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authorBjörn-Egil Dahlberg <egil@erlang.org>2015-05-14 18:57:16 +0200
committerBjörn-Egil Dahlberg <egil@erlang.org>2015-05-21 15:45:19 +0200
commitd3d3d74ae814f752df3c693b70fa6dd131b37fb9 (patch)
tree5dc4a7ac45be61623838f3d93b6e15f177eff338 /lib/compiler
parentf7d79f78455140df04f2329e6ac8fe40b610bd8d (diff)
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compiler: Use cerl_sets instead of gb_sets in beam_jump
Diffstat (limited to 'lib/compiler')
-rw-r--r--lib/compiler/src/beam_jump.erl18
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl
index 52b6464c7f..c42711a99a 100644
--- a/lib/compiler/src/beam_jump.erl
+++ b/lib/compiler/src/beam_jump.erl
@@ -268,7 +268,7 @@ extract_seq_1(_, _) -> no.
-record(st, {fc, %Label for function class errors.
entry, %Entry label (must not be moved).
mlbl, %Moved labels.
- labels %Set of referenced labels.
+ labels :: cerl_sets:set() %Set of referenced labels.
}).
opt([{label,Fc}|_]=Is0, CLabel) ->
@@ -434,7 +434,7 @@ skip_unreachable([], Acc, St) ->
%% Add one or more label to the set of used labels.
-label_used({f,L}, St) -> St#st{labels=gb_sets:add(L, St#st.labels)};
+label_used({f,L}, St) -> St#st{labels=cerl_sets:add_element(L,St#st.labels)};
label_used([H|T], St0) -> label_used(T, label_used(H, St0));
label_used([], St) -> St;
label_used(_Other, St) -> St.
@@ -442,7 +442,7 @@ label_used(_Other, St) -> St.
%% Test if label is used.
is_label_used(L, St) ->
- gb_sets:is_member(L, St#st.labels).
+ cerl_sets:is_element(L, St#st.labels).
%% is_unreachable_after(Instruction) -> boolean()
%% Test whether the code after Instruction is unreachable.
@@ -472,14 +472,14 @@ is_exit_instruction(_) -> false.
%% (including inside blocks).
is_label_used_in(Lbl, Is) ->
- is_label_used_in_1(Is, Lbl, gb_sets:empty()).
+ is_label_used_in_1(Is, Lbl, cerl_sets:new()).
is_label_used_in_1([{block,Block}|Is], Lbl, Empty) ->
lists:any(fun(I) -> is_label_used_in_block(I, Lbl) end, Block)
orelse is_label_used_in_1(Is, Lbl, Empty);
is_label_used_in_1([I|Is], Lbl, Empty) ->
Used = ulbl(I, Empty),
- gb_sets:is_member(Lbl, Used) orelse is_label_used_in_1(Is, Lbl, Empty);
+ cerl_sets:is_element(Lbl, Used) orelse is_label_used_in_1(Is, Lbl, Empty);
is_label_used_in_1([], _, _) -> false.
is_label_used_in_block({set,_,_,Info}, Lbl) ->
@@ -506,7 +506,7 @@ remove_unused_labels(Is) ->
rem_unused(Is, Used, []).
rem_unused([{label,Lbl}=I|Is0], Used, [Prev|_]=Acc) ->
- case gb_sets:is_member(Lbl, Used) of
+ case cerl_sets:is_element(Lbl, Used) of
false ->
Is = case is_unreachable_after(Prev) of
true -> drop_upto_label(Is0);
@@ -528,7 +528,7 @@ initial_labels([{line,_}|Is], Acc) ->
initial_labels([{label,Lbl}|Is], Acc) ->
initial_labels(Is, [Lbl|Acc]);
initial_labels([{func_info,_,_,_},{label,Lbl}|_], Acc) ->
- gb_sets:from_list([Lbl|Acc]).
+ cerl_sets:from_list([Lbl|Acc]).
drop_upto_label([{label,_}|_]=Is) -> Is;
drop_upto_label([_|Is]) -> drop_upto_label(Is);
@@ -576,10 +576,10 @@ ulbl({get_map_elements,Lbl,_Src,_List}, Used) ->
ulbl(_, Used) -> Used.
mark_used({f,0}, Used) -> Used;
-mark_used({f,L}, Used) -> gb_sets:add(L, Used).
+mark_used({f,L}, Used) -> cerl_sets:add_element(L, Used).
mark_used_list([{f,L}|T], Used) ->
- mark_used_list(T, gb_sets:add(L, Used));
+ mark_used_list(T, cerl_sets:add_element(L, Used));
mark_used_list([_|T], Used) ->
mark_used_list(T, Used);
mark_used_list([], Used) -> Used.