diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/src/beam_type.erl | 18 | ||||
| -rw-r--r-- | lib/compiler/src/beam_validator.erl | 7 | ||||
| -rw-r--r-- | lib/compiler/test/beam_type_SUITE.erl | 31 |
3 files changed, 37 insertions, 19 deletions
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl index 3d842a6fd3..c8abfa524f 100644 --- a/lib/compiler/src/beam_type.erl +++ b/lib/compiler/src/beam_type.erl @@ -117,14 +117,6 @@ simplify_basic_1([{test,is_tuple,_,[R]}=I|Is], Ts, Acc) -> {tuple,_,_} -> simplify_basic_1(Is, Ts, Acc); _ -> simplify_basic_1(Is, Ts, [I|Acc]) end; -simplify_basic_1([{test,test_arity,_,[R,Arity]}=I|Is], Ts0, Acc) -> - case tdb_find(R, Ts0) of - {tuple,Arity,_} -> - simplify_basic_1(Is, Ts0, Acc); - _Other -> - Ts = update(I, Ts0), - simplify_basic_1(Is, Ts, [I|Acc]) - end; simplify_basic_1([{test,is_map,_,[R]}=I|Is], Ts0, Acc) -> case tdb_find(R, Ts0) of map -> simplify_basic_1(Is, Ts0, Acc); @@ -147,14 +139,6 @@ simplify_basic_1([{test,is_eq_exact,Fail,[R,{atom,_}=Atom]}=I|Is0], Ts0, Acc0) - end, Ts = update(I, Ts0), simplify_basic_1(Is0, Ts, Acc); -simplify_basic_1([{test,is_record,_,[R,{atom,_}=Tag,{integer,Arity}]}=I|Is], Ts0, Acc) -> - case tdb_find(R, Ts0) of - {tuple,Arity,[Tag]} -> - simplify_basic_1(Is, Ts0, Acc); - _Other -> - Ts = update(I, Ts0), - simplify_basic_1(Is, Ts, [I|Acc]) - end; simplify_basic_1([{select,select_val,Reg,_,_}=I0|Is], Ts, Acc) -> I = case tdb_find(Reg, Ts) of {integer,Range} -> @@ -367,6 +351,8 @@ flt_need_heap_2({set,_,_,get_list}, H, Fl) -> {[],H,Fl}; flt_need_heap_2({set,_,_,{try_catch,_,_}}, H, Fl) -> {[],H,Fl}; +flt_need_heap_2({set,_,_,init}, H, Fl) -> + {[],H,Fl}; %% All other instructions should cause the insertion of an allocation %% instruction if needed. flt_need_heap_2(_, H, Fl) -> diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl index be8908dd6b..6219bc6894 100644 --- a/lib/compiler/src/beam_validator.erl +++ b/lib/compiler/src/beam_validator.erl @@ -529,9 +529,10 @@ valfun_4({bif,Op,{f,Fail},Src,Dst}, Vst0) -> Type = bif_type(Op, Src, Vst), set_type_reg(Type, Dst, Vst); valfun_4({gc_bif,Op,{f,Fail},Live,Src,Dst}, #vst{current=St0}=Vst0) -> + verify_live(Live, Vst0), + verify_y_init(Vst0), St = kill_heap_allocation(St0), Vst1 = Vst0#vst{current=St}, - verify_live(Live, Vst1), Vst2 = branch_state(Fail, Vst1), Vst = prune_x_regs(Live, Vst2), validate_src(Src, Vst), @@ -685,6 +686,7 @@ valfun_4({bs_utf16_size,{f,Fail},A,Dst}, Vst) -> set_type_reg({integer,[]}, Dst, branch_state(Fail, Vst)); valfun_4({bs_init2,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> verify_live(Live, Vst0), + verify_y_init(Vst0), if is_integer(Sz) -> ok; @@ -697,6 +699,7 @@ valfun_4({bs_init2,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> set_type_reg(binary, Dst, Vst); valfun_4({bs_init_bits,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> verify_live(Live, Vst0), + verify_y_init(Vst0), if is_integer(Sz) -> ok; @@ -709,6 +712,7 @@ valfun_4({bs_init_bits,{f,Fail},Sz,Heap,Live,_,Dst}, Vst0) -> set_type_reg(binary, Dst, Vst); valfun_4({bs_append,{f,Fail},Bits,Heap,Live,_Unit,Bin,_Flags,Dst}, Vst0) -> verify_live(Live, Vst0), + verify_y_init(Vst0), assert_term(Bits, Vst0), assert_term(Bin, Vst0), Vst1 = heap_alloc(Heap, Vst0), @@ -944,6 +948,7 @@ deallocate(#vst{current=St}=Vst) -> test_heap(Heap, Live, Vst0) -> verify_live(Live, Vst0), + verify_y_init(Vst0), Vst = prune_x_regs(Live, Vst0), heap_alloc(Heap, Vst). diff --git a/lib/compiler/test/beam_type_SUITE.erl b/lib/compiler/test/beam_type_SUITE.erl index 86146c614f..fe856b12b6 100644 --- a/lib/compiler/test/beam_type_SUITE.erl +++ b/lib/compiler/test/beam_type_SUITE.erl @@ -22,7 +22,8 @@ -export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1, init_per_group/2,end_per_group/2, integers/1,coverage/1,booleans/1,setelement/1,cons/1, - tuple/1,record_float/1,binary_float/1,float_compare/1]). + tuple/1,record_float/1,binary_float/1,float_compare/1, + arity_checks/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. @@ -40,7 +41,8 @@ groups() -> tuple, record_float, binary_float, - float_compare + float_compare, + arity_checks ]}]. init_per_suite(Config) -> @@ -171,6 +173,31 @@ do_float_compare(X) -> _T -> Y > 0 end. +arity_checks(_Config) -> + %% ERL-549: an unsafe optimization removed a test_arity instruction, + %% causing the following to return 'broken' instead of 'ok'. + ok = do_record_arity_check({rgb, 255, 255, 255, 1}), + ok = do_tuple_arity_check({255, 255, 255, 1}). + +-record(rgb, {r = 255, g = 255, b = 255}). + +do_record_arity_check(RGB) when + (element(2, RGB) >= 0), (element(2, RGB) =< 255), + (element(3, RGB) >= 0), (element(3, RGB) =< 255), + (element(4, RGB) >= 0), (element(4, RGB) =< 255) -> + if + element(1, RGB) =:= rgb, is_record(RGB, rgb) -> broken; + true -> ok + end. + +do_tuple_arity_check(RGB) when is_tuple(RGB), + (element(1, RGB) >= 0), (element(1, RGB) =< 255), + (element(2, RGB) >= 0), (element(2, RGB) =< 255), + (element(3, RGB) >= 0), (element(3, RGB) =< 255) -> + case RGB of + {255, _, _} -> broken; + _ -> ok + end. id(I) -> I. |