%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2000-2011. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved online at http://www.erlang.org/.
%%
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%%
%% %CopyrightEnd%
%%
%%% Purpose : Tests inlining.
-module(inline_SUITE).
-include_lib("test_server/include/test_server.hrl").
-compile(export_all).
-compile({inline,[badarg/2]}).
%% Needed by test case `lists'.
-compile(inline_list_funcs).
suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
test_lib:recompile(?MODULE),
[{group,p}].
groups() ->
[{p,test_lib:parallel(),
[attribute,bsdecode,bsdes,barnes2,decode1,smith,
itracer,pseudoknot,comma_splitter,lists,really_inlined,otp_7223,
coverage]}].
init_per_suite(Config) ->
Pa = "-pa " ++ filename:dirname(code:which(?MODULE)),
{ok,Node} = start_node(compiler, Pa),
[{testing_node,Node}|Config].
end_per_suite(Config) ->
Node = ?config(testing_node, Config),
?t:stop_node(Node),
ok.
init_per_group(_GroupName, Config) ->
Config.
end_per_group(_GroupName, Config) ->
Config.
attribute(Config) when is_list(Config) ->
Name = "attribute",
?line Src = filename:join(?config(data_dir, Config), Name),
?line Out = ?config(priv_dir,Config),
?line {ok,attribute=Mod} = compile:file(Src, [{outdir,Out},report,time]),
?line Outfile = filename:join(Out, Name++".beam"),
?line {ok,{Mod,[{locals,Locals}]}} = beam_lib:chunks(Outfile, [locals]),
?line io:format("locals: ~p\n", [Locals]),
%% The inliner should have removed all local functions.
?line [] = Locals,
ok.
-define(comp(Name),
Name(Config) when is_list(Config) ->
try_inline(Name, Config)).
?comp(bsdecode).
?comp(bsdes).
?comp(barnes2).
?comp(decode1).
?comp(smith).
?comp(itracer).
?comp(pseudoknot).
?comp(comma_splitter).
try_inline(Mod, Config) ->
Node = ?config(testing_node, Config),
?line Src = filename:join(?config(data_dir, Config), atom_to_list(Mod)),
?line Out = ?config(priv_dir,Config),
%% Normal compilation.
?line io:format("Compiling: ~s\n", [Src]),
?line {ok,Mod} = compile:file(Src, [{outdir,Out},report,bin_opt_info,clint]),
?line Dog = test_server:timetrap(test_server:minutes(10)),
?line NormalResult = rpc:call(Node, ?MODULE, load_and_call, [Out,Mod]),
?line test_server:timetrap_cancel(Dog),
%% Inlining.
?line io:format("Compiling with old inliner: ~s\n", [Src]),
?line {ok,Mod} = compile:file(Src, [{outdir,Out},report,bin_opt_info,
{inline,1000},clint]),
%% Run inlined code.
?line Dog3 = test_server:timetrap(test_server:minutes(10)),
?line OldInlinedResult = rpc:call(Node, ?MODULE, load_and_call, [Out,Mod]),
?line test_server:timetrap_cancel(Dog3),
%% Compare results.
?line compare(NormalResult, OldInlinedResult),
?line NormalResult = OldInlinedResult,
%% Inlining.
?line io:format("Compiling with new inliner: ~s\n", [Src]),
?line {ok,Mod} = compile:file(Src, [{outdir,Out},report,
bin_opt_info,inline,clint]),
%% Run inlined code.
?line Dog4 = test_server:timetrap(test_server:minutes(10)),
?line InlinedResult = rpc:call(Node, ?MODULE, load_and_call, [Out,Mod]),
?line test_server:timetrap_cancel(Dog4),
%% Compare results.
?line compare(NormalResult, InlinedResult),
?line NormalResult = InlinedResult,
%% Delete Beam file.
?line ok = file:delete(filename:join(Out, atom_to_list(Mod)++code:objfile_extension())),
ok.
compare(Same, Same) -> ok;
compare([Same|T1], [Same|T2]) ->
compare(T1, T2);
compare([{X,Y,RGB1}|T1], [{X,Y,RGB2}|T2]) ->
io:format("X = ~p, Y = ~p, RGB normal = ~p, RGB inlined ~p\n", [X,Y,RGB1,RGB2]),
compare(T1, T2);
compare([H1|_], [H2|_]) ->
io:format("Normal = ~p, Inlined = ~p\n", [H1,H2]),
?t:fail();
compare([], []) -> ok.
start_node(Name, Args) ->
case test_server:start_node(Name, slave, [{args,Args}]) of
{ok,Node} -> {ok, Node};
Error -> ?line test_server:fail(Error)
end.
load_and_call(Out, Module) ->
?line io:format("Loading...\n",[]),
?line code:purge(Module),
?line LoadRc = code:load_abs(filename:join(Out, Module)),
?line {module,Module} = LoadRc,
?line io:format("Calling...\n",[]),
?line {Time,CallResult} = timer:tc(Module, Module, []),
?line io:format("Time: ~p\n", [Time]),
CallResult.
