aboutsummaryrefslogtreecommitdiffstats
path: root/lib/compiler/test/guard_SUITE.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/compiler/test/guard_SUITE.erl')
-rw-r--r--lib/compiler/test/guard_SUITE.erl120
1 files changed, 85 insertions, 35 deletions
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 6ad73b46f7..cea7a374cd 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -36,7 +36,7 @@
check_qlc_hrl/1,andalso_semi/1,t_tuple_size/1,binary_part/1,
bad_constants/1,bad_guards/1,
guard_in_catch/1,beam_bool_SUITE/1,
- cover_beam_dead/1]).
+ repeated_type_tests/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -55,7 +55,7 @@ groups() ->
literal_type_tests,basic_andalso_orelse,traverse_dcd,
check_qlc_hrl,andalso_semi,t_tuple_size,binary_part,
bad_constants,bad_guards,guard_in_catch,beam_bool_SUITE,
- cover_beam_dead]}].
+ repeated_type_tests]}].
init_per_suite(Config) ->
test_lib:recompile(?MODULE),
@@ -1297,6 +1297,32 @@ rel_ops(Config) when is_list(Config) ->
Empty = id([]),
?T(==, [], Empty),
+ %% Cover beam_ssa_dead:turn_op('/=').
+ ok = (fun(A, B) when is_atom(A) ->
+ X = id(A /= B),
+ if
+ X -> ok;
+ true -> error
+ end
+ end)(a, b),
+ ok = (fun(A, B) when is_atom(A) ->
+ X = id(B /= A),
+ if
+ X -> ok;
+ true -> error
+ end
+ end)(a, b),
+
+ %% Cover beam_ssa_dead.
+ Arrow = fun([T1,T2]) when T1 == $>, T2 == $>;
+ T1 == $<, T2 == $| -> true;
+ (_) -> false
+ end,
+ true = Arrow(">>"),
+ true = Arrow("<|"),
+ false = Arrow("><"),
+ false = Arrow(""),
+
ok.
-undef(TestOp).
@@ -1330,6 +1356,9 @@ rel_op_combinations_1(N, Digits) ->
Bool = is_digit_6(N),
Bool = is_digit_7(N),
Bool = is_digit_8(N),
+ Bool = is_digit_9(42, N),
+ Bool = is_digit_10(N, 0),
+ Bool = is_digit_11(N, 0),
rel_op_combinations_1(N-1, Digits).
is_digit_1(X) when 16#0660 =< X, X =< 16#0669 -> true;
@@ -1373,6 +1402,24 @@ is_digit_8(X) when X =< 16#0669, X > (16#0660-1) -> true;
is_digit_8(16#0670) -> false;
is_digit_8(_) -> false.
+is_digit_9(A, 0) when A =:= 42 -> false;
+is_digit_9(_, X) when X > 16#065F, X < 16#066A -> true;
+is_digit_9(_, X) when 16#0030 =< X, X =< 16#0039 -> true;
+is_digit_9(_, X) when 16#06F0 =< X, X =< 16#06F9 -> true;
+is_digit_9(_, _) -> false.
+
+is_digit_10(0, 0) -> false;
+is_digit_10(X, _) when X < 16#066A, 16#0660 =< X -> true;
+is_digit_10(X, _) when 16#0030 =< X, X =< 16#0039 -> true;
+is_digit_10(X, _) when 16#06F0 =< X, X =< 16#06F9 -> true;
+is_digit_10(_, _) -> false.
+
+is_digit_11(0, 0) -> false;
+is_digit_11(X, _) when X =< 16#0669, 16#0660 =< X -> true;
+is_digit_11(X, _) when 16#0030 =< X, X =< 16#0039 -> true;
+is_digit_11(X, _) when 16#06F0 =< X, X =< 16#06F9 -> true;
+is_digit_11(_, _) -> false.
