diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 308 | ||||
| -rw-r--r-- | lib/compiler/src/compile.erl | 29 |
2 files changed, 216 insertions, 121 deletions
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index 3b197f7bae..aa7b190670 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -28,7 +28,7 @@ -export([module/2, format_error/1]). -export([type_anno/1, type_anno/2, type_anno/4]). --import(lists, [any/2,dropwhile/2,foldl/3,map/2,foreach/2,reverse/1]). +-import(lists, [any/2,dropwhile/2,foldl/3,map/2,reverse/1,zip/2]). %% To be called by the compiler. @@ -372,7 +372,7 @@ valfun_1({put_tuple2,Dst,{list,Elements}}, Vst0) -> Type = get_term_type(Val, Vst0), Es = set_element_type(Index, Type, Es0), {Es, Index + 1} - end, {#{}, 1}, Elements), + end, {#{}, 1}, Elements), Type = {tuple,Size,Es}, create_term(Type, Dst, Vst); valfun_1({put_tuple,Sz,Dst}, Vst0) when is_integer(Sz) -> @@ -539,19 +539,20 @@ valfun_2(_, _) -> %% Handle the remaining floating point instructions here. %% Floating point. -valfun_3({fconv,Src,{fr,_}=Dst}, Vst) -> - assert_term(Src, Vst), +valfun_3({fconv,Src,{fr,_}=Dst}, Vst0) -> + assert_term(Src, Vst0), + Vst = update_type(fun meet/2, number, Src, Vst0), set_freg(Dst, Vst); -valfun_3({bif,fadd,_,[_,_]=Src,Dst}, Vst) -> - float_op(Src, Dst, Vst); -valfun_3({bif,fdiv,_,[_,_]=Src,Dst}, Vst) -> - float_op(Src, Dst, Vst); -valfun_3({bif,fmul,_,[_,_]=Src,Dst}, Vst) -> - float_op(Src, Dst, Vst); -valfun_3({bif,fnegate,_,[_]=Src,Dst}, Vst) -> - float_op(Src, Dst, Vst); -valfun_3({bif,fsub,_,[_,_]=Src,Dst}, Vst) -> - float_op(Src, Dst, Vst); +valfun_3({bif,fadd,_,[_,_]=Ss,Dst}, Vst) -> + float_op(Ss, Dst, Vst); +valfun_3({bif,fdiv,_,[_,_]=Ss,Dst}, Vst) -> + float_op(Ss, Dst, Vst); +valfun_3({bif,fmul,_,[_,_]=Ss,Dst}, Vst) -> + float_op(Ss, Dst, Vst); +valfun_3({bif,fnegate,_,[_]=Ss,Dst}, Vst) -> + float_op(Ss, Dst, Vst); +valfun_3({bif,fsub,_,[_,_]=Ss,Dst}, Vst) -> + float_op(Ss, Dst, Vst); valfun_3(fclearerror, Vst) -> case get_fls(Vst) of undefined -> ok; @@ -603,8 +604,7 @@ valfun_4({make_fun2,_,_,_,Live}, Vst) -> call(make_fun, Live, Vst); %% Other BIFs valfun_4({bif,tuple_size,{f,Fail},[Tuple],Dst}=I, Vst0) -> - Vst1 = branch_state(Fail, Vst0), - Vst = update_type(fun meet/2, {tuple,[0],#{}}, Tuple, Vst1), + Vst = type_test(Fail, {tuple,[0],#{}}, Tuple, Vst0), set_type_reg_expr({integer,[]}, I, Dst, Vst); valfun_4({bif,element,{f,Fail},[Pos,Tuple],Dst}, Vst0) -> PosType = get_durable_term_type(Pos, Vst0), @@ -634,13 +634,20 @@ valfun_4({bif,is_map_key,{f,Fail},[_Key,Map]=Ss,Dst}, Vst0) -> valfun_4({bif,Op,{f,Fail},[Cons]=Ss,Dst}, Vst0) when Op =:= hd; Op =:= tl -> validate_src(Ss, Vst0), - Vst1 = branch_state(Fail, Vst0), - Vst = update_type(fun meet/2, cons, Cons, Vst1), + Vst = type_test(Fail, cons, Cons, Vst0), Type = bif_type(Op, Ss, Vst), extract_term(Type, Ss, Dst, Vst); valfun_4({bif,Op,{f,Fail},Ss,Dst}, Vst0) -> validate_src(Ss, Vst0), - Vst = branch_state(Fail, Vst0), + Vst1 = branch_state(Fail, Vst0), + + %% Infer