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%% -*- erlang-indent-level: 2 -*-
%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2001-2011. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
-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 successfully 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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