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-rw-r--r--lib/compiler/src/beam_clean.erl25
-rw-r--r--lib/compiler/src/beam_utils.erl6
-rw-r--r--lib/compiler/test/Makefile3
-rw-r--r--lib/compiler/test/beam_utils_SUITE.erl236
-rw-r--r--lib/compiler/test/beam_validator_SUITE.erl13
-rw-r--r--lib/compiler/test/beam_validator_SUITE_data/compiler_bug.S38
-rw-r--r--lib/compiler/test/compile_SUITE.erl18
-rw-r--r--lib/compiler/test/compile_SUITE_data/dialyzer_test.erl39
-rw-r--r--lib/compiler/test/map_SUITE.erl4
-rw-r--r--lib/compiler/test/receive_SUITE.erl38
10 files changed, 376 insertions, 44 deletions
diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl
index b653998252..b68b8702e0 100644
--- a/lib/compiler/src/beam_clean.erl
+++ b/lib/compiler/src/beam_clean.erl
@@ -234,31 +234,6 @@ replace([{bs_init,{f,Lbl},Info,Live,Ss,Dst}|Is], Acc, D) when Lbl =/= 0 ->
replace(Is, [{bs_init,{f,label(Lbl, D)},Info,Live,Ss,Dst}|Acc], D);
replace([{bs_put,{f,Lbl},Info,Ss}|Is], Acc, D) when Lbl =/= 0 ->
replace(Is, [{bs_put,{f,label(Lbl, D)},Info,Ss}|Acc], D);
-replace([{bs_init2,{f,Lbl},Sz,Words,R,F,Dst}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_init2,{f,label(Lbl, D)},Sz,Words,R,F,Dst}|Acc], D);
-replace([{bs_init_bits,{f,Lbl},Sz,Words,R,F,Dst}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_init_bits,{f,label(Lbl, D)},Sz,Words,R,F,Dst}|Acc], D);
-replace([{bs_put_integer,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_put_integer,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
-replace([{bs_put_utf8=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
-replace([{bs_put_utf16=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
-replace([{bs_put_utf32=I,{f,Lbl},Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{I,{f,label(Lbl, D)},Fl,Val}|Acc], D);
-replace([{bs_put_binary,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_put_binary,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
-replace([{bs_put_float,{f,Lbl},Bits,Unit,Fl,Val}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_put_float,{f,label(Lbl, D)},Bits,Unit,Fl,Val}|Acc], D);
-replace([{bs_add,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{bs_add,{f,label(Lbl, D)},Src,Dst}|Acc], D);
-replace([{bs_append,{f,Lbl},_,_,_,_,_,_,_}=I0|Is], Acc, D) when Lbl =/= 0 ->
- I = setelement(2, I0, {f,label(Lbl, D)}),
- replace(Is, [I|Acc], D);
-replace([{bs_utf8_size=I,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{I,{f,label(Lbl, D)},Src,Dst}|Acc], D);
-replace([{bs_utf16_size=I,{f,Lbl},Src,Dst}|Is], Acc, D) when Lbl =/= 0 ->
- replace(Is, [{I,{f,label(Lbl, D)},Src,Dst}|Acc], D);
replace([{put_map=I,{f,Lbl},Op,Src,Dst,Live,List}|Is], Acc, D)
when Lbl =/= 0 ->
replace(Is, [{I,{f,label(Lbl, D)},Op,Src,Dst,Live,List}|Acc], D);
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl
index e82ba82d38..84a2b782e9 100644
--- a/lib/compiler/src/beam_utils.erl
+++ b/lib/compiler/src/beam_utils.erl
@@ -758,13 +758,9 @@ live_opt([{line,_}=I|Is], Regs, D, Acc) ->
live_opt(Is, Regs, D, [I|Acc]);
%% The following instructions can occur if the "compilation" has been
-%% started from a .S file using the 'asm' option.
