diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/hipe/icode/hipe_icode_fp.erl | 99 |
1 files changed, 52 insertions, 47 deletions
diff --git a/lib/hipe/icode/hipe_icode_fp.erl b/lib/hipe/icode/hipe_icode_fp.erl index 7bfb21e7db..3098e629ca 100644 --- a/lib/hipe/icode/hipe_icode_fp.erl +++ b/lib/hipe/icode/hipe_icode_fp.erl @@ -55,11 +55,16 @@ -record(state, {edge_map = #{} :: edge_map(), fp_ebb_map = #{} :: fp_ebb_map(), - cfg :: #cfg{}}). + cfg :: cfg()}). +-type state() :: #state{}. + +-type icode_phi() :: #icode_phi{}. +-type icode_variable() :: #icode_variable{}. +-type icode_const() :: #icode_const{}. %%-------------------------------------------------------------------- --spec cfg(#cfg{}) -> #cfg{}. +-spec cfg(cfg()) -> cfg(). cfg(Cfg) -> %%hipe_icode_cfg:pp(Cfg), @@ -78,13 +83,13 @@ cfg(Cfg) -> %% corresponding fcheckerror. %%-------------------------------------------------------------------- --spec annotate_fclearerror(#cfg{}) -> #cfg{}. +-spec annotate_fclearerror(cfg()) -> cfg(). annotate_fclearerror(Cfg) -> Labels = hipe_icode_cfg:reverse_postorder(Cfg), annotate_fclearerror(Labels, Cfg). --spec annotate_fclearerror([icode_lbl()], #cfg{}) -> #cfg{}. +-spec annotate_fclearerror([icode_lbl()], cfg()) -> cfg(). annotate_fclearerror([Label|Left], Cfg) -> BB = hipe_icode_cfg:bb(Cfg, Label), @@ -96,7 +101,7 @@ annotate_fclearerror([Label|Left], Cfg) -> annotate_fclearerror([], Cfg) -> Cfg. --spec annotate_fclearerror1(icode_instrs(), icode_lbl(), #cfg{}, icode_instrs()) +-spec annotate_fclearerror1(icode_instrs(), icode_lbl(), cfg(), icode_instrs()) -> icode_instrs(). annotate_fclearerror1([I|Left], Label, Cfg, Acc) -> @@ -116,7 +121,7 @@ annotate_fclearerror1([I|Left], Label, Cfg, Acc) -> annotate_fclearerror1([], _Label, _Cfg, Acc) -> lists:reverse(Acc). --spec lookahead_for_fcheckerror(icode_instrs(), icode_lbl(), #cfg{}) -> +-spec lookahead_for_fcheckerror(icode_instrs(), icode_lbl(), cfg()) -> fail_lbl(). lookahead_for_fcheckerror([I|Left], Label, Cfg) -> @@ -140,13 +145,13 @@ lookahead_for_fcheckerror([], Label, Cfg) -> lookahead_for_fcheckerror(Code, Succ, Cfg) end. --spec unannotate_fclearerror(#cfg{}) -> #cfg{}. +-spec unannotate_fclearerror(cfg()) -> cfg(). unannotate_fclearerror(Cfg) -> Labels = hipe_icode_cfg:reverse_postorder(Cfg), unannotate_fclearerror(Labels, Cfg). --spec unannotate_fclearerror([icode_lbl()], #cfg{}) -> #cfg{}. +-spec unannotate_fclearerror([icode_lbl()], cfg()) -> cfg(). unannotate_fclearerror([Label|Left], Cfg) -> BB = hipe_icode_cfg:bb(Cfg, Label), @@ -181,13 +186,13 @@ unannotate_fclearerror1([], Acc) -> %% Make float EBBs %%-------------------------------------------------------------------- --spec place_fp_blocks(#state{}) -> #state{}. +-spec place_fp_blocks(state()) -> state(). place_fp_blocks(State) -> WorkList = new_worklist(State), transform_block(WorkList, State). --spec transform_block(worklist(), #state{}) -> #state{}. +-spec transform_block(worklist(), state()) -> state(). transform_block(WorkList, State) -> case get_work(WorkList) of @@ -222,9 +227,9 @@ transform_block(WorkList, State) -> end end. --spec update_maps(#state{}, icode_lbl(), ordsets:ordset(icode_lbl()), +-spec update_maps(state(), icode_lbl(), ordsets:ordset(icode_lbl()), var_map(), ordsets:ordset(icode_lbl()), var_map()) - -> fixpoint | {#state{}, [icode_lbl()]}. + -> fixpoint | {state(), [icode_lbl()]}. update_maps(State, Label, SuccSet, SuccMap, FailSet, FailMap) -> {NewState, Add1} = update_maps(State, Label, SuccSet, SuccMap, []), @@ -233,9 +238,9 @@ update_maps(State, Label, SuccSet, SuccMap, FailSet, FailMap) -> {_NewState1, _Add} = Ret -> Ret end. --spec update_maps(#state{}, icode_lbl(), ordsets:ordset(icode_lbl()), +-spec