diff options
Diffstat (limited to 'lib/dialyzer/test/options1_tests_SUITE_data/src/compiler/beam_flatten.erl')
-rw-r--r-- | lib/dialyzer/test/options1_tests_SUITE_data/src/compiler/beam_flatten.erl | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/lib/dialyzer/test/options1_tests_SUITE_data/src/compiler/beam_flatten.erl b/lib/dialyzer/test/options1_tests_SUITE_data/src/compiler/beam_flatten.erl deleted file mode 100644 index a9958f87cd..0000000000 --- a/lib/dialyzer/test/options1_tests_SUITE_data/src/compiler/beam_flatten.erl +++ /dev/null @@ -1,137 +0,0 @@ -%% ``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 via the world wide web 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. -%% -%% The Initial Developer of the Original Code is Ericsson Utvecklings AB. -%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings -%% AB. All Rights Reserved.'' -%% -%% $Id: beam_flatten.erl,v 1.1 2008/12/17 09:53:41 mikpe Exp $ -%% -%% Purpose : Converts intermediate assembly code to final format. - --module(beam_flatten). - --export([module/2]). --import(lists, [reverse/1,reverse/2,map/2]). - -module({Mod,Exp,Attr,Fs,Lc}, _Opt) -> - {ok,{Mod,Exp,Attr,map(fun function/1, Fs),Lc}}. - -function({function,Name,Arity,CLabel,Is0}) -> - Is1 = block(Is0), - Is = opt(Is1), - {function,Name,Arity,CLabel,Is}. - -block(Is) -> - block(Is, []). - -block([{block,Is0}|Is1], Acc) -> block(Is1, norm_block(Is0, Acc)); -block([I|Is], Acc) -> block(Is, [I|Acc]); -block([], Acc) -> reverse(Acc). - -norm_block([{allocate,R,Alloc}|Is], Acc0) -> - case insert_alloc_in_bs_init(Acc0, Alloc) of - not_possible -> - norm_block(Is, reverse(norm_allocate(Alloc, R), Acc0)); - Acc -> - norm_block(Is, Acc) - end; -norm_block([I|Is], Acc) -> norm_block(Is, [norm(I)|Acc]); -norm_block([], Acc) -> Acc. - -norm({set,[D],As,{bif,N}}) -> {bif,N,nofail,As,D}; -norm({set,[D],As,{bif,N,F}}) -> {bif,N,F,As,D}; -norm({set,[D],[S],move}) -> {move,S,D}; -norm({set,[D],[S],fmove}) -> {fmove,S,D}; -norm({set,[D],[S],fconv}) -> {fconv,S,D}; -norm({set,[D],[S1,S2],put_list}) -> {put_list,S1,S2,D}; -norm({set,[D],[],{put_tuple,A}}) -> {put_tuple,A,D}; -norm({set,[],[S],put}) -> {put,S}; -norm({set,[D],[],{put_string,L,S}}) -> {put_string,L,S,D}; -norm({set,[D],[S],{get_tuple_element,I}}) -> {get_tuple_element,S,I,D}; -norm({set,[],[S,D],{set_tuple_element,I}}) -> {set_tuple_element,S,D,I}; -norm({set,[D1,D2],[S],get_list}) -> {get_list,S,D1,D2}; -norm({set,[],[],remove_message}) -> remove_message; -norm({set,[],[],fclearerror}) -> fclearerror; -norm({set,[],[],fcheckerror}) -> {fcheckerror,{f,0}}; -norm({'%',_}=Comment) -> Comment; -norm({'%live',R}) -> {'%live',R}. - -norm_allocate({_Zero,nostack,Nh,[]}, Regs) -> - [{test_heap,Nh,Regs}]; -norm_allocate({_Zero,nostack,Nh,Nf,[]}, Regs) -> - [{test_heap,alloc_list(Nh, Nf),Regs}]; -norm_allocate({zero,0,Nh,[]}, Regs) -> - norm_allocate({nozero,0,Nh,[]}, Regs); -norm_allocate({zero,0,Nh,Nf,[]}, Regs) -> - norm_allocate({nozero,0,Nh,Nf,[]}, Regs); -norm_allocate({zero,Ns,0,[]}, Regs) -> - [{allocate_zero,Ns,Regs}]; -norm_allocate({zero,Ns,Nh,[]}, Regs) -> - [{allocate_heap_zero,Ns,Nh,Regs}]; -norm_allocate({nozero,Ns,0,Inits}, Regs) -> - [{allocate,Ns,Regs}|Inits]; -norm_allocate({nozero,Ns,Nh,Inits}, Regs) -> - [{allocate_heap,Ns,Nh,Regs}|Inits]; -norm_allocate({nozero,Ns,Nh,Floats,Inits}, Regs) -> - [{allocate_heap,Ns,alloc_list(Nh, Floats),Regs}|Inits]; -norm_allocate({zero,Ns,Nh,Floats,Inits}, Regs) -> - [{allocate_heap_zero,Ns,alloc_list(Nh, Floats),Regs}|Inits]. - -insert_alloc_in_bs_init([I|_]=Is, Alloc) -> - case is_bs_put(I) of - false -> - not_possible; - true -> - insert_alloc_1(Is, Alloc, []) - end. - -insert_alloc_1([{bs_init2,Fail,Bs,Ws,Regs,F,Dst}|Is], {_,nostack,Nh,Nf,[]}, Acc) -> - Al = alloc_list(Ws+Nh, Nf), - I = {bs_init2,Fail,Bs,Al,Regs,F,Dst}, - reverse(Acc, [I|Is]); -insert_alloc_1([I|Is], Alloc, Acc) -> - insert_alloc_1(Is, Alloc, [I|Acc]). - -is_bs_put({bs_put_integer,_,_,_,_,_}) -> true; -is_bs_put({bs_put_float,_,_,_,_,_}) -> true; -is_bs_put({bs_put_binary,_,_,_,_,_}) -> true; -is_bs_put({bs_put_string,_,_}) -> true; -is_bs_put(_) -> false. - -alloc_list(Words, Floats) -> - {alloc,[{words,Words},{floats,Floats}]}. - - -%% opt(Is0) -> Is -%% Simple peep-hole optimization to move a {move,Any,{x,0}} past -%% any kill up to the next call instruction. - -opt(Is) -> - opt_1(Is, []). - -opt_1([{move,_,{x,0}}=I|Is0], Acc0) -> - case move_past_kill(Is0, I, Acc0) of - impossible -> opt_1(Is0, [I|Acc0]); - {Is,Acc} -> opt_1(Is, Acc) - end; -opt_1([I|Is], Acc) -> - opt_1(Is, [I|Acc]); -opt_1([], Acc) -> reverse(Acc). - -move_past_kill([{'%live',_}|Is], Move, Acc) -> - move_past_kill(Is, Move, Acc); -move_past_kill([{kill,Src}|_], {move,Src,_}, _) -> - impossible; -move_past_kill([{kill,_}=I|Is], Move, Acc) -> - move_past_kill(Is, Move, [I|Acc]); -move_past_kill(Is, Move, Acc) -> - {Is,[Move|Acc]}. |