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229 files changed, 1155 insertions, 783 deletions
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b/bootstrap/lib/compiler/ebin/cerl_trees.beam Binary files differindex df3f351c8d..49528c1635 100644 --- a/bootstrap/lib/compiler/ebin/cerl_trees.beam +++ b/bootstrap/lib/compiler/ebin/cerl_trees.beam diff --git a/bootstrap/lib/compiler/ebin/compile.beam b/bootstrap/lib/compiler/ebin/compile.beam Binary files differindex c685035e23..ae8f3ee903 100644 --- a/bootstrap/lib/compiler/ebin/compile.beam +++ b/bootstrap/lib/compiler/ebin/compile.beam diff --git a/bootstrap/lib/compiler/ebin/compiler.app b/bootstrap/lib/compiler/ebin/compiler.app index 5170231c59..a4a7dec7c3 100644 --- a/bootstrap/lib/compiler/ebin/compiler.app +++ b/bootstrap/lib/compiler/ebin/compiler.app @@ -18,8 +18,9 @@ {application, compiler, [{description, "ERTS CXC 138 10"}, - {vsn, "4.8.1"}, + {vsn, "4.8.2"}, {modules, [ + beam_a, beam_asm, beam_block, beam_bool, @@ -40,6 +41,7 @@ beam_type, beam_utils, beam_validator, + beam_z, cerl, cerl_clauses, cerl_inline, diff --git a/bootstrap/lib/compiler/ebin/core_lib.beam 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differindex 2907ee286b..e8492c52bc 100644 --- a/bootstrap/lib/stdlib/ebin/zip.beam +++ b/bootstrap/lib/stdlib/ebin/zip.beam diff --git a/erts/emulator/beam/erl_posix_str.c b/erts/emulator/beam/erl_posix_str.c index 02db10905b..deb7e3e173 100644 --- a/erts/emulator/beam/erl_posix_str.c +++ b/erts/emulator/beam/erl_posix_str.c @@ -619,6 +619,7 @@ erl_errno_id(error) case WSAEINVALIDPROVIDER: return "einvalidprovider"; #endif #ifdef WSAEPROVIDERFAILEDINIT + /* You could get this if SYSTEMROOT env variable is set incorrectly */ case WSAEPROVIDERFAILEDINIT: return "eproviderfailedinit"; #endif #ifdef WSASYSCALLFAILURE diff --git a/erts/emulator/beam/erl_resolv_dns.c b/erts/emulator/beam/erl_resolv_dns.c deleted file mode 100644 index 9d76fa89f8..0000000000 --- a/erts/emulator/beam/erl_resolv_dns.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. 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% - */ - -/* - * Set this to non-zero value if DNS should be used. - */ -int erl_use_resolver = 1; diff --git a/erts/emulator/beam/erl_resolv_nodns.c b/erts/emulator/beam/erl_resolv_nodns.c deleted file mode 100644 index f14ab68e27..0000000000 --- a/erts/emulator/beam/erl_resolv_nodns.c +++ /dev/null @@ -1,23 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. 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% - */ - -/* - * Set this to non-zero value if DNS should be used. - */ -int erl_use_resolver = 0; diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index dea910e89f..80f504a361 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -10095,6 +10095,7 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, } new_udesc->inet.state = INET_STATE_CONNECTED; new_udesc->inet.stype = SOCK_STREAM; + SET_NONBLOCKING(new_udesc->inet.s); inet_reply_ok_port(desc, new_udesc->inet.dport); (*rbuf)[0] = INET_REP; diff --git a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c index 13af7d861a..b214f87e4a 100644 --- a/erts/emulator/test/alloc_SUITE_data/bucket_mask.c +++ b/erts/emulator/test/alloc_SUITE_data/bucket_mask.c @@ -16,11 +16,19 @@ * $Id$ */ +#include "erl_int_sizes_config.h" + #include "testcase_driver.h" #include "allocator_test.h" #include <stdio.h> -#define SBCT (512*1024) +#ifdef __WIN32__ && SIZEOF_VOID_P == 8 +/* Use larger threashold for win64 as block alignment + is 16 bytes and not 8 */ +#define SBCT ((1024*1024)) +#else +#define SBCT ((512*1024)) +#endif char * testcase_name(void) diff --git a/erts/emulator/test/binary_SUITE.erl b/erts/emulator/test/binary_SUITE.erl index 58e0cb4096..babdb3363f 100644 --- a/erts/emulator/test/binary_SUITE.erl +++ b/erts/emulator/test/binary_SUITE.erl @@ -626,8 +626,32 @@ safe_binary_to_term2(Config) when is_list(Config) -> bad_terms(suite) -> []; bad_terms(Config) when is_list(Config) -> ?line test_terms(fun corrupter/1). - + +corrupter(Term) when is_function(Term); + is_function(hd(Term)); + is_function(element(2,element(2,element(2,Term)))) -> + %% Check if lists is native compiled. If it is, we do not try to + %% corrupt funs as this can create some very strange behaviour. + %% To show the error print `Byte` in the foreach fun in corrupter/2. + case erlang:system_info(hipe_architecture) of + undefined -> + corrupter0(Term); + Architecture -> + {lists, ListsBinary, _ListsFilename} = code:get_object_code(lists), + ChunkName = hipe_unified_loader:chunk_name(Architecture), + NativeChunk = beam_lib:chunks(ListsBinary, [ChunkName]), + case NativeChunk of + {ok,{_,[{_,Bin}]}} when is_binary(Bin) -> + S = io_lib:format("Skipping corruption of: ~P", [Term,12]), + io:put_chars(S); + {error, beam_lib, _} -> + corrupter0(Term) + end + end; corrupter(Term) -> + corrupter0(Term). + +corrupter0(Term) -> ?line try S = io_lib:format("About to corrupt: ~P", [Term,12]), io:put_chars(S) diff --git a/erts/emulator/test/save_calls_SUITE.erl b/erts/emulator/test/save_calls_SUITE.erl index 390b49b604..26ac4f2f7f 100644 --- a/erts/emulator/test/save_calls_SUITE.erl +++ b/erts/emulator/test/save_calls_SUITE.erl @@ -21,8 +21,10 @@ -include_lib("test_server/include/test_server.hrl"). --export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, - init_per_group/2,end_per_group/2]). +-export([all/0, suite/0,groups/0, + init_per_suite/1, end_per_suite/1, + init_per_group/2,end_per_group/2, + init_per_testcase/2,end_per_testcase/2]). -export([save_calls_1/1,dont_break_reductions/1]). @@ -48,6 +50,27 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +init_per_testcase(dont_break_reductions,Config) -> + %% Skip on --enable-native-libs as hipe rescedules after each + %% function call. + case erlang:system_info(hipe_architecture) of + undefined -> + Config; + Architecture -> + {lists, ListsBinary, _ListsFilename} = code:get_object_code(lists), + ChunkName = hipe_unified_loader:chunk_name(Architecture), + NativeChunk = beam_lib:chunks(ListsBinary, [ChunkName]), + case NativeChunk of + {ok,{_,[{_,Bin}]}} when is_binary(Bin) -> + {skip,"Does not work for --enable-native-libs"}; + {error, beam_lib, _} -> Config + end + end; +init_per_testcase(_,Config) -> + Config. + +end_per_testcase(_,_Config) -> + ok. dont_break_reductions(suite) -> []; diff --git a/erts/emulator/test/smoke_test_SUITE.erl b/erts/emulator/test/smoke_test_SUITE.erl index 98f1cf1ad5..71186d4942 100644 --- a/erts/emulator/test/smoke_test_SUITE.erl +++ b/erts/emulator/test/smoke_test_SUITE.erl @@ -51,7 +51,17 @@ end_per_group(_GroupName, Config) -> Config. +init_per_testcase(boot_combo = Case, Config) when is_list(Config) -> + case erlang:system_info(build_type) of + opt -> + init_per_tc(Case, Config); + _ -> + {skip,"Cannot test boot_combo in special builds since beam.* may not exist"} + end; init_per_testcase(Case, Config) when is_list(Config) -> + init_per_tc(Case, Config). + +init_per_tc(Case, Config) -> Dog = ?t:timetrap(?DEFAULT_TIMEOUT), [{testcase, Case},{watchdog, Dog}|Config]. @@ -121,18 +131,19 @@ start_node(Config) -> start_node(Config, ""). start_node(Config, Args) when is_list(Config) -> - ?line Pa = filename:dirname(code:which(?MODULE)), - ?line {A, B, C} = now(), - ?line Name = list_to_atom(atom_to_list(?MODULE) - ++ "-" - ++ atom_to_list(?config(testcase, Config)) - ++ "-" - ++ integer_to_list(A) - ++ "-" - ++ integer_to_list(B) - ++ "-" - ++ integer_to_list(C)), - ?line ?t:start_node(Name, slave, [{args, "-pa "++Pa++" "++Args}]). + Pa = filename:dirname(code:which(?MODULE)), + {A, B, C} = now(), + Name = list_to_atom(atom_to_list(?MODULE) + ++ "-" + ++ atom_to_list(?config(testcase, Config)) + ++ "-" + ++ integer_to_list(A) + ++ "-" + ++ integer_to_list(B) + ++ "-" + ++ integer_to_list(C)), + Opts = [{args, "-pa "++Pa++" "++Args}], + ?t:start_node(Name, slave, Opts). stop_node(Node) -> ?t:stop_node(Node). diff --git a/erts/etc/win32/nsis/Makefile b/erts/etc/win32/nsis/Makefile index f377a68c69..a53ac708f8 100644 --- a/erts/etc/win32/nsis/Makefile +++ b/erts/etc/win32/nsis/Makefile @@ -91,7 +91,7 @@ release_spec: fi;\ if [ '!' -z "$(REDIST_FILE)" -a '!' -z "$(REDIST_DLL_VERSION)" ];\ then \ - cp $(REDIST_FILE) "$(RELEASE_PATH)/$(REDIST_TARGET);"\ + cp $(REDIST_FILE) "$(RELEASE_PATH)/$(REDIST_TARGET)";\ echo '!define HAVE_REDIST_FILE 1' >> $(VERSION_HEADER); \ echo '!define REDIST_DLL_VERSION "$(REDIST_DLL_VERSION)"' >> $(VERSION_HEADER);\ echo '!define REDIST_DLL_NAME "$(REDIST_DLL_NAME)"' >> $(VERSION_HEADER);\ diff --git a/lib/common_test/test/ct_system_error_SUITE.erl b/lib/common_test/test/ct_system_error_SUITE.erl index f00f470c33..f2d6ef4b1b 100644 --- a/lib/common_test/test/ct_system_error_SUITE.erl +++ b/lib/common_test/test/ct_system_error_SUITE.erl @@ -87,7 +87,7 @@ test_server_failing_logs(Config) -> crash_test_server(Config) -> DataDir = ?config(data_dir, Config), - Root = ?config(priv_dir, Config), + Root = proplists:get_value(logdir, ct_test_support:get_opts(Config)), [$@|Host] = lists:dropwhile(fun(C) -> C =/= $@ end, atom_to_list(node())), diff --git a/lib/compiler/src/Makefile b/lib/compiler/src/Makefile index 958d3501c7..cbcbf79839 100644 --- a/lib/compiler/src/Makefile +++ b/lib/compiler/src/Makefile @@ -45,6 +45,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/compiler-$(VSN) # Target Specs # ---------------------------------------------------- MODULES = \ + beam_a \ beam_asm \ beam_block \ beam_bool \ @@ -65,6 +66,7 @@ MODULES = \ beam_type \ beam_utils \ beam_validator \ + beam_z \ cerl \ cerl_clauses \ cerl_inline \ diff --git a/lib/compiler/src/beam_a.erl b/lib/compiler/src/beam_a.erl new file mode 100644 index 0000000000..1c51226314 --- /dev/null +++ b/lib/compiler/src/beam_a.erl @@ -0,0 +1,97 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. 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: Run directly after code generation to do any normalization +%% or preparation to simplify the optimization passes. +%% (Mandatory.) + +-module(beam_a). + +-export([module/2]). + +module({Mod,Exp,Attr,Fs0,Lc}, _Opt) -> + Fs = [function(F) || F <- Fs0], + {ok,{Mod,Exp,Attr,Fs,Lc}}. + +function({function,Name,Arity,CLabel,Is0}) -> + try + %% Rename certain operations to simplify the optimization passes. + Is1 = rename_instrs(Is0), + + %% Remove unusued labels for cleanliness and to help + %% optimization passes and HiPE. + Is = beam_jump:remove_unused_labels(Is1), + {function,Name,Arity,CLabel,Is} + catch + Class:Error -> + Stack = erlang:get_stacktrace(), + io:fwrite("Function: ~w/~w\n", [Name,Arity]), + erlang:raise(Class, Error, Stack) + end. + +rename_instrs([{apply_last,A,N}|Is]) -> + [{apply,A},{deallocate,N},return|rename_instrs(Is)]; +rename_instrs([{call_last,A,F,N}|Is]) -> + [{call,A,F},{deallocate,N},return|rename_instrs(Is)]; +rename_instrs([{call_ext_last,A,F,N}|Is]) -> + [{call_ext,A,F},{deallocate,N},return|rename_instrs(Is)]; +rename_instrs([{call_only,A,F}|Is]) -> + [{call,A,F},return|rename_instrs(Is)]; +rename_instrs([{call_ext_only,A,F}|Is]) -> + [{call_ext,A,F},return|rename_instrs(Is)]; +rename_instrs([I|Is]) -> + [rename_instr(I)|rename_instrs(Is)]; +rename_instrs([]) -> []. + +rename_instr({bs_put_binary=I,F,Sz,U,Fl,Src}) -> + {bs_put,F,{I,U,Fl},[Sz,Src]}; +rename_instr({bs_put_float=I,F,Sz,U,Fl,Src}) -> + {bs_put,F,{I,U,Fl},[Sz,Src]}; +rename_instr({bs_put_integer=I,F,Sz,U,Fl,Src}) -> + {bs_put,F,{I,U,Fl},[Sz,Src]}; +rename_instr({bs_put_utf8=I,F,Fl,Src}) -> + {bs_put,F,{I,Fl},[Src]}; +rename_instr({bs_put_utf16=I,F,Fl,Src}) -> + {bs_put,F,{I,Fl},[Src]}; +rename_instr({bs_put_utf32=I,F,Fl,Src}) -> + {bs_put,F,{I,Fl},[Src]}; +%% rename_instr({bs_put_string,_,_}=I) -> +%% {bs_put,{f,0},I,[]}; +rename_instr({bs_add=I,F,[Src1,Src2,U],Dst}) when is_integer(U) -> + {bif,I,F,[Src1,Src2,{integer,U}],Dst}; +rename_instr({bs_utf8_size=I,F,Src,Dst}) -> + {bif,I,F,[Src],Dst}; +rename_instr({bs_utf16_size=I,F,Src,Dst}) -> + {bif,I,F,[Src],Dst}; +rename_instr({bs_init2=I,F,Sz,Extra,Live,Flags,Dst}) -> + {bs_init,F,{I,Extra,Flags},Live,[Sz],Dst}; +rename_instr({bs_init_bits=I,F,Sz,Extra,Live,Flags,Dst}) -> + {bs_init,F,{I,Extra,Flags},Live,[Sz],Dst}; +rename_instr({bs_append=I,F,Sz,Extra,Live,U,Src,Flags,Dst}) -> + {bs_init,F,{I,Extra,U,Flags},Live,[Sz,Src],Dst}; +rename_instr({bs_private_append=I,F,Sz,U,Src,Flags,Dst}) -> + {bs_init,F,{I,U,Flags},none,[Sz,Src],Dst}; +rename_instr(bs_init_writable=I) -> + {bs_init,{f,0},I,1,[{x,0}],{x,0}}; +rename_instr({select_val=I,Reg,Fail,{list,List}}) -> + {select,I,Reg,Fail,List}; +rename_instr({select_tuple_arity=I,Reg,Fail,{list,List}}) -> + {select,I,Reg,Fail,List}; +rename_instr(send) -> + {call_ext,2,send}; +rename_instr(I) -> I. diff --git a/lib/compiler/src/beam_block.erl b/lib/compiler/src/beam_block.erl index cd568097fa..3e0050382c 100644 --- a/lib/compiler/src/beam_block.erl +++ b/lib/compiler/src/beam_block.erl @@ -31,19 +31,16 @@ module({Mod,Exp,Attr,Fs0,Lc0}, _Opt) -> function({function,Name,Arity,CLabel,Is0}, Lc0) -> try - %% Extra labels may thwart optimizations. - Is1 = beam_jump:remove_unused_labels(Is0), - %% Collect basic blocks and optimize them. - Is2 = blockify(Is1), - Is3 = embed_lines(Is2), - Is4 = move_allocates(Is3), - Is5 = beam_utils:live_opt(Is4), - Is6 = opt_blocks(Is5), - Is7 = beam_utils:delete_live_annos(Is6), + Is1 = blockify(Is0), + Is2 = embed_lines(Is1), + Is3 = move_allocates(Is2), + Is4 = beam_utils:live_opt(Is3), + Is5 = opt_blocks(Is4), + Is6 = beam_utils:delete_live_annos(Is5), %% Optimize bit syntax. - {Is,Lc} = bsm_opt(Is7, Lc0), + {Is,Lc} = bsm_opt(Is6, Lc0), %% Done. {{function,Name,Arity,CLabel,Is},Lc} @@ -74,9 +71,9 @@ blockify([{bs_save2,R,Point}=I,{test,is_eq_exact,_,_}=Test, %% Do other peep-hole optimizations. blockify([{test,is_atom,{f,Fail},[Reg]}=I| - [{select_val,Reg,{f,Fail}, - {list,[{atom,false},{f,_}=BrFalse, - {atom,true}=AtomTrue,{f,_}=BrTrue]}}|Is]=Is0], + [{select,select_val,Reg,{f,Fail}, + [{atom,false},{f,_}=BrFalse, + {atom,true}=AtomTrue,{f,_}=BrTrue]}|Is]=Is0], [{block,Bl}|_]=Acc) -> case is_last_bool(Bl, Reg) of false -> @@ -89,9 +86,9 @@ blockify([{test,is_atom,{f,Fail},[Reg]}=I| {test,is_eq_exact,BrFalse,[Reg,AtomTrue]}|Acc]) end; blockify([{test,is_atom,{f,Fail},[Reg]}=I| - [{select_val,Reg,{f,Fail}, - {list,[{atom,true}=AtomTrue,{f,_}=BrTrue, - {atom,false},{f,_}=BrFalse]}}|Is]=Is0], + [{select,select_val,Reg,{f,Fail}, + [{atom,true}=AtomTrue,{f,_}=BrTrue, + {atom,false},{f,_}=BrFalse]}|Is]=Is0], [{block,Bl}|_]=Acc) -> case is_last_bool(Bl, Reg) of false -> @@ -423,8 +420,8 @@ inverse_comp_op(_) -> none. %%% Evaluation of constant bit fields. %%% -is_bs_put({bs_put_integer,_,_,_,_,_}) -> true; -is_bs_put({bs_put_float,_,_,_,_,_}) -> true; +is_bs_put({bs_put,_,{bs_put_integer,_,_},_}) -> true; +is_bs_put({bs_put,_,{bs_put_float,_,_},_}) -> true; is_bs_put(_) -> false. collect_bs_puts(Is) -> @@ -439,20 +436,24 @@ collect_bs_puts_1([I|Is]=Is0, Acc) -> opt_bs_puts(Is) -> opt_bs_1(Is, []). -opt_bs_1([{bs_put_float,Fail,{integer,Sz},1,Flags0,Src}=I0|Is], Acc) -> +opt_bs_1([{bs_put,Fail, + {bs_put_float,1,Flags0},[{integer,Sz},Src]}=I0|Is], Acc) -> try eval_put_float(Src, Sz, Flags0) of <<Int:Sz>> -> Flags = force_big(Flags0), - I = {bs_put_integer,Fail,{integer,Sz},1,Flags,{integer,Int}}, + I = {bs_put,Fail,{bs_put_integer,1,Flags}, + [{integer,Sz},{integer,Int}]}, opt_bs_1([I|Is], Acc) catch error:_ -> opt_bs_1(Is, [I0|Acc]) end; -opt_bs_1([{bs_put_integer,_,{integer,8},1,_,{integer,_}}|_]=IsAll, Acc0) -> +opt_bs_1([{bs_put,_,{bs_put_integer,1,_},[{integer,8},{integer,_}]}|_]=IsAll, + Acc0) -> {Is,Acc} = bs_collect_string(IsAll, Acc0), opt_bs_1(Is, Acc); -opt_bs_1([{bs_put_integer,Fail,{integer,Sz},1,F,{integer,N}}=I|Is0], Acc) when Sz > 8 -> +opt_bs_1([{bs_put,Fail,{bs_put_integer,1,F},[{integer,Sz},{integer,N}]}=I|Is0], + Acc) when Sz > 8 -> case field_endian(F) of big -> %% We can do this optimization for any field size without risk @@ -466,14 +467,14 @@ opt_bs_1([{bs_put_integer,Fail,{integer,Sz},1,F,{integer,N}}=I|Is0], Acc) when S %% an explosion in code size. <<Int:Sz>> = <<N:Sz/little>>, Flags = force_big(F), - Is = [{bs_put_integer,Fail,{integer,Sz},1, - Flags,{integer,Int}}|Is0], + Is = [{bs_put,Fail,{bs_put_integer,1,Flags}, + [{integer,Sz},{integer,Int}]}|Is0], opt_bs_1(Is, Acc); _ -> %native or too wide little field opt_bs_1(Is0, [I|Acc]) end; -opt_bs_1([{Op,Fail,{integer,Sz},U,F,Src}|Is], Acc) when U > 1 -> - opt_bs_1([{Op,Fail,{integer,U*Sz},1,F,Src}|Is], Acc); +opt_bs_1([{bs_put,Fail,{Op,U,F},[{integer,Sz},Src]}|Is], Acc) when U > 1 -> + opt_bs_1([{bs_put,Fail,{Op,1,F},[{integer,U*Sz},Src]}|Is], Acc); opt_bs_1([I|Is], Acc) -> opt_bs_1(Is, [I|Acc]); opt_bs_1([], Acc) -> reverse(Acc). @@ -489,17 +490,17 @@ eval_put_float(Src, Sz, Flags) when Sz =< 256 -> %Only evaluate if Sz is reasona value({integer,I}) -> I; value({float,F}) -> F. -bs_collect_string(Is, [{bs_put_string,Len,{string,Str}}|Acc]) -> +bs_collect_string(Is, [{bs_put,_,{bs_put_string,Len,{string,Str}},[]}|Acc]) -> bs_coll_str_1(Is, Len, reverse(Str), Acc); bs_collect_string(Is, Acc) -> bs_coll_str_1(Is, 0, [], Acc). -bs_coll_str_1([{bs_put_integer,_,{integer,Sz},U,_,{integer,V}}|Is], +bs_coll_str_1([{bs_put,_,{bs_put_integer,U,_},[{integer,Sz},{integer,V}]}|Is], Len, StrAcc, IsAcc) when U*Sz =:= 8 -> Byte = V band 16#FF, bs_coll_str_1(Is, Len+1, [Byte|StrAcc], IsAcc); bs_coll_str_1(Is, Len, StrAcc, IsAcc) -> - {Is,[{bs_put_string,Len,{string,reverse(StrAcc)}}|IsAcc]}. + {Is,[{bs_put,{f,0},{bs_put_string,Len,{string,reverse(StrAcc)}},[]}|IsAcc]}. field_endian({field_flags,F}) -> field_endian_1(F). @@ -531,15 +532,17 @@ bs_split_int(N, Sz, Fail, Acc) -> bs_split_int_1(N, FirstByteSz, Sz, Fail, Acc). bs_split_int_1(-1, _, Sz, Fail, Acc) when Sz > 64 -> - I = {bs_put_integer,Fail,{integer,Sz},1,{field_flags,[big]},{integer,-1}}, + I = {bs_put,Fail,{bs_put_integer,1,{field_flags,[big]}}, + [{integer,Sz},{integer,-1}]}, [I|Acc]; bs_split_int_1(0, _, Sz, Fail, Acc) when Sz > 64 -> - I = {bs_put_integer,Fail,{integer,Sz},1,{field_flags,[big]},{integer,0}}, + I = {bs_put,Fail,{bs_put_integer,1,{field_flags,[big]}}, + [{integer,Sz},{integer,0}]}, [I|Acc]; bs_split_int_1(N, ByteSz, Sz, Fail, Acc) when Sz > 0 -> Mask = (1 bsl ByteSz) - 1, - I = {bs_put_integer,Fail,{integer,ByteSz},1, - {field_flags,[big]},{integer,N band Mask}}, + I = {bs_put,Fail,{bs_put_integer,1,{field_flags,[big]}}, + [{integer,ByteSz},{integer,N band Mask}]}, bs_split_int_1(N bsr ByteSz, 8, Sz-ByteSz, Fail, [I|Acc]); bs_split_int_1(_, _, _, _, Acc) -> Acc. @@ -577,9 +580,9 @@ bsm_reroute([{bs_restore2,Reg,Save}=I|Is], D, _, Acc) -> bsm_reroute(Is, D, {Reg,Save}, [I|Acc]); bsm_reroute([{label,_}=I|Is], D, S, Acc) -> bsm_reroute(Is, D, S, [I|Acc]); -bsm_reroute([{select_val,Reg,F0,{list,Lbls0}}|Is], D, {_,Save}=S, Acc0) -> +bsm_reroute([{select,select_val,Reg,F0,Lbls0}|Is], D, {_,Save}=S, Acc0) -> [F|Lbls] = bsm_subst_labels([F0|Lbls0], Save, D), - Acc = [{select_val,Reg,F,{list,Lbls}}|Acc0], + Acc = [{select,select_val,Reg,F,Lbls}|Acc0], bsm_reroute(Is, D, S, Acc); bsm_reroute([{test,TestOp,F0,TestArgs}=I|Is], D, {_,Save}=S, Acc0) -> F = bsm_subst_label(F0, Save, D), @@ -615,10 +618,6 @@ bsm_opt_2([{test,bs_skip_bits2,F,[Ctx,{integer,I1},Unit1,_]}|Is], [{test,bs_skip_bits2,F,[Ctx,{integer,I2},Unit2,Flags]}|Acc]) -> bsm_opt_2(Is, [{test,bs_skip_bits2,F, [Ctx,{integer,I1*Unit1+I2*Unit2},1,Flags]}|Acc]); -bsm_opt_2([{test,bs_match_string,F,[Ctx,Bin1]}, - {test,bs_match_string,F,[Ctx,Bin2]}|Is], Acc) -> - I = {test,bs_match_string,F,[Ctx,<<Bin1/bitstring,Bin2/bitstring>>]}, - bsm_opt_2([I|Is], Acc); bsm_opt_2([I|Is], Acc) -> bsm_opt_2(Is, [I|Acc]); bsm_opt_2([], Acc) -> reverse(Acc). diff --git a/lib/compiler/src/beam_bool.erl b/lib/compiler/src/beam_bool.erl index d9ea6f5a70..81be262d6d 100644 --- a/lib/compiler/src/beam_bool.erl +++ b/lib/compiler/src/beam_bool.erl @@ -168,18 +168,18 @@ bopt_block(Reg, Fail, OldIs, [{block,Bl0}|Acc0], St0) -> end. %% ensure_opt_safe(OriginalCode, OptCode, FollowingCode, Fail, -%% ReversedPreceedingCode, State) -> ok +%% ReversedPrecedingCode, State) -> ok %% Comparing the original code to the optimized code, determine %% whether the optimized code is guaranteed to work in the same %% way as the original code. %% %% Throw an exception if the optimization is not safe. %% -ensure_opt_safe(Bl, NewCode, OldIs, Fail, PreceedingCode, St) -> +ensure_opt_safe(Bl, NewCode, OldIs, Fail, PrecedingCode, St) -> %% Here are the conditions that must be true for the %% optimization to be safe. %% - %% 1. If a register is INITIALIZED by PreceedingCode, + %% 1. If a register is INITIALIZED by PrecedingCode, %% then if that register assigned a value in the original %% code, but not in the optimized code, it must be UNUSED or KILLED %% in the code that follows. @@ -190,29 +190,50 @@ ensure_opt_safe(Bl, NewCode, OldIs, Fail, PreceedingCode, St) -> %% by the code that follows. %% %% 3. Any register that is assigned a value in the optimized - %% code must be UNUSED or KILLED in the following code - %% (because the register might be assigned the wrong value, - %% and even if the value is right it might no longer be - %% assigned on *all* paths leading to its use). + %% code must be UNUSED or KILLED in the following code, + %% unless we can be sure that it is always assigned the same + %% value. - InitInPreceeding = initialized_regs(PreceedingCode), + InitInPreceding = initialized_regs(PrecedingCode), PrevDst = dst_regs(Bl), NewDst = dst_regs(NewCode), NotSet = ordsets:subtract(PrevDst, NewDst), - MustBeKilled = ordsets:subtract(NotSet, InitInPreceeding), - MustBeUnused = ordsets:subtract(ordsets:union(NotSet, NewDst), MustBeKilled), + MustBeKilled = ordsets:subtract(NotSet, InitInPreceding), case all_killed(MustBeKilled, OldIs, Fail, St) of false -> throw(all_registers_not_killed); true -> ok end, + Same = assigned_same_value(Bl, NewCode), + MustBeUnused = ordsets:subtract(ordsets:union(NotSet, NewDst), + ordsets:union(MustBeKilled, Same)), case none_used(MustBeUnused, OldIs, Fail, St) of false -> throw(registers_used); true -> ok end, ok. +%% assigned_same_value(OldCode, NewCodeReversed) -> [DestinationRegs] +%% Return an ordset with a list of all y registers that are always +%% assigned the same value in the old and new code. Currently, we +%% are very conservative in that we only consider identical move +%% instructions in the same order. +%% +assigned_same_value(Old, New) -> + case reverse(New) of + [{block,Bl}|_] -> + assigned_same_value(Old, Bl, []); + _ -> + ordsets:new() + end. + +assigned_same_value([{set,[{y,_}=D],[S],move}|T1], + [{set,[{y,_}=D],[S],move}|T2], Acc) -> + assigned_same_value(T1, T2, [D|Acc]); +assigned_same_value(_, _, Acc) -> + ordsets:from_list(Acc). + update_fail_label([{set,_,_,move}=I|Is], Fail, Acc) -> update_fail_label(Is, Fail, [I|Acc]); update_fail_label([{set,Ds,As,{bif,N,{f,_}}}|Is], Fail, Acc) -> diff --git a/lib/compiler/src/beam_bsm.erl b/lib/compiler/src/beam_bsm.erl index 1217f7f777..37053e1cc4 100644 --- a/lib/compiler/src/beam_bsm.erl +++ b/lib/compiler/src/beam_bsm.erl @@ -204,16 +204,6 @@ btb_reaches_match_1(Is, Regs, D) -> btb_reaches_match_2([{block,Bl}|Is], Regs0, D) -> Regs = btb_reaches_match_block(Bl, Regs0), btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{call_only,Arity,{f,Lbl}}|_], Regs0, D) -> - Regs = btb_kill_not_live(Arity, Regs0), - btb_tail_call(Lbl, Regs, D); -btb_reaches_match_2([{call_ext_only,Arity,Func}|_], Regs0, D) -> - Regs = btb_kill_not_live(Arity, Regs0), - btb_tail_call(Func, Regs, D); -btb_reaches_match_2([{call_last,Arity,{f,Lbl},_}|_], Regs0, D) -> - Regs1 = btb_kill_not_live(Arity, Regs0), - Regs = btb_kill_yregs(Regs1), - btb_tail_call(Lbl, Regs, D); btb_reaches_match_2([{call,Arity,{f,Lbl}}|Is], Regs, D) -> btb_call(Arity, Lbl, Regs, Is, D); btb_reaches_match_2([{apply,Arity}|Is], Regs, D) -> @@ -222,19 +212,16 @@ btb_reaches_match_2([{call_fun,Live}=I|Is], Regs, D) -> btb_call(Live, I, Regs, Is, D); btb_reaches_match_2([{make_fun2,_,_,_,Live}|Is], Regs, D) -> btb_call(Live, make_fun2, Regs, Is, D); -btb_reaches_match_2([{call_ext,Arity,{extfunc,Mod,Name,Arity}=Func}|Is], Regs0, D) -> +btb_reaches_match_2([{call_ext,Arity,Func}=I|Is], Regs0, D) -> %% Allow us scanning beyond the call in case the match %% context is saved on the stack. - case erl_bifs:is_exit_bif(Mod, Name, Arity) of + case beam_jump:is_exit_instruction(I) of false -> btb_call(Arity, Func, Regs0, Is, D); true -> Regs = btb_kill_not_live(Arity, Regs0), btb_tail_call(Func, Regs, D) end; -btb_reaches_match_2([{call_ext_last,Arity,_,_}=I|_], Regs, D) -> - btb_ensure_not_used(btb_regs_from_arity(Arity), I, Regs), - D; btb_reaches_match_2([{kill,Y}|Is], Regs, D) -> btb_reaches_match_1(Is, btb_kill([Y], Regs), D); btb_reaches_match_2([{deallocate,_}|Is], Regs0, D) -> @@ -278,12 +265,7 @@ btb_reaches_match_2([{test,_,{f,F},_,Ss,_}=I|Is], Regs, D0) -> btb_ensure_not_used(Ss, I, Regs), D = btb_follow_branch(F, Regs, D0), btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{select_val,Src,{f,F},{list,Conds}}=I|Is], Regs, D0) -> - btb_ensure_not_used([Src], I, Regs), - D1 = btb_follow_branch(F, Regs, D0), - D = btb_follow_branches(Conds, Regs, D1), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{select_tuple_arity,Src,{f,F},{list,Conds}}=I|Is], Regs, D0) -> +btb_reaches_match_2([{select,_,Src,{f,F},Conds}=I|Is], Regs, D0) -> btb_ensure_not_used([Src], I, Regs), D1 = btb_follow_branch(F, Regs, D0), D = btb_follow_branches(Conds, Regs, D1), @@ -293,46 +275,11 @@ btb_reaches_match_2([{jump,{f,Lbl}}|_], Regs, #btb{index=Li}=D) -> btb_reaches_match_2(Is, Regs, D); btb_reaches_match_2([{label,_}|Is], Regs, D) -> btb_reaches_match_2(Is, Regs, D); -btb_reaches_match_2([{bs_add,{f,0},_,Dst}|Is], Regs, D) -> - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([bs_init_writable|Is], Regs0, D) -> - Regs = btb_kill_not_live(0, Regs0), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_init2,{f,0},_,_,_,_,Dst}|Is], Regs, D) -> - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_init_bits,{f,0},_,_,_,_,Dst}|Is], Regs, D) -> - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_append,{f,0},_,_,_,_,Src,_,Dst}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_private_append,{f,0},_,_,Src,_,Dst}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_put_integer,{f,0},_,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_put_float,{f,0},_,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_put_binary,{f,0},_,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_put_string,_,_}|Is], Regs, D) -> - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_utf8_size,_,Src,Dst}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_utf16_size,_,Src,Dst}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), +btb_reaches_match_2([{bs_init,{f,0},_,_,Ss,Dst}=I|Is], Regs, D) -> + btb_ensure_not_used(Ss, I, Regs), btb_reaches_match_1(Is, btb_kill([Dst], Regs), D); -btb_reaches_match_2([{bs_put_utf8,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_put_utf16,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), - btb_reaches_match_1(Is, Regs, D); -btb_reaches_match_2([{bs_put_utf32,_,_,Src}=I|Is], Regs, D) -> - btb_ensure_not_used([Src], I, Regs), +btb_reaches_match_2([{bs_put,{f,0},_,Ss}=I|Is], Regs, D) -> + btb_ensure_not_used(Ss, I, Regs), btb_reaches_match_1(Is, Regs, D); btb_reaches_match_2([{bs_restore2,Src,_}=I|Is], Regs0, D) -> case btb_contains_context(Src, Regs0) of @@ -389,13 +336,16 @@ btb_call(Arity, Lbl, Regs0, Is, D0) -> %% First handle the call as if it were a tail call. D = btb_tail_call(Lbl, Regs, D0), - %% No problem so far, but now we must make sure that - %% we don't have any copies of the match context - %% tucked away in an y register. + %% No problem so far (the called function can handle a + %% match context). Now we must make sure that the rest + %% of this function following the call does not attempt + %% to use the match context in case there is a copy + %% tucked away in a y register. RegList = btb_context_regs(Regs), - case [R || {y,_}=R <- RegList] of - [] -> D; - [_|_] -> btb_error({multiple_uses,RegList}) + YRegs = [R || {y,_}=R <- RegList], + case btb_are_all_killed(YRegs, Is, D) of + true -> D; + false -> btb_error({multiple_uses,RegList}) end; true -> %% No match context in any x register. It could have been @@ -475,15 +425,6 @@ btb_reaches_match_block([{set,Ds,Ss,_}=I|Is], Regs0) -> btb_reaches_match_block([], Regs) -> Regs. -%% btb_regs_from_arity(Arity) -> [Register]) -%% Create a list of x registers from a function arity. - -btb_regs_from_arity(Arity) -> - btb_regs_from_arity_1(Arity, []). - -btb_regs_from_arity_1(0, Acc) -> Acc; -btb_regs_from_arity_1(N, Acc) -> btb_regs_from_arity_1(N-1, [{x,N-1}|Acc]). - %% btb_are_all_killed([Register], [Instruction], D) -> true|false %% Test whether all of the register are killed in the instruction stream. diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl index a7994ab3b3..26ba93b91c 100644 --- a/lib/compiler/src/beam_clean.erl +++ b/lib/compiler/src/beam_clean.erl @@ -74,10 +74,6 @@ find_all_used([], _All, Used) -> Used. update_work_list([{call,_,{f,L}}|Is], Sets) -> update_work_list(Is, add_to_work_list(L, Sets)); -update_work_list([{call_last,_,{f,L},_}|Is], Sets) -> - update_work_list(Is, add_to_work_list(L, Sets)); -update_work_list([{call_only,_,{f,L}}|Is], Sets) -> - update_work_list(Is, add_to_work_list(L, Sets)); update_work_list([{make_fun2,{f,L},_,_,_}|Is], Sets) -> update_work_list(Is, add_to_work_list(L, Sets)); update_work_list([_|Is], Sets) -> @@ -200,7 +196,7 @@ replace([{test,Test,{f,Lbl},Ops}|Is], Acc, D) -> replace(Is, [{test,Test,{f,label(Lbl, D)},Ops}|Acc], D); replace([{test,Test,{f,Lbl},Live,Ops,Dst}|Is], Acc, D) -> replace(Is, [{test,Test,{f,label(Lbl, D)},Live,Ops,Dst}|Acc], D); -replace([{select_val,R,{f,Fail0},{list,Vls0}}|Is], Acc, D) -> +replace([{select,I,R,{f,Fail0},Vls0}|Is], Acc, D) -> Vls1 = map(fun ({f,L}) -> {f,label(L, D)}; (Other) -> Other end, Vls0), Fail = label(Fail0, D), @@ -210,12 +206,8 @@ replace([{select_val,R,{f,Fail0},{list,Vls0}}|Is], Acc, D) -> %% Convert to a plain jump. replace(Is, [{jump,{f,Fail}}|Acc], D); Vls -> - replace(Is, [{select_val,R,{f,Fail},{list,Vls}}|Acc], D) + replace(Is, [{select,I,R,{f,Fail},Vls}|Acc], D) end; -replace([{select_tuple_arity,R,{f,Fail},{list,Vls0}}|Is], Acc, D) -> - Vls = map(fun ({f,L}) -> {f,label(L, D)}; - (Other) -> Other end, Vls0), - replace(Is, [{select_tuple_arity,R,{f,label(Fail, D)},{list,Vls}}|Acc], D); replace([{'try',R,{f,Lbl}}|Is], Acc, D) -> replace(Is, [{'try',R,{f,label(Lbl, D)}}|Acc], D); replace([{'catch',R,{f,Lbl}}|Is], Acc, D) -> @@ -236,37 +228,12 @@ replace([{gc_bif,Name,{f,Lbl},Live,As,R}|Is], Acc, D) when Lbl =/= 0 -> replace(Is, [{gc_bif,Name,{f,label(Lbl, D)},Live,As,R}|Acc], D); replace([{call,Ar,{f,Lbl}}|Is], Acc, D) -> replace(Is, [{call,Ar,{f,label(Lbl,D)}}|Acc], D); -replace([{call_last,Ar,{f,Lbl},N}|Is], Acc, D) -> - replace(Is, [{call_last,Ar,{f,label(Lbl,D)},N}|Acc], D); -replace([{call_only,Ar,{f,Lbl}}|Is], Acc, D) -> - replace(Is, [{call_only,Ar,{f,label(Lbl, D)}}|Acc], D); replace([{make_fun2,{f,Lbl},U1,U2,U3}|Is], Acc, D) -> replace(Is, [{make_fun2,{f,label(Lbl, D)},U1,U2,U3}|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([{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([I|Is], Acc, D) -> replace(Is, [I|Acc], D); replace([], Acc, _) -> Acc. diff --git a/lib/compiler/src/beam_dead.erl b/lib/compiler/src/beam_dead.erl index 5f12a98f09..92d8e5acb3 100644 --- a/lib/compiler/src/beam_dead.erl +++ b/lib/compiler/src/beam_dead.erl @@ -182,7 +182,7 @@ forward(Is, Lc) -> forward([{block,[]}|Is], D, Lc, Acc) -> %% Empty blocks can prevent optimizations. forward(Is, D, Lc, Acc); -forward([{select_val,Reg,_,{list,List}}=I|Is], D0, Lc, Acc) -> +forward([{select,select_val,Reg,_,List}=I|Is], D0, Lc, Acc) -> D = update_value_dict(List, Reg, D0), forward(Is, D, Lc, [I|Acc]); forward([{label,Lbl}=LblI,{block,[{set,[Dst],[Lit],move}|BlkIs]}=Blk|Is], D, Lc, Acc) -> @@ -271,11 +271,11 @@ backward([{test,is_eq_exact,Fail,[Dst,{integer,Arity}]}=I| end; backward([{label,Lbl}=L|Is], D, Acc) -> backward(Is, beam_utils:index_label(Lbl, Acc, D), [L|Acc]); -backward([{select_val,Reg,{f,Fail0},{list,List0}}|Is], D, Acc) -> +backward([{select,select_val,Reg,{f,Fail0},List0}|Is], D, Acc) -> List = shortcut_select_list(List0, Reg, D, []), Fail1 = shortcut_label(Fail0, D), Fail = shortcut_bs_test(Fail1, Is, D), - Sel = {select_val,Reg,{f,Fail},{list,List}}, + Sel = {select,select_val,Reg,{f,Fail},List}, backward(Is, D, [Sel|Acc]); backward([{jump,{f,To0}},{move,Src,Reg}=Move0|Is], D, Acc) -> {To,Move} = case Src of @@ -382,7 +382,7 @@ shortcut_select_label(To0, Reg, Val, D) -> case beam_utils:code_at(To0, D) of [{jump,{f,To}}|_] -> shortcut_select_label(To, Reg, Val, D); - [{test,is_atom,_,[Reg]},{select_val,Reg,{f,Fail},{list,Map}}|_] -> + [{test,is_atom,_,[Reg]},{select,select_val,Reg,{f,Fail},Map}|_] -> To = find_select_val(Map, Val, Fail), shortcut_select_label(To, Reg, Val, D); [{test,is_eq_exact,{f,_},[Reg,{atom,Val}]},{label,To}|_] when is_atom(Val) -> @@ -472,10 +472,10 @@ combine_eqs(To, [Reg,{Type,_}=Lit1]=Ops, D, [{label,L1}|_]) case beam_utils:code_at(To, D) of [{test,is_eq_exact,{f,F2},[Reg,{Type,_}=Lit2]}, {label,L2}|_] when Lit1 =/= Lit2 -> - {select_val,Reg,{f,F2},{list,[Lit1,{f,L1},Lit2,{f,L2}]}}; - [{select_val,Reg,{f,F2},{list,[{Type,_}|_]=List0}}|_] -> + {select,select_val,Reg,{f,F2},[Lit1,{f,L1},Lit2,{f,L2}]}; + [{select,select_val,Reg,{f,F2},[{Type,_}|_]=List0}|_] -> List = remove_from_list(Lit1, List0), - {select_val,Reg,{f,F2},{list,[Lit1,{f,L1}|List]}}; + {select,select_val,Reg,{f,F2},[Lit1,{f,L1}|List]}; _Is -> {test,is_eq_exact,{f,To},Ops} end; @@ -527,6 +527,8 @@ count_bits_matched([{test,_,_,_,[_,Sz,U,{field_flags,_}],_}|Is], SavePoint, Bits {integer,N} -> count_bits_matched(Is, SavePoint, Bits+N*U); _ -> count_bits_matched(Is, SavePoint, Bits) end; +count_bits_matched([{test,bs_match_string,_,[_,Bits,_]}|Is], SavePoint, Bits0) -> + count_bits_matched(Is, SavePoint, Bits0+Bits); count_bits_matched([{test,_,_,_}|Is], SavePoint, Bits) -> count_bits_matched(Is, SavePoint, Bits); count_bits_matched([{bs_save2,Reg,SavePoint}|_], {Reg,SavePoint}, Bits) -> diff --git a/lib/compiler/src/beam_except.erl b/lib/compiler/src/beam_except.erl index fb1a43cd9e..14e9943f88 100644 --- a/lib/compiler/src/beam_except.erl +++ b/lib/compiler/src/beam_except.erl @@ -65,10 +65,6 @@ function_1(Is0) -> translate([{call_ext,Ar,{extfunc,erlang,error,Ar}}=I|Is], St, Acc) -> translate_1(Ar, I, Is, St, Acc); -translate([{call_ext_only,Ar,{extfunc,erlang,error,Ar}}=I|Is], St, Acc) -> - translate_1(Ar, I, Is, St, Acc); -translate([{call_ext_last,Ar,{extfunc,erlang,error,Ar},_}=I|Is], St, Acc) -> - translate_1(Ar, I, Is, St, Acc); translate([I|Is], St, Acc) -> translate(Is, St, [I|Acc]); translate([], _, Acc) -> diff --git a/lib/compiler/src/beam_flatten.erl b/lib/compiler/src/beam_flatten.erl index 6c7cb849aa..04232d8fd2 100644 --- a/lib/compiler/src/beam_flatten.erl +++ b/lib/compiler/src/beam_flatten.erl @@ -79,49 +79,28 @@ norm_allocate({nozero,Ns,Nh,Inits}, Regs) -> %% insert_alloc_in_bs_init(ReverseInstructionStream, AllocationInfo) -> %% impossible | ReverseInstructionStream' -%% A bs_init2/6 instruction should not be followed by a test heap instruction. +%% A bs_init/6 instruction should not be followed by a test heap instruction. %% Given the AllocationInfo from a test heap instruction, merge the -%% allocation amounts into the previous bs_init2/6 instruction (if any). +%% allocation amounts into the previous bs_init/6 instruction (if any). %% -insert_alloc_in_bs_init([I|_]=Is, Alloc) -> - case is_bs_constructor(I) of - false -> impossible; - true -> insert_alloc_1(Is, Alloc, []) - end. - -insert_alloc_1([{bs_init2=Op,Fail,Bs,Ws1,Regs,F,Dst}|Is], {_,nostack,Ws2,[]}, Acc) -> - Al = beam_utils:combine_heap_needs(Ws1, Ws2), - I = {Op,Fail,Bs,Al,Regs,F,Dst}, - reverse(Acc, [I|Is]); -insert_alloc_1([{bs_init_bits=Op,Fail,Bs,Ws1,Regs,F,Dst}|Is], {_,nostack,Ws2,[]}, Acc) -> - Al = beam_utils:combine_heap_needs(Ws1, Ws2), - I = {Op,Fail,Bs,Al,Regs,F,Dst}, - reverse(Acc, [I|Is]); -insert_alloc_1([{bs_append,Fail,Sz,Ws1,Regs,U,Bin,Fl,Dst}|Is], - {_,nostack,Ws2,[]}, Acc) -> +insert_alloc_in_bs_init([{bs_put,_,_,_}=I|Is], Alloc) -> + %% The instruction sequence ends with an bs_put/4 instruction. + %% We'll need to search backwards for the bs_init/6 instruction. + insert_alloc_1(Is, Alloc, [I]); +insert_alloc_in_bs_init(_, _) -> impossible. + +insert_alloc_1([{bs_init=Op,Fail,Info0,Live,Ss,Dst}|Is], + {_,nostack,Ws2,[]}, Acc) when is_integer(Live) -> + %% The number of extra heap words is always in the second position + %% in the Info tuple. + Ws1 = element(2, Info0), Al = beam_utils:combine_heap_needs(Ws1, Ws2), - I = {bs_append,Fail,Sz,Al,Regs,U,Bin,Fl,Dst}, + Info = setelement(2, Info0, Al), + I = {Op,Fail,Info,Live,Ss,Dst}, reverse(Acc, [I|Is]); -insert_alloc_1([I|Is], Alloc, Acc) -> +insert_alloc_1([{bs_put,_,_,_}=I|Is], Alloc, Acc) -> insert_alloc_1(Is, Alloc, [I|Acc]). - -%% is_bs_constructor(Instruction) -> true|false. -%% Test whether the instruction is a bit syntax construction -%% instruction that can occur at the end of a bit syntax -%% construction. (Since an empty binary would be expressed -%% as a literal, the bs_init2/6 instruction will not occur -%% at the end and therefore it is no need to test for it here.) -%% -is_bs_constructor({bs_put_integer,_,_,_,_,_}) -> true; -is_bs_constructor({bs_put_utf8,_,_,_}) -> true; -is_bs_constructor({bs_put_utf16,_,_,_}) -> true; -is_bs_constructor({bs_put_utf32,_,_,_}) -> true; -is_bs_constructor({bs_put_float,_,_,_,_,_}) -> true; -is_bs_constructor({bs_put_binary,_,_,_,_,_}) -> true; -is_bs_constructor({bs_put_string,_,_}) -> true; -is_bs_constructor(_) -> false. - %% opt(Is0) -> Is %% Simple peep-hole optimization to move a {move,Any,{x,0}} past %% any kill up to the next call instruction. (To give the loader diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl index db67d24514..b05d01b2a1 100644 --- a/lib/compiler/src/beam_jump.erl +++ b/lib/compiler/src/beam_jump.erl @@ -20,7 +20,7 @@ -module(beam_jump). --export([module/2,module_labels/1, +-export([module/2, is_unreachable_after/1,is_exit_instruction/1, remove_unused_labels/1,is_label_used_in/2]). @@ -46,10 +46,13 @@ %%% such as a jump that never transfers control to the instruction %%% following it. %%% -%%% (2) case_end, if_end, and badmatch, and function calls that cause an -%%% exit (such as calls to exit/1) are moved to the end of the function. -%%% The purpose is to allow further optimizations at the place from -%%% which the code was moved. +%%% (2) Short sequences starting with a label and ending in case_end, if_end, +%%% and badmatch, and function calls that cause an exit (such as calls +%%% to exit/1) are moved to the end of the function, but only if the +%%% the block is not entered via a fallthrough. The purpose of this move +%%% is to allow further optimizations at the place from which the +%%% code was moved (a jump around the block could be replaced with a +%%% fallthrough). %%% %%% (3) Any unreachable code is removed. Unreachable code is code %%% after jump, call_last and other instructions which never @@ -130,13 +133,6 @@ module({Mod,Exp,Attr,Fs0,Lc}, _Opt) -> Fs = [function(F) || F <- Fs0], {ok,{Mod,Exp,Attr,Fs,Lc}}. -module_labels({Mod,Exp,Attr,Fs,Lc}) -> - {Mod,Exp,Attr,[function_labels(F) || F <- Fs],Lc}. - -function_labels({function,Name,Arity,CLabel,Asm0}) -> - Asm = remove_unused_labels(Asm0), - {function,Name,Arity,CLabel,Asm}. - %% function(Function) -> Function' %% Optimize jumps and branches. %% @@ -232,6 +228,9 @@ extract_seq_1([{line,_}=Line|Is], Acc) -> extract_seq_1(Is, [Line|Acc]); extract_seq_1([{label,_},{func_info,_,_,_}|_], _) -> no; +extract_seq_1([{label,Lbl},{jump,{f,Lbl}}|_], _) -> + %% Don't move a sequence which have a fallthrough entering it. + no; extract_seq_1([{label,_}=Lbl|Is], Acc) -> {yes,[Lbl|Acc],Is}; extract_seq_1(_, _) -> no. @@ -260,43 +259,39 @@ find_fixpoint(OptFun, Is0) -> Is -> find_fixpoint(OptFun, Is) end. -opt([{test,Test0,{f,Lnum}=Lbl,Ops}=I|Is0], Acc, St) -> - case Is0 of - [{jump,{f,Lnum}}|Is] -> - %% We have - %% Test Label Ops - %% jump Label - %% The test instruction is definitely not needed. - %% The jump instruction is not needed if there is - %% a definition of Label following the jump instruction. - case is_label_defined(Is, Lnum) of - false -> - %% The jump instruction is still needed. - opt(Is0, [I|Acc], label_used(Lbl, St)); - true -> - %% Neither the test nor the jump are needed. - opt(Is, Acc, St) - end; - [{jump,To}|Is] -> - case is_label_defined(Is, Lnum) of - false -> +opt([{test,_,{f,L}=Lbl,_}=I|[{jump,{f,L}}|_]=Is], Acc, St) -> + %% We have + %% Test Label Ops + %% jump Label + %% The test instruction is not needed if the test is pure + %% (it modifies neither registers nor bit syntax state). + case beam_utils:is_pure_test(I) of + false -> + %% Test is not pure; we must keep it. + opt(Is, [I|Acc], label_used(Lbl, St)); + true -> + %% The test is pure and its failure label is the same + %% as in the jump that follows -- thus it is not needed. + opt(Is, Acc, St) + end; +opt([{test,Test0,{f,L}=Lbl,Ops}=I|[{jump,To}|Is]=Is0], Acc, St) -> + case is_label_defined(Is, L) of + false -> + opt(Is0, [I|Acc], label_used(Lbl, St)); + true -> + case invert_test(Test0) of + not_possible -> opt(Is0, [I|Acc], label_used(Lbl, St)); - true -> - case invert_test(Test0) of - not_possible -> - opt(Is0, [I|Acc], label_used(Lbl, St)); - Test -> - opt([{test,Test,To,Ops}|Is], Acc, St) - end - end; - _Other -> - opt(Is0, [I|Acc], label_used(Lbl, St)) + Test -> + %% Invert the test and remove the jump. + opt([{test,Test,To,Ops}|Is], Acc, St) + end end; +opt([{test,_,{f,_}=Lbl,_}=I|Is], Acc, St) -> + opt(Is, [I|Acc], label_used(Lbl, St)); opt([{test,_,{f,_}=Lbl,_,_,_}=I|Is], Acc, St) -> opt(Is, [I|Acc], label_used(Lbl, St)); -opt([{select_val,_R,Fail,{list,Vls}}=I|Is], Acc, St) -> - skip_unreachable(Is, [I|Acc], label_used([Fail|Vls], St)); -opt([{select_tuple_arity,_R,Fail,{list,Vls}}=I|Is], Acc, St) -> +opt([{select,_,_R,Fail,Vls}=I|Is], Acc, St) -> skip_unreachable(Is, [I|Acc], label_used([Fail|Vls], St)); opt([{label,L}=I|Is], Acc, #st{entry=L}=St) -> %% NEVER move the entry label. @@ -412,14 +407,8 @@ is_label_used(L, St) -> is_unreachable_after({func_info,_M,_F,_A}) -> true; is_unreachable_after(return) -> true; -is_unreachable_after({call_ext_last,_Ar,_ExtFunc,_D}) -> true; -is_unreachable_after({call_ext_only,_Ar,_ExtFunc}) -> true; -is_unreachable_after({call_last,_Ar,_Lbl,_D}) -> true; -is_unreachable_after({call_only,_Ar,_Lbl}) -> true; -is_unreachable_after({apply_last,_Ar,_N}) -> true; is_unreachable_after({jump,_Lbl}) -> true; -is_unreachable_after({select_val,_R,_Lbl,_Cases}) -> true; -is_unreachable_after({select_tuple_arity,_R,_Lbl,_Cases}) -> true; +is_unreachable_after({select,_What,_R,_Lbl,_Cases}) -> true; is_unreachable_after({loop_rec_end,_}) -> true; is_unreachable_after({wait,_}) -> true; is_unreachable_after(I) -> is_exit_instruction(I). @@ -430,10 +419,6 @@ is_unreachable_after(I) -> is_exit_instruction(I). is_exit_instruction({call_ext,_,{extfunc,M,F,A}}) -> erl_bifs:is_exit_bif(M, F, A); -is_exit_instruction({call_ext_last,_,{extfunc,M,F,A},_}) -> - erl_bifs:is_exit_bif(M, F, A); -is_exit_instruction({call_ext_only,_,{extfunc,M,F,A}}) -> - erl_bifs:is_exit_bif(M, F, A); is_exit_instruction(if_end) -> true; is_exit_instruction({case_end,_}) -> true; is_exit_instruction({try_case_end,_}) -> true; @@ -516,9 +501,7 @@ ulbl({test,_,Fail,_}, Used) -> mark_used(Fail, Used); ulbl({test,_,Fail,_,_,_}, Used) -> mark_used(Fail, Used); -ulbl({select_val,_,Fail,{list,Vls}}, Used) -> - mark_used_list(Vls, mark_used(Fail, Used)); -ulbl({select_tuple_arity,_,Fail,{list,Vls}}, Used) -> +ulbl({select,_,_,Fail,Vls}, Used) -> mark_used_list(Vls, mark_used(Fail, Used)); ulbl({'try',_,Lbl}, Used) -> mark_used(Lbl, Used); @@ -538,29 +521,9 @@ ulbl({bif,_Name,Lbl,_As,_R}, Used) -> mark_used(Lbl, Used); ulbl({gc_bif,_Name,Lbl,_Live,_As,_R}, Used) -> mark_used(Lbl, Used); -ulbl({bs_init2,Lbl,_,_,_,_,_}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_init_bits,Lbl,_,_,_,_,_}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_integer,Lbl,_Bits,_Unit,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_float,Lbl,_Bits,_Unit,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_binary,Lbl,_Bits,_Unit,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_utf8,Lbl,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_utf16,Lbl,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_put_utf32,Lbl,_Fl,_Val}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_add,Lbl,_,_}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_append,Lbl,_,_,_,_,_,_,_}, Used) -> - mark_used(Lbl, Used); -ulbl({bs_utf8_size,Lbl,_,_}, Used) -> +ulbl({bs_init,Lbl,_,_,_,_}, Used) -> mark_used(Lbl, Used); -ulbl({bs_utf16_size,Lbl,_,_}, Used) -> +ulbl({bs_put,Lbl,_,_}, Used) -> mark_used(Lbl, Used); ulbl(_, Used) -> Used. diff --git a/lib/compiler/src/beam_peep.erl b/lib/compiler/src/beam_peep.erl index f39fc50b95..a199aa50ed 100644 --- a/lib/compiler/src/beam_peep.erl +++ b/lib/compiler/src/beam_peep.erl @@ -120,13 +120,13 @@ peep([{test,Op,_,Ops}=I|Is], SeenTests0, Acc) -> peep(Is, SeenTests, [I|Acc]) end end; -peep([{select_val,Src,Fail, - {list,[{atom,false},{f,L},{atom,true},{f,L}]}}| +peep([{select,select_val,Src,Fail, + [{atom,false},{f,L},{atom,true},{f,L}]}| [{label,L}|_]=Is], SeenTests, Acc) -> I = {test,is_boolean,Fail,[Src]}, peep([I|Is], SeenTests, Acc); -peep([{select_val,Src,Fail, - {list,[{atom,true},{f,L},{atom,false},{f,L}]}}| +peep([{select,select_val,Src,Fail, + [{atom,true},{f,L},{atom,false},{f,L}]}| [{label,L}|_]=Is], SeenTests, Acc) -> I = {test,is_boolean,Fail,[Src]}, peep([I|Is], SeenTests, Acc); diff --git a/lib/compiler/src/beam_receive.erl b/lib/compiler/src/beam_receive.erl index bd1f44f66b..fe95a7e35b 100644 --- a/lib/compiler/src/beam_receive.erl +++ b/lib/compiler/src/beam_receive.erl @@ -84,13 +84,29 @@ function({function,Name,Arity,Entry,Is}) -> erlang:raise(Class, Error, Stack) end. +opt([{call_ext,A,{extfunc,erlang,spawn_monitor,A}}=I0|Is0], D, Acc) + when A =:= 1; A =:= 3 -> + case ref_in_tuple(Is0) of + no -> + opt(Is0, D, [I0|Acc]); + {yes,Regs,Is1,MatchReversed} -> + %% The call creates a brand new reference. Now + %% search for a receive statement in the same + %% function that will match against the reference. + case opt_recv(Is1, Regs, D) of + no -> + opt(Is0, D, [I0|Acc]); + {yes,Is,Lbl} -> + opt(Is, D, MatchReversed++[I0,{recv_mark,{f,Lbl}}|Acc]) + end + end; opt([{call_ext,Arity,{extfunc,erlang,Name,Arity}}=I|Is0], D, Acc) -> case creates_new_ref(Name, Arity) of true -> %% The call creates a brand new reference. Now %% search for a receive statement in the same %% function that will match against the reference. - case opt_recv(Is0, D) of + case opt_recv(Is0, regs_init_x0(), D) of no -> opt(Is0, D, [I|Acc]); {yes,Is,Lbl} -> @@ -104,19 +120,34 @@ opt([I|Is], D, Acc) -> opt([], _, Acc) -> reverse(Acc). +ref_in_tuple([{test,is_tuple,_,[{x,0}]}=I1, + {test,test_arity,_,[{x,0},2]}=I2, + {block,[{set,[_],[{x,0}],{get_tuple_element,0}}, + {set,[Dst],[{x,0}],{get_tuple_element,1}}|Bl]}=I3|Is]) -> + ref_in_tuple_1(Bl, Dst, Is, [I3,I2,I1]); +ref_in_tuple([{test,is_tuple,_,[{x,0}]}=I1, + {test,test_arity,_,[{x,0},2]}=I2, + {block,[{set,[Dst],[{x,0}],{get_tuple_element,1}}|Bl]}=I3|Is]) -> + ref_in_tuple_1(Bl, Dst, Is, [I3,I2,I1]); +ref_in_tuple(_) -> no. + +ref_in_tuple_1(Bl, Dst, Is, MatchReversed) -> + Regs0 = regs_init_singleton(Dst), + Regs = opt_update_regs_bl(Bl, Regs0), + {yes,Regs,Is,MatchReversed}. + %% creates_new_ref(Name, Arity) -> true|false. %% Return 