diff options
Diffstat (limited to 'lib/compiler/test/warnings_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/warnings_SUITE.erl | 88 |
1 files changed, 54 insertions, 34 deletions
diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index 857995b6a6..70b7100451 100644 --- a/lib/compiler/test/warnings_SUITE.erl +++ b/lib/compiler/test/warnings_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2003-2017. All Rights Reserved. +%% Copyright Ericsson AB 2003-2018. All Rights Reserved. %% %% Licensed under the Apache License, Version 2.0 (the "License"); %% you may not use this file except in compliance with the License. @@ -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. @@ -55,7 +55,6 @@ suite() -> {timetrap,{minutes,2}}]. all() -> - test_lib:recompile(?MODULE), [{group,p}]. groups() -> @@ -65,9 +64,11 @@ 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), Config. end_per_suite(_Config) -> @@ -239,19 +240,7 @@ guard(Config) when is_list(Config) -> {4,sys_core_fold,nomatch_guard}, {6,sys_core_fold,no_clause_match}, {6,sys_core_fold,nomatch_guard}, - {6,sys_core_fold,{eval_failure,badarg}}, - {8,sys_core_fold,no_clause_match}, - {8,sys_core_fold,nomatch_guard}, - {8,sys_core_fold,{eval_failure,badarg}}, - {9,sys_core_fold,no_clause_match}, - {9,sys_core_fold,nomatch_guard}, - {9,sys_core_fold,{eval_failure,badarg}}, - {10,sys_core_fold,no_clause_match}, - {10,sys_core_fold,nomatch_guard}, - {10,sys_core_fold,{eval_failure,badarg}}, - {11,sys_core_fold,no_clause_match}, - {11,sys_core_fold,nomatch_guard}, - {11,sys_core_fold,{eval_failure,badarg}} + {6,sys_core_fold,{eval_failure,badarg}} ]}}], [] = run(Config, Ts), @@ -522,25 +511,43 @@ bin_opt_info(Config) when is_list(Config) -> <<>> -> ok end. + %% We use a tail in a BIF instruction, remote call, function + %% return, and an optimizable tail call for better coverage. + t2(<<A,B,T/bytes>>) -> + if + A > B -> t2(T); + A =< B -> T + end; + t2(<<_,T/bytes>>) when byte_size(T) < 4 -> + foo; t2(<<_,T/bytes>>) -> - split_binary(T, 4). + split_binary(T, 4). ">>, - Ts1 = [{bsm1, - Code, - [bin_opt_info], - {warnings, - [{4,sys_core_bsm,orig_bin_var_used_in_guard}, - {5,beam_bsm,{no_bin_opt,{{t1,1},no_suitable_bs_start_match}}}, - {9,beam_bsm,{no_bin_opt, - {binary_used_in,{extfunc,erlang,split_binary,2}}}} ]}}], - [] = run(Config, Ts1), + + Ws = (catch run_test(Config, Code, [bin_opt_info])), + + %% This is an inexact match since the pass reports exact instructions as + %% part of the warnings, which may include annotations that vary from run + %% to run. + {warnings, + [{5,beam_ssa_bsm,{unsuitable_call, + {{b_local,{b_literal,t1},1}, + {used_before_match, + {b_set,_,_,{bif,byte_size},[_]}}}}}, + {5,beam_ssa_bsm,{binary_created,_,_}}, + {11,beam_ssa_bsm,{binary_created,_,_}}, %% A =< B -> T + {13,beam_ssa_bsm,context_reused}, %% A > B -> t2(T); + {16,beam_ssa_bsm,{binary_created,_,_}}, %% when byte_size(T) < 4 -> + {19,beam_ssa_bsm,{remote_call, + {b_remote, + {b_literal,erlang}, + {b_literal,split_binary},2}}}, + {19,beam_ssa_bsm,{binary_created,_,_}} %% split_binary(T, 4) + ]} = Ws, %% For coverage: don't give the bin_opt_info option. - Ts2 = [{bsm2, - Code, - [], - []}], - [] = run(Config, Ts2), + [] = (catch run_test(Config, Code, [])), + ok. bin_construction(Config) when is_list(Config) -> @@ -746,7 +753,7 @@ maps_bin_opt_info(Config) when is_list(Config) -> M. ">>, [bin_opt_info], - {warnings,[{2,beam_bsm,bin_opt}]}}], + {warnings,[{3,beam_ssa_bsm,context_reused}]}}], [] = run(Config, Ts), ok. @@ -952,6 +959,20 @@ 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. %%% @@ -969,7 +990,6 @@ run(Config, Tests) -> end, lists:foldl(F, [], Tests). - %% Compiles a test module and returns the list of errors and warnings. run_test(Conf, Test0, Warnings) -> |