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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package org.graalvm.compiler.lir;

import jdk.vm.ci.code.StackSlot;
import jdk.vm.ci.meta.AllocatableValue;
import jdk.vm.ci.meta.ValueKind;

VirtualStackSlots are stack slots that are not yet fixed to specific frame offset. They are replaced by real StackSlots with a fixed position in the frame before code emission.
/** * {@link VirtualStackSlot}s are stack slots that are not yet fixed to specific frame offset. They * are replaced by real {@link StackSlot}s with a fixed position in the frame before code emission. */
public abstract class VirtualStackSlot extends AllocatableValue { private final int id; public VirtualStackSlot(int id, ValueKind<?> kind) { super(kind); this.id = id; } public int getId() { return id; } @Override public String toString() { return "vstack:" + id + getKindSuffix(); } @Override public int hashCode() { final int prime = 31; int result = super.hashCode(); result = prime * result + id; return result; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!super.equals(obj)) { return false; } if (getClass() != obj.getClass()) { return false; } VirtualStackSlot other = (VirtualStackSlot) obj; if (id != other.id) { return false; } return true; } }