org.graalvm.compiler.core.common.LocationIdentity; +import org.graalvm.compiler.core.test.GraalCompilerTest; +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.phases.OptimisticOptimizations; +import org.graalvm.compiler.phases.common.CanonicalizerPhase; +import org.graalvm.compiler.phases.tiers.HighTierContext; +import org.graalvm.compiler.replacements.ReplacementsImpl; +import org.graalvm.compiler.replacements.Snippets; +import org.graalvm.compiler.word.Pointer; +import org.graalvm.compiler.word.Word; +import org.graalvm.compiler.word.nodes.WordCastNode; + +import jdk.vm.ci.code.BytecodeFrame; +import jdk.vm.ci.code.TargetDescription; +import jdk.vm.ci.meta.JavaKind; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +/** + * Tests for the {@link Pointer} read and write operations. + */ +public class PointerTest extends GraalCompilerTest implements Snippets { + + private static final LocationIdentity ID = NamedLocationIdentity.mutable("ID"); + private static final JavaKind[] KINDS = new JavaKind[]{JavaKind.Byte, JavaKind.Char, JavaKind.Short, JavaKind.Int, JavaKind.Long, JavaKind.Float, JavaKind.Double, JavaKind.Object}; + private final TargetDescription target; + private final ReplacementsImpl installer; + + public PointerTest() { + target = getCodeCache().getTarget(); + installer = (ReplacementsImpl) getProviders().getReplacements(); + } + + @Override + protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId) { + return installer.makeGraph(m, null, null); + } + + @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 void assertRead(StructuredGraph graph, JavaKind kind, boolean indexConvert, LocationIdentity locationIdentity) { + WordCastNode cast = (WordCastNode) graph.start().next(); + + JavaReadNode read = (JavaReadNode) cast.next(); + Assert.assertEquals(kind.getStackKind(), read.stamp().getStackKind()); + + OffsetAddressNode address = (OffsetAddressNode) read.getAddress(); + Assert.assertEquals(cast, address.getBase()); + Assert.assertEquals(graph.getParameter(0), cast.getInput()); + Assert.assertEquals(target.wordJavaKind, cast.stamp().getStackKind()); + + 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 void assertWrite(StructuredGraph graph, boolean indexConvert, LocationIdentity locationIdentity) { + WordCastNode cast = (WordCastNode) graph.start().next(); + + JavaWriteNode write = (JavaWriteNode) cast.next(); + Assert.assertEquals(graph.getParameter(2), write.value()); + Assert.assertEquals(BytecodeFrame.AFTER_BCI, write.stateAfter().bci); + + OffsetAddressNode address = (OffsetAddressNode) write.getAddress(); + Assert.assertEquals(cast, address.getBase()); + Assert.assertEquals(graph.getParameter(0), cast.getInput()); + Assert.assertEquals(target.wordJavaKind, cast.stamp().getStackKind()); + + 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 Word.objectToTrackedPointer(o).readByte(offset, ID); + } + + @Snippet + public static byte readByte2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readByte(Word.signed(offset), ID); + } + + @Snippet + public static byte readByte3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readByte(offset); + } + + @Snippet + public static void writeByte1(Object o, int offset, byte value) { + Word.objectToTrackedPointer(o).writeByte(offset, value, ID); + } + + @Snippet + public static void writeByte2(Object o, int offset, byte value) { + Word.objectToTrackedPointer(o).writeByte(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeByte3(Object o, int offset, byte value) { + Word.objectToTrackedPointer(o).writeByte(offset, value); + } + + @Snippet + public static char readChar1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readChar(offset, ID); + } + + @Snippet + public static char readChar2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readChar(Word.signed(offset), ID); + } + + @Snippet + public static char readChar3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readChar(offset); + } + + @Snippet + public static void writeChar1(Object o, int offset, char value) { + Word.objectToTrackedPointer(o).writeChar(offset, value, ID); + } + + @Snippet + public static void writeChar2(Object o, int offset, char value) { + Word.objectToTrackedPointer(o).writeChar(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeChar3(Object o, int offset, char value) { + Word.objectToTrackedPointer(o).writeChar(offset, value); + } + + @Snippet + public static short readShort1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readShort(offset, ID); + } + + @Snippet + public static short readShort2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readShort(Word.signed(offset), ID); + } + + @Snippet + public static short readShort3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readShort(offset); + } + + @Snippet + public static void writeShort1(Object o, int offset, short value) { + Word.objectToTrackedPointer(o).writeShort(offset, value, ID); + } + + @Snippet + public static void writeShort2(Object o, int offset, short value) { + Word.objectToTrackedPointer(o).writeShort(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeShort3(Object o, int offset, short value) { + Word.objectToTrackedPointer(o).writeShort(offset, value); + } + + @Snippet + public static int readInt1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readInt(offset, ID); + } + + @Snippet + public static int