+
rel_op_combinations_2(0, _) ->
ok;
rel_op_combinations_2(N, Range) ->
@@ -1473,6 +1520,7 @@ rel_op_combinations_3(N, Red) ->
Val = redundant_9(N),
Val = redundant_10(N),
Val = redundant_11(N),
+ Val = redundant_11(N),
rel_op_combinations_3(N-1, Red).
redundant_1(X) when X >= 51, X =< 80 -> 5*X;
@@ -1527,6 +1575,10 @@ redundant_11(X) when X =:= 10 -> 2*X;
redundant_11(X) when X >= 51, X =< 80 -> 5*X;
redundant_11(_) -> none.
+redundant_12(X) when X >= 50, X =< 80 -> 2*X;
+redundant_12(X) when X < 51 -> 5*X;
+redundant_12(_) -> none.
+
%% Test type tests on literal values. (From emulator test suites.)
literal_type_tests(Config) when is_list(Config) ->
case ?MODULE of
@@ -1779,15 +1831,10 @@ t_tuple_size(Config) when is_list(Config) ->
error = ludicrous_tuple_size({a,b,c}),
error = ludicrous_tuple_size([a,b,c]),
- %% Test the "unsafe case" - the register assigned the tuple size is
- %% not killed.
- DataDir = test_lib:get_data_dir(Config),
- File = filename:join(DataDir, "guard_SUITE_tuple_size"),
- {ok,Mod,Code} = compile:file(File, [from_asm,binary]),
- code:load_binary(Mod, File, Code),
- 14 = Mod:t({1,2,3,4}),
- _ = code:delete(Mod),
- _ = code:purge(Mod),
+ good_ip({1,2,3,4}),
+ good_ip({1,2,3,4,5,6,7,8}),
+ error = validate_ip({42,11}),
+ error = validate_ip(atom),
ok.
@@ -1805,6 +1852,16 @@ ludicrous_tuple_size(T)
when tuple_size(T) =:= 16#FFFFFFFFFFFFFFFF -> ok;
ludicrous_tuple_size(_) -> error.
+good_ip(IP) ->
+ IP = validate_ip(IP).
+
+validate_ip(Value) when is_tuple(Value) andalso
+ ((size(Value) =:= 4) orelse (size(Value) =:= 8)) ->
+ %% size/1 (converted to tuple_size) used more than once.
+ Value;
+validate_ip(_) ->
+ error.
+
%%
%% The binary_part/2,3 guard BIFs
%%
@@ -2206,32 +2263,25 @@ maps() ->
evidence(#{0 := Charge}) when 0; #{[] => Charge} == #{[] => 42} ->
ok.
-cover_beam_dead(_Config) ->
- Mod = ?FUNCTION_NAME,
- Attr = [],
- Fs = [{function,test,1,2,
- [{label,1},
- {line,[]},
- {func_info,{atom,Mod},{atom,test},1},
- {label,2},
- %% Cover beam_dead:turn_op/1 using swapped operand order.
- {test,is_ne_exact,{f,3},[{integer,1},{x,0}]},
- {test,is_eq_exact,{f,1},[{atom,a},{x,0}]},
- {label,3},
- {move,{atom,ok},{x,0}},
- return]}],
- Exp = [{test,1}],
- Asm = {Mod,Exp,Attr,Fs,3},
- {ok,Mod,Beam} = compile:forms(Asm, [from_asm,binary,report]),
- {module,Mod} = code:load_binary(Mod, Mod, Beam),
- ok = Mod:test(1),
- ok = Mod:test(a),
- {'EXIT',_} = (catch Mod:test(other)),
- true = code:delete(Mod),
- _ = code:purge(Mod),
-
+repeated_type_tests(_Config) ->
+ binary = repeated_type_test(<<42>>),
+ bitstring = repeated_type_test(<<1:1>>),
+ other = repeated_type_test(atom),
ok.
+repeated_type_test(T) ->
+ %% Test for a bug in beam_ssa_dead.
+ if is_bitstring(T) ->
+ if is_binary(T) -> %This test would be optimized away.
+ binary;
+ true ->
+ bitstring
+ end;
+ true ->
+ other
+ end.
+
+
%% Call this function to turn off constant propagation.
id(I) -> I.
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-31 04:57:45 +0000