+%% started from a .S file using the 'from_asm' option.
live_opt([{trim,_,_}=I|Is], Regs, D, Acc) ->
live_opt(Is, Regs, D, [I|Acc]);
-live_opt([{allocate,_,Live}=I|Is], _, D, Acc) ->
- live_opt(Is, live_call(Live), D, [I|Acc]);
-live_opt([{allocate_heap,_,_,Live}=I|Is], _, D, Acc) ->
- live_opt(Is, live_call(Live), D, [I|Acc]);
live_opt([{'%',_}=I|Is], Regs, D, Acc) ->
live_opt(Is, Regs, D, [I|Acc]);
live_opt([{recv_set,_}=I|Is], Regs, D, Acc) ->
diff --git a/lib/compiler/test/Makefile b/lib/compiler/test/Makefile
index 892a401c75..73d52a48bc 100644
--- a/lib/compiler/test/Makefile
+++ b/lib/compiler/test/Makefile
@@ -11,6 +11,7 @@ MODULES= \
beam_validator_SUITE \
beam_disasm_SUITE \
beam_except_SUITE \
+ beam_utils_SUITE \
bs_bincomp_SUITE \
bs_bit_binaries_SUITE \
bs_construct_SUITE \
@@ -40,6 +41,7 @@ NO_OPT= \
andor \
apply \
beam_except \
+ beam_utils \
bs_construct \
bs_match \
bs_utf \
@@ -59,6 +61,7 @@ NO_OPT= \
INLINE= \
andor \
apply \
+ beam_utils \
bs_bincomp \
bs_bit_binaries \
bs_construct \
diff --git a/lib/compiler/test/beam_utils_SUITE.erl b/lib/compiler/test/beam_utils_SUITE.erl
new file mode 100644
index 0000000000..9142ca6485
--- /dev/null
+++ b/lib/compiler/test/beam_utils_SUITE.erl
@@ -0,0 +1,236 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. 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%
+%%
+-module(beam_utils_SUITE).
+
+-export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
+ init_per_group/2,end_per_group/2,
+ apply_fun/1,apply_mf/1,bs_init/1,bs_save/1,
+ is_not_killed/1,is_not_used_at/1,
+ select/1,y_catch/1]).
+-export([id/1]).
+
+suite() -> [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ test_lib:recompile(?MODULE),
+ [{group,p}].
+
+groups() ->
+ [{p,test_lib:parallel(),
+ [apply_fun,
+ apply_mf,
+ bs_init,
+ bs_save,
+ is_not_killed,
+ is_not_used_at,
+ select,
+ y_catch
+ ]}].
+
+init_per_suite(Config) ->
+ Config.
+
+end_per_suite(_Config) ->
+ ok.
+
+init_per_group(_GroupName, Config) ->
+ Config.
+
+end_per_group(_GroupName, Config) ->
+ Config.
+
+apply_fun(_Config) ->
+ 3 = do_apply_fun(false, false),
+ 3 = do_apply_fun(false, true),
+ 3 = do_apply_fun(true, false),
+ 2 = do_apply_fun(true, true),
+ ok.
+
+do_apply_fun(X, Y) ->
+ F = fun(I) -> I+1 end,
+ Arg = case X andalso id(Y) of
+ true -> 1;
+ false -> 2
+ end,
+ F(Arg).
+
+apply_mf(_Config) ->
+ ok = do_apply_mf_used({a,b}, ?MODULE, id),
+ error = do_apply_mf_used([a], ?MODULE, id),
+ {'EXIT',{{case_clause,{[],b}},_}} = (catch do_apply_mf_used({[],b}, ?MODULE, id)),
+
+ error = do_apply_mf_killed({error,[a]}, ?MODULE, id),
+ ok = do_apply_mf_killed([b], ?MODULE, id),
+ {'EXIT',{{case_clause,{a,[b]}},_}} = (catch do_apply_mf_killed({a,[b]}, ?MODULE, id)),
+ {'EXIT',{{case_clause,{error,[]}},_}} = (catch do_apply_mf_killed({error,[]}, ?MODULE, id)),
+
+ ok.
+
+do_apply_mf_used(Arg, Mod, Func) ->
+ Res = case id(Arg) of
+ {Decoded,_} when Decoded =/= [] ->
+ ok;
+ List when is_list(List) ->
+ error
+ end,
+ Mod:Func(Res).
+
+do_apply_mf_killed(Arg, Mod, Func) ->
+ Res = case id(Arg) of
+ {Tag,Decoded} when Decoded =/= [], Tag =:= error ->
+ error;
+ List when is_list(List) ->
+ ok
+ end,
+ Mod:Func(Res).