'true' if the BIF Name/Arity will create a new reference. creates_new_ref(monitor, 2) -> true; creates_new_ref(make_ref, 0) -> true; creates_new_ref(_, _) -> false. -%% opt_recv([Instruction], LabelIndex) -> no|{yes,[Instruction]} +%% opt_recv([Instruction], Regs, LabelIndex) -> no|{yes,[Instruction]} %% Search for a receive statement that will only retrieve messages %% that contain the newly created reference (which is currently in {x,0}). -opt_recv(Is, D) -> - R = regs_init_x0(), +opt_recv(Is, Regs, D) -> L = gb_sets:empty(), - opt_recv(Is, D, R, L, []). + opt_recv(Is, D, Regs, L, []). opt_recv([{label,L}=Lbl,{loop_rec,{f,Fail},_}=Loop|Is], D, R0, _, Acc) -> R = regs_kill_not_live(0, R0), @@ -157,8 +188,6 @@ opt_update_regs({call_fun,_}, R, L) -> {regs_kill_not_live(0, R),L}; opt_update_regs({kill,Y}, R, L) -> {regs_kill([Y], R),L}; -opt_update_regs(send, R, L) -> - {regs_kill_not_live(0, R),L}; opt_update_regs({'catch',_,{f,Lbl}}, R, L) -> {R,gb_sets:add(Lbl, L)}; opt_update_regs({catch_end,_}, R, L) -> @@ -253,10 +282,7 @@ opt_ref_used_1([{test,is_ne_exact,{f,Fail},Args}|Is], RefReg, D, Done0, Regs) -> opt_ref_used_1([{test,_,{f,Fail},_}|Is], RefReg, D, Done0, Regs) -> Done = opt_ref_used_at(Fail, RefReg, D, Done0, Regs), opt_ref_used_1(Is, RefReg, D, Done, Regs); -opt_ref_used_1([{select_tuple_arity,_,{f,Fail},{list,List}}|_], RefReg, D, Done, Regs) -> - Lbls = [F || {f,F} <- List] ++ [Fail], - opt_ref_used_in_all(Lbls, RefReg, D, Done, Regs); -opt_ref_used_1([{select_val,_,{f,Fail},{list,List}}|_], RefReg, D, Done, Regs) -> +opt_ref_used_1([{select,_,_,{f,Fail},List}|_], RefReg, D, Done, Regs) -> Lbls = [F || {f,F} <- List] ++ [Fail], opt_ref_used_in_all(Lbls, RefReg, D, Done, Regs); opt_ref_used_1([{label,Lbl}|Is], RefReg, D, Done, Regs) -> @@ -323,6 +349,12 @@ opt_ref_used_bl([], Regs) -> Regs. regs_init() -> {0,0}. +%% regs_init_singleton(Register) -> RegisterSet +%% Return a set that only contains one register. + +regs_init_singleton(Reg) -> + regs_add(Reg, regs_init()). + %% regs_init_x0() -> RegisterSet %% Return a set that only contains the {x,0} register. diff --git a/lib/compiler/src/beam_trim.erl b/lib/compiler/src/beam_trim.erl index 5f4fa3b1f8..d95db1f681 100644 --- a/lib/compiler/src/beam_trim.erl +++ b/lib/compiler/src/beam_trim.erl @@ -172,38 +172,16 @@ remap([{bif,Name,Fail,Ss,D}|Is], Map, Acc) -> remap([{gc_bif,Name,Fail,Live,Ss,D}|Is], Map, Acc) -> I = {gc_bif,Name,Fail,Live,[Map(S) || S <- Ss],Map(D)}, remap(Is, Map, [I|Acc]); -remap([{bs_add,Fail,[SrcA,SrcB,U],D}|Is], Map, Acc) -> - I = {bs_add,Fail,[Map(SrcA),Map(SrcB),U],Map(D)}, +remap([{bs_init,Fail,Info,Live,Ss0,Dst0}|Is], Map, Acc) -> + Ss = [Map(Src) || Src <- Ss0], + Dst = Map(Dst0), + I = {bs_init,Fail,Info,Live,Ss,Dst}, remap(Is, Map, [I|Acc]); -remap([{bs_append=Op,Fail,Bits,Heap,Live,Unit,Bin,Flags,D}|Is], Map, Acc) -> - I = {Op,Fail,Map(Bits),Heap,Live,Unit,Map(Bin),Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_private_append=Op,Fail,Bits,Unit,Bin,Flags,D}|Is], Map, Acc) -> - I = {Op,Fail,Map(Bits),Unit,Map(Bin),Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([bs_init_writable=I|Is], Map, Acc) -> - remap(Is, Map, [I|Acc]); -remap([{bs_init2,Fail,Src,Live,U,Flags,D}|Is], Map, Acc) -> - I = {bs_init2,Fail,Map(Src),Live,U,Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_init_bits,Fail,Src,Live,U,Flags,D}|Is], Map, Acc) -> - I = {bs_init_bits,Fail,Map(Src),Live,U,Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_put_binary=Op,Fail,Src,U,Flags,D}|Is], Map, Acc) -> - I = {Op,Fail,Map(Src),U,Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_put_integer=Op,Fail,Src,U,Flags,D}|Is], Map, Acc) -> - I = {Op,Fail,Map(Src),U,Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_put_float=Op,Fail,Src,U,Flags,D}|Is], Map, Acc) -> - I = {Op,Fail,Map(Src),U,Flags,Map(D)}, - remap(Is, Map, [I|Acc]); -remap([{bs_put_string,_,_}=I|Is], Map, Acc) -> +remap([{bs_put=Op,Fail,Info,Ss}|Is], Map, Acc) -> + I = {Op,Fail,Info,[Map(S) || S <- Ss]}, remap(Is, Map, [I|Acc]); remap([{kill,Y}|T], Map, Acc) -> remap(T, Map, [{kill,Map(Y)}|Acc]); -remap([send=I|T], Map, Acc) -> - remap(T, Map, [I|Acc]); remap([{make_fun2,_,_,_,_}=I|T], Map, Acc) -> remap(T, Map, [I|Acc]); remap([{deallocate,N}|Is], Map, Acc) -> @@ -217,12 +195,6 @@ remap([{test,Name,Fail,Live,Ss,Dst}|Is], Map, Acc) -> remap(Is, Map, [I|Acc]); remap([return|_]=Is, _, Acc) -> reverse(Acc, Is); -remap([{call_last,Ar,Name,N}|Is], Map, Acc) -> - I = {call_last,Ar,Name,Map({frame_size,N})}, - reverse(Acc, [I|Is]); -remap([{call_ext_last,Ar,Name,N}|Is], Map, Acc) -> - I = {call_ext_last,Ar,Name,Map({frame_size,N})}, - reverse(Acc, [I|Is]); remap([{line,_}=I|Is], Map, Acc) -> remap(Is, Map, [I|Acc]). @@ -280,8 +252,8 @@ frame_size([{call_fun,_}|Is], Safe) -> frame_size(Is, Safe); frame_size([{call,_,_}|Is], Safe) -> frame_size(Is, Safe); -frame_size([{call_ext,A,{extfunc,M,F,A}}|Is], Safe) -> - case erl_bifs:is_exit_bif(M, F, A) of +frame_size([{call_ext,_,_}=I|Is], Safe) -> + case beam_jump:is_exit_instruction(I) of true -> throw(not_possible); false -> frame_size(Is, Safe) end; @@ -295,35 +267,15 @@ frame_size([{test,_,{f,L},_}|Is], Safe) -> frame_size_branch(L, Is, Safe); frame_size([{test,_,{f,L},_,_,_}|Is], Safe) -> frame_size_branch(L, Is, Safe); -frame_size([{bs_add,{f,L},_,_}|Is], Safe) -> +frame_size([{bs_init,{f,L},_,_,_,_}|Is], Safe) -> frame_size_branch(L, Is, Safe); -frame_size([{bs_append,{f,L},_,_,_,_,_,_,_}|Is], Safe) -> +frame_size([{bs_put,{f,L},_,_}|Is], Safe) -> frame_size_branch(L, Is, Safe); -frame_size([{bs_private_append,{f,L},_,_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([bs_init_writable|Is], Safe) -> - frame_size(Is, Safe); -frame_size([{bs_init2,{f,L},_,_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([{bs_init_bits,{f,L},_,_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([{bs_put_binary,{f,L},_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([{bs_put_integer,{f,L},_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([{bs_put_float,{f,L},_,_,_,_}|Is], Safe) -> - frame_size_branch(L, Is, Safe); -frame_size([{bs_put_string,_,_}|Is], Safe) -> - frame_size(Is, Safe); frame_size([{kill,_}|Is], Safe) -> frame_size(Is, Safe); -frame_size([send|Is], Safe) -> - frame_size(Is, Safe); frame_size([{make_fun2,_,_,_,_}|Is], Safe) -> frame_size(Is, Safe); frame_size([{deallocate,N}|_], _) -> N; -frame_size([{call_last,_,_,N}|_], _) -> N; -frame_size([{call_ext_last,_,_,N}|_], _) -> N; frame_size([{line,_}|Is], Safe) -> frame_size(Is, Safe); frame_size([_|_], _) -> throw(not_possible). diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl index 194f089ba1..8b661e6901 100644 --- a/lib/compiler/src/beam_utils.erl +++ b/lib/compiler/src/beam_utils.erl @@ -87,7 +87,7 @@ is_killed_at(R, Lbl, D) when is_integer(Lbl) -> %% across branches. is_not_used(R, Is, D) -> - St = #live{bl=fun check_used_block/2,lbl=D,res=gb_trees:empty()}, + St = #live{bl=check_used_block_fun(D),lbl=D,res=gb_trees:empty()}, case check_liveness(R, Is, St) of {killed,_} -> true; {used,_} -> false; @@ -102,7 +102,7 @@ is_not_used(R, Is, D) -> %% across branches. is_not_used_at(R, Lbl, D) -> - St = #live{bl=fun check_used_block/2,lbl=D,res=gb_trees:empty()}, + St = #live{bl=check_used_block_fun(D),lbl=D,res=gb_trees:empty()}, case check_liveness_at(R, Lbl, St) of {killed,_} -> true; {used,_} -> false; @@ -276,13 +276,9 @@ check_liveness(R, [{test,_,{f,Fail},Live,Ss,_}|Is], St0) -> {_,_}=Other -> Other end end; -check_liveness(R, [{select_val,R,_,_}|_], St) -> +check_liveness(R, [{select,_,R,_,_}|_], St) -> {used,St}; -check_liveness(R, [{select_val,_,Fail,{list,Branches}}|_], St) -> - check_liveness_everywhere(R, [Fail|Branches], St); -check_liveness(R, [{select_tuple_arity,R,_,_}|_], St) -> - {used,St}; -check_liveness(R, [{select_tuple_arity,_,Fail,{list,Branches}}|_], St) -> +check_liveness(R, [{select,_,_,Fail,Branches}|_], St) -> check_liveness_everywhere(R, [Fail|Branches], St); check_liveness(R, [{jump,{f,F}}|_], St) -> check_liveness_at(R, F, St); @@ -301,37 +297,33 @@ check_liveness(R, [{kill,R}|_], St) -> {killed,St}; check_liveness(R, [{kill,_}|Is], St) -> check_liveness(R, Is, St); -check_liveness(R, [bs_init_writable|Is], St) -> - if - R =:= {x,0} -> {used,St}; - true -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_private_append,_,Bits,_,Bin,_,Dst}|Is], St) -> - case R of - Bits -> {used,St}; - Bin -> {used,St}; - Dst -> {killed,St}; - _ -> check_liveness(R, Is, St) +check_liveness(R, [{bs_init,_,_,none,Ss,Dst}|Is], St) -> + case member(R, Ss) of + true -> + {used,St}; + false -> + if + R =:= Dst -> {killed,St}; + true -> check_liveness(R, Is, St) + end end; -check_liveness(R, [{bs_append,_,Bits,_,_,_,Bin,_,Dst}|Is], St) -> +check_liveness(R, [{bs_init,_,_,Live,Ss,Dst}|Is], St) -> case R of - Bits -> {used,St}; - Bin -> {used,St}; - Dst -> {killed,St}; - _ -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_init2,_,_,_,_,_,Dst}|Is], St) -> - if - R =:= Dst -> {killed,St}; - true -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_init_bits,_,_,_,_,_,Dst}|Is], St) -> - if - R =:= Dst -> {killed,St}; - true -> check_liveness(R, Is, St) + {x,X} -> + case X < Live orelse member(R, Ss) of + true -> {used,St}; + false -> {killed,St} + end; + {y,_} -> + case member(R, Ss) of + true -> {used,St}; + false -> + if + R =:= Dst -> {killed,St}; + true -> check_liveness(R, Is, St) + end + end end; -check_liveness(R, [{bs_put_string,_,_}|Is], St) -> - check_liveness(R, Is, St); check_liveness(R, [{deallocate,_}|Is], St) -> case R of {y,_} -> {killed,St}; @@ -339,29 +331,20 @@ check_liveness(R, [{deallocate,_}|Is], St) -> end; check_liveness(R, [return|_], St) -> check_liveness_live_ret(R, 1, St); -check_liveness(R, [{call_last,Live,_,_}|_], St) -> - check_liveness_live_ret(R, Live, St); -check_liveness(R, [{call_only,Live,_}|_], St) -> - check_liveness_live_ret(R, Live, St); -check_liveness(R, [{call_ext_last,Live,_,_}|_], St) -> - check_liveness_live_ret(R, Live, St); -check_liveness(R, [{call_ext_only,Live,_}|_], St) -> - check_liveness_live_ret(R, Live, St); check_liveness(R, [{call,Live,_}|Is], St) -> case R of {x,X} when X < Live -> {used,St}; {x,_} -> {killed,St}; {y,_} -> check_liveness(R, Is, St) end; -check_liveness(R, [{call_ext,Live,Func}|Is], St) -> +check_liveness(R, [{call_ext,Live,_}=I|Is], St) -> case R of {x,X} when X < Live -> {used,St}; {x,_} -> {killed,St}; {y,_} -> - {extfunc,Mod,Name,Arity} = Func, - case erl_bifs:is_exit_bif(Mod, Name, Arity) of + case beam_jump:is_exit_instruction(I) of false -> check_liveness(R, Is, St); true -> @@ -387,14 +370,6 @@ check_liveness(R, [{apply,Args}|Is], St) -> {x,_} -> {killed,St}; {y,_} -> check_liveness(R, Is, St) end; -check_liveness(R, [{apply_last,Args,_}|_], St) -> - check_liveness_live_ret(R, Args+2, St); -check_liveness(R, [send|Is], St) -> - case R of - {x,X} when X < 2 -> {used,St}; - {x,_} -> {killed,St}; - {y,_} -> check_liveness(R, Is, St) - end; check_liveness({x,R}, [{'%live',Live}|Is], St) -> if R < Live -> check_liveness(R, Is, St); @@ -429,25 +404,9 @@ check_liveness(R, [{gc_bif,Op,{f,Fail},Live,Ss,D}|Is], St0) -> Other end end; -check_liveness(R, [{bs_add,{f,0},Ss,D}|Is], St) -> +check_liveness(R, [{bs_put,{f,0},_,Ss}|Is], St) -> case member(R, Ss) of true -> {used,St}; - false when R =:= D -> {killed,St}; - false -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_put_binary,{f,0},Sz,_,_,Src}|Is], St) -> - case member(R, [Sz,Src]) of - true -> {used,St}; - false -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_put_integer,{f,0},Sz,_,_,Src}|Is], St) -> - case member(R, [Sz,Src]) of - true -> {used,St}; - false -> check_liveness(R, Is, St) - end; -check_liveness(R, [{bs_put_float,{f,0},Sz,_,_,Src}|Is], St) -> - case member(R, [Sz,Src]) of - true -> {used,St}; false -> check_liveness(R, Is, St) end; check_liveness(R, [{bs_restore2,S,_}|Is], St) -> @@ -472,6 +431,16 @@ check_liveness(R, [{make_fun2,_,_,_,NumFree}|Is], St) -> {x,_} -> {killed,St}; _ -> check_liveness(R, Is, St) end; +check_liveness({x,_}=R, [{'catch',_,_}|Is], St) -> + %% All x registers will be killed if an exception occurs. + %% Therefore we only need to check the liveness for the + %% instructions following the catch instruction. + check_liveness(R, Is, St); +check_liveness({x,_}=R, [{'try',_,_}|Is], St) -> + %% All x registers will be killed if an exception occurs. + %% Therefore we only need to check the liveness for the + %% instructions inside the 'try' block. + check_liveness(R, Is, St); check_liveness(R, [{try_end,Y}|Is], St) -> case R of Y -> @@ -602,26 +571,50 @@ check_killed_block(_, []) -> transparent. %% %% (Unknown instructions will cause an exception.) -check_used_block({x,X}=R, [{set,_,_,{alloc,Live,_}}|Is]) -> +check_used_block_fun(D) -> + fun(R, Is) -> check_used_block(R, Is, D) end. + +check_used_block({x,X}=R, [{set,Ds,Ss,{alloc,Live,Op}}|Is], D) -> if X >= Live -> killed; - true -> check_used_block(R, Is) + true -> + case member(R, Ss) orelse + is_reg_used_at(R, Op, D) of + true -> used; + false -> + case member(R, Ds) of + true -> killed; + false -> check_used_block(R, Is, D) + end + end end; -check_used_block(R, [{set,Ds,Ss,_Op}|Is]) -> - case member(R, Ss) of +check_used_block(R, [{set,Ds,Ss,Op}|Is], D) -> + case member(R, Ss) orelse + is_reg_used_at(R, Op, D) of true -> used; false -> case member(R, Ds) of true -> killed; - false -> check_used_block(R, Is) + false -> check_used_block(R, Is, D) end end; -check_used_block(R, [{'%live',Live}|Is]) -> +check_used_block(R, [{'%live',Live}|Is], D) -> case R of {x,X} when X >= Live -> killed; - _ -> check_used_block(R, Is) + _ -> check_used_block(R, Is, D) end; -check_used_block(_, []) -> transparent. +check_used_block(_, [], _) -> transparent. + +is_reg_used_at(R, {gc_bif,_,{f,Lbl}}, D) -> + is_reg_used_at_1(R, Lbl, D); +is_reg_used_at(R, {bif,_,{f,Lbl}}, D) -> + is_reg_used_at_1(R, Lbl, D); +is_reg_used_at(_, _, _) -> false. + +is_reg_used_at_1(_, 0, _) -> + false; +is_reg_used_at_1(R, Lbl, D) -> + not is_not_used_at(R, Lbl, D). index_labels_1([{label,Lbl}|Is0], Acc) -> Is = lists:dropwhile(fun({label,_}) -> true; @@ -654,49 +647,21 @@ combine_alloc_lists_1([]) -> []. live_opt([{bs_context_to_binary,Src}=I|Is], Regs0, D, Acc) -> Regs = x_live([Src], Regs0), live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_add,Fail,[Src1,Src2,_],Dst}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src1,Src2], x_dead([Dst], Regs0)), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_init2,Fail,_,_,Live,_,_}=I|Is], _, D, Acc) -> - Regs1 = live_call(Live), +live_opt([{bs_init,Fail,_,none,Ss,Dst}=I|Is], Regs0, D, Acc) -> + Regs1 = x_live(Ss, x_dead([Dst], Regs0)), Regs = live_join_label(Fail, D, Regs1), live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_init_bits,Fail,Src1,_,Live,_,Src2}=I|Is], _, D, Acc) -> - Regs1 = live_call(Live), - Regs2 = x_live([Src1,Src2], Regs1), - Regs = live_join_label(Fail, D, Regs2), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_append,Fail,Src1,_,Live,_,Src2,_,Dst}=I|Is], _Regs0, D, Acc) -> - Regs1 = x_dead([Dst], x_live([Src1,Src2], live_call(Live))), - Regs = live_join_label(Fail, D, Regs1), +live_opt([{bs_init,Fail,Info,Live0,Ss,Dst}|Is], Regs0, D, Acc) -> + Regs1 = x_dead([Dst], Regs0), + Live = live_regs(Regs1), + true = Live =< Live0, %Assertion. + Regs2 = live_call(Live), + Regs3 = x_live(Ss, Regs2), + Regs = live_join_label(Fail, D, Regs3), + I = {bs_init,Fail,Info,Live,Ss,Dst}, live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_private_append,Fail,Src1,_,Src2,_,Dst}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src1,Src2], x_dead([Dst], Regs0)), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_binary,Fail,Src1,_,_,Src2}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src1,Src2], Regs0), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_float,Fail,Src1,_,_,Src2}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src1,Src2], Regs0), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_integer,Fail,Src1,_,_,Src2}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src1,Src2], Regs0), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_utf8,Fail,_,Src}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], Regs0), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_utf16,Fail,_,Src}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], Regs0), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_put_utf32,Fail,_,Src}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], Regs0), +live_opt([{bs_put,Fail,_,Ss}=I|Is], Regs0, D, Acc) -> + Regs1 = x_live(Ss, Regs0), Regs = live_join_label(Fail, D, Regs1), live_opt(Is, Regs, D, [I|Acc]); live_opt([{bs_restore2,Src,_}=I|Is], Regs0, D, Acc) -> @@ -705,14 +670,6 @@ live_opt([{bs_restore2,Src,_}=I|Is], Regs0, D, Acc) -> live_opt([{bs_save2,Src,_}=I|Is], Regs0, D, Acc) -> Regs = x_live([Src], Regs0), live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_utf8_size,Fail,Src,Dst}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], x_dead([Dst], Regs0)), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{bs_utf16_size,Fail,Src,Dst}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], x_dead([Dst], Regs0)), - Regs = live_join_label(Fail, D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); live_opt([{test,bs_start_match2,Fail,Live,[Src,_],_}=I|Is], _, D, Acc) -> Regs0 = live_call(Live), Regs1 = x_live([Src], Regs0), @@ -747,30 +704,16 @@ live_opt([{try_case_end,Src}=I|Is], _, D, Acc) -> live_opt([if_end=I|Is], _, D, Acc) -> Regs = 0, live_opt(Is, Regs, D, [I|Acc]); -live_opt([bs_init_writable=I|Is], _, D, Acc) -> - live_opt(Is, live_call(1), D, [I|Acc]); live_opt([{call,Arity,_}=I|Is], _, D, Acc) -> live_opt(Is, live_call(Arity), D, [I|Acc]); live_opt([{call_ext,Arity,_}=I|Is], _, D, Acc) -> live_opt(Is, live_call(Arity), D, [I|Acc]); live_opt([{call_fun,Arity}=I|Is], _, D, Acc) -> live_opt(Is, live_call(Arity+1), D, [I|Acc]); -live_opt([{call_last,Arity,_,_}=I|Is], _, D, Acc) -> - live_opt(Is, live_call(Arity), D, [I|Acc]); -live_opt([{call_ext_last,Arity,_,_}=I|Is], _, D, Acc) -> - live_opt(Is, live_call(Arity), D, [I|Acc]); live_opt([{apply,Arity}=I|Is], _, D, Acc) -> live_opt(Is, live_call(Arity+2), D, [I|Acc]); -live_opt([{apply_last,Arity,_}=I|Is], _, D, Acc) -> - live_opt(Is, live_call(Arity+2), D, [I|Acc]); -live_opt([{call_only,Arity,_}=I|Is], _, D, Acc) -> - live_opt(Is, live_call(Arity), D, [I|Acc]); -live_opt([{call_ext_only,Arity,_}=I|Is], _, D, Acc) -> - live_opt(Is, live_call(Arity), D, [I|Acc]); live_opt([{make_fun2,_,_,_,Arity}=I|Is], _, D, Acc) -> live_opt(Is, live_call(Arity), D, [I|Acc]); -live_opt([send=I|Is], _, D, Acc) -> - live_opt(Is, live_call(2), D, [I|Acc]); live_opt([{test,_,Fail,Ss}=I|Is], Regs0, D, Acc) -> Regs1 = x_live(Ss, Regs0), Regs = live_join_label(Fail, D, Regs1), @@ -780,16 +723,14 @@ live_opt([{test,_,Fail,Live,Ss,_}=I|Is], _, D, Acc) -> Regs1 = x_live(Ss, Regs0), Regs = live_join_label(Fail, D, Regs1), live_opt(Is, Regs, D, [I|Acc]); -live_opt([{select_val,Src,Fail,{list,List}}=I|Is], Regs0, D, Acc) -> +live_opt([{select,_,Src,Fail,List}=I|Is], Regs0, D, Acc) -> Regs1 = x_live([Src], Regs0), Regs = live_join_labels([Fail|List], D, Regs1), live_opt(Is, Regs, D, [I|Acc]); -live_opt([{select_tuple_arity,Src,Fail,{list,List}}=I|Is], Regs0, D, Acc) -> - Regs1 = x_live([Src], Regs0), - Regs = live_join_labels([Fail|List], D, Regs1), - live_opt(Is, Regs, D, [I|Acc]); -live_opt([{'try',_,Fail}=I|Is], Regs0, D, Acc) -> - Regs = live_join_label(Fail, D, Regs0), +live_opt([{'try',_,_}=I|Is], Regs, D, Acc) -> + %% If an exeption happens, all x registers will be killed. + %% Therefore, we should only base liveness of the code inside + %% the try. live_opt(Is, Regs, D, [I|Acc]); live_opt([{try_case,_}=I|Is], _, D, Acc) -> live_opt(Is, live_call(1), D, [I|Acc]); @@ -799,8 +740,6 @@ live_opt([timeout=I|Is], _, D, Acc) -> live_opt(Is, 0, D, [I|Acc]); %% Transparent instructions - they neither use nor modify x registers. -live_opt([{bs_put_string,_,_}=I|Is], Regs, D, Acc) -> - live_opt(Is, Regs, D, [I|Acc]); live_opt([{deallocate,_}=I|Is], Regs, D, Acc) -> live_opt(Is, Regs, D, [I|Acc]); live_opt([{kill,_}=I|Is], Regs, D, Acc) -> @@ -827,13 +766,24 @@ live_opt([{allocate_heap,_,_,Live}=I|Is], _, D, Acc) -> live_opt([], _, _, Acc) -> Acc. -live_opt_block([{set,[],[],{alloc,Live,_}}=I|Is], _, D, Acc) -> - live_opt_block(Is, live_call(Live), D, [I|Acc]); -live_opt_block([{set,Ds,Ss,Op}=I|Is], Regs0, D, Acc) -> - Regs = case Op of - {alloc,Live,_} -> live_call(Live); - _ -> x_live(Ss, x_dead(Ds, Regs0)) - end, +live_opt_block([{set,Ds,Ss,Op}=I0|Is], Regs0, D, Acc) -> + Regs1 = x_live(Ss, x_dead(Ds, Regs0)), + {I,Regs} = case Op of + {alloc,Live0,Alloc} -> + %% The life-time analysis used by the code generator + %% is sometimes too conservative, so it may be + %% possible to lower the number of live registers + %% based on the exact liveness information. + %% The main benefit is that more optimizations that + %% depend on liveness information (such as the + %% beam_bool and beam_dead passes) may be applied. + Live = live_regs(Regs1), + true = Live =< Live0, %Assertion. + I1 = {set,Ds,Ss,{alloc,Live,Alloc}}, + {I1,live_call(Live)}; + _ -> + {I0,Regs1} + end, case Ds of [{x,X}] -> case (not is_live(X, Regs0)) andalso Op =:= move of diff --git a/lib/compiler/src/beam_z.erl b/lib/compiler/src/beam_z.erl new file mode 100644 index 0000000000..8c6b0c916d --- /dev/null +++ b/lib/compiler/src/beam_z.erl @@ -0,0 +1,79 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2012. 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: Run right before beam_asm to do any final fix-ups or clean-ups. +%% (Mandatory.) + +-module(beam_z). + +-export([module/2]). + +module({Mod,Exp,Attr,Fs0,Lc}, _Opt) -> + Fs = [function(F) || F <- Fs0], + {ok,{Mod,Exp,Attr,Fs,Lc}}. + +function({function,Name,Arity,CLabel,Is0}) -> + try + Is = undo_renames(Is0), + {function,Name,Arity,CLabel,Is} + catch + Class:Error -> + Stack = erlang:get_stacktrace(), + io:fwrite("Function: ~w/~w\n", [Name,Arity]), + erlang:raise(Class, Error, Stack) + end. + +undo_renames([{call_ext,2,send}|Is]) -> + [send|undo_renames(Is)]; +undo_renames([{apply,A},{deallocate,N},return|Is]) -> + [{apply_last,A,N}|undo_renames(Is)]; +undo_renames([{call,A,F},{deallocate,N},return|Is]) -> + [{call_last,A,F,N}|undo_renames(Is)]; +undo_renames([{call_ext,A,F},{deallocate,N},return|Is]) -> + [{call_ext_last,A,F,N}|undo_renames(Is)]; +undo_renames([{call,A,F},return|Is]) -> + [{call_only,A,F}|undo_renames(Is)]; +undo_renames([{call_ext,A,F},return|Is]) -> + [{call_ext_only,A,F}|undo_renames(Is)]; +undo_renames([I|Is]) -> + [undo_rename(I)|undo_renames(Is)]; +undo_renames([]) -> []. + +undo_rename({bs_put,F,{I,U,Fl},[Sz,Src]}) -> + {I,F,Sz,U,Fl,Src}; +undo_rename({bs_put,F,{I,Fl},[Src]}) -> + {I,F,Fl,Src}; +undo_rename({bs_put,{f,0},{bs_put_string,_,_}=I,[]}) -> + I; +undo_rename({bif,bs_add=I,F,[Src1,Src2,{integer,U}],Dst}) -> + {I,F,[Src1,Src2,U],Dst}; +undo_rename({bif,bs_utf8_size=I,F,[Src],Dst}) -> + {I,F,Src,Dst}; +undo_rename({bif,bs_utf16_size=I,F,[Src],Dst}) -> + {I,F,Src,Dst}; +undo_rename({bs_init,F,{I,U,Flags},none,[Sz,Src],Dst}) -> + {I,F,Sz,U,Src,Flags,Dst}; +undo_rename({bs_init,F,{I,Extra,Flags},Live,[Sz],Dst}) -> + {I,F,Sz,Extra,Live,Flags,Dst}; +undo_rename({bs_init,F,{I,Extra,U,Flags},Live,[Sz,Src],Dst}) -> + {I,F,Sz,Extra,Live,U,Src,Flags,Dst}; +undo_rename({bs_init,_,bs_init_writable=I,_,_,_}) -> + I; +undo_rename({select,I,Reg,Fail,List}) -> + {I,Reg,Fail,{list,List}}; +undo_rename(I) -> I. diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index 0a368df5d6..df1af36eeb 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -224,6 +224,8 @@ format_error({delete_temp,File,Error}) -> [File,file:format_error(Error)]); format_error({parse_transform,M,R}) -> io_lib:format("error in parse transform '~s': ~p", [M, R]); +format_error({undef_parse_transform,M}) -> + io_lib:format("undefined parse transform '~s'", [M]); format_error({core_transform,M,R}) -> io_lib:format("error in core transform '~s': ~p", [M, R]); format_error({crash,Pass,Reason}) -> @@ -551,12 +553,12 @@ select_list_passes_1([{iff,Flag,{done,Ext}}|Ps], Opts, Acc) -> end; select_list_passes_1([{iff=Op,Flag,List0}|Ps], Opts, Acc) when is_list(List0) -> case select_list_passes(List0, Opts) of - {done,_}=Done -> Done; + {done,List} -> {done,reverse(Acc) ++ List}; {not_done,List} -> select_list_passes_1(Ps, Opts, [{Op,Flag,List}|Acc]) end; select_list_passes_1([{unless=Op,Flag,List0}|Ps], Opts, Acc) when is_list(List0) -> case select_list_passes(List0, Opts) of - {done,_}=Done -> Done; + {done,List} -> {done,reverse(Acc) ++ List}; {not_done,List} -> select_list_passes_1(Ps, Opts, [{Op,Flag,List}|Acc]) end; select_list_passes_1([P|Ps], Opts, Acc) -> @@ -630,7 +632,8 @@ kernel_passes() -> asm_passes() -> %% Assembly level optimisations. [{delay, - [{unless,no_postopt, + [{pass,beam_a}, + {unless,no_postopt, [{pass,beam_block}, {iff,dblk,{listing,"block"}}, {unless,no_except,{pass,beam_except}}, @@ -657,13 +660,11 @@ asm_passes() -> {iff,dtrim,{listing,"trim"}}, {pass,beam_flatten}]}, - %% If post optimizations are turned off, we still coalesce - %% adjacent labels and remove unused labels to keep the - %% HiPE compiler happy. - {iff,no_postopt, - [?pass(beam_unused_labels), - {pass,beam_clean}]}, + %% If post optimizations are turned off, we still + %% need to do a few clean-ups to code. + {iff,no_postopt,[{pass,beam_clean}]}, + {pass,beam_z}, {iff,dopt,{listing,"optimize"}}, {iff,'S',{listing,"S"}}, {iff,'to_asm',{done,"S"}}]}, @@ -850,6 +851,10 @@ foldl_transform(St, [T|Ts]) -> {error,Es,Ws} -> {error,St#compile{warnings=St#compile.warnings ++ Ws, errors=St#compile.errors ++ Es}}; + {'EXIT',{undef,_}} -> + Es = [{St#compile.ifile,[{none,compile, + {undef_parse_transform,T}}]}], + {error,St#compile{errors=St#compile.errors ++ Es}}; {'EXIT',R} -> Es = [{St#compile.ifile,[{none,compile,{parse_transform,T,R}}]}], {error,St#compile{errors=St#compile.errors ++ Es}}; @@ -1236,10 +1241,6 @@ random_bytes_1(N, Acc) -> random_bytes_1(N-1, [random:uniform(255)|Acc]). save_core_code(St) -> {ok,St#compile{core_code=cerl:from_records(St#compile.code)}}. -beam_unused_labels(#compile{code=Code0}=St) -> - Code = beam_jump:module_labels(Code0), - {ok,St#compile{code=Code}}. - beam_asm(#compile{ifile=File,code=Code0, abstract_code=Abst,mod_options=Opts0}=St) -> Source = filename:absname(File), diff --git a/lib/compiler/src/compiler.app.src b/lib/compiler/src/compiler.app.src index 1133882728..94c78e68f9 100644 --- a/lib/compiler/src/compiler.app.src +++ b/lib/compiler/src/compiler.app.src @@ -20,6 +20,7 @@ [{description, "ERTS CXC 138 10"}, {vsn, "%VSN%"}, {modules, [ + beam_a, beam_asm, beam_block, beam_bool, @@ -40,6 +41,7 @@ beam_type, beam_utils, beam_validator, + beam_z, cerl, cerl_clauses, cerl_inline, diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index be15495672..3b73269545 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -123,15 +123,24 @@ cg_fun(Les, Hvs, Vdb, AtomMod, NameArity, Anno, St0) -> put_reg(V, Reg) end, [], Hvs), stk=[]}, 0, Vdb), - {B,_Aft,St} = cg_list(Les, 0, Vdb, Bef, + {B0,_Aft,St} = cg_list(Les, 0, Vdb, Bef, St3#cg{bfail=0, ultimate_failure=UltimateMatchFail, is_top_block=true}), + B = fix_bs_match_strings(B0), {Name,Arity} = NameArity, Asm = [{label,Fi},line(Anno),{func_info,AtomMod,{atom,Name},Arity}, {label,Fl}|B++[{label,UltimateMatchFail},if_end]], {Asm,Fl,St}. +fix_bs_match_strings([{test,bs_match_string,F,[Ctx,BinList]}|Is]) + when is_list(BinList) -> + I = {test,bs_match_string,F,[Ctx,list_to_bitstring(BinList)]}, + [I|fix_bs_match_strings(Is)]; +fix_bs_match_strings([I|Is]) -> + [I|fix_bs_match_strings(Is)]; +fix_bs_match_strings([]) -> []. + %% cg(Lkexpr, Vdb, StackReg, State) -> {[Ainstr],StackReg,State}. %% Generate code for a kexpr. %% Split function into two steps for clarity, not efficiency. @@ -713,7 +722,22 @@ select_bin_seg(#l{ke={val_clause,{bin_int,Ctx,Sz,U,Fs,Val,Es},B},i=I,vdb=Vdb}, I, Vdb, Bef, Ctx, St0), {Bis,Aft,St2} = match_cg(B, Fail, Int, St1), CtxReg = fetch_var(Ctx, Bef), - {[{bs_restore2,CtxReg,{Ctx,Ivar}}|Mis] ++ Bis,Aft,St2}. + Is = case Mis ++ Bis of + [{test,bs_match_string,F,[OtherCtx,Bin1]}, + {bs_save2,OtherCtx,_}, + {bs_restore2,OtherCtx,_}, + {test,bs_match_string,F,[OtherCtx,Bin2]}|Is0] -> + %% We used to do this optimization later, but it + %% turns out that in huge functions with many + %% bs_match_string instructions, it's a big win + %% to do the combination now. To avoid copying the + %% binary data again and again, we'll combine bitstrings + %% in a list and convert all of it to a bitstring later. + [{test,bs_match_string,F,[OtherCtx,[Bin1,Bin2]]}|Is0]; + Is0 -> + Is0 + end, + {[{bs_restore2,CtxReg,{Ctx,Ivar}}|Is],Aft,St2}. select_extract_int([{var,Tl}], Val, {integer,Sz}, U, Fs, Vf, I, Vdb, Bef, Ctx, St) -> @@ -1385,22 +1409,32 @@ catch_cg(C, {var,R}, Le, Vdb, Bef, St0) -> %% %% put_list for constructing a cons is an atomic instruction %% which can safely resuse one of the source registers as target. -%% Also binaries can reuse a source register as target. set_cg([{var,R}], {cons,Es}, Le, Vdb, Bef, St) -> - [S1,S2] = map(fun ({var,V}) -> fetch_var(V, Bef); - (Other) -> Other - end, Es), + [S1,S2] = cg_reg_args(Es, Bef), Int0 = clear_dead(Bef, Le#l.i, Vdb), Int1 = Int0#sr{reg=put_reg(R, Int0#sr.reg)}, Ret = fetch_reg(R, Int1#sr.reg), {[{put_list,S1,S2,Ret}], Int1, St}; set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef, #cg{in_catch=InCatch, bfail=Bfail}=St) -> + %% At run-time, binaries are constructed in three stages: + %% 1) First the size of the binary is calculated. + %% 2) Then the binary is allocated. + %% 3) Then each field in the binary is constructed. + %% For simplicity, we use the target register to also hold the + %% size of the binary. Therefore the target register must *not* + %% be one of the source registers. + + %% First allocate the target register. Int0 = Bef#sr{reg=put_reg(R, Bef#sr.reg)}, Target = fetch_reg(R, Int0#sr.reg), - Fail = {f,Bfail}, + + %% Also allocate a scratch register for size calculations. Temp = find_scratch_reg(Int0#sr.reg), + + %% First generate the code that constructs each field. + Fail = {f,Bfail}, PutCode = cg_bin_put(Segs, Fail, Bef), {Sis,Int1} = case InCatch of @@ -1409,6 +1443,8 @@ set_cg([{var,R}], {binary,Segs}, Le, Vdb, Bef, end, MaxRegs = max_reg(Bef#sr.reg), Aft = clear_dead(Int1, Le#l.i, Vdb), + + %% Now generate the complete code for constructing the binary. Code = cg_binary(PutCode, Target, Temp, Fail, MaxRegs, Le#l.a), {Sis++Code,Aft,St}; set_cg([{var,R}], Con, Le, Vdb, Bef, St) -> @@ -1418,10 +1454,8 @@ set_cg([{var,R}], Con, Le, Vdb, Bef, St) -> Ais = case Con of {tuple,Es} -> [{put_tuple,length(Es),Ret}] ++ cg_build_args(Es, Bef); - {var,V} -> % Normally removed by kernel optimizer. - [{move,fetch_var(V, Int),Ret}]; Other -> - [{move,Other,Ret}] + [{move,cg_reg_arg(Other, Int),Ret}] end, {Ais,clear_dead(Int, Le#l.i, Vdb),St}. @@ -1575,8 +1609,7 @@ cg_gen_binsize([], _, _, _, _, Acc) -> Acc. %% cg_bin_opt(Code0) -> Code %% Optimize the size calculations for binary construction. -cg_bin_opt([{move,Size,D},{bs_append,Fail,D,Extra,Regs0,U,Bin,Flags,D}|Is]) -> - Regs = cg_bo_newregs(Regs0, D), +cg_bin_opt([{move,Size,D},{bs_append,Fail,D,Extra,Regs,U,Bin,Flags,D}|Is]) -> cg_bin_opt([{bs_append,Fail,Size,Extra,Regs,U,Bin,Flags,D}|Is]); cg_bin_opt([{move,Size,D},{bs_private_append,Fail,D,U,Bin,Flags,D}|Is]) -> cg_bin_opt([{bs_private_append,Fail,Size,U,Bin,Flags,D}|Is]); @@ -1584,9 +1617,8 @@ cg_bin_opt([{move,{integer,0},D},{bs_add,_,[D,{integer,_}=S,1],Dst}|Is]) -> cg_bin_opt([{move,S,Dst}|Is]); cg_bin_opt([{move,{integer,0},D},{bs_add,Fail,[D,S,U],Dst}|Is]) -> cg_bin_opt([{bs_add,Fail,[{integer,0},S,U],Dst}|Is]); -cg_bin_opt([{move,{integer,Bytes},D},{Op,Fail,D,Extra,Regs0,Flags,D}|Is]) +cg_bin_opt([{move,{integer,Bytes},D},{Op,Fail,D,Extra,Regs,Flags,D}|Is]) when