diff options
Diffstat (limited to 'lib/compiler/src/beam_ssa_type.erl')
| -rw-r--r-- | lib/compiler/src/beam_ssa_type.erl | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/compiler/src/beam_ssa_type.erl b/lib/compiler/src/beam_ssa_type.erl index 95fc3bb0e9..118f4d57bc 100644 --- a/lib/compiler/src/beam_ssa_type.erl +++ b/lib/compiler/src/beam_ssa_type.erl @@ -542,6 +542,14 @@ type(call, [#b_remote{mod=#b_literal{val=Mod}, {_,_} -> #t_tuple{} end; + {erlang,'++',[List1,List2]} -> + case get_type(List1, Ts) =:= cons orelse + get_type(List2, Ts) =:= cons of + true -> cons; + false -> list + end; + {erlang,'--',[_,_]} -> + list; {math,_,_} -> case is_math_bif(Name, length(Args)) of false -> any; @@ -885,6 +893,8 @@ infer_type({bif,element}, [#b_literal{val=Pos},#b_var{}=Tuple], _Ds) -> true -> [] end; +infer_type({bif,element}, [#b_var{}=Position,#b_var{}=Tuple], _Ds) -> + [{Position,t_integer()},{Tuple,#t_tuple{}}]; infer_type({bif,'=:='}, [#b_var{}=Src,#b_literal{}=Lit], Ds) -> Def = maps:get(Src, Ds), Type = get_type(Lit, #{}), @@ -895,10 +905,20 @@ infer_type({bif,Bif}, [#b_var{}=Src]=Args, _Ds) -> any -> []; T -> [{Src,T}] end; +infer_type({bif,binary_part}, [#b_var{}=Src,_], _Ds) -> + [{Src,{binary,8}}]; infer_type({bif,is_map_key}, [_,#b_var{}=Src], _Ds) -> [{Src,map}]; infer_type({bif,map_get}, [_,#b_var{}=Src], _Ds) -> [{Src,map}]; +infer_type({bif,Bif}, [_,_]=Args, _Ds) -> + case inferred_bif_type(Bif, Args) of + any -> []; + T -> [{A,T} || #b_var{}=A <- Args] + end; +infer_type({bif,binary_part}, [#b_var{}=Src,Pos,Len], _Ds) -> + [{Src,{binary,8}}| + [{V,t_integer()} || #b_var{}=V <- [Pos,Len]]]; infer_type(bs_start_match, [#b_var{}=Bin], _Ds) -> [{Bin,{binary,1}}]; infer_type(is_nonempty_list, [#b_var{}=Src], _Ds) -> @@ -969,6 +989,7 @@ inferred_bif_type(is_number, [_]) -> number; inferred_bif_type(is_tuple, [_]) -> #t_tuple{}; inferred_bif_type(abs, [_]) -> number; inferred_bif_type(bit_size, [_]) -> {binary,1}; +inferred_bif_type('bnot', [_]) -> t_integer(); inferred_bif_type(byte_size, [_]) -> {binary,1}; inferred_bif_type(ceil, [_]) -> number; inferred_bif_type(float, [_]) -> number; @@ -976,10 +997,25 @@ inferred_bif_type(floor, [_]) -> number; inferred_bif_type(hd, [_]) -> cons; inferred_bif_type(length, [_]) -> list; inferred_bif_type(map_size, [_]) -> map; +inferred_bif_type('not', [_]) -> t_boolean(); inferred_bif_type(round, [_]) -> number; inferred_bif_type(trunc, [_]) -> number; inferred_bif_type(tl, [_]) -> cons; inferred_bif_type(tuple_size, [_]) -> #t_tuple{}; +inferred_bif_type('and', [_,_]) -> t_boolean(); +inferred_bif_type('or', [_,_]) -> t_boolean(); +inferred_bif_type('xor', [_,_]) -> t_boolean(); +inferred_bif_type('band', [_,_]) -> t_integer(); +inferred_bif_type('bor', [_,_]) -> t_integer(); +inferred_bif_type('bsl', [_,_]) -> t_integer(); +inferred_bif_type('bsr', [_,_]) -> t_integer(); +inferred_bif_type('bxor', [_,_]) -> t_integer(); +inferred_bif_type('div', [_,_]) -> t_integer(); +inferred_bif_type('rem', [_,_]) -> t_integer(); +inferred_bif_type('+', [_,_]) -> number; +inferred_bif_type('-', [_,_]) -> number; +inferred_bif_type('*', [_,_]) -> number; +inferred_bif_type('/', [_,_]) -> number; inferred_bif_type(_, _) -> any. infer_tuple_size(#b_set{op={bif,tuple_size},args=[#b_var{}=Tuple]}, |