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package org.graalvm.compiler.nodes.spi;

This interface allows a node to convey information about what its effect would be if some of its inputs were virtualized. The virtualize(VirtualizerTool) method will only be called for nodes that have some interaction with virtualized nodes. However, the virtualized nodes might have been re-materialized in the meantime. /**
 * This interface allows a node to convey information about what its effect would be if some of its
 * inputs were virtualized. The {@link #virtualize(VirtualizerTool)} method will only be called for
 * nodes that have some interaction with virtualized nodes. However, the virtualized nodes might
 * have been re-materialized in the meantime.
 */
public interface Virtualizable {

    
A node class can implement this method to convey information about what its effect would be
if some of its inputs were virtualized. All modifications must be made through the supplied
tool, and not directly on the node, because by the time this method is called the
virtualized/non-virtualized state is still speculative and might not hold because of loops,
etc.
Params:
tool – the tool used to describe the effects of this node/**
     * A node class can implement this method to convey information about what its effect would be
     * if some of its inputs were virtualized. All modifications must be made through the supplied
     * tool, and not directly on the node, because by the time this method is called the
     * virtualized/non-virtualized state is still speculative and might not hold because of loops,
     * etc.
     *
     * @param tool the tool used to describe the effects of this node
     */
    void virtualize(VirtualizerTool tool);
}