src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/ArrayRegionEqualsNode.java
8234541: C1 emits an empty message when it inlines successfully
Summary: Use "inline" as the message when successfull
Reviewed-by: thartmann, mdoerr
Contributed-by: navy.xliu@gmail.com
/*
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* 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.nodes;
import static org.graalvm.compiler.core.common.GraalOptions.UseGraalStubs;
import static org.graalvm.compiler.nodeinfo.InputType.Memory;
import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
import org.graalvm.compiler.core.common.type.StampFactory;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.NodeCycles;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodeinfo.NodeSize;
import org.graalvm.compiler.nodes.FixedWithNextNode;
import org.graalvm.compiler.nodes.NamedLocationIdentity;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.ValueNodeUtil;
import org.graalvm.compiler.nodes.memory.MemoryAccess;
import org.graalvm.compiler.nodes.memory.MemoryNode;
import org.graalvm.compiler.nodes.spi.LIRLowerable;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
import jdk.internal.vm.compiler.word.LocationIdentity;
import jdk.internal.vm.compiler.word.Pointer;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.Value;
// JaCoCo Exclude
/**
* Compares two array regions with a given length.
*/
@NodeInfo(cycles = NodeCycles.CYCLES_UNKNOWN, size = NodeSize.SIZE_128)
public final class ArrayRegionEqualsNode extends FixedWithNextNode implements LIRLowerable, MemoryAccess {
public static final NodeClass<ArrayRegionEqualsNode> TYPE = NodeClass.create(ArrayRegionEqualsNode.class);
/** {@link JavaKind} of the arrays to compare. */
private final JavaKind kind1;
private final JavaKind kind2;
/** Pointer to first array region to be tested for equality. */
@Input private ValueNode array1;
/** Pointer to second array region to be tested for equality. */
@Input private ValueNode array2;
/** Length of the array region. */
@Input private ValueNode length;
@OptionalInput(Memory) private MemoryNode lastLocationAccess;
public ArrayRegionEqualsNode(ValueNode array1, ValueNode array2, ValueNode length, @ConstantNodeParameter JavaKind kind1, @ConstantNodeParameter JavaKind kind2) {
super(TYPE, StampFactory.forKind(JavaKind.Boolean));
this.kind1 = kind1;
this.kind2 = kind2;
this.array1 = array1;
this.array2 = array2;
this.length = length;
}
public static boolean regionEquals(Pointer array1, Pointer array2, int length, @ConstantNodeParameter JavaKind kind) {
return regionEquals(array1, array2, length, kind, kind);
}
@NodeIntrinsic
public static native boolean regionEquals(Pointer array1, Pointer array2, int length, @ConstantNodeParameter JavaKind kind1, @ConstantNodeParameter JavaKind kind2);
public JavaKind getKind1() {
return kind1;
}
public JavaKind getKind2() {
return kind2;
}
public ValueNode getLength() {
return length;
}
@Override
public void generate(NodeLIRBuilderTool gen) {
if (UseGraalStubs.getValue(graph().getOptions())) {
ForeignCallLinkage linkage = gen.lookupGraalStub(this);
if (linkage != null) {
Value result = gen.getLIRGeneratorTool().emitForeignCall(linkage, null, gen.operand(array1), gen.operand(array2), gen.operand(length));
gen.setResult(this, result);
return;
}
}
Value result;
if (kind1 == kind2) {
result = gen.getLIRGeneratorTool().emitArrayEquals(kind1, gen.operand(array1), gen.operand(array2), gen.operand(length), true);
} else {
result = gen.getLIRGeneratorTool().emitArrayEquals(kind1, kind2, gen.operand(array1), gen.operand(array2), gen.operand(length), true);
}
gen.setResult(this, result);
}
@Override
public LocationIdentity getLocationIdentity() {
return kind1 != kind2 ? LocationIdentity.ANY_LOCATION : NamedLocationIdentity.getArrayLocation(kind1);
}
@Override
public MemoryNode getLastLocationAccess() {
return lastLocationAccess;
}
@Override
public void setLastLocationAccess(MemoryNode lla) {
updateUsages(ValueNodeUtil.asNode(lastLocationAccess), ValueNodeUtil.asNode(lla));
lastLocationAccess = lla;
}
}