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-rw-r--r--lib/hipe/icode/hipe_icode_type.erl29
1 files changed, 12 insertions, 17 deletions
diff --git a/lib/hipe/icode/hipe_icode_type.erl b/lib/hipe/icode/hipe_icode_type.erl
index 794c27ebcc..aafaeb5a0a 100644
--- a/lib/hipe/icode/hipe_icode_type.erl
+++ b/lib/hipe/icode/hipe_icode_type.erl
@@ -1,9 +1,5 @@
%% -*- erlang-indent-level: 2 -*-
%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2003-2016. 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 @@
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
-%% %CopyrightEnd%
-%%
%%%--------------------------------------------------------------------
%%% File : hipe_icode_type.erl
%%% Author : Tobias Lindahl <[email protected]>
@@ -100,7 +94,7 @@
-record(state, {info_map = gb_trees:empty() :: gb_trees:tree(),
cfg :: cfg(),
- liveness = gb_trees:empty() :: gb_trees:tree(),
+ liveness :: hipe_icode_ssa:liveness(),
arg_types :: [erl_types:erl_type()],
ret_type = [t_none()] :: [erl_types:erl_type()],
lookupfun :: call_fun(),
@@ -1416,9 +1410,10 @@ transform_element2(I) ->
NewIndex =
case test_type(integer, IndexType) of
true ->
- case t_number_vals(IndexType) of
- unknown -> unknown;
- [_|_] = Vals -> {number, Vals}
+ case {number_min(IndexType), number_max(IndexType)} of
+ {Lb0, Ub0} when is_integer(Lb0), is_integer(Ub0) ->
+ {number, Lb0, Ub0};
+ {_, _} -> unknown
end;
_ -> unknown
end,
@@ -1433,19 +1428,19 @@ transform_element2(I) ->
_ -> unknown
end,
case {NewIndex, MinSize} of
- {{number, [_|_] = Ns}, {tuple, A}} when is_integer(A) ->
- case lists:all(fun(X) -> 0 < X andalso X =< A end, Ns) of
+ {{number, Lb, Ub}, {tuple, A}} when is_integer(A) ->
+ case 0 < Lb andalso Ub =< A of
true ->
- case Ns of
- [Idx] ->
+ case {Lb, Ub} of
+ {Idx, Idx} ->
[_, Tuple] = hipe_icode:args(I),
update_call_or_enter(I, #unsafe_element{index = Idx}, [Tuple]);
- [_|_] ->
+ {_, _} ->
NewFun = {element, [MinSize, valid]},
update_call_or_enter(I, NewFun)
end;
false ->
- case lists:all(fun(X) -> hipe_tagscheme:is_fixnum(X) end, Ns) of
+ case lists:all(fun(X) -> hipe_tagscheme:is_fixnum(X) end, [Lb, Ub]) of
true ->
NewFun = {element, [MinSize, fixnums]},
update_call_or_enter(I, NewFun);
@@ -1460,7 +1455,7 @@ transform_element2(I) ->
NewFun = {element, [MinSize, fixnums]},
update_call_or_enter(I, NewFun);
false ->
- NewFun = {element, [MinSize, NewIndex]},
+ NewFun = {element, [MinSize, NewIndex]},
update_call_or_enter(I, NewFun)
end
end.