Op =:= bs_init2; Op =:= bs_init_bits -> - Regs = cg_bo_newregs(Regs0, D), cg_bin_opt([{Op,Fail,Bytes,Extra,Regs,Flags,D}|Is]); cg_bin_opt([{move,Src1,Dst},{bs_add,Fail,[Dst,Src2,U],Dst}|Is]) -> cg_bin_opt([{bs_add,Fail,[Src1,Src2,U],Dst}|Is]); @@ -1594,20 +1626,9 @@ cg_bin_opt([I|Is]) -> [I|cg_bin_opt(Is)]; cg_bin_opt([]) -> []. -cg_bo_newregs(R, {x,X}) when R-1 =:= X -> R-1; -cg_bo_newregs(R, _) -> R. - -%% Common for new and old binary code generation. - cg_bin_put({bin_seg,[],S0,U,T,Fs,[E0,Next]}, Fail, Bef) -> - S1 = case S0 of - {var,Sv} -> fetch_var(Sv, Bef); - _ -> S0 - end, - E1 = case E0 of - {var,V} -> fetch_var(V, Bef); - Other -> Other - end, + S1 = cg_reg_arg(S0, Bef), + E1 = cg_reg_arg(E0, Bef), {Format,Op} = case T of integer -> {plain,bs_put_integer}; utf8 -> {utf,bs_put_utf8}; @@ -1625,9 +1646,7 @@ cg_bin_put({bin_seg,[],S0,U,T,Fs,[E0,Next]}, Fail, Bef) -> cg_bin_put({bin_end,[]}, _, _) -> []. cg_build_args(As, Bef) -> - map(fun ({var,V}) -> {put,fetch_var(V, Bef)}; - (Other) -> {put,Other} - end, As). + [{put,cg_reg_arg(A, Bef)} || A <- As]. %% return_cg([Val], Le, Vdb, Bef, St) -> {[Ainstr],Aft,St}. %% break_cg([Val], Le, Vdb, Bef, St) -> {[Ainstr],Aft,St}. @@ -1906,27 +1925,13 @@ fetch_var(V, Sr) -> error -> fetch_stack(V, Sr#sr.stk) end. -% find_var(V, Sr) -> -% case find_reg(V, Sr#sr.reg) of -% {ok,R} -> {ok,R}; -% error -> -% case find_stack(V, Sr#sr.stk) of -% {ok,S} -> {ok,S}; -% error -> error -% end -% end. - load_vars(Vs, Regs) -> foldl(fun ({var,V}, Rs) -> put_reg(V, Rs) end, Regs, Vs). %% put_reg(Val, Regs) -> Regs. -%% free_reg(Val, Regs) -> Regs. %% find_reg(Val, Regs) -> ok{r{R}} | error. %% fetch_reg(Val, Regs) -> r{R}. %% Functions to interface the registers. -%% put_reg puts a value into a free register, -%% load_reg loads a value into a fixed register -%% free_reg frees a register containing a specific value. % put_regs(Vs, Rs) -> foldl(fun put_reg/2, Rs, Vs). @@ -1937,10 +1942,6 @@ put_reg_1(V, [{reserved,I,V}|Rs], I) -> [{I,V}|Rs]; put_reg_1(V, [R|Rs], I) -> [R|put_reg_1(V, Rs, I+1)]; put_reg_1(V, [], I) -> [{I,V}]. -% free_reg(V, [{I,V}|Rs]) -> [free|Rs]; -% free_reg(V, [R|Rs]) -> [R|free_reg(V, Rs)]; -% free_reg(V, []) -> []. - fetch_reg(V, [{I,V}|_]) -> {x,I}; fetch_reg(V, [_|SRs]) -> fetch_reg(V, SRs). @@ -1957,9 +1958,6 @@ find_scratch_reg([free|_], I) -> {x,I}; find_scratch_reg([_|Rs], I) -> find_scratch_reg(Rs, I+1); find_scratch_reg([], I) -> {x,I}. -%%copy_reg(Val, R, Regs) -> load_reg(Val, R, Regs). -%%move_reg(Val, R, Regs) -> load_reg(Val, R, free_reg(Val, Regs)). - replace_reg_contents(Old, New, [{I,Old}|Rs]) -> [{I,New}|Rs]; replace_reg_contents(Old, New, [R|Rs]) -> [R|replace_reg_contents(Old, New, Rs)]. diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl index b184987625..8ef71e1346 100644 --- a/lib/compiler/src/v3_kernel.erl +++ b/lib/compiler/src/v3_kernel.erl @@ -81,7 +81,7 @@ -export([module/2,format_error/1]). -import(lists, [map/2,foldl/3,foldr/3,mapfoldl/3,splitwith/2,member/2, - keymember/3,keyfind/3]). + keymember/3,keyfind/3,partition/2]). -import(ordsets, [add_element/2,del_element/2,union/2,union/1,subtract/2]). -import(cerl, [c_tuple/1]). @@ -1081,9 +1081,44 @@ select_bin_con(Cs0) -> end, Cs0), select_bin_con_1(Cs1). + select_bin_con_1(Cs) -> try - select_bin_int(Cs) + %% The usual way to match literals is to first extract the + %% value to a register, and then compare the register to the + %% literal value. Extracting the value is good if we need + %% compare it more than once. + %% + %% But we would like to combine the extracting and the + %% comparing into a single instruction if we know that + %% a binary segment must contain specific integer value + %% or the matching will fail, like in this example: + %% + %% <<42:8,...>> -> + %% <<42:8,...>> -> + %% . + %% . + %% . + %% <<42:8,...>> -> + %% <<>> -> + %% + %% The first segment must either contain the integer 42 + %% or the binary must end for the match to succeed. + %% + %% The way we do is to replace the generic #k_bin_seg{} + %% record with a #k_bin_int{} record if all clauses will + %% select the same literal integer (except for one or more + %% clauses that will end the binary). + + {BinSegs0,BinEnd} = + partition(fun (C) -> + clause_con(C) =:= k_bin_seg + end, Cs), + BinSegs = select_bin_int(BinSegs0), + case BinEnd of + [] -> BinSegs; + [_|_] -> BinSegs ++ [{k_bin_end,BinEnd}] + end catch throw:not_possible -> select_bin_con_2(Cs) @@ -1097,7 +1132,7 @@ select_bin_con_2([]) -> []. %% select_bin_int([Clause]) -> {k_bin_int,[Clause]} %% If the first pattern in each clause selects the same integer, -%% rewrite all clauses to use #k_bin_int{} (which will later to +%% rewrite all clauses to use #k_bin_int{} (which will later be %% translated to a bs_match_string/4 instruction). %% %% If it is not possible to do this rewrite, a 'not_possible' @@ -1346,7 +1381,7 @@ clause_arg(#iclause{pats=[Arg|_]}) -> Arg. clause_con(C) -> arg_con(clause_arg(C)). -clause_val(C) -> arg_val(clause_arg(C)). +clause_val(C) -> arg_val(clause_arg(C), C). is_var_clause(C) -> clause_con(C) =:= k_var. @@ -1377,7 +1412,7 @@ arg_con(Arg) -> #k_var{} -> k_var end. -arg_val(Arg) -> +arg_val(Arg, C) -> case arg_arg(Arg) of #k_literal{val=Lit} -> Lit; #k_int{val=I} -> I; @@ -1385,7 +1420,13 @@ arg_val(Arg) -> #k_atom{val=A} -> A; #k_tuple{es=Es} -> length(Es); #k_bin_seg{size=S,unit=U,type=T,flags=Fs} -> - {set_kanno(S, []),U,T,Fs} + case S of + #k_var{name=V} -> + #iclause{isub=Isub} = C, + {#k_var{name=get_vsub(V, Isub)},U,T,Fs}; + _ -> + {set_kanno(S, []),U,T,Fs} + end end. %% ubody_used_vars(Expr, State) -> [UsedVar] diff --git a/lib/compiler/test/bs_construct_SUITE.erl b/lib/compiler/test/bs_construct_SUITE.erl index 9ab76449c7..a393aaeffd 100644 --- a/lib/compiler/test/bs_construct_SUITE.erl +++ b/lib/compiler/test/bs_construct_SUITE.erl @@ -360,6 +360,11 @@ in_catch(Config) when is_list(Config) -> ?line <<255>> = small(255, <<1,2,3,4,5,6,7,8,9>>), ?line <<1,2>> = small(<<7,8,9,10>>, 258), ?line <<>> = small(<<1,2,3,4,5>>, <<7,8,9,10>>), + + <<15,240,0,42>> = small2(255, 42), + <<7:20>> = small2(<<1,2,3>>, 7), + <<300:12>> = small2(300, <<1,2,3>>), + <<>> = small2(<<1>>, <<2>>), ok. small(A, B) -> @@ -381,6 +386,25 @@ small(A, B) -> end, <<ResA/binary,ResB/binary>>. +small2(A, B) -> + case begin + case catch <<A:12>> of + {'EXIT',_} -> <<>>; + ResA0 -> ResA0 + end + end of + ResA -> ok + end, + case begin + case catch <<B:20>> of + {'EXIT',_} -> <<>>; + ResB0 -> ResB0 + end + end of + ResB -> ok + end, + <<ResA/binary-unit:1,ResB/binary-unit:1>>. + nasty_literals(Config) when is_list(Config) -> case erlang:system_info(endian) of big -> diff --git a/lib/compiler/test/bs_match_SUITE.erl b/lib/compiler/test/bs_match_SUITE.erl index 01b7568122..0e9d0bbc17 100644 --- a/lib/compiler/test/bs_match_SUITE.erl +++ b/lib/compiler/test/bs_match_SUITE.erl @@ -33,7 +33,7 @@ matching_meets_construction/1,simon/1,matching_and_andalso/1, otp_7188/1,otp_7233/1,otp_7240/1,otp_7498/1, match_string/1,zero_width/1,bad_size/1,haystack/1, - cover_beam_bool/1]). + cover_beam_bool/1,matched_out_size/1]). -export([coverage_id/1,coverage_external_ignore/2]). @@ -53,7 +53,7 @@ all() -> matching_meets_construction, simon, matching_and_andalso, otp_7188, otp_7233, otp_7240, otp_7498, match_string, zero_width, bad_size, haystack, - cover_beam_bool]. + cover_beam_bool, matched_out_size]. groups() -> []. @@ -1062,6 +1062,33 @@ do_cover_beam_bool(Bin, X) when X > 0 -> do_cover_beam_bool(<<_,Bin/binary>>, X) -> do_cover_beam_bool(Bin, X+1). +matched_out_size(Config) when is_list(Config) -> + {253,16#DEADBEEF} = mos_int(<<8,253,16#DEADBEEF:32>>), + {6,16#BEEFDEAD} = mos_int(<<3,6:3,16#BEEFDEAD:32>>), + {53,16#CAFEDEADBEEFCAFE} = mos_int(<<16,53:16,16#CAFEDEADBEEFCAFE:64>>), + {23,16#CAFEDEADBEEFCAFE} = mos_int(<<5,23:5,16#CAFEDEADBEEFCAFE:64>>), + + {<<1,2,3>>,4} = mos_bin(<<3,1,2,3,4,3>>), + {<<1,2,3,7>>,19,42} = mos_bin(<<4,1,2,3,7,19,4,42>>), + <<1,2,3,7>> = mos_bin(<<4,1,2,3,7,"abcdefghij">>), + + ok. + +mos_int(<<L,I:L,X:32>>) -> + {I,X}; +mos_int(<<L,I:L,X:64>>) -> + {I,X}. + +mos_bin(<<L,Bin:L/binary,X:8,L>>) -> + L = byte_size(Bin), + {Bin,X}; +mos_bin(<<L,Bin:L/binary,X:8,L,Y:8>>) -> + L = byte_size(Bin), + {Bin,X,Y}; +mos_bin(<<L,Bin:L/binary,"abcdefghij">>) -> + L = byte_size(Bin), + Bin. + check(F, R) -> R = F(). diff --git a/lib/compiler/test/compilation_SUITE.erl b/lib/compiler/test/compilation_SUITE.erl index fed7bec7d4..34f105b5fc 100644 --- a/lib/compiler/test/compilation_SUITE.erl +++ b/lib/compiler/test/compilation_SUITE.erl @@ -623,7 +623,7 @@ string_table(Config) when is_list(Config) -> ?line File = filename:join(DataDir, "string_table.erl"), ?line {ok,string_table,Beam,[]} = compile:file(File, [return, binary]), ?line {ok,{string_table,[StringTableChunk]}} = beam_lib:chunks(Beam, ["StrT"]), - ?line {"StrT", <<"stringabletringtable">>} = StringTableChunk, + ?line {"StrT", <<"stringtable">>} = StringTableChunk, ok. otp_8949_a(Config) when is_list(Config) -> diff --git a/lib/compiler/test/error_SUITE.erl b/lib/compiler/test/error_SUITE.erl index fb51e013ce..e798023cd8 100644 --- a/lib/compiler/test/error_SUITE.erl +++ b/lib/compiler/test/error_SUITE.erl @@ -22,13 +22,17 @@ -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, init_per_group/2,end_per_group/2, - head_mismatch_line/1,warnings_as_errors/1, bif_clashes/1]). + head_mismatch_line/1,warnings_as_errors/1, bif_clashes/1, + transforms/1]). + +%% Used by transforms/1 test case. +-export([parse_transform/2]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> test_lib:recompile(?MODULE), - [head_mismatch_line, warnings_as_errors, bif_clashes]. + [head_mismatch_line, warnings_as_errors, bif_clashes, transforms]. groups() -> []. @@ -216,6 +220,24 @@ warnings_as_errors(Config) when is_list(Config) -> ok. +transforms(Config) -> + Ts1 = [{undef_parse_transform, + <<" + -compile({parse_transform,non_existing}). + ">>, + [return], + {error,[{none,compile,{undef_parse_transform,non_existing}}],[]}}], + [] = run(Config, Ts1), + Ts2 = <<" + -compile({parse_transform,",?MODULE_STRING,"}). + ">>, + {error,[{none,compile,{parse_transform,?MODULE,{too_bad,_}}}],[]} = + run_test(Ts2, test_filename(Config), [], dont_write_beam), + ok. + +parse_transform(_, _) -> + error(too_bad). + run(Config, Tests) -> ?line File = test_filename(Config), diff --git a/lib/compiler/test/misc_SUITE.erl b/lib/compiler/test/misc_SUITE.erl index 0376c7ef3e..6df8b2ac30 100644 --- a/lib/compiler/test/misc_SUITE.erl +++ b/lib/compiler/test/misc_SUITE.erl @@ -182,6 +182,14 @@ silly_coverage(Config) when is_list(Config) -> CodegenInput = {?MODULE,[{foo,0}],[],[{function,foo,0,[a|b],a,b,[]}]}, ?line expect_error(fun() -> v3_codegen:module(CodegenInput, []) end), + %% beam_a + BeamAInput = {?MODULE,[{foo,0}],[], + [{function,foo,0,2, + [{label,1}, + {func_info,{atom,?MODULE},{atom,foo},0}, + {label,2}|non_proper_list]}],99}, + expect_error(fun() -> beam_a:module(BeamAInput, []) end), + %% beam_block BlockInput = {?MODULE,[{foo,0}],[], [{function,foo,0,2, @@ -263,6 +271,13 @@ silly_coverage(Config) when is_list(Config) -> {block,[a|b]}]}],0}, ?line expect_error(fun() -> beam_receive:module(ReceiveInput, []) end), + BeamZInput = {?MODULE,[{foo,0}],[], + [{function,foo,0,2, + [{label,1}, + {func_info,{atom,?MODULE},{atom,foo},0}, + {label,2}|non_proper_list]}],99}, + expect_error(fun() -> beam_z:module(BeamZInput, []) end), + ok. expect_error(Fun) -> diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/no_4.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/no_4.erl new file mode 100644 index 0000000000..3ce222176b --- /dev/null +++ b/lib/compiler/test/receive_SUITE_data/ref_opt/no_4.erl @@ -0,0 +1,12 @@ +-module(no_4). +-compile(export_all). + +?MODULE() -> + ok. + +f(X) -> + {Pid,Ref} = spawn_monitor(fun() -> ok end), + r(Pid, Ref). + +r(_, _) -> + ok. diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_10.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_10.erl new file mode 100644 index 0000000000..7ce6e6103c --- /dev/null +++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_10.erl @@ -0,0 +1,13 @@ +-module(yes_10). +-compile(export_all). + +?MODULE() -> + ok. + +f() -> + Ref = make_ref(), + receive + %% Artifical example to cover more code in beam_receive. + {X,Y} when Ref =/= X, Ref =:= Y -> + ok + end. diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_11.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_11.erl new file mode 100644 index 0000000000..62f439fc42 --- /dev/null +++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_11.erl @@ -0,0 +1,21 @@ +-module(yes_11). +-compile(export_all). + +?MODULE() -> + ok. + +%% Artifical example to cover more code in beam_receive. +do_call(Process, Request) -> + Mref = erlang:monitor(process, Process), + Process ! Request, + receive + {X,Y,Z} when Mref =/= X, Z =:= 42, Mref =:= Y -> + error; + {X,Y,_} when Mref =/= X, Mref =:= Y -> + error; + {Mref, Reply} -> + erlang:demonitor(Mref, [flush]), + {ok, Reply}; + {'DOWN', Mref, _, _, _} -> + error + end. diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_12.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_12.erl new file mode 100644 index 0000000000..efcfed6059 --- /dev/null +++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_12.erl @@ -0,0 +1,12 @@ +-module(yes_12). +-compile(export_all). + +?MODULE() -> + ok. + +f() -> + {_,Ref} = spawn_monitor(fun() -> ok end), + receive + {'DOWN',Ref,_,_,Reason} -> + Reason + end. diff --git a/lib/compiler/test/receive_SUITE_data/ref_opt/yes_13.erl b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_13.erl new file mode 100644 index 0000000000..9e93d12ed6 --- /dev/null +++ b/lib/compiler/test/receive_SUITE_data/ref_opt/yes_13.erl @@ -0,0 +1,12 @@ +-module(yes_13). +-compile(export_all). + +?MODULE() -> + ok. + +f() -> + {Pid,Ref} = spawn_monitor(fun() -> ok end), + receive + {'DOWN',Ref,process,Pid,Reason} -> + Reason + end. diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia index b397d37523..17f2bd2ea8 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia +++ b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia @@ -1,7 +1,6 @@ mnesia.erl:1319: Guard test size(Spec::[{_,_,_},...]) can never succeed mnesia.erl:1498: The call mnesia:bad_info_reply(Tab::atom(),Item::'type') will never return since it differs in the 2nd argument from the success typing arguments: (atom(),'memory' | 'size') -mnesia.erl:331: Function mod2abs/1 has no local return mnesia_backup.erl:49: Callback info about the mnesia_backup behaviour is not available mnesia_bup.erl:111: The created fun has no local return mnesia_bup.erl:574: Function fallback_receiver/2 has no local return diff --git a/lib/inets/test/ftp_suite_lib.erl b/lib/inets/test/ftp_suite_lib.erl index ffb58c91b6..211c9b5bee 100644 --- a/lib/inets/test/ftp_suite_lib.erl +++ b/lib/inets/test/ftp_suite_lib.erl @@ -206,7 +206,6 @@ init_per_testcase(Case, Config) init_per_testcase(Case, Config) -> put(ftp_testcase, Case), - inets:enable_trace(max, io, ftpc), do_init_per_testcase(Case, Config). do_init_per_testcase(Case, Config) diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl index cb81d2cc5e..644b01120c 100644 --- a/lib/inets/test/httpc_SUITE.erl +++ b/lib/inets/test/httpc_SUITE.erl @@ -337,7 +337,6 @@ init_per_testcase(Case, Timeout, Config) -> %% so this value will be overwritten (see "ipv6_" below). %% </IPv6> - inets:enable_trace(max, io, httpc), %% inets:enable_trace(max, io, all), %% snmp:set_trace([gen_tcp]), tsp("init_per_testcase(~w) -> done when" @@ -381,7 +380,6 @@ end_per_testcase(http_save_to_file = Case, Config) -> end_per_testcase(Case, Config) -> io:format(user, "~n~n*** END ~w:~w ***~n~n", [?MODULE, Case]), - dbg:stop(), % ? case atom_to_list(Case) of "ipv6_" ++ _Rest -> tsp("end_per_testcase(~w) -> stop ssl", [Case]), diff --git