argument types. Note that we can't type_test in the general case + %% as the BIF could fail for reasons other than bad arguments. + ArgTypes = bif_arg_types(Op, Ss), + Vst = foldl(fun({Arg, T}, Vsti) -> + update_type(fun meet/2, T, Arg, Vsti) + end, Vst1, zip(Ss, ArgTypes)), + Type = bif_type(Op, Ss, Vst), extract_term(Type, Ss, Dst, Vst); valfun_4({gc_bif,Op,{f,Fail},Live,Ss,Dst}, #vst{current=St0}=Vst0) -> @@ -650,11 +657,12 @@ valfun_4({gc_bif,Op,{f,Fail},Live,Ss,Dst}, #vst{current=St0}=Vst0) -> St = kill_heap_allocation(St0), Vst1 = Vst0#vst{current=St}, Vst2 = branch_state(Fail, Vst1), - Vst3 = case Op of - length -> update_type(fun meet/2, list, hd(Ss), Vst2); - map_size -> update_type(fun meet/2, map, hd(Ss), Vst2); - _ -> Vst2 - end, + + ArgTypes = bif_arg_types(Op, Ss), + Vst3 = foldl(fun({Arg, T}, Vsti) -> + update_type(fun meet/2, T, Arg, Vsti) + end, Vst2, zip(Ss, ArgTypes)), + Type = bif_type(Op, Ss, Vst3), Vst = prune_x_regs(Live, Vst3), extract_term(Type, Ss, Dst, Vst, Vst0); @@ -697,12 +705,11 @@ valfun_4({select_val,Src,{f,Fail},{list,Choices}}, Vst0) -> assert_choices(Choices), Vst = branch_state(Fail, Vst0), kill_state(select_val_branches(Src, Choices, Vst)); -valfun_4({select_tuple_arity,Tuple,{f,Fail},{list,Choices}}, Vst) -> - assert_type(tuple, Tuple, Vst), +valfun_4({select_tuple_arity,Tuple,{f,Fail},{list,Choices}}, Vst0) -> + assert_type(tuple, Tuple, Vst0), assert_arities(Choices), - TupleType = get_durable_term_type(Tuple, Vst), - kill_state(branch_arities(Choices, Tuple, TupleType, - branch_state(Fail, Vst))); + Vst = branch_state(Fail, Vst0), + kill_state(branch_arities(Choices, Tuple, Vst)); %% New bit syntax matching instructions. valfun_4({test,bs_start_match3,{f,Fail},Live,[Src],Dst}, Vst) -> @@ -783,9 +790,10 @@ valfun_4({test,is_map,{f,Lbl},[Src]}, Vst) -> assert_term(Src, Vst), kill_state(Vst) end; -valfun_4({test,test_arity,{f,Lbl},[Tuple,Sz]}, Vst) when is_integer(Sz) -> - assert_type(tuple, Tuple, Vst), - update_type(fun meet/2, {tuple,Sz,#{}}, Tuple, branch_state(Lbl, Vst)); +valfun_4({test,test_arity,{f,Lbl},[Tuple,Sz]}, Vst0) when is_integer(Sz) -> + assert_type(tuple, Tuple, Vst0), + Vst = branch_state(Lbl, Vst0), + update_type(fun meet/2, {tuple,Sz,#{}}, Tuple, Vst); valfun_4({test,is_tagged_tuple,{f,Lbl},[Src,Sz,Atom]}, Vst0) -> assert_term(Src, Vst0), Vst = branch_state(Lbl, Vst0), @@ -794,20 +802,24 @@ valfun_4({test,has_map_fields,{f,Lbl},Src,{list,List}}, Vst) -> assert_type(map, Src, Vst), assert_unique_map_keys(List), branch_state(Lbl, Vst); -valfun_4({test,is_eq_exact,{f,Lbl},[Src,Val]=Ss}, Vst0) -> - validate_src(Ss, Vst0), - Infer = infer_types(Src, Vst0), - Vst1 = Infer(Val, Vst0), - Vst2 = update_ne_types(Src, Val, Vst1), - Vst3 = branch_state(Lbl, Vst2), - Vst = Vst3#vst{current=Vst1#vst.current}, - update_eq_types(Src, Val, Vst); -valfun_4({test,is_ne_exact,{f,Lbl},[Src,Val]=Ss}, Vst0) -> - validate_src(Ss, Vst0), - Vst1 = update_eq_types(Src, Val, Vst0), - Vst2 = branch_state(Lbl, Vst1), - Vst = Vst2#vst{current=Vst0#vst.current}, - update_ne_types(Src, Val, Vst); +valfun_4({test,is_eq_exact,{f,Lbl},[Src,Val]=Ss}, Vst) -> + validate_src(Ss, Vst), + complex_test(Lbl, + fun(FailVst) -> + update_ne_types(Src, Val, FailVst) + end, + fun(SuccVst) -> + update_eq_types(Src, Val, SuccVst) + end, Vst); +valfun_4({test,is_ne_exact,{f,Lbl},[Src,Val]=Ss}, Vst) -> + validate_src(Ss, Vst), + complex_test(Lbl, + fun(FailVst) -> + update_eq_types(Src, Val, FailVst) + end, + fun(SuccVst) -> + update_ne_types(Src, Val, SuccVst) + end, Vst); valfun_4({test,_Op,{f,Lbl},Src}, Vst) -> validate_src(Src, Vst), branch_state(Lbl, Vst); @@ -897,36 +909,50 @@ valfun_4(_, _) -> verify_get_map(Fail, Src, List, Vst0) -> assert_not_literal(Src), %OTP 22. assert_type(map, Src, Vst0), - Vst1 = foldl(fun(D, Vsti) -> - case is_reg_defined(D,Vsti) of - true -> create_term(term, D, Vsti); - false -> Vsti - end - end, Vst0, extract_map_vals(List)), - Vst2 = branch_state(Fail, Vst1), - Keys = extract_map_keys(List), - assert_unique_map_keys(Keys), - verify_get_map_pair(List, Src, Vst0, Vst2). -extract_map_vals([_Key,Val|T]) -> - [Val|extract_map_vals(T)]; -extract_map_vals([]) -> []. + complex_test(Fail, + fun(FailVst) -> + clobber_map_vals(List, Src, FailVst) + end, + fun(SuccVst) -> + Keys = extract_map_keys(List), + assert_unique_map_keys(Keys), + extract_map_vals(List, Src, SuccVst, SuccVst) + end, Vst0). + +%% get_map_elements may leave its destinations in an inconsistent state when +%% the fail label is taken. Consider the following: +%% +%% {get_map_elements,{f,7},{x,1},{list,[{atom,a},{x,1},{atom,b},{x,2}]}}. +%% +%% If 'a' exists but not 'b', {x,1} is overwritten when we jump to {f,7}. +clobber_map_vals([_Key,Dst|T], Map, Vst0) -> + case is_reg_defined(Dst, Vst0) of + true -> + Vst = extract_term(term, [Map], Dst, Vst0), + clobber_map_vals(T, Map, Vst); + false -> + clobber_map_vals(T, Map, Vst0) + end; +clobber_map_vals([], _Map, Vst) -> + Vst. extract_map_keys([Key,_Val|T]) -> [Key|extract_map_keys(T)]; extract_map_keys([]) -> []. -verify_get_map_pair([Src,Dst|Vs], Map, Vst0, Vsti0) -> +extract_map_vals([Src,Dst|Vs], Map, Vst0, Vsti0) -> assert_term(Src, Vst0), Vsti = extract_term(term, [Map], Dst, Vsti0), - verify_get_map_pair(Vs, Map, Vst0, Vsti); -verify_get_map_pair([], _Map, _Vst0, Vst) -> Vst. + extract_map_vals(Vs, Map, Vst0, Vsti); +extract_map_vals([], _Map, _Vst0, Vst) -> + Vst. verify_put_map(Fail, Src, Dst, Live, List, Vst0) -> assert_type(map, Src, Vst0), verify_live(Live, Vst0), verify_y_init(Vst0), - foreach(fun (Term) -> assert_not_fragile(Term, Vst0) end, List), + [assert_not_fragile(Term, Vst0) || Term <- List], Vst1 = heap_alloc(0, Vst0), Vst2 = branch_state(Fail, Vst1), Vst = prune_x_regs(Live, Vst2), @@ -938,17 +964,21 @@ verify_put_map(Fail, Src, Dst, Live, List, Vst0) -> %% Common code for validating bs_start_match* instructions. %% -validate_bs_start_match(Fail, Live, Type, Src, Dst, Vst0) -> - verify_live(Live, Vst0), - verify_y_init(Vst0), +validate_bs_start_match(Fail, Live, Type, Src, Dst, Vst) -> + verify_live(Live, Vst), + verify_y_init(Vst), %% #ms{} can