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diff --git a/lib/compiler/test/beam_ssa_SUITE.erl b/lib/compiler/test/beam_ssa_SUITE.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2018. 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(beam_ssa_SUITE).
+
+-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ calls/1,tuple_matching/1,recv/1,maps/1]).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [{group,p}].
+
+groups() ->
+ [{p,test_lib:parallel(),
+ [tuple_matching,
+ calls,
+ recv,
+ maps
+ ]}].
+
+init_per_suite(Config) ->
+ test_lib:recompile(?MODULE),
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+calls(Config) ->
+ Ret = {return,value,Config},
+ Ret = fun_call(fun(42) -> ok end, Ret),
+ Ret = apply_fun(fun(a, b) -> ok end, [a,b], Ret),
+ Ret = apply_mfa(test_lib, id, [anything], Ret),
+ {'EXIT',{badarg,_}} = (catch call_error()),
+ {'EXIT',{badarg,_}} = (catch call_error(42)),
+ 5 = start_it([erlang,length,1,2,3,4,5]),
+ ok.
+
+fun_call(Fun, X0) ->
+ X = id(X0),
+ Fun(42),
+ X.
+
+apply_fun(Fun, Args, X0) ->
+ X = id(X0),
+ apply(Fun, Args),
+ X.
+
+apply_mfa(Mod, Name, Args, X0) ->
+ X = id(X0),
+ apply(Mod, Name, Args),
+ X.
+
+call_error() ->
+ error(badarg),
+ ok.
+
+call_error(I) ->
+ <<I:(-8)>>,
+ ok.
+
+start_it([_|_]=MFA) ->
+ case MFA of
+ [M,F|Args] -> M:F(Args)
+ end.
+
+tuple_matching(_Config) ->
+ do_tuple_matching({tag,42}).
+
+do_tuple_matching(Arg) ->
+ Res = do_tuple_matching_1(Arg),
+ Res = do_tuple_matching_2(Arg),
+ Res = do_tuple_matching_3(Arg),
+ Res.
+
+do_tuple_matching_1({tag,V}) ->
+ {ok,V}.
+
+do_tuple_matching_2(Tuple) when is_tuple(Tuple) ->
+ Size = tuple_size(Tuple),
+ if
+ Size =:= 2 ->
+ {ok,element(2, Tuple)}
+ end.
+
+do_tuple_matching_3(Tuple) when is_tuple(Tuple) ->
+ Size = tuple_size(Tuple),
+ if
+ Size =:= 2 ->
+ 2 = id(Size),
+ {ok,element(2, Tuple)}
+ end.
+
+-record(reporter_state, {res,run_config}).
+-record(run_config, {report_interval=0}).
+
+recv(_Config) ->
+ Parent = self(),
+
+ %% Test sync_wait_mon/2.
+ Succ = fun() -> Parent ! {ack,self(),{result,42}} end,
+ {result,42} = sync_wait_mon(spawn_monitor(Succ), infinity),
+
+ Down = fun() -> exit(down) end,
+ {error,down} = sync_wait_mon(spawn_monitor(Down), infinity),
+
+ Exit = fun() ->
+ Self = self(),
+ spawn(fun() -> exit(Self, kill_me) end),
+ receive _ -> ok end
+ end,
+ {error,kill_me} = sync_wait_mon(spawn_monitor(Exit), infinity),
+
+ Timeout = fun() -> receive _ -> ok end end,
+ {error,timeout} = sync_wait_mon(spawn_monitor(Timeout), 0),
+
+ %% Test reporter_loop/1.
+ {a,Parent} = reporter_loop(#reporter_state{res={a,Parent},
+ run_config=#run_config{}}),
+
+ %% Test bad_sink/0.
+ bad_sink(),
+
+ %% Test tricky_recv_1/0.
+ self() ! 1,
+ a = tricky_recv_1(),
+ self() ! 2,
+ b = tricky_recv_1(),
+
+ %% Test tricky_recv_2/0.
+ self() ! 1,
+ {1,yes} = tricky_recv_2(),
+ self() ! 2,
+ {2,maybe} = tricky_recv_2(),
+
+ %% Test 'receive after infinity' in try/catch.