readInt2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readInt(Word.signed(offset), ID); + } + + @Snippet + public static int readInt3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readInt(offset); + } + + @Snippet + public static void writeInt1(Object o, int offset, int value) { + Word.objectToTrackedPointer(o).writeInt(offset, value, ID); + } + + @Snippet + public static void writeInt2(Object o, int offset, int value) { + Word.objectToTrackedPointer(o).writeInt(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeInt3(Object o, int offset, int value) { + Word.objectToTrackedPointer(o).writeInt(offset, value); + } + + @Snippet + public static long readLong1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readLong(offset, ID); + } + + @Snippet + public static long readLong2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readLong(Word.signed(offset), ID); + } + + @Snippet + public static long readLong3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readLong(offset); + } + + @Snippet + public static void writeLong1(Object o, int offset, long value) { + Word.objectToTrackedPointer(o).writeLong(offset, value, ID); + } + + @Snippet + public static void writeLong2(Object o, int offset, long value) { + Word.objectToTrackedPointer(o).writeLong(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeLong3(Object o, int offset, long value) { + Word.objectToTrackedPointer(o).writeLong(offset, value); + } + + @Snippet + public static float readFloat1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readFloat(offset, ID); + } + + @Snippet + public static float readFloat2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readFloat(Word.signed(offset), ID); + } + + @Snippet + public static float readFloat3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readFloat(offset); + } + + @Snippet + public static void writeFloat1(Object o, int offset, float value) { + Word.objectToTrackedPointer(o).writeFloat(offset, value, ID); + } + + @Snippet + public static void writeFloat2(Object o, int offset, float value) { + Word.objectToTrackedPointer(o).writeFloat(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeFloat3(Object o, int offset, float value) { + Word.objectToTrackedPointer(o).writeFloat(offset, value); + } + + @Snippet + public static double readDouble1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readDouble(offset, ID); + } + + @Snippet + public static double readDouble2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readDouble(Word.signed(offset), ID); + } + + @Snippet + public static double readDouble3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readDouble(offset); + } + + @Snippet + public static void writeDouble1(Object o, int offset, double value) { + Word.objectToTrackedPointer(o).writeDouble(offset, value, ID); + } + + @Snippet + public static void writeDouble2(Object o, int offset, double value) { + Word.objectToTrackedPointer(o).writeDouble(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeDouble3(Object o, int offset, double value) { + Word.objectToTrackedPointer(o).writeDouble(offset, value); + } + + @Snippet + public static Object readObject1(Object o, int offset) { + return Word.objectToTrackedPointer(o).readObject(offset, ID); + } + + @Snippet + public static Object readObject2(Object o, int offset) { + return Word.objectToTrackedPointer(o).readObject(Word.signed(offset), ID); + } + + @Snippet + public static Object readObject3(Object o, int offset) { + return Word.objectToTrackedPointer(o).readObject(offset); + } + + @Snippet + public static void writeObject1(Object o, int offset, Object value) { + Word.objectToTrackedPointer(o).writeObject(offset, value, ID); + } + + @Snippet + public static void writeObject2(Object o, int offset, Object value) { + Word.objectToTrackedPointer(o).writeObject(Word.signed(offset), value, ID); + } + + @Snippet + public static void writeObject3(Object o, int offset, Object value) { + Word.objectToTrackedPointer(o).writeObject(offset, value); + } + + private void assertNumWordCasts(String snippetName, int expectedWordCasts) { + HighTierContext context = new HighTierContext(getProviders(), null, OptimisticOptimizations.ALL); + + StructuredGraph graph = parseEager(snippetName, AllowAssumptions.YES); + new CanonicalizerPhase().apply(graph, context); + Assert.assertEquals(expectedWordCasts, graph.getNodes().filter(WordCastNode.class).count()); + } + + @Test + public void testUnusedFromObject() { + assertNumWordCasts("unusedFromObject", 0); + } + + @Snippet + public static void unusedFromObject(Object o) { + Word.objectToTrackedPointer(o); + } + + @Test + public void testUnusedRawValue() { + assertNumWordCasts("unusedRawValue", 0); + } + + @Snippet + public static void unusedRawValue(Object o) { + Word.objectToTrackedPointer(o).rawValue(); + } + + @Test + public void testUsedRawValue() { + assertNumWordCasts("usedRawValue", 1); + } + + @Snippet + public static long usedRawValue(Object o) { + return Word.objectToTrackedPointer(o).rawValue(); + } + + @Test + public void testUnusedToObject() { + assertNumWordCasts("unusedToObject", 0); + } + + @Snippet + public static void unusedToObject(Word w) { + w.toObject(); + } + + @Test + public void testUsedToObject() { + assertNumWordCasts("usedToObject", 1); + } + + @Snippet + public static Object usedToObject(Word w) { + return w.toObject(); + } +}