a/lib/inets/test/httpc_cookie_SUITE.erl b/lib/inets/test/httpc_cookie_SUITE.erl index 93dbc270c5..3862bf7a20 100644 --- a/lib/inets/test/httpc_cookie_SUITE.erl +++ b/lib/inets/test/httpc_cookie_SUITE.erl @@ -276,8 +276,6 @@ secure_cookie(Config) when is_list(Config) -> tsp("secure_cookie -> entry with" "~n Config: ~p", [Config]), - inets:enable_trace(max, io, httpc), - %% httpc:reset_cookies(), tsp("secure_cookie -> Cookies 1: ~p", [httpc:which_cookies()]), @@ -309,7 +307,6 @@ secure_cookie(Config) when is_list(Config) -> tsp("secure_cookie -> Cookies 4: ~p", [httpc:which_cookies()]), - inets:disable_trace(), tsp("secure_cookie -> done"), ok. diff --git a/lib/inets/test/httpd_SUITE.erl b/lib/inets/test/httpd_SUITE.erl index 58f7d4fa25..592469a12f 100644 --- a/lib/inets/test/httpd_SUITE.erl +++ b/lib/inets/test/httpd_SUITE.erl @@ -530,24 +530,10 @@ init_per_testcase3(Case, Config) -> application:stop(inets), application:stop(ssl), cleanup_mnesia(), - - %% Set trace level - case lists:reverse(atom_to_list(Case)) of - "tset_emit" ++ _Rest -> % test-cases ending with time_test - tsp("init_per_testcase3(~w) -> disabling trace", [Case]), - inets:disable_trace(); - _ -> - tsp("init_per_testcase3(~w) -> enabling trace", [Case]), - %% TraceLevel = 70, - TraceLevel = max, - TraceDest = io, - inets:enable_trace(TraceLevel, TraceDest, httpd) - end, - + %% Start initialization tsp("init_per_testcase3(~w) -> start init", [Case]), - - + Dog = test_server:timetrap(inets_test_lib:minutes(10)), NewConfig = lists:keydelete(watchdog, 1, Config), TcTopDir = ?config(tc_top_dir, Config), diff --git a/lib/inets/test/inets_SUITE.erl b/lib/inets/test/inets_SUITE.erl index 6fa0f44d77..069c68fa1e 100644 --- a/lib/inets/test/inets_SUITE.erl +++ b/lib/inets/test/inets_SUITE.erl @@ -363,8 +363,6 @@ start_ftpc(suite) -> []; start_ftpc(Config) when is_list(Config) -> process_flag(trap_exit, true), - inets:disable_trace(), - inets:enable_trace(max, io, ftpc), ok = inets:start(), try begin @@ -393,16 +391,13 @@ start_ftpc(Config) when is_list(Config) -> tsf(stand_alone_not_shutdown) end, ok = inets:stop(), - inets:disable_trace(), ok; _ -> - inets:disable_trace(), {skip, "Unable to reach selected FTP server " ++ FtpdHost} end end catch throw:{error, not_found} -> - inets:disable_trace(), {skip, "No available FTP servers"} end. @@ -462,8 +457,6 @@ httpd_reload(Config) when is_list(Config) -> {document_root, PrivDir}, {bind_address, "localhost"}], - inets:enable_trace(max, io), - i("httpd_reload -> start inets"), ok = inets:start(), diff --git a/lib/inets/test/inets_sup_SUITE.erl b/lib/inets/test/inets_sup_SUITE.erl index 1d262a2739..65f0f0e09a 100644 --- a/lib/inets/test/inets_sup_SUITE.erl +++ b/lib/inets/test/inets_sup_SUITE.erl @@ -226,8 +226,6 @@ ftpc_worker(doc) -> ftpc_worker(suite) -> []; ftpc_worker(Config) when is_list(Config) -> - inets:disable_trace(), - inets:enable_trace(max, io, ftpc), [] = supervisor:which_children(ftp_sup), try begin @@ -239,20 +237,16 @@ ftpc_worker(Config) when is_list(Config) -> inets:stop(ftpc, Pid), test_server:sleep(5000), [] = supervisor:which_children(ftp_sup), - inets:disable_trace(), ok; Children -> - inets:disable_trace(), exit({unexpected_children, Children}) end; _ -> - inets:disable_trace(), {skip, "Unable to reach test FTP server"} end end catch throw:{error, not_found} -> - inets:disable_trace(), {skip, "No available FTP servers"} end. diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java index b9b43481ee..ae5f4ee072 100644 --- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java +++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpInputStream.java @@ -1112,12 +1112,16 @@ public class OtpInputStream extends ByteArrayInputStream { final int size = read4BE(); final byte[] buf = new byte[size]; final java.util.zip.InflaterInputStream is = - new java.util.zip.InflaterInputStream(this); + new java.util.zip.InflaterInputStream(this, new java.util.zip.Inflater(), size); + int curPos = 0; try { - final int dsize = is.read(buf, 0, size); - if (dsize != size) { + int curRead; + while(curPos < size && (curRead = is.read(buf, curPos, size - curPos)) != -1) { + curPos += curRead; + } + if (curPos != size) { throw new OtpErlangDecodeException("Decompression gave " - + dsize + " bytes, not " + size); + + curPos + " bytes, not " + size); } } catch (final IOException e) { throw new OtpErlangDecodeException("Cannot read from input stream"); diff --git a/lib/jinterface/test/nc_SUITE.erl b/lib/jinterface/test/nc_SUITE.erl index 9c88400c2a..d5388e54f4 100644 --- a/lib/jinterface/test/nc_SUITE.erl +++ b/lib/jinterface/test/nc_SUITE.erl @@ -89,7 +89,7 @@ end_per_suite(Config) -> init_per_testcase(Case, Config) -> T = case atom_to_list(Case) of "unicode"++_ -> 240; - _ -> 20 + _ -> 30 end, WatchDog = test_server:timetrap(test_server:seconds(T)), [{watchdog, WatchDog}| Config]. @@ -187,10 +187,18 @@ binary_roundtrip(Config) when is_list(Config) -> decompress_roundtrip(doc) -> []; decompress_roundtrip(suite) -> []; decompress_roundtrip(Config) when is_list(Config) -> + RandomBin = erlang:term_to_binary(lists:seq(1, 5 * 1024 * 1024)), % roughly 26MB + <<RandomBin1k:1024/binary,_/binary>> = RandomBin, + <<RandomBin1M:1048576/binary,_/binary>> = RandomBin, + <<RandomBin10M:10485760/binary,_/binary>> = RandomBin, Terms = [0.0, math:sqrt(2), <<1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,31:5>>, + RandomBin1k, + RandomBin1M, + RandomBin10M, + RandomBin, make_ref()], OutTrans = fun (D) -> @@ -205,10 +213,18 @@ decompress_roundtrip(Config) when is_list(Config) -> compress_roundtrip(doc) -> []; compress_roundtrip(suite) -> []; compress_roundtrip(Config) when is_list(Config) -> + RandomBin = erlang:term_to_binary(lists:seq(1, 5 * 1024 * 1024)), % roughly 26MB + <<RandomBin1k:1024/binary,_/binary>> = RandomBin, + <<RandomBin1M:1048576/binary,_/binary>> = RandomBin, + <<RandomBin10M:10485760/binary,_/binary>> = RandomBin, Terms = [0.0, math:sqrt(2), <<1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,31:5>>, + RandomBin1k, + RandomBin1M, + RandomBin10M, + RandomBin, make_ref()], OutTrans = fun (D) -> diff --git a/lib/kernel/src/erl_ddll.erl b/lib/kernel/src/erl_ddll.erl index f967fcc2ef..e03d280cd8 100644 --- a/lib/kernel/src/erl_ddll.erl +++ b/lib/kernel/src/erl_ddll.erl @@ -54,9 +54,7 @@ info(_, _) -> erlang:nif_error(undef). -spec format_error_int(ErrSpec) -> string() when - ErrSpec :: inconsisten | linked_in_driver | permanent - | not_loaded | not_loaded_by_this_process | not_pending - | already_loaded | unloading. + ErrSpec :: term(). format_error_int(_) -> erlang:nif_error(undef). diff --git a/lib/kernel/test/gen_sctp_SUITE.erl b/lib/kernel/test/gen_sctp_SUITE.erl index bcc2f0b840..2a886b2efc 100644 --- a/lib/kernel/test/gen_sctp_SUITE.erl +++ b/lib/kernel/test/gen_sctp_SUITE.erl @@ -31,22 +31,24 @@ [basic/1, api_open_close/1,api_listen/1,api_connect_init/1,api_opts/1, xfer_min/1,xfer_active/1,def_sndrcvinfo/1,implicit_inet6/1, - basic_stream/1, xfer_stream_min/1, peeloff/1, buffers/1, open_multihoming_ipv4_socket/1, open_unihoming_ipv6_socket/1, open_multihoming_ipv6_socket/1, - open_multihoming_ipv4_and_ipv6_socket/1]). + open_multihoming_ipv4_and_ipv6_socket/1, + basic_stream/1, xfer_stream_min/1, peeloff_active_once/1, + peeloff_active_true/1, buffers/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [basic, api_open_close, api_listen, api_connect_init, api_opts, xfer_min, xfer_active, def_sndrcvinfo, implicit_inet6, - basic_stream, xfer_stream_min, peeloff, buffers, open_multihoming_ipv4_socket, open_unihoming_ipv6_socket, open_multihoming_ipv6_socket, - open_multihoming_ipv4_and_ipv6_socket]. + open_multihoming_ipv4_and_ipv6_socket, + basic_stream, xfer_stream_min, peeloff_active_once, + peeloff_active_true, buffers]. groups() -> []. @@ -923,23 +925,34 @@ do_from_other_process(Fun) -> end. +peeloff_active_once(doc) -> + "Peel off an SCTP stream socket ({active,once})"; +peeloff_active_once(suite) -> + []; + +peeloff_active_once(Config) -> + peeloff(Config, [{active,once}]). -peeloff(doc) -> - "Peel off an SCTP stream socket"; -peeloff(suite) -> +peeloff_active_true(doc) -> + "Peel off an SCTP stream socket ({active,true})"; +peeloff_active_true(suite) -> []; -peeloff(Config) when is_list(Config) -> + +peeloff_active_true(Config) -> + peeloff(Config, [{active,true}]). + +peeloff(Config, SockOpts) when is_list(Config) -> ?line Addr = {127,0,0,1}, ?line Stream = 0, ?line Timeout = 333, - ?line S1 = socket_open([{ifaddr,Addr}], Timeout), + ?line S1 = socket_open([{ifaddr,Addr}|SockOpts], Timeout), ?line ?LOGVAR(S1), ?line P1 = socket_call(S1, get_port), ?line ?LOGVAR(P1), ?line Socket1 = socket_call(S1, get_socket), ?line ?LOGVAR(Socket1), ?line socket_call(S1, {listen,true}), - ?line S2 = socket_open([{ifaddr,Addr}], Timeout), + ?line S2 = socket_open([{ifaddr,Addr}|SockOpts], Timeout), ?line ?LOGVAR(S2), ?line P2 = socket_call(S2, get_port), ?line ?LOGVAR(P2), @@ -983,7 +996,7 @@ peeloff(Config) when is_list(Config) -> socket_bailout([S1,S2]) end, %% - ?line S3 = socket_peeloff(Socket1, S1Ai, Timeout), + ?line S3 = socket_peeloff(Socket1, S1Ai, SockOpts, Timeout), ?line ?LOGVAR(S3), ?line P3_X = socket_call(S3, get_port), ?line ?LOGVAR(P3_X), @@ -1302,8 +1315,15 @@ recv_comm_up_eventually(S) -> %%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% socket gen_server ultra light -socket_open(SocketOpts, Timeout) -> - Opts = [{type,seqpacket},{active,once},binary|SocketOpts], +socket_open(SockOpts0, Timeout) -> + SockOpts = + case lists:keyfind(active,1,SockOpts0) of + false -> + [{active,once}|SockOpts0]; + _ -> + SockOpts0 + end, + Opts = [{type,seqpacket},binary|SockOpts], Starter = fun () -> {ok,Socket} = @@ -1312,8 +1332,8 @@ socket_open(SocketOpts, Timeout) -> end, s_start(Starter, Timeout). -socket_peeloff(Socket, AssocId, Timeout) -> - Opts = [{active,once},binary], +socket_peeloff(Socket, AssocId, SocketOpts, Timeout) -> + Opts = [binary|SocketOpts], Starter = fun () -> {ok,NewSocket} = diff --git a/lib/sasl/src/release_handler.erl b/lib/sasl/src/release_handler.erl index 5efd932c92..1ff3eb96eb 100644 --- a/lib/sasl/src/release_handler.erl +++ b/lib/sasl/src/release_handler.erl @@ -494,10 +494,10 @@ find_script(App, Dir, OldVsn, UpOrDown) -> up -> UpFromScripts; down -> DownToScripts end, - case lists:keysearch(OldVsn, 1, Scripts) of - {value, {_OldVsn, Script}} -> - {NewVsn, Script}; - false -> + case systools_relup:appup_search_for_version(OldVsn,Scripts) of + {ok,Script} -> + {NewVsn,Script}; + error -> throw({version_not_in_appup, OldVsn}) end; {error, enoent} -> diff --git a/lib/sasl/src/systools_relup.erl b/lib/sasl/src/systools_relup.erl index 7fb623bb85..7048184426 100644 --- a/lib/sasl/src/systools_relup.erl +++ b/lib/sasl/src/systools_relup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2012. 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 @@ -114,7 +114,8 @@ -define(R15_SASL_VSN,"2.2"). -%% For test purposes only - used by kernel, stdlib and sasl tests +%% Used by release_handler:find_script/4. +%% Also used by kernel, stdlib and sasl tests -export([appup_search_for_version/2]). %%----------------------------------------------------------------- diff --git a/lib/sasl/test/release_handler_SUITE.erl b/lib/sasl/test/release_handler_SUITE.erl index 87a755031c..94cffc988d 100644 --- a/lib/sasl/test/release_handler_SUITE.erl +++ b/lib/sasl/test/release_handler_SUITE.erl @@ -63,7 +63,8 @@ cases() -> instructions, eval_appup, eval_appup_with_restart, supervisor_which_children_timeout, release_handler_which_releases, install_release_syntax_check, - upgrade_supervisor, upgrade_supervisor_fail, otp_9864]. + upgrade_supervisor, upgrade_supervisor_fail, otp_9864, + otp_10463_upgrade_script_regexp]. groups() -> [{release,[], @@ -1660,6 +1661,15 @@ upgrade_gg(cleanup,Config) -> ok = stop_nodes(NodeNames). +%%%----------------------------------------------------------------- +%%% OTP-10463, Bug - release_handler could not handle regexp in appup +%%% files. +otp_10463_upgrade_script_regexp(_Config) -> + %% Assuming that kernel always has a regexp in it's appup + KernelVsn = vsn(kernel,current), + {ok,KernelVsn,_} = + release_handler:upgrade_script(kernel,code:lib_dir(kernel)), + ok. %%%================================================================= diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl index 781e01b9d1..c8c610f8ef 100644 --- a/lib/ssh/src/ssh_cli.erl +++ b/lib/ssh/src/ssh_cli.erl @@ -81,7 +81,8 @@ handle_ssh_msg({ssh_cm, ConnectionManager, height = not_zero(Height, 24), pixel_width = PixWidth, pixel_height = PixHeight, - modes = Modes}}, + modes = Modes}, + buf = empty_buf()}, set_echo(State), ssh_connection:reply_request(ConnectionManager, WantReply, success, ChannelId), diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index 240d7f70d1..9424cdd423 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -177,7 +177,7 @@ close(ConnectionManager, ChannelId) -> %% Description: Send status replies to requests that want such replies. %%-------------------------------------------------------------------- reply_request(ConnectionManager, true, Status, ChannelId) -> - ConnectionManager ! {ssh_cm, self(), {Status, ChannelId}}, + ssh_connection_manager:reply_request(ConnectionManager, Status, ChannelId), ok; reply_request(_,false, _, _) -> ok. diff --git a/lib/ssh/src/ssh_connection_manager.erl b/lib/ssh/src/ssh_connection_manager.erl index af521b77e4..422d9356d5 100644 --- a/lib/ssh/src/ssh_connection_manager.erl +++ b/lib/ssh/src/ssh_connection_manager.erl @@ -40,7 +40,7 @@ close/2, stop/1, send/5, send_eof/2]). --export([open_channel/6, request/6, request/7, global_request/4, event/2, +-export([open_channel/6, reply_request/3, request/6, request/7, global_request/4, event/2, cast/2]). %% Internal application API and spawn @@ -95,6 +95,9 @@ request(ConnectionManager, ChannelId, Type, true, Data, Timeout) -> request(ConnectionManager, ChannelId, Type, false, Data, _) -> cast(ConnectionManager, {request, ChannelId, Type, Data}). +reply_request(ConnectionManager, Status, ChannelId) -> + cast(ConnectionManager, {reply_request, Status, ChannelId}). + global_request(ConnectionManager, Type, true = Reply, Data) -> case call(ConnectionManager, {global_request, self(), Type, Reply, Data}) of @@ -443,6 +446,16 @@ handle_cast({request, ChannelId, Type, Data}, State0) -> lists:foreach(fun send_msg/1, Replies), {noreply, State}; +handle_cast({reply_request, Status, ChannelId}, #state{connection_state = + #connection{channel_cache = Cache}} = State0) -> + State = case ssh_channel:cache_lookup(Cache, ChannelId) of + #channel{remote_id = RemoteId} -> + cm_message({Status, RemoteId}, State0); + undefined -> + State0 + end, + {noreply, State}; + handle_cast({global_request, _, _, _, _} = Request, State0) -> State = handle_global_request(Request, State0), {noreply, State}; diff --git a/lib/stdlib/doc/src/supervisor.xml b/lib/stdlib/doc/src/supervisor.xml index f9a5e245b4..9021d02ade 100644 --- a/lib/stdlib/doc/src/supervisor.xml +++ b/lib/stdlib/doc/src/supervisor.xml @@ -294,10 +294,10 @@ child_spec() = {Id,StartFunc,Restart,Shutdown,Type,Modules} is a term with information about the error, and the supervisor terminates with reason <c>Term</c>.</p> <p>If any child process start function fails or returns an error - tuple or an erroneous value, the function returns - <c>{error,shutdown}</c> and the supervisor terminates all - started child processes and then itself with reason - <c>shutdown</c>.</p> + tuple or an erroneous value, the supervisor will first terminate + all already started child processes with reason <c>shutdown</c> + and then terminate itself and return + <c>{error, {shutdown, Reason}}</c>.