aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe/ssa/hipe_ssa_liveness.inc
diff options
context:
space:
mode:
Diffstat (limited to 'lib/hipe/ssa/hipe_ssa_liveness.inc')
-rw-r--r--lib/hipe/ssa/hipe_ssa_liveness.inc33
1 files changed, 15 insertions, 18 deletions
diff --git a/lib/hipe/ssa/hipe_ssa_liveness.inc b/lib/hipe/ssa/hipe_ssa_liveness.inc
index 78488c65fc..a1b49d5d35 100644
--- a/lib/hipe/ssa/hipe_ssa_liveness.inc
+++ b/lib/hipe/ssa/hipe_ssa_liveness.inc
@@ -1,10 +1,6 @@
%% -*- Erlang -*-
%% -*- erlang-indent-level: 2 -*-
%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2004-2016. 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
@@ -16,8 +12,6 @@
%% 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%
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
@@ -40,6 +34,15 @@
ssa_liveness__livein/2]).
%% ssa_liveness__livein/3],
%% ssa_liveness__liveout/2]).
+-type set(E) :: gb_sets:set(E).
+-type liveness(Label, Var) ::
+ #{Label => {{Gen :: set(Var),
+ Kill :: set(Var),
+ {TotalDirGen :: set(Var),
+ DirGen :: gb_trees:tree(Label, set(Var))}},
+ LiveIn :: set(Var),
+ LiveOut :: set(Var),
+ Successors :: [Label]}}.
-endif.
%% -ifdef(DEBUG_LIVENESS).
%% -export([pp_liveness/1]).
@@ -262,21 +265,15 @@ update_directed_gen({Pred, Var}, Map)->
%%
%% liveness
%%
+-compile({inline, [liveness_lookup/2, liveness_update/3]}).
liveness_init(List) ->
- liveness_init1(List, gb_trees:empty()).
+ maps:from_list(List).
-liveness_init1([{Label, Info}|Left], Map) ->
- liveness_init1(Left, gb_trees:insert(Label, Info, Map));
-liveness_init1([], Map) ->
- Map.
-
-liveness_lookup(Label, Map) ->
- {value, Info} = gb_trees:lookup(Label, Map),
- Info.
-
-liveness_update(Label, NewInfo, Map) ->
- gb_trees:update(Label, NewInfo, Map).
+liveness_lookup(Label, Liveness) ->
+ maps:get(Label, Liveness).
+liveness_update(Label, Val, Liveness) ->
+ maps:update(Label, Val, Liveness).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%