/**
* Unlinks a node from all its control flow neighbors and then removes it from its graph. The node
* must have no {@linkplain Node#usages() usages}.
*
* @param node the node to be unlinked and removed
*/
public void removeFixed(FixedWithNextNode node) {
assert node != null;
if (node instanceof AbstractBeginNode) {
((AbstractBeginNode) node).prepareDelete();
}
assert node.hasNoUsages() : node + " " + node.usages().count() + ", " + node.usages().first();
GraphUtil.unlinkFixedNode(node);
node.safeDelete();
}
