diff options
Diffstat (limited to 'lib/compiler/test')
| -rw-r--r-- | lib/compiler/test/beam_type_SUITE.erl | 4 | ||||
| -rw-r--r-- | lib/compiler/test/match_SUITE.erl | 22 | ||||
| -rw-r--r-- | lib/compiler/test/warnings_SUITE.erl | 19 |
3 files changed, 43 insertions, 2 deletions
diff --git a/lib/compiler/test/beam_type_SUITE.erl b/lib/compiler/test/beam_type_SUITE.erl index 061076b3ff..9f691716e3 100644 --- a/lib/compiler/test/beam_type_SUITE.erl +++ b/lib/compiler/test/beam_type_SUITE.erl @@ -157,6 +157,10 @@ coverage(Config) -> [_|_] -> ok end, + + %% Cover beam_type:verified_type(none). + {'EXIT',{badarith,_}} = (catch (id(2) / id(1)) band 16#ff), + ok. booleans(_Config) -> diff --git a/lib/compiler/test/match_SUITE.erl b/lib/compiler/test/match_SUITE.erl index e3f842b668..72e5356a8d 100644 --- a/lib/compiler/test/match_SUITE.erl +++ b/lib/compiler/test/match_SUITE.erl @@ -378,6 +378,13 @@ untuplify(Config) when is_list(Config) -> %% We do this to cover sys_core_fold:unalias_pat/1. {1,2,3,4,alias,{[1,2],{3,4},alias}} = untuplify_1([1,2], {3,4}, alias), error = untuplify_1([1,2], {3,4}, 42), + + %% Test that a previous bug in v3_codegen is gone. (The sinking of + %% stack frames into only the case arms that needed them was not always + %% safe.) + [33, -1, -33, 1] = untuplify_2(32, 65), + {33, 1, -33, -1} = untuplify_2(65, 32), + ok. untuplify_1(A, B, C) -> @@ -390,6 +397,21 @@ untuplify_1(A, B, C) -> error end. +untuplify_2(V1, V2) -> + {D1,D2,D3,D4} = + if V1 > V2 -> + %% The 1 value was overwritten by the value of V2-V1. + {V1-V2, 1, V2-V1, -1}; + true -> + {V2-V1, -1, V1-V2, 1} + end, + if + D2 > D4 -> + {D1, D2, D3, D4}; + true -> + [D1, D2, D3, D4] + end. + %% Coverage of beam_dead:shortcut_boolean_label/4. shortcut_boolean(Config) when is_list(Config) -> false = shortcut_boolean_1([0]), diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index 33d55996ad..1c23eba06d 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -42,7 +42,7 @@ comprehensions/1,maps/1,maps_bin_opt_info/1, redundant_boolean_clauses/1, latin1_fallback/1,underscore/1,no_warnings/1, - bit_syntax/1,inlining/1]). + bit_syntax/1,inlining/1,tuple_calls/1]). init_per_testcase(_Case, Config) -> Config. @@ -64,7 +64,8 @@ groups() -> bin_opt_info,bin_construction,comprehensions,maps, maps_bin_opt_info, redundant_boolean_clauses,latin1_fallback, - underscore,no_warnings,bit_syntax,inlining]}]. + underscore,no_warnings,bit_syntax,inlining, + tuple_calls]}]. init_per_suite(Config) -> test_lib:recompile(?MODULE), @@ -952,6 +953,20 @@ inlining(Config) -> run(Config, Ts), ok. +tuple_calls(Config) -> + %% Make sure that no spurious warnings are generated. + Ts = [{inlining_1, + <<"-compile(tuple_calls). + dispatch(X) -> + (list_to_atom(\"prefix_\" ++ + atom_to_list(suffix))):doit(X). + ">>, + [], + []} + ], + run(Config, Ts), + ok. + %%% %%% End of test cases. %%% |