</p> </desc> </func> <func> diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl index ee6cff1b75..61bb038737 100644 --- a/lib/stdlib/src/ets.erl +++ b/lib/stdlib/src/ets.erl @@ -42,7 +42,7 @@ -export([i/0, i/1, i/2, i/3]). --export_type([tab/0, tid/0, match_spec/0, comp_match_spec/0]). +-export_type([tab/0, tid/0, match_spec/0, comp_match_spec/0, match_pattern/0]). %%----------------------------------------------------------------------------- diff --git a/lib/stdlib/src/filename.erl b/lib/stdlib/src/filename.erl index a6b42cc68c..59d6de5d10 100644 --- a/lib/stdlib/src/filename.erl +++ b/lib/stdlib/src/filename.erl @@ -69,7 +69,7 @@ absname(Name) -> -spec absname(Filename, Dir) -> file:filename() when Filename :: file:name(), - Dir :: file:filename(). + Dir :: file:name(). absname(Name, AbsBase) when is_binary(Name), is_list(AbsBase) -> absname(Name,filename_string_to_binary(AbsBase)); absname(Name, AbsBase) when is_list(Name), is_binary(AbsBase) -> @@ -123,7 +123,7 @@ absname_vr([[X, $:]|Name], _, _AbsBase) -> %% AbsBase must be absolute and Name must be relative. -spec absname_join(Dir, Filename) -> file:filename() when - Dir :: file:filename(), + Dir :: file:name(), Filename :: file:name(). absname_join(AbsBase, Name) -> join(AbsBase, flatten(Name)). @@ -388,7 +388,7 @@ extension([], Result, _OsType) -> %% Joins a list of filenames with directory separators. -spec join(Components) -> file:filename() when - Components :: [file:filename()]. + Components :: [file:name()]. join([Name1, Name2|Rest]) -> join([join(Name1, Name2)|Rest]); join([Name]) when is_list(Name) -> @@ -401,8 +401,8 @@ join([Name]) when is_atom(Name) -> %% Joins two filenames with directory separators. -spec join(Name1, Name2) -> file:filename() when - Name1 :: file:filename(), - Name2 :: file:filename(). + Name1 :: file:name(), + Name2 :: file:name(). join(Name1, Name2) when is_list(Name1), is_list(Name2) -> OsType = major_os_type(), case pathtype(Name2) of @@ -624,7 +624,7 @@ rootname2([Char|Rest], Ext, Result) when is_integer(Char) -> -spec split(Filename) -> Components when Filename :: file:name(), - Components :: [file:filename()]. + Components :: [file:name()]. split(Name) when is_binary(Name) -> case os:type() of {win32, _} -> win32_splitb(Name); @@ -718,7 +718,7 @@ split([], Comp, Components, OsType) -> %% name will be normalized as done by join/1. -spec nativename(Path) -> file:filename() when - Path :: file:filename(). + Path :: file:name(). nativename(Name0) -> Name = join([Name0]), %Normalize. case os:type() of @@ -915,10 +915,8 @@ make_abs_path(BasePath, Path) -> join(BasePath, Path). major_os_type() -> - case os:type() of - {OsT, _} -> OsT; - OsT -> OsT - end. + {OsT, _} = os:type(), + OsT. %% flatten(List) %% Flatten a list, also accepting atoms. diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl index ab62b72519..513d904c39 100644 --- a/lib/stdlib/src/io_lib.erl +++ b/lib/stdlib/src/io_lib.erl @@ -253,10 +253,10 @@ write_ref(Ref) -> write_binary(B, D) when is_integer(D) -> [$<,$<,write_binary_body(B, D),$>,$>]. -write_binary_body(_B, 1) -> - "..."; write_binary_body(<<>>, _D) -> ""; +write_binary_body(_B, 1) -> + "..."; write_binary_body(<<X:8>>, _D) -> [integer_to_list(X)]; write_binary_body(<<X:8,Rest/bitstring>>, D) -> diff --git a/lib/stdlib/src/supervisor.erl b/lib/stdlib/src/supervisor.erl index 7d3c5a0e21..9f93747c3e 100644 --- a/lib/stdlib/src/supervisor.erl +++ b/lib/stdlib/src/supervisor.erl @@ -104,7 +104,9 @@ %%% SupName = {local, atom()} | {global, atom()}. %%% --------------------------------------------------- --type startlink_err() :: {'already_started', pid()} | 'shutdown' | term(). +-type startlink_err() :: {'already_started', pid()} + | {'shutdown', term()} + | term(). -type startlink_ret() :: {'ok', pid()} | 'ignore' | {'error', startlink_err()}. -spec start_link(Module, Args) -> startlink_ret() when @@ -221,8 +223,10 @@ cast(Supervisor, Req) -> -type init_sup_name() :: sup_name() | 'self'. --type stop_rsn() :: 'shutdown' | {'bad_return', {module(),'init', term()}} - | {'bad_start_spec', term()} | {'start_spec', term()} +-type stop_rsn() :: {'shutdown', term()} + | {'bad_return', {module(),'init', term()}} + | {'bad_start_spec', term()} + | {'start_spec', term()} | {'supervisor_data', term()}. -spec init({init_sup_name(), module(), [term()]}) -> @@ -253,9 +257,9 @@ init_children(State, StartSpec) -> case start_children(Children, SupName) of {ok, NChildren} -> {ok, State#state{children = NChildren}}; - {error, NChildren} -> + {error, NChildren, Reason} -> terminate_children(NChildren, SupName), - {stop, shutdown} + {stop, {shutdown, Reason}} end; Error -> {stop, {start_spec, Error}} @@ -275,9 +279,9 @@ init_dynamic(_State, StartSpec) -> %% Func: start_children/2 %% Args: Children = [child_rec()] in start order %% SupName = {local, atom()} | {global, atom()} | {pid(), Mod} -%% Purpose: Start all children. The new list contains #child's +%% Purpose: Start all children. The new list contains #child's %% with pids. -%% Returns: {ok, NChildren} | {error, NChildren} +%% Returns: {ok, NChildren} | {error, NChildren, Reason} %% NChildren = [child_rec()] in termination order (reversed %% start order) %%----------------------------------------------------------------- @@ -293,7 +297,8 @@ start_children([Child|Chs], NChildren, SupName) -> start_children(Chs, [Child#child{pid = Pid}|NChildren], SupName); {error, Reason} -> report_error(start_error, Reason, Child, SupName), - {error, lists:reverse(Chs) ++ [Child | NChildren]} + {error, lists:reverse(Chs) ++ [Child | NChildren], + {failed_to_start_child,Child#child.name,Reason}} end; start_children([], NChildren, _SupName) -> {ok, NChildren}. @@ -793,7 +798,7 @@ restart(rest_for_one, Child, State) -> case start_children(ChAfter2, State#state.name) of {ok, ChAfter3} -> {ok, State#state{children = ChAfter3 ++ ChBefore}}; - {error, ChAfter3} -> + {error, ChAfter3, _Reason} -> NChild = Child#child{pid=restarting(Child#child.pid)}, NState = State#state{children = ChAfter3 ++ ChBefore}, {try_again, replace_child(NChild,NState)} @@ -804,7 +809,7 @@ restart(one_for_all, Child, State) -> case start_children(Children2, State#state.name) of {ok, NChs} -> {ok, State#state{children = NChs}}; - {error, NChs} -> + {error, NChs, _Reason} -> NChild = Child#child{pid=restarting(Child#child.pid)}, NState = State#state{children = NChs}, {try_again, replace_child(NChild,NState)} diff --git a/lib/stdlib/test/io_SUITE.erl b/lib/stdlib/test/io_SUITE.erl index bb02a879c2..74fcdcc7d2 100644 --- a/lib/stdlib/test/io_SUITE.erl +++ b/lib/stdlib/test/io_SUITE.erl @@ -27,7 +27,8 @@ otp_6282/1, otp_6354/1, otp_6495/1, otp_6517/1, otp_6502/1, manpage/1, otp_6708/1, otp_7084/1, otp_7421/1, io_lib_collect_line_3_wb/1, cr_whitespace_in_string/1, - io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1]). + io_fread_newlines/1, otp_8989/1, io_lib_fread_literal/1, + io_lib_print_binary_depth_one/1]). %-define(debug, true). @@ -62,7 +63,8 @@ all() -> otp_6282, otp_6354, otp_6495, otp_6517, otp_6502, manpage, otp_6708, otp_7084, otp_7421, io_lib_collect_line_3_wb, cr_whitespace_in_string, - io_fread_newlines, otp_8989, io_lib_fread_literal]. + io_fread_newlines, otp_8989, io_lib_fread_literal, + io_lib_print_binary_depth_one]. groups() -> []. @@ -2021,3 +2023,14 @@ io_lib_fread_literal(Suite) when is_list(Suite) -> ?line {done,{error,{fread,input}},_} = io_lib:fread(C2, eof, " d"), ?line {done,{ok,[]},[]} = io_lib:fread(C2, "d\n", " d"), ok. + +io_lib_print_binary_depth_one(doc) -> + "Test binaries printed with a depth of one behave correctly"; +io_lib_print_binary_depth_one(Suite) when is_list(Suite) -> + ?line "<<>>" = fmt("~W", [<<>>, 1]), + ?line "<<>>" = fmt("~P", [<<>>, 1]), + ?line "<<...>>" = fmt("~W", [<<1>>, 1]), + ?line "<<...>>" = fmt("~P", [<<1>>, 1]), + ?line "<<...>>" = fmt("~W", [<<1:7>>, 1]), + ?line "<<...>>" = fmt("~P", [<<1:7>>, 1]), + ok. diff --git a/lib/stdlib/test/supervisor_SUITE.erl b/lib/stdlib/test/supervisor_SUITE.erl index 767ae3d62c..569c66959e 100644 --- a/lib/stdlib/test/supervisor_SUITE.erl +++ b/lib/stdlib/test/supervisor_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2012. 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 @@ -46,6 +46,7 @@ temporary_normal/1, permanent_shutdown/1, transient_shutdown/1, temporary_shutdown/1, + faulty_application_shutdown/1, permanent_abnormal/1, transient_abnormal/1, temporary_abnormal/1, temporary_bystander/1]). @@ -98,7 +99,8 @@ groups() -> {normal_termination, [], [permanent_normal, transient_normal, temporary_normal]}, {shutdown_termination, [], - [permanent_shutdown, transient_shutdown, temporary_shutdown]}, + [permanent_shutdown, transient_shutdown, temporary_shutdown, + faulty_application_shutdown]}, {abnormal_termination, [], [permanent_abnormal, transient_abnormal, temporary_abnormal]}, @@ -659,6 +661,39 @@ temporary_shutdown(Config) when is_list(Config) -> [0,0,0,0] = get_child_counts(sup_test). %%------------------------------------------------------------------------- +%% Faulty application should shutdown and pass on errors +faulty_application_shutdown(Config) when is_list(Config) -> + + %% Set some paths + AppDir = filename:join(?config(data_dir, Config), "app_faulty"), + EbinDir = filename:join(AppDir, "ebin"), + + %% Start faulty app + code:add_patha(EbinDir), + + %% {error, + %% {{shutdown, + %% {failed_to_start_child, + %% app_faulty, + %% {undef, + %% [{an_undefined_module_with,an_undefined_function,[argument1,argument2], + %% []}, + %% {app_faulty_server,init,1, + %% [{file,"app_faulty/src/app_faulty_server.erl"},{line,16}]}, + %% {gen_server,init_it,6, + %% [{file,"gen_server.erl"},{line,304}]}, + %% {proc_lib,init_p_do_apply,3, + %% [{file,"proc_lib.erl"},{line,227}]}]}}}, + %% {app_faulty,start,[normal,[]]}}} + + {error, Error} = application:start(app_faulty), + {{shutdown, {failed_to_start_child,app_faulty,{undef, CallStack}}}, + {app_faulty,start,_}} = Error, + [{an_undefined_module_with,an_undefined_function,_,_}|_] = CallStack, + ok = application:unload(app_faulty), + ok. + +%%------------------------------------------------------------------------- %% A permanent child should always be restarted. permanent_abnormal(Config) when is_list(Config) -> {ok, SupPid} = start_link({ok, {{one_for_one, 2, 3600}, []}}), diff --git a/lib/stdlib/test/supervisor_SUITE_data/Makefile.src b/lib/stdlib/test/supervisor_SUITE_data/Makefile.src new file mode 100644 index 0000000000..dbc5729f47 --- /dev/null +++ b/lib/stdlib/test/supervisor_SUITE_data/Makefile.src @@ -0,0 +1,15 @@ +EFLAGS=+debug_info + +APP_FAULTY= \ + app_faulty/ebin/app_faulty_sup.@EMULATOR@ \ + app_faulty/ebin/app_faulty_server.@EMULATOR@ \ + app_faulty/ebin/app_faulty.@EMULATOR@ \ + +all: $(APP_FAULTY) + +app_faulty/ebin/app_faulty_server.@EMULATOR@: app_faulty/src/app_faulty_server.erl + erlc $(EFLAGS) -oapp_faulty/ebin app_faulty/src/app_faulty_server.erl +app_faulty/ebin/app_faulty_sup.@EMULATOR@: app_faulty/src/app_faulty_sup.erl + erlc $(EFLAGS) -oapp_faulty/ebin app_faulty/src/app_faulty_sup.erl +app_faulty/ebin/app_faulty.@EMULATOR@: app_faulty/src/app_faulty.erl + erlc $(EFLAGS) -oapp_faulty/ebin app_faulty/src/app_faulty.erl diff --git a/lib/stdlib/test/supervisor_SUITE_data/app_faulty/ebin/app_faulty.app b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/ebin/app_faulty.app new file mode 100644 index 0000000000..d4ab07e485 --- /dev/null +++ b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/ebin/app_faulty.app @@ -0,0 +1,10 @@ +{application, app_faulty, + [{description, "very simple example faulty application"}, + {id, "app_faulty"}, + {vsn, "1.0"}, + {modules, [app_faulty, app_faulty_sup, app_faulty_server]}, + {registered, [app_faulty]}, + {applications, [kernel, stdlib]}, + {env, [{var,val1}]}, + {mod, {app_faulty, []}} + ]}. diff --git a/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty.erl b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty.erl new file mode 100644 index 0000000000..c65b411cd6 --- /dev/null +++ b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty.erl @@ -0,0 +1,17 @@ +-module(app_faulty). + +-behaviour(application). + +%% Application callbacks +-export([start/2, stop/1]). + +start(_Type, _StartArgs) -> + case app_faulty_sup:start_link() of + {ok, Pid} -> + {ok, Pid}; + Error -> + Error + end. + +stop(_State) -> + ok. diff --git a/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl new file mode 100644 index 0000000000..6628f92210 --- /dev/null +++ b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_server.erl @@ -0,0 +1,32 @@ +-module(app_faulty_server). + +-behaviour(gen_server). + +%% API +-export([start_link/0]). + +%% gen_server callbacks +-export([init/1, handle_call/3, handle_cast/2, handle_info/2, + terminate/2, code_change/3]). + +start_link() -> + gen_server:start_link({local, ?MODULE}, ?MODULE, [], []). + +init([]) -> + an_undefined_module_with:an_undefined_function(argument1, argument2), + {ok, []}. + +handle_call(_Request, _From, State) -> + {reply, ok, State}. + +handle_cast(_Msg, State) -> + {noreply, State}. + +handle_info(_Info, State) -> + {noreply, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(_OldVsn, State, _Extra) -> + {ok, State}. diff --git a/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_sup.erl b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_sup.erl new file mode 100644 index 0000000000..8115a88809 --- /dev/null +++ b/lib/stdlib/test/supervisor_SUITE_data/app_faulty/src/app_faulty_sup.erl @@ -0,0 +1,17 @@ +-module(app_faulty_sup). + +-behaviour(supervisor). + +%% API +-export([start_link/0]). + +%% Supervisor callbacks +-export([init/1]). + +start_link() -> + supervisor:start_link(?MODULE, []). + +init([]) -> + AChild = {app_faulty,{app_faulty_server,start_link,[]}, + permanent,2000,worker,[app_faulty_server]}, + {ok,{{one_for_all,0,1}, [AChild]}}. diff --git a/lib/test_server/src/test_server.erl b/lib/test_server/src/test_server.erl index 8beed9bd3e..bfa5e927b1 100644 --- a/lib/test_server/src/test_server.erl +++ b/lib/test_server/src/test_server.erl @@ -2170,24 +2170,19 @@ continue(Pid) when is_pid(Pid) -> %% %% Returns the amount to scale timetraps with. +%% {X, fun() -> check() end} <- multiply scale with X if Fun() is true timetrap_scale_factor() -> - F0 = case test_server:purify_is_running() of - true -> 5; - false -> 1 - end, - F1 = case {is_debug(), has_lock_checking()} of - {true,_} -> 6 * F0; - {false,true} -> 2 * F0; - {false,false} -> F0 - end, - F = case has_superfluous_schedulers() of - true -> 3*F1; - false -> F1 - end, - case test_server:is_cover() of - true -> 10 * F; - false -> F - end. + timetrap_scale_factor([ + { 2, fun() -> has_lock_checking() end}, + { 3, fun() -> has_superfluous_schedulers() end}, + { 5, fun() -> purify_is_running() end}, + { 6, fun() -> is_debug() end}, + {10, fun() -> is_cover() end} + ]). + +timetrap_scale_factor(Scales) -> + %% The fun in {S, Fun} a filter input to the list comprehension + lists:foldl(fun(S,O) -> O*S end, 1, [ S || {S,F} <- Scales, F()]). %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% diff --git a/lib/test_server/src/test_server_node.erl b/lib/test_server/src/test_server_node.erl index 17c02dfbe5..872f15f2be 100644 --- a/lib/test_server/src/test_server_node.erl +++ b/lib/test_server/src/test_server_node.erl @@ -424,10 +424,12 @@ start_node_peer(SlaveName, OptList, From, TI) -> %% Bad environment can cause open port to fail. If this happens, %% we ignore it and let the testcase handle the situation... catch open_port({spawn, Cmd}, [stream|Opts]), + + Tmo = 60000 * test_server:timetrap_scale_factor(), case start_node_get_option_value(wait, OptList, true) of true -> - Ret = wait_for_node_started(LSock,60000,undefined,Cleanup,TI,self()), + Ret = wait_for_node_started(LSock,Tmo,undefined,Cleanup,TI,self()), case {Ret,FailOnError} of {{{ok, Node}, Warning},_} -> gen_server:reply(From,{{ok,Node},HostStr,Cmd,[],Warning}); @@ -443,7 +445,7 @@ start_node_peer(SlaveName, OptList, From, TI) -> Self = self(), spawn_link( fun() -> - wait_for_node_started(LSock,60000,undefined, + wait_for_node_started(LSock,Tmo,undefined, Cleanup,TI,Self), receive after infinity -> ok end end), |