[GR-31114] Remove SubstrateArraysCopyOfSnippets.

PullRequest: graal/9291

compiler/src/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/UnreachableBeginNode.java

@@ -28,25 +28,19 @@
 import org.graalvm.compiler.nodeinfo.NodeCycles;
 import org.graalvm.compiler.nodeinfo.NodeInfo;
 import org.graalvm.compiler.nodeinfo.NodeSize;
-import org.graalvm.compiler.nodes.memory.SingleMemoryKill;
-import org.graalvm.word.LocationIdentity;
 
 /**
  * Allows to build control flow structures that are syntactically correct (can be processed by all
  * Graal phases) but known to be unreachable, i.e., known to be removed at a later point in the
  * compilation pipeline. Useful together with {@link UnreachableControlSinkNode}.
  */
 @NodeInfo(cycles = NodeCycles.CYCLES_IGNORED, size = NodeSize.SIZE_IGNORED)
-public final class UnreachableBeginNode extends AbstractBeginNode implements SingleMemoryKill {
+public final class UnreachableBeginNode extends AbstractBeginNode {
 
     public static final NodeClass<UnreachableBeginNode> TYPE = NodeClass.create(UnreachableBeginNode.class);
 
     public UnreachableBeginNode() {
         super(TYPE);
     }
 
-    @Override
-    public LocationIdentity getKilledLocationIdentity() {
-        return LocationIdentity.any();
-    }
 }

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/graal/jdk/JDKIntrinsicsFeature.java

@@ -54,7 +54,6 @@ final class JDKIntrinsicsFeature implements GraalFeature {
     public void registerForeignCalls(RuntimeConfiguration runtimeConfig, Providers providers, SnippetReflectionProvider snippetReflection, SubstrateForeignCallsProvider foreignCalls, boolean hosted) {
         ArraycopySnippets.registerForeignCalls(providers, foreignCalls);
         SubstrateObjectCloneSnippets.registerForeignCalls(providers, foreignCalls);
-        SubstrateArraysCopyOfSnippets.registerForeignCalls(providers, foreignCalls);
     }
 
     @Override
@@ -64,7 +63,6 @@ public void registerLowerings(RuntimeConfiguration runtimeConfig, OptionValues o
                     Map<Class<? extends Node>, NodeLoweringProvider<?>> lowerings, boolean hosted) {
         new ArraycopySnippets(options, factories, providers, snippetReflection, lowerings);
         SubstrateObjectCloneSnippets.registerLowerings(options, factories, providers, snippetReflection, lowerings);
-        SubstrateArraysCopyOfSnippets.registerLowerings(options, factories, providers, snippetReflection, lowerings);
     }
 
     @Override