+
+bs_init(_Config) ->
+ <<7>> = do_bs_init_1([?MODULE], 7),
+ error = do_bs_init_1([?MODULE], 0.0),
+ error = do_bs_init_1([?MODULE], -43),
+ error = do_bs_init_1([?MODULE], 42),
+
+ <<>> = do_bs_init_2([]),
+ <<0:32,((1 bsl 32)-1):32>> = do_bs_init_2([0,(1 bsl 32)-1]),
+ {'EXIT',{badarg,_}} = (catch do_bs_init_2([0.5])),
+ {'EXIT',{badarg,_}} = (catch do_bs_init_2([-1])),
+ {'EXIT',{badarg,_}} = (catch do_bs_init_2([1 bsl 32])),
+ ok.
+
+do_bs_init_1([?MODULE], Sz) ->
+ if
+ is_integer(Sz), Sz >= -42, Sz < 42 ->
+ id(<<Sz:8>>);
+ true ->
+ error
+ end.
+
+do_bs_init_2(SigNos) ->
+ << <<SigNo:32>> ||
+ SigNo <- SigNos,
+ (is_integer(SigNo) andalso SigNo >= 0 andalso SigNo < (1 bsl 32)) orelse
+ erlang:error(badarg)
+ >>.
+
+
+bs_save(_Config) ->
+ {a,30,<<>>} = do_bs_save(<<1:1,30:5>>),
+ {b,127,<<>>} = do_bs_save(<<1:1,31:5,0:1,127:7>>),
+ {c,127,<<>>} = do_bs_save(<<1:1,31:5,1:1,127:7>>),
+ {c,127,<<>>} = do_bs_save(<<0:1,31:5,1:1,127:7>>),
+ {d,1024,<<>>} = do_bs_save(<<0:1,31:5>>),
+ ok.
+
+do_bs_save(<<_:1, Tag:5, T/binary>>) when Tag < 31 ->
+ {a,Tag,T};
+do_bs_save(<<1:1, 31:5, 0:1, Tag:7, T/binary>>) ->
+ {b,Tag,T};
+do_bs_save(<<_:1, 31:5, 1:1, Tag:7, T/binary>>) ->
+ {c,Tag,T};
+do_bs_save(<<_:1, 31:5, T/binary>>) ->
+ {d,1024,T}.
+
+is_not_killed(_Config) ->
+ {Pid,Ref} = spawn_monitor(fun() -> exit(banan) end),
+ receive
+ {'DOWN', Ref, process, Pid, banan} ->
+ ok
+ end,
+ receive after 0 -> ok end.
+
+is_not_used_at(_Config) ->
+ {a,b} = do_is_not_used_at(a, [{a,b}]),
+ {a,b} = do_is_not_used_at(a, [x,{a,b}]),
+ {a,b} = do_is_not_used_at(a, [{x,y},{a,b}]),
+ none = do_is_not_used_at(z, [{a,b}]),
+ none = do_is_not_used_at(a, [x]),
+ none = do_is_not_used_at(a, [{x,y}]),
+ ok.
+
+do_is_not_used_at(Key, [P|Ps]) ->
+ if
+ tuple_size(P) >= 1, element(1, P) =:= Key ->
+ P;
+ true ->
+ do_is_not_used_at(Key, Ps)
+ end;
+do_is_not_used_at(_Key, []) -> none.
+
+-record(select, {fixed=false}).
+
+select(_Config) ->
+ a = do_select(#select{}, 0, 0),
+ b = do_select(#select{}, 0, 1),
+ c = do_select(#select{fixed=true}, 0, 0),
+ c = do_select(#select{fixed=true}, 0, 1),
+ ok.
+
+do_select(Head, OldSize, BSize) ->
+ Overwrite0 =
+ if
+ OldSize =:= BSize -> same;
+ true -> true
+ end,
+ Overwrite =
+ if
+ Head#select.fixed =/= false ->
+ false;
+ true ->
+ Overwrite0
+ end,
+ if
+ Overwrite =:= same ->
+ a;
+ Overwrite ->
+ b;
+ true ->
+ c
+ end.
+
+y_catch(_Config) ->
+ ok = try
+ do_y_catch(<<"<?xmlX">>, {state}),
+ failed
+ catch
+ throw:{<<"<?xmlX">>,{state}} ->
+ ok
+ end.
+
+do_y_catch(<<"<?xml",Rest0/binary>> = Bytes, State0) ->
+ {Rest1,State1} =
+ case do_y_catch_1(Rest0, State0) of
+ false ->
+ {Bytes,State0};
+ true ->
+ {_XmlAttributes, R, S} = do_y_catch_2(Rest0),
+ {R,S}
+ end,
+ case catch id({Rest1,State1}) of
+ Other ->
+ throw(Other)
+ end.
