18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.replacements.arraycopy;
  26 
  27 import static jdk.internal.vm.compiler.word.LocationIdentity.any;
  28 
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodes.NamedLocationIdentity;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.spi.Lowerable;
  34 import org.graalvm.compiler.nodes.spi.LoweringTool;
  35 import org.graalvm.compiler.replacements.nodes.BasicArrayCopyNode;
  36 import jdk.internal.vm.compiler.word.LocationIdentity;
  37 
  38 import jdk.vm.ci.meta.JavaKind;
  39 
  40 @NodeInfo
  41 public final class ArrayCopyNode extends BasicArrayCopyNode implements Lowerable {
  42 
  43     public static final NodeClass<ArrayCopyNode> TYPE = NodeClass.create(ArrayCopyNode.class);
  44 
  45     private JavaKind elementKind;
  46 
  47     public ArrayCopyNode(int bci, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length) {




  48         super(TYPE, src, srcPos, dst, dstPos, length, null, bci);
  49         elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);





  50     }
  51 
  52     @Override
  53     public LocationIdentity getLocationIdentity() {
  54         if (elementKind == null) {
  55             elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);
  56         }
  57         if (elementKind != null) {
  58             return NamedLocationIdentity.getArrayLocation(elementKind);
  59         }
  60         return any();
  61     }
  62 
  63     @Override
  64     public void lower(LoweringTool tool) {
  65         tool.getLowerer().lower(this, tool);




  66     }
  67 }

  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.replacements.arraycopy;
  26 
  27 import static jdk.internal.vm.compiler.word.LocationIdentity.any;
  28 
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodes.NamedLocationIdentity;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.spi.Lowerable;
  34 import org.graalvm.compiler.nodes.spi.LoweringTool;
  35 import org.graalvm.compiler.replacements.nodes.BasicArrayCopyNode;
  36 import jdk.internal.vm.compiler.word.LocationIdentity;
  37 


  38 @NodeInfo
  39 public final class ArrayCopyNode extends BasicArrayCopyNode implements Lowerable {
  40 
  41     public static final NodeClass<ArrayCopyNode> TYPE = NodeClass.create(ArrayCopyNode.class);
  42 
  43     protected final boolean forceAnyLocation;
  44 
  45     public ArrayCopyNode(int bci, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length) {
  46         this(bci, src, srcPos, dst, dstPos, length, false);
  47     }
  48 
  49     public ArrayCopyNode(int bci, ValueNode src, ValueNode srcPos, ValueNode dst, ValueNode dstPos, ValueNode length, boolean forceAnyLocation) {
  50         super(TYPE, src, srcPos, dst, dstPos, length, null, bci);
  51         this.forceAnyLocation = forceAnyLocation;
  52         if (!forceAnyLocation) {
  53             elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);
  54         } else {
  55             assert elementKind == null;
  56         }
  57     }
  58 
  59     @Override
  60     public LocationIdentity getLocationIdentity() {
  61         if (!forceAnyLocation && elementKind == null) {
  62             elementKind = ArrayCopySnippets.Templates.selectComponentKind(this);
  63         }
  64         if (elementKind != null) {
  65             return NamedLocationIdentity.getArrayLocation(elementKind);
  66         }
  67         return any();
  68     }
  69 
  70     @Override
  71     public void lower(LoweringTool tool) {
  72         tool.getLowerer().lower(this, tool);
  73     }
  74 
  75     public boolean killsAnyLocation() {
  76         return forceAnyLocation;
  77     }
  78 }