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%% -*- erlang-indent-level: 2 -*-
%% $Id$
-module(hipe_node_sets).
-export([new/0,
spilled/1,
colored/1,
add_spilled/2,
add_colored/2
]).
-record(node_sets,
{spilled, % Nodes marked for spilling
colored % Nodes succesfully colored
}).
spilled(Node_sets) -> Node_sets#node_sets.spilled.
colored(Node_sets) -> Node_sets#node_sets.colored.
set_spilled(Spilled, Node_sets) -> Node_sets#node_sets{spilled = Spilled}.
set_colored(Colored, Node_sets) -> Node_sets#node_sets{colored = Colored}.
new() ->
#node_sets{spilled = [], colored = []}.
add_spilled(Node, Node_sets) ->
set_spilled([Node | spilled(Node_sets)], Node_sets).
add_colored(Node, Node_sets) ->
set_colored([Node | colored(Node_sets)], Node_sets).
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