%% Macros used by lists/1 below.
-define(TestHighOrder_2(Name, Body, List),
begin
put(?MODULE, []),
(fun({Res,Res2}) ->
{Res,Res2} = my_apply(lists, Name, [Body,List], [])
end)(begin
(fun(R) ->
{R,get(?MODULE)}
end)(lists:Name(Body, List))
end)
end).
-define(TestHighOrder_3(Name, Body, Init, List),
begin
put(?MODULE, []),
(fun({Res,Res2}) ->
{Res,Res2} = my_apply(lists, Name, [Body,Init,List], [])
end)(begin
(fun(R) ->
{R,get(?MODULE)}
end)(lists:Name(Body, Init, List))
end)
end).
%% For each high order function in the lists module, verify
%% that the inlined version produces the same result and is evaluated
%% in the same order as the function in the lists module.
%%
%% Note: This module must be compiled with the inline_lists_funcs option.
lists(Config) when is_list(Config) ->
?line List = lists:seq(1, 20),
%% lists:map/2
?line ?TestHighOrder_2(map, (fun(E) ->
R = E band 16#ff,
put(?MODULE, [E|get(?MODULE)]),
R
end), List),
%% lists:flatmap/2
?line ?TestHighOrder_2(flatmap, (fun(E) ->
R = lists:duplicate(E, E),
put(?MODULE, [E|get(?MODULE)]),
R
end), List),
%% lists:foreach/2
?line ?TestHighOrder_2(foreach,
(fun(E) ->
put(?MODULE, [E bor 7|get(?MODULE)])
end), List),
%% lists:filter/2
?line ?TestHighOrder_2(filter, (fun(E) ->
put(?MODULE, [E|get(?MODULE)]),
(E bsr 1) band 1 =/= 0
end), List),
%% lists:any/2
?line ?TestHighOrder_2(any, (fun(E) ->
put(?MODULE, [E|get(?MODULE)]),
false %Force it to go through all.
end), List),
%% lists:all/2
?line ?TestHighOrder_2(all, (fun(E) ->
put(?MODULE, [E|get(?MODULE)]),
true %Force it to go through all.
end), List),
%% lists:foldl/3
?line ?TestHighOrder_3(foldl, (fun(E, A) ->
put(?MODULE, [E|get(?MODULE)]),
A bxor E
end), 0, List),
%% lists:foldr/3
?line ?TestHighOrder_3(foldr, (fun(E, A) ->
put(?MODULE, [E|get(?MODULE)]),
A bxor (bnot E)
end), 0, List),
%% lists:mapfoldl/3
?line ?TestHighOrder_3(mapfoldl, (fun(E, A) ->
put(?MODULE, [E|get(?MODULE)]),
{bnot E,A bxor (bnot E)}
end), 0, List),
%% lists:mapfoldr/3
?line ?TestHighOrder_3(mapfoldr, (fun(E, A) ->
put(?MODULE, [E|get(?MODULE)]),
{bnot E,A bxor (bnot E)}
end), 0, List),
%% Cleanup.
erase(?MODULE),
ok.
my_apply(M, F, A, Init) ->
put(?MODULE, Init),
Res = apply(M, F, A),
{Res,get(?MODULE)}.
really_inlined(Config) when is_list(Config) ->
%% Make sure that badarg/2 really gets inlined.
{'EXIT',{badarg,[{?MODULE,fail_me_now,[],_}|_]}} =
(catch fail_me_now()),
ok.
fail_me_now() ->
badarg(foo(bar), []).
foo(_X) ->
badarg.
%% Inlined.
badarg(badarg, A) ->
erlang:error(badarg, A);
badarg(Reply, _A) ->
Reply.
otp_7223(Config) when is_list(Config) ->
?line {'EXIT', {{case_clause,{1}},_}} = (catch otp_7223_1(1)),
ok.
-compile({inline,[{otp_7223_1,1}]}).
otp_7223_1(X) ->
otp_7223_2(X).
-compile({inline,[{otp_7223_2,1}]}).
otp_7223_2({a}) ->
1.
coverage(Config) when is_list(Config) ->
Mod = bsdecode,
Src = filename:join(?config(data_dir, Config), Mod),
{ok,Mod,_} = compile:file(Src, [binary,report,{inline,0},clint]),
{ok,Mod,_} = compile:file(Src, [binary,report,{inline,20},
verbose,clint]),
ok.