+ Pid = spawn(fun recv_after_inf_in_try/0),
+ exit(Pid, done),
+
+ %% Test tricky_recv_3().
+ self() ! {{self(),r0},{1,42,"name"}},
+ {Parent,r0,[<<1:32,1:8,42:8>>,"name",0]} = tricky_recv_3(),
+ self() ! {{self(),r1},{2,99,<<"data">>}},
+ {Parent,r1,<<1:32,2:8,99:8,"data">>} = tricky_recv_3(),
+
+ %% Test tricky_recv_4().
+ self() ! {[self(),r0],{1,42,"name"}},
+ {Parent,r0,[<<1:32,1:8,42:8>>,"name",0]} = tricky_recv_4(),
+ self() ! {[self(),r1],{2,99,<<"data">>}},
+ {Parent,r1,<<1:32,2:8,99:8,"data">>} = tricky_recv_4(),
+
+ ok.
+
+sync_wait_mon({Pid, Ref}, Timeout) ->
+ receive
+ {ack,Pid,Return} ->
+ erlang:demonitor(Ref, [flush]),
+ Return;
+ {'DOWN',Ref,_Type,Pid,Reason} ->
+ {error,Reason};
+ {'EXIT',Pid,Reason} ->
+ erlang:demonitor(Ref, [flush]),
+ {error,Reason}
+ after Timeout ->
+ erlang:demonitor(Ref, [flush]),
+ exit(Pid, kill),
+ {error,timeout}
+ end.
+
+reporter_loop(State) ->
+ RC = State#reporter_state.run_config,
+ receive after RC#run_config.report_interval ->
+ State#reporter_state.res
+ end.
+
+bad_sink() ->
+ {ok,Pid} = my_spawn(self()),
+ %% The get_tuple_element instruction for the matching
+ %% above was sinked into the receive loop. That will
+ %% not work (and would be bad for performance if it
+ %% would work).
+ receive
+ {ok,Pid} ->
+ ok;
+ error ->
+ exit(failed)
+ end,
+ exit(Pid, kill).
+
+my_spawn(Parent) ->
+ Pid = spawn(fun() ->
+ Parent ! {ok,self()},
+ receive _ -> ok end
+ end),
+ {ok,Pid}.
+
+tricky_recv_1() ->
+ receive
+ X=1 ->
+ id(42),
+ a;
+ X=2 ->
+ b
+ end,
+ case X of
+ 1 -> a;
+ 2 -> b
+ end.
+
+tricky_recv_2() ->
+ receive
+ X=1 ->
+ Y = case id(X) of
+ 1 -> yes;
+ _ -> no
+ end,
+ a;
+ X=2 ->
+ Y = maybe,
+ b
+ end,
+ {X,Y}.
+
+recv_after_inf_in_try() ->
+ try
+ %% Used to crash beam_kernel_to_ssa.
+ receive after infinity -> ok end
+ catch
+ _A:_B ->
+ receive after infinity -> ok end
+ end.
+
+tricky_recv_3() ->
+ {Pid, R, Request} =
+ receive
+ {{Pid0,R0}, {1, Proto0, Name0}} ->
+ {Pid0, R0,
+ [<<1:32, 1:8, Proto0:8>>,Name0,0]};
+ {{Pid1,R1}, {2, Proto1, Data1}} ->
+ {Pid1, R1,
+ <<1:32, 2:8, Proto1:8, Data1/binary>>}
+ end,
+ id({Pid,R,Request}).
+
+tricky_recv_4() ->
+ {Pid, R, Request} =
+ receive
+ {[Pid0,R0], {1, Proto0, Name0}} ->
+ {Pid0, R0,
+ [<<1:32, 1:8, Proto0:8>>,Name0,0]};
+ {[Pid1,R1], {2, Proto1, Data1}} ->
+ {Pid1, R1,
+ <<1:32, 2:8, Proto1:8, Data1/binary>>}
+ end,
+ id({Pid,R,Request}).
+
+maps(_Config) ->
+ {'EXIT',{{badmatch,#{}},_}} = (catch maps_1(any)),
+ ok.
+
+maps_1(K) ->
+ _ = id(42),
+ #{K:=V} = #{},
+ V.
+
+%% The identity function.
+id(I) -> I.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 03:59:01 +0000