/// <summary>
/// Gets basic block that defines a value with a
/// particular tag.
/// </summary>
/// <param name="tag">The tag of the value to look for.</param>
/// <returns>The basic block that defines the value.</returns>
public BasicBlockBuilder GetValueParent(ValueTag tag)
{
return(GetBasicBlock(ImmutableGraph.GetValueParent(tag).Tag));
}