+
+do_y_catch_1(<<_,_/binary>>, _) ->
+ false.
+
+do_y_catch_2(_) -> {a,b,c}.
+
+
+%% The identity function.
+id(I) -> I.
diff --git a/lib/compiler/test/beam_validator_SUITE.erl b/lib/compiler/test/beam_validator_SUITE.erl
index 626f89ba7a..27979647c6 100644
--- a/lib/compiler/test/beam_validator_SUITE.erl
+++ b/lib/compiler/test/beam_validator_SUITE.erl
@@ -96,9 +96,16 @@ do_beam_file(F) ->
compiler_bug(Config) when is_list(Config) ->
%% Check that the compiler returns an error if we try to
%% assemble one of the bad '.S' files.
- ?line Data = ?config(data_dir, Config),
- ?line File = filename:join(Data, "stack"),
- ?line error = compile:file(File, [asm,report_errors,binary,time]),
+ Data = ?config(data_dir, Config),
+ File = filename:join(Data, "compiler_bug"),
+ error = compile:file(File, [from_asm,report_errors,time]),
+
+ %% Make sure that the error was reported by
+ %% the beam_validator module.
+ {error,
+ [{"compiler_bug",
+ [{beam_validator,_}]}],
+ []} = compile:file(File, [from_asm,return_errors,time]),
ok.
%% The following code is stupid but it should compile.
diff --git a/lib/compiler/test/beam_validator_SUITE_data/compiler_bug.S b/lib/compiler/test/beam_validator_SUITE_data/compiler_bug.S
new file mode 100644
index 0000000000..ba27bf5c47
--- /dev/null
+++ b/lib/compiler/test/beam_validator_SUITE_data/compiler_bug.S
@@ -0,0 +1,38 @@
+{module, compiler_bug}. %% version = 0
+
+{exports, [{module_info,0},{module_info,1},{sum,2}]}.
+
+{attributes, []}.
+
+{labels, 7}.
+
+
+{function, sum, 2, 2}.
+ {label,1}.
+ {line,[{location,"compiler_bug.erl",4}]}.
+ {func_info,{atom,compiler_bug},{atom,sum},2}.
+ {label,2}.
+ {line,[{location,"compiler_bug.erl",5}]}.
+ {gc_bif,'+',{f,0},2,[{y,0},{y,1}],{x,0}}.
+ return.
+
+
+{function, module_info, 0, 4}.
+ {label,3}.
+ {line,[]}.
+ {func_info,{atom,compiler_bug},{atom,module_info},0}.
+ {label,4}.
+ {move,{atom,compiler_bug},{x,0}}.
+ {line,[]}.
+ {call_ext_only,1,{extfunc,erlang,get_module_info,1}}.
+
+
+{function, module_info, 1, 6}.
+ {label,5}.
+ {line,[]}.
+ {func_info,{atom,compiler_bug},{atom,module_info},1}.
+ {label,6}.
+ {move,{x,0},{x,1}}.
+ {move,{atom,compiler_bug},{x,0}}.
+ {line,[]}.
+ {call_ext_only,2,{extfunc,erlang,get_module_info,2}}.
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 128291dc67..0ff03c4295 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -30,7 +30,7 @@
other_output/1, encrypted_abstr/1,
bad_record_use1/1, bad_record_use2/1, strict_record/1,
missing_testheap/1, cover/1, env/1, core/1, asm/1,
- sys_pre_attributes/1]).
+ sys_pre_attributes/1, dialyzer/1]).
-export([init/3]).
@@ -47,7 +47,7 @@ all() ->
other_output, encrypted_abstr,
{group, bad_record_use}, strict_record,
missing_testheap, cover, env, core, asm,
- sys_pre_attributes].
+ sys_pre_attributes, dialyzer].
groups() ->
[{bad_record_use, [],
@@ -854,6 +854,20 @@ sys_pre_attributes(Config) ->
[report,verbose]),
ok.
+%% Test the dialyzer option to cover more code.
+dialyzer(Config) ->
+ Priv = ?config(priv_dir, Config),
+ file:set_cwd(?config(data_dir, Config)),
+ Opts = [{outdir,Priv},report_errors],
+ M = dialyzer_test,
+ {ok,M} = c:c(M, [dialyzer|Opts]),
+ [{a,b,c}] = M:M(),
+
+ %% Cover huge line numbers without the 'dialyzer' option.