update_maps(state(), icode_lbl(), ordsets:ordset(icode_lbl()), var_map(), [icode_lbl()]) - -> {#state{}, [icode_lbl()]}. + -> {state(), [icode_lbl()]}. update_maps(State, From, [To|Left], Map, Acc) -> case state__map_update(State, From, To, Map) of @@ -382,7 +387,7 @@ handle_untagged_arguments(I, Map) -> [I|TagIntrs] end. --spec do_prelude(var_map_phi()) -> {[#icode_phi{}], var_map()}. +-spec do_prelude(var_map_phi()) -> {[icode_phi()], var_map()}. %% Add phi nodes for untagged fp values. @@ -406,7 +411,7 @@ split_code([I|Left], Acc) -> split_code(Left, [I|Acc]). --spec finalize(#state{}) -> #state{}. +-spec finalize(state()) -> state(). %% When all code is mapped to fp instructions we must make sure that %% the fp ebb information going into each block is the same as the @@ -419,7 +424,7 @@ finalize(State) -> Edges = needs_fcheckerror(NewState), finalize(Edges, NewState). --spec finalize([edge()], #state{}) -> #state{}. +-spec finalize([edge()], state()) -> state(). finalize([{From, To}|Left], State) -> NewState = add_fp_ebb_fixup(From, To, State), @@ -427,14 +432,14 @@ finalize([{From, To}|Left], State) -> finalize([], State) -> State. --spec needs_fcheckerror(#state{}) -> [{none | icode_lbl(), icode_lbl()}]. +-spec needs_fcheckerror(state()) -> [{none | icode_lbl(), icode_lbl()}]. needs_fcheckerror(State) -> Cfg = state__cfg(State), Labels = hipe_icode_cfg:labels(Cfg), needs_fcheckerror(Labels, State, []). --spec needs_fcheckerror([icode_lbl()], #state{}, +-spec needs_fcheckerror([icode_lbl()], state(), [{none | icode_lbl(), icode_lbl()}]) -> [{none | icode_lbl(), icode_lbl()}]. @@ -462,7 +467,7 @@ needs_fcheckerror([Label|Left], State, Acc) -> needs_fcheckerror([], _State, Acc) -> Acc. --spec add_fp_ebb_fixup(none | icode_lbl(), icode_lbl(), #state{}) -> #state{}. +-spec add_fp_ebb_fixup(none | icode_lbl(), icode_lbl(), state()) -> state(). add_fp_ebb_fixup('none', To, State) -> %% Add the fcheckerror to the start of the block. @@ -505,16 +510,16 @@ redirect_phis([I|Is] = Code, OldFrom, NewFrom, Acc) -> redirect_phis([], _OldFrom, _NewFrom, Acc) -> lists:reverse(Acc). --spec subst_phi(#icode_phi{}, #icode_variable{}, edge_map()) - -> #icode_phi{}. +-spec subst_phi(icode_phi(), icode_variable(), edge_map()) + -> icode_phi(). subst_phi(I, Dst, Map) -> ArgList = subst_phi_uses0(hipe_icode:phi_arglist(I), Map, []), hipe_icode:mk_phi(Dst, ArgList). --spec subst_phi_uses0([{icode_lbl(), #icode_variable{}}], edge_map(), - [{icode_lbl(), #icode_variable{}}]) - -> [{icode_lbl(), #icode_variable{}}]. +-spec subst_phi_uses0([{icode_lbl(), icode_variable()}], edge_map(), + [{icode_lbl(), icode_variable()}]) + -> [{icode_lbl(), icode_variable()}]. subst_phi_uses0([{Pred, Var}|Left], Map, Acc) -> case Map of @@ -537,16 +542,16 @@ subst_phi_uses0([{Pred, Var}|Left], Map, Acc) -> subst_phi_uses0([], _Map, Acc) -> Acc. --spec subst_phi_uncond(#icode_phi{}, #icode_variable{}, edge_map()) - -> #icode_phi{}. +-spec subst_phi_uncond(icode_phi(), icode_variable(), edge_map()) + -> icode_phi(). subst_phi_uncond(I, Dst, Map) -> ArgList = subst_phi_uses_uncond0(hipe_icode:phi_arglist(I), Map, []), hipe_icode:mk_phi(Dst, ArgList). --spec subst_phi_uses_uncond0([{icode_lbl(), #icode_variable{}}], edge_map(), - [{icode_lbl(), #icode_variable{}}]) - -> [{icode_lbl(), #icode_variable{}}]. +-spec subst_phi_uses_uncond0([{icode_lbl(), icode_variable()}], edge_map(), + [{icode_lbl(), icode_variable()}]) + -> [{icode_lbl(), icode_variable()}]. subst_phi_uses_uncond0([{Pred, Var}|Left], Map, Acc) -> case Map of @@ -569,7 +574,7 @@ subst_phi_uses_uncond0([{Pred, Var}|Left], Map, Acc) -> subst_phi_uses_uncond0([], _Map, Acc) -> Acc. --spec place_error_handling(worklist(), #state{}) -> #state{}. +-spec