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authorBjörn Gustavsson <[email protected]>2019-01-31 18:21:19 +0100
committerBjörn Gustavsson <[email protected]>2019-02-01 13:03:29 +0100
commit31652916db93c4d4c0363aae48913210a7642d0f (patch)
tree1f64fcbed839bbd99da834d249ba2418e83f25b0 /lib/compiler/test
parentbc0aef4bb631acbf0b8e8fd8ecc51cb1286ed8c9 (diff)
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Remove the optimized_guard/1 test case
With the new SSA code passes, the optimized_guard/1 test case has become really bad at finding unnecessary `and` and `or` instructions.
Diffstat (limited to 'lib/compiler/test')
-rw-r--r--lib/compiler/test/compile_SUITE.erl83
1 files changed, 2 insertions, 81 deletions
diff --git a/lib/compiler/test/compile_SUITE.erl b/lib/compiler/test/compile_SUITE.erl
index 7452466666..8b996f525d 100644
--- a/lib/compiler/test/compile_SUITE.erl
+++ b/lib/compiler/test/compile_SUITE.erl
@@ -33,7 +33,7 @@
other_output/1, kernel_listing/1, encrypted_abstr/1,
strict_record/1, utf8_atoms/1, utf8_functions/1, extra_chunks/1,
cover/1, env/1, core_pp/1, tuple_calls/1,
- core_roundtrip/1, asm/1, optimized_guards/1,
+ core_roundtrip/1, asm/1,
sys_pre_attributes/1, dialyzer/1,
warnings/1, pre_load_check/1, env_compiler_options/1,
bc_options/1, deterministic_include/1, deterministic_paths/1
@@ -50,7 +50,7 @@ all() ->
binary, makedep, cond_and_ifdef, listings, listings_big,
other_output, kernel_listing, encrypted_abstr, tuple_calls,
strict_record, utf8_atoms, utf8_functions, extra_chunks,
- cover, env, core_pp, core_roundtrip, asm, optimized_guards,
+ cover, env, core_pp, core_roundtrip, asm,
sys_pre_attributes, dialyzer, warnings, pre_load_check,
env_compiler_options, custom_debug_info, bc_options,
custom_compile_info, deterministic_include, deterministic_paths].
@@ -1174,85 +1174,6 @@ do_asm(Beam, Outdir) ->
error
end.
-%% Make sure that guards are fully optimized. Guards should
-%% should use 'test' instructions, not 'bif' instructions.
-
-optimized_guards(_Config) ->
- TestBeams = get_unique_beam_files(),
- test_lib:p_run(fun(F) -> do_opt_guards(F) end, TestBeams).
-
-do_opt_guards(Beam) ->
- {ok,{M,[{abstract_code,{raw_abstract_v1,A}}]}} =
- beam_lib:chunks(Beam, [abstract_code]),
- try
- {ok,M,Asm} = compile:forms(A, ['S']),
- do_opt_guards_mod(Asm)
- catch Class:Error:Stk ->
- io:format("~p: ~p ~p\n~p\n", [M,Class,Error,Stk]),
- error
- end.
-
-do_opt_guards_mod({Mod,_Exp,_Attr,Asm,_NumLabels}) ->
- case do_opt_guards_fs(Mod, Asm) of
- [] ->
- ok;
- [_|_]=Bifs ->
- io:format("ERRORS FOR ~p:\n~p\n", [Mod,Bifs]),
- error
- end.
-
-do_opt_guards_fs(Mod, [{function,Name,Arity,_,Is}|Fs]) ->
- Bifs0 = do_opt_guards_fun(Is),
-
- %% The compiler does not attempt to optimize 'xor'.
- %% Therefore, ignore all functions that use 'xor' in
- %% a guard.
- Bifs = case lists:any(fun({bif,'xor',_,_,_}) -> true;
- (_) -> false
- end, Bifs0) of
- true -> [];
- false -> Bifs0
- end,
-
- %% Filter out the allowed exceptions.
- FA = {Name,Arity},
- case {Bifs,is_exception(Mod, FA)} of
- {[_|_],true} ->
- io:format("~p:~p/~p IGNORED:\n~p\n",
- [Mod,Name,Arity,Bifs]),
- do_opt_guards_fs(Mod, Fs);
- {[_|_],false} ->
- [{FA,Bifs}|do_opt_guards_fs(Mod, Fs)];
- {[],false} ->
- do_opt_guards_fs(Mod, Fs);
- {[],true} ->
- io:format("Redundant exception for ~p:~p/~p\n",
- [Mod,Name,Arity]),
- error(redundant)
- end;
-do_opt_guards_fs(_, []) -> [].
-
-do_opt_guards_fun([{bif,Name,{f,F},As,_}=I|Is]) when F =/= 0 ->
- Arity = length(As),
- case erl_internal:comp_op(Name, Arity) orelse
- erl_internal:bool_op(Name, Arity) orelse
- erl_internal:new_type_test(Name, Arity) of
- true ->
- [I|do_opt_guards_fun(Is)];
- false ->
- do_opt_guards_fun(Is)
- end;
-do_opt_guards_fun([_|Is]) ->
- do_opt_guards_fun(Is);
-do_opt_guards_fun([]) -> [].
-
-is_exception(guard_SUITE, {'-complex_not/1-fun-4-',1}) -> true;
-is_exception(guard_SUITE, {'-complex_not/1-fun-5-',1}) -> true;
-is_exception(guard_SUITE, {bad_guards,1}) -> true;
-is_exception(guard_SUITE, {nested_not_2b,6}) -> true; %% w/o type optimization
-is_exception(guard_SUITE, {nested_not_2b,2}) -> true; %% with type optimization
-is_exception(_, _) -> false.
-
sys_pre_attributes(Config) ->
DataDir = proplists:get_value(data_dir, Config),
File = filename:join(DataDir, "attributes.erl"),