represent either a match context or a term, so we have to mark %% the source as a term if it fails, and retain the incoming type if it %% succeeds (match context or not). - Vst1 = set_aliased_type(term, Src, Vst0), - Vst2 = prune_x_regs(Live, Vst1), - Vst3 = branch_state(Fail, Vst2), - extract_term(Type, [Src], Dst, Vst3, Vst0). + complex_test(Fail, + fun(FailVst) -> + set_aliased_type(term, Src, FailVst) + end, + fun(SuccVst0) -> + SuccVst = prune_x_regs(Live, SuccVst0), + extract_term(Type, [Src], Dst, SuccVst, Vst) + end, Vst). %% %% Common code for validating bs_get* instructions. @@ -1036,12 +1066,10 @@ verify_call_args_1(N, Vst) -> verify_call_args_1(X, Vst). verify_local_call(Lbl, Live, Vst) -> - F = fun({R, Type}) -> - verify_arg_type(Lbl, R, Type, Vst) - end, TRegs = typed_call_regs(Live, Vst), + [verify_arg_type(Lbl, R, Type, Vst) || {R, Type} <- TRegs], verify_no_ms_aliases(TRegs), - foreach(F, TRegs). + ok. typed_call_regs(0, _Vst) -> []; @@ -1190,8 +1218,8 @@ assert_arities(_) -> error(bad_tuple_arity_list). %%% fmove Src {fr,_} %% Move INTO floating point register. %%% -float_op(Src, Dst, Vst0) -> - foreach (fun(S) -> assert_freg_set(S, Vst0) end, Src), +float_op(Ss, Dst, Vst0) -> + [assert_freg_set(S, Vst0) || S <- Ss], assert_fls(cleared, Vst0), Vst = set_fls(cleared, Vst0), set_freg(Dst, Vst). @@ -1322,10 +1350,6 @@ select_val_branches_1([], _, _, Vst) -> Vst. infer_types(Src, Vst) -> case get_def(Src, Vst) of - {bif,is_map,{f,_},[Map],_} -> - fun({atom,true}, S) -> update_type(fun meet/2, map, Map, S); - (_, S) -> S - end; {bif,tuple_size,{f,_},[Tuple],_} -> fun({integer,Arity}, S) -> update_type(fun meet/2, {tuple,Arity,#{}}, Tuple, S); @@ -1337,10 +1361,37 @@ infer_types(Src, Vst) -> Infer(Val, S); (_, S) -> S end; + {bif,is_atom,{f,_},[Src],_} -> + infer_type_test_bif({atom,[]}, Src); + {bif,is_boolean,{f,_},[Src],_} -> + infer_type_test_bif(bool, Src); + {bif,is_binary,{f,_},[Src],_} -> + infer_type_test_bif(binary, Src); + {bif,is_bitstring,{f,_},[Src],_} -> + infer_type_test_bif(binary, Src); + {bif,is_float,{f,_},[Src],_} -> + infer_type_test_bif(float, Src); + {bif,is_integer,{f,_},[Src],_} -> + infer_type_test_bif({integer,{}}, Src); + {bif,is_list,{f,_},[Src],_} -> + infer_type_test_bif(list, Src); + {bif,is_map,{f,_},[Src],_} -> + infer_type_test_bif(map, Src); + {bif,is_number,{f,_},[Src],_} -> + infer_type_test_bif(number, Src); + {bif,is_tuple,{f,_},[Src],_} -> + infer_type_test_bif({tuple,[],#{}}, Src); _ -> fun(_, S) -> S end end. +infer_type_test_bif(Type, Src) -> + fun({atom,true}, S) -> + update_type(fun meet/2, Type, Src, S); + (_, S) -> + S + end. + %%% %%% Keeping track of types. %%% @@ -1372,11 +1423,25 @@ extract_term(Type0, Ss, Dst, Vst, OrigVst) -> Type = propagate_fragility(Type0, Ss, OrigVst), set_type_reg(Type, Dst, Vst). +%% Helper functions for tests that alter state on both