place_error_handling(worklist(), state()) -> state(). place_error_handling(WorkList, State) -> case get_work(WorkList) of @@ -734,7 +739,7 @@ instr_allowed_in_fp_ebb(Instr) -> %% ------------------------------------------------------------ %% Handling the variable map --spec lookup_list([icode_var() | #icode_const{}], var_map()) +-spec lookup_list([icode_var() | icode_const()], var_map()) -> [none | icode_fvar()]. lookup_list(List, Info) -> @@ -745,7 +750,7 @@ lookup_list([H|T], Fun, Info, Acc) -> lookup_list([], _, _, Acc) -> lists:reverse(Acc). --spec lookup(icode_var() | #icode_const{}, var_map()) -> none | icode_fvar(). +-spec lookup(icode_var() | icode_const(), var_map()) -> none | icode_fvar(). lookup(Key, Tree) -> case hipe_icode:is_const(Key) of @@ -760,14 +765,14 @@ lookup(Key, Tree) -> end end. --spec lookup_list_keep_consts([icode_var() | #icode_const{}], var_map()) - -> [none | icode_fvar() | #icode_const{}]. +-spec lookup_list_keep_consts([icode_var() | icode_const()], var_map()) + -> [none | icode_fvar() | icode_const()]. lookup_list_keep_consts(List, Info) -> lookup_list(List, fun lookup_keep_consts/2, Info, []). --spec lookup_keep_consts(icode_var() | #icode_const{}, var_map()) - -> none | icode_fvar() | #icode_const{}. +-spec lookup_keep_consts(icode_var() | icode_const(), var_map()) + -> none | icode_fvar() | icode_const(). lookup_keep_consts(Key, Tree) -> case hipe_icode:is_const(Key) of @@ -1029,7 +1034,7 @@ get_conv_instrs([], _, Acc) -> Acc. --spec conv_consts([#icode_const{}], icode_instr()) -> icode_instr(). +-spec conv_consts([icode_const()], icode_instr()) -> icode_instr(). conv_consts(ConstArgs, I) -> conv_consts(ConstArgs, I, []). @@ -1069,13 +1074,13 @@ state__bb_add(S = #state{cfg = Cfg}, Label, BB) -> NewCfg = hipe_icode_cfg:bb_add(Cfg, Label, BB), S#state{cfg = NewCfg}. --spec state__map(#state{}, icode_lbl()) -> initial_var_map(). +-spec state__map(state(), icode_lbl()) -> initial_var_map(). state__map(S = #state{edge_map = EM}, To) -> join_maps([{From, To} || From <- state__pred(S, To)], EM). --spec state__map_update(#state{}, icode_lbl(), icode_lbl(), var_map()) -> - fixpoint | #state{}. +-spec state__map_update(state(), icode_lbl(), icode_lbl(), var_map()) -> + fixpoint | state(). state__map_update(S = #state{edge_map = EM}, From, To, Map) -> FromTo = {From, To}, @@ -1092,8 +1097,8 @@ state__map_update(S = #state{edge_map = EM}, From, To, Map) -> fixpoint end. --spec state__join_in_block(#state{}, icode_lbl()) - -> fixpoint | {#state{}, in_block()}. +-spec state__join_in_block(state(), icode_lbl()) + -> fixpoint | {state(), in_block()}. state__join_in_block(S = #state{fp_ebb_map = Map}, Label) -> Pred = state__pred(S, Label), @@ -1108,8 +1113,8 @@ state__join_in_block(S = #state{fp_ebb_map = Map}, Label) -> {S#state{fp_ebb_map = NewMap}, NewInBlock} end. --spec state__in_block_out_update(#state{}, icode_lbl(), in_block()) - -> #state{}. +-spec state__in_block_out_update(state(), icode_lbl(), in_block()) + -> state(). state__in_block_out_update(S = #state{fp_ebb_map = Map}, Label, NewInBlock) -> Succ = state__succ(S, Label), @@ -1151,7 +1156,7 @@ join_in_block([], Current) -> Current. --spec state__get_in_block_in(#state{}, icode_lbl()) -> in_block(). +-spec state__get_in_block_in(state(), icode_lbl()) -> in_block(). state__get_in_block_in(#state{fp_ebb_map = Map}, Label) -> maps:get({inblock_in, Label}, Map). @@ -1160,7 +1165,7 @@ state__get_in_block_out(#state{fp_ebb_map = Map}, Label) -> maps:get({inblock_out, Label}, Map). --spec new_worklist(#state{}) -> worklist(). +-spec new_worklist(state()) -> worklist(). new_worklist(#state{cfg = Cfg}) -> Start = hipe_icode_cfg:start_label(Cfg), |