+ {ok,M} = c:c(M, Opts),
+ [{a,b,c}] = M:M(),
+ ok.
+
%%%
%%% Utilities.
%%%
diff --git a/lib/compiler/test/compile_SUITE_data/dialyzer_test.erl b/lib/compiler/test/compile_SUITE_data/dialyzer_test.erl
new file mode 100644
index 0000000000..ed65ff9c43
--- /dev/null
+++ b/lib/compiler/test/compile_SUITE_data/dialyzer_test.erl
@@ -0,0 +1,39 @@
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2015. 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%
+%%
+
+-module(dialyzer_test).
+-export([?MODULE/0,turtle/0,test/1,huge/1]).
+
+-record(turtle, {a,b,c}).
+-record(tortoise, {a,b,c}).
+
+?MODULE() ->
+ [{a,b,c}].
+
+turtle() ->
+ #turtle{a=1,b=2,c=3}.
+
+test(T) ->
+ {T#tortoise.a,T#tortoise.b}.
+
+-file("dialyzer_test", 100000000).
+
+huge(X) ->
+ #turtle{a=42,b=100,c=511},
+ X#tortoise.a.
diff --git a/lib/compiler/test/map_SUITE.erl b/lib/compiler/test/map_SUITE.erl
index 75efce9d7b..dbac61765b 100644
--- a/lib/compiler/test/map_SUITE.erl
+++ b/lib/compiler/test/map_SUITE.erl
@@ -61,7 +61,9 @@
suite() -> [].
-all() -> [
+all() ->
+ test_lib:recompile(?MODULE),
+ [
%% literals
t_build_and_match_literals,
t_update_literals, t_match_and_update_literals,
diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl
index 00a6e900d4..fb82bf6101 100644
--- a/lib/compiler/test/receive_SUITE.erl
+++ b/lib/compiler/test/receive_SUITE.erl
@@ -187,12 +187,13 @@ ref_opt(Config) when is_list(Config) ->
end.
ref_opt_1(Config) ->
- ?line DataDir = ?config(data_dir, Config),
- ?line PrivDir = ?config(priv_dir, Config),
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
Sources = filelib:wildcard(filename:join([DataDir,"ref_opt","*.{erl,S}"])),
- ?line test_lib:p_run(fun(Src) ->
- do_ref_opt(Src, PrivDir)
- end, Sources),
+ test_lib:p_run(fun(Src) ->
+ do_ref_opt(Src, PrivDir)
+ end, Sources),
+ cover_recv_instructions(),
ok.
do_ref_opt(Source, PrivDir) ->
@@ -202,9 +203,9 @@ do_ref_opt(Source, PrivDir) ->
{outdir,PrivDir}] ++
[from_asm || Ext =:= ".S" ]),
Base = filename:rootname(filename:basename(Source), Ext),
- code:purge(list_to_atom(Base)),
- BeamFile = filename:join(PrivDir, Base),
- code:load_abs(BeamFile),
+ code:purge(list_to_atom(Base)),
+ BeamFile = filename:join(PrivDir, Base),
+ code:load_abs(BeamFile),
ok = Mod:Mod(),
{beam_file,Mod,_,_,_,Code} = beam_disasm:file(BeamFile),
case Base of
@@ -232,6 +233,27 @@ collect_recv_opt_instrs(Code) ->
end] || {function,_,_,_,Is} <- Code],
lists:append(L).
+cover_recv_instructions() ->
+ %% We want to cover the handling of recv_mark and recv_set in beam_utils.
+ %% Since those instructions are introduced in a late optimization pass,
+ %% beam_utils:live_opt() will not see them unless the compilation is
+ %% started from a .S file. The compile_SUITE:asm/1 test case will
+ %% compile all test suite files to .S and then run them through the
+ %% compiler again.
+ %%
+ %% Here will we will ensure that this modules contains recv_mark
+ %% and recv_set instructions.
+ Pid = spawn_link(fun() ->
+ receive {Parent,Ref} ->
+ Parent ! Ref
+ end
+ end),
+ Ref = make_ref(),
+ Pid ! {self(),Ref},
+ receive
+ Ref -> ok
+ end.
+
export(Config) when is_list(Config) ->
Ref = make_ref(),
?line self() ! {result,Ref,42},
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-22 16:07:25 +0000