the success and fail +%% branches, keeping the states from tainting each other. +complex_test(Fail, FailFun, SuccFun, Vst0) -> + #vst{current=St0} = Vst0, + Vst1 = FailFun(Vst0), + Vst2 = branch_state(Fail, Vst1), + Vst = Vst2#vst{current=St0}, + SuccFun(Vst). + %% Helper function for simple "is_type" tests. -type_test(Fail, Type, Reg, Vst0) -> - assert_term(Reg, Vst0), - Vst = branch_state(Fail, update_type(fun subtract/2, Type, Reg, Vst0)), - update_type(fun meet/2, Type, Reg, Vst). +type_test(Fail, Type, Reg, Vst) -> + assert_term(Reg, Vst), + complex_test(Fail, + fun(FailVst) -> + update_type(fun subtract/2, Type, Reg, FailVst) + end, + fun(SuccVst) -> + update_type(fun meet/2, Type, Reg, SuccVst) + end, Vst). %% This is used when linear code finds out more and more information about a %% type, so that the type gets more specialized. @@ -1395,32 +1460,20 @@ update_type(Merge, Type0, Reg, Vst) -> none -> Type0; T -> T end, - set_aliased_type(propagate_fragility(Type, [Reg], Vst), Reg, Vst). + set_aliased_type(Type, Reg, Vst). update_ne_types(LHS, RHS, Vst) -> - T1 = get_durable_term_type(LHS, Vst), - T2 = get_durable_term_type(RHS, Vst), - Type = propagate_fragility(subtract(T1, T2), [LHS], Vst), - set_aliased_type(Type, LHS, Vst). + update_type(fun subtract/2, get_durable_term_type(RHS, Vst), LHS, Vst). update_eq_types(LHS, RHS, Vst0) -> - T1 = get_durable_term_type(LHS, Vst0), - T2 = get_durable_term_type(RHS, Vst0), - Meet = meet(T1, T2), - Vst = case T1 =/= Meet of - true -> - LType = propagate_fragility(Meet, [LHS], Vst0), - set_aliased_type(LType, LHS, Vst0); - false -> - Vst0 - end, - case T2 =/= Meet of - true -> - RType = propagate_fragility(Meet, [RHS], Vst0), - set_aliased_type(RType, RHS, Vst); - false -> - Vst - end. + Infer = infer_types(LHS, Vst0), + Vst1 = Infer(RHS, Vst0), + + T1 = get_durable_term_type(LHS, Vst1), + T2 = get_durable_term_type(RHS, Vst1), + + Vst = update_type(fun meet/2, T2, LHS, Vst1), + update_type(fun meet/2, T1, RHS, Vst). %% Helper functions for the above. @@ -1779,7 +1832,8 @@ get_tuple_size({integer,Sz}) -> Sz; get_tuple_size(_) -> 0. validate_src(Ss, Vst) when is_list(Ss) -> - foreach(fun(S) -> get_term_type(S, Vst) end, Ss). + [assert_term(S, Vst) || S <- Ss], + ok. %% get_durable_term_type(Src, ValidatorState) -> Type %% Get the type of the source Src. The returned type Type will be @@ -1865,6 +1919,10 @@ value_to_type(T) when is_tuple(T) -> {tuple, tuple_size(T), Es}; value_to_type(L) -> {literal, L}. +branch_arities(List, Tuple, Vst) -> + Type = get_durable_term_type(Tuple, Vst), + branch_arities(List, Tuple, Type, Vst). + branch_arities([Sz,{f,L}|T], Tuple, {tuple,[_],Es0}=Type0, Vst0) when is_integer(Sz) -> %% Filter out element types that are no longer valid. Es = maps:filter(fun(Index, _Type) -> Index =< Sz end, Es0), @@ -2161,6 +2219,42 @@ propagate_fragility(Type, Ss, Vst) -> false -> Type end. +%% Generic +bif_arg_types(tuple_size, [_]) -> [{tuple,[0],#{}}]; +bif_arg_types(map_size, [_]) -> [map]; +bif_arg_types(length, [_]) -> [list]; +bif_arg_types(hd, [_]) -> [cons]; +bif_arg_types(tl, [_]) -> [cons]; +%% Boolean +bif_arg_types('not', [_]) -> [bool]; +bif_arg_types('and', [_,_]) -> [bool, bool]; +bif_arg_types('or', [_,_]) -> [bool, bool]; +bif_arg_types('xor', [_,_]) -> [bool, bool]; +%% Binary +bif_arg_types('byte_size', [_]) -> [binary]; +bif_arg_types('bit_size', [_]) -> [binary]; +%% Numerical +bif_arg_types('-', [_]) -> [number]; +bif_arg_types('+', [_]) -> [number]; +bif_arg_types('*', [_,_]) -> [number, number]; +bif_arg_types('/', [_,_]) -> [number, number]; +bif_arg_types(ceil, [_]) -> [number]; +bif_arg_types(floor, [_]) -> [number]; +bif_arg_types(trunc, [_]) -> [number]; +bif_arg_types(round, [_]) -> [number]; +%% Integer-specific +bif_arg_types('div', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('rem', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('band', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('bor', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('bxor', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('bnot', [_]) -> [{integer,[]}]; +bif_arg_types('bsl', [_,_]) -> [{integer,[]}, {integer,[]}]; +bif_arg_types('bsr', [_,_]) -> [{integer,[]}, {integer,[]}]; +%% Unsafe type tests that may fail if an argument doesn't have the right type. +bif_arg_types(is_function, [_,_]) -> [term, {integer,[]}]; +bif_arg_types(_, Args) -> [term || _Arg <- Args]. + bif_type('-', Src, Vst) -> arith_type(Src, Vst); bif_type('+', Src, Vst) -> diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index 53d3cec2d7..c281af57a1 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -827,20 +827,21 @@ kernel_passes() -> {pass,beam_kernel_to_ssa}, {iff,dssa,{listing,"ssa"}}, {iff,ssalint,{pass,beam_ssa_lint}}, - {unless,no_share_opt,{pass,beam_ssa_share}}, - {iff,dssashare,{listing,"ssashare"}}, - {iff,ssalint,{pass,beam_ssa_lint}}, - {unless,no_bsm_opt,{pass,beam_ssa_bsm}}, - {iff,dssabsm,{listing,"ssabsm"}}, - {iff,ssalint,{pass,beam_ssa_lint}}, - {unless,no_fun_opt,{pass,beam_ssa_funs}}, - {iff,dssafuns,{listing,"ssafuns"}}, - {iff,ssalint,{pass,beam_ssa_lint}}, - {unless,no_ssa_opt,{pass,beam_ssa_opt}}, - {iff,dssaopt,{listing,"ssaopt"}}, - {iff,ssalint,{pass,beam_ssa_lint}}, - {unless,no_recv_opt,{pass,beam_ssa_recv}}, - {iff,drecv,{listing,"recv"}}, + {delay, + [{unless,no_share_opt,{pass,beam_ssa_share}}, + {iff,dssashare,{listing,"ssashare"}}, + {iff,ssalint,{pass,beam_ssa_lint}}, + {unless,no_bsm_opt,{pass,beam_ssa_bsm}}, + {iff,dssabsm,{listing,"ssabsm"}}, + {iff,ssalint,{pass,beam_ssa_lint}}, + {unless,no_fun_opt,{pass,beam_ssa_funs}}, + {iff,dssafuns,{listing,"ssafuns"}}, + {iff,ssalint,{pass,beam_ssa_lint}}, + {unless,no_ssa_opt,{pass,beam_ssa_opt}}, + {iff,dssaopt,{listing,"ssaopt"}}, + {iff,ssalint,{pass,beam_ssa_lint}}, + {unless,no_recv_opt,{pass,beam_ssa_recv}}, + {iff,drecv,{listing,"recv"}}]}, {pass,beam_ssa_pre_codegen}, {iff,dprecg,{listing,"precodegen"}}, {iff,ssalint,{pass,beam_ssa_lint}}, |