diff options
Diffstat (limited to 'lib/compiler')
| -rw-r--r-- | lib/compiler/src/compile.erl | 13 | ||||
| -rw-r--r-- | lib/compiler/src/sys_core_fold.erl | 10 | ||||
| -rw-r--r-- | lib/compiler/test/guard_SUITE.erl | 13 | ||||
| -rw-r--r-- | lib/compiler/test/warnings_SUITE.erl | 28 |
4 files changed, 59 insertions, 5 deletions
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl index e951a25e04..97d63d399a 100644 --- a/lib/compiler/src/compile.erl +++ b/lib/compiler/src/compile.erl @@ -684,7 +684,7 @@ kernel_passes() -> {iff,core,?pass(save_core_code)}, %% Kernel Erlang and code generation. - {pass,v3_kernel}, + ?pass(v3_kernel), {iff,dkern,{listing,"kernel"}}, {iff,'to_kernel',{done,"kernel"}}, {pass,v3_life}, @@ -1241,6 +1241,17 @@ core_fold_module_after_inlining(#compile{code=Code0,options=Opts}=St) -> {ok,Code,_Ws} = sys_core_fold:module(Code0, Opts), {ok,St#compile{code=Code}}. +v3_kernel(#compile{code=Code0,options=Opts,warnings=Ws0}=St) -> + {ok,Code,Ws} = v3_kernel:module(Code0, Opts), + case Ws =:= [] orelse test_core_inliner(St) of + false -> + {ok,St#compile{code=Code,warnings=Ws0++Ws}}; + true -> + %% cerl_inline may produce code that generates spurious + %% warnings. Ignore any such warnings. + {ok,St#compile{code=Code}} + end. + test_old_inliner(#compile{options=Opts}) -> %% The point of this test is to avoid loading the old inliner %% if we know that it will not be used. diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl index 08b02101a6..4922953407 100644 --- a/lib/compiler/src/sys_core_fold.erl +++ b/lib/compiler/src/sys_core_fold.erl @@ -734,7 +734,7 @@ call(#c_call{args=As}=Call, #c_literal{val=M}=M0, #c_literal{val=N}=N0, Sub) -> false -> case sys_core_fold_lists:call(Call, M, N, As) of none -> - call_1(Call, M, N, As, Sub); + call_1(Call, M0, N0, As, Sub); Core -> expr(Core, Sub) end @@ -1130,7 +1130,13 @@ clause_1(#c_clause{guard=G0,body=B0}=Cl, Ps1, Cexpr, Ctxt, Sub1) -> %% %% case A of NewVar when true -> ... %% - sub_set_var(Var, Cexpr, Sub2); + case cerl:is_c_fname(Cexpr) of + false -> + sub_set_var(Var, Cexpr, Sub2); + true -> + %% We must not copy funs, and especially not into guards. + Sub2 + end; _ -> Sub2 end, diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl index 6302f82f29..429d6b79e0 100644 --- a/lib/compiler/test/guard_SUITE.erl +++ b/lib/compiler/test/guard_SUITE.erl @@ -87,6 +87,7 @@ misc(Config) when is_list(Config) -> {ok,buf,<<>>} = get_data({o,true,0}, 42, buf), {ok,buf,<<>>} = get_data({o,false,0}, 0, buf), error = get_data({o,false,0}, 42, buf), + ok. @@ -343,6 +344,11 @@ complex_semicolon(Config) when is_list(Config) -> ok = csemi7(#{a=>1}, 3, 3), ok = csemi7(#{a=>1, b=>3}, 0, 0), + %% 8: Make sure that funs cannot be copied into guards. + ok = csemi8(true), + error = csemi8(false), + error = csemi8(42), + ok. csemi1(Type, Val) when is_list(Val), Type == float; @@ -457,6 +463,13 @@ csemi6(_, _) -> error. csemi7(A, B, C) when A#{a:=B} > #{a=>1}; abs(C) > 2 -> ok; csemi7(_, _, _) -> error. +csemi8(Together) -> + case fun csemi8/1 of + Typically when Together; Typically, Together -> ok; + _ -> error + end. + + comma(Config) when is_list(Config) -> %% ',' combinations of literal true/false. diff --git a/lib/compiler/test/warnings_SUITE.erl b/lib/compiler/test/warnings_SUITE.erl index f884e6e7d6..ff9bddc1e2 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]). + bit_syntax/1,inlining/1]). init_per_testcase(_Case, Config) -> Config. @@ -65,7 +65,7 @@ groups() -> bin_opt_info,bin_construction,comprehensions,maps, maps_bin_opt_info, redundant_boolean_clauses,latin1_fallback, - underscore,no_warnings,bit_syntax]}]. + underscore,no_warnings,bit_syntax,inlining]}]. init_per_suite(Config) -> Config. @@ -823,6 +823,30 @@ bit_syntax(Config) -> run(Config, Ts), ok. +inlining(Config) -> + %% Make sure that no spurious warnings are generated + %% when inlining. + Ts = [{inlining_1, + <<"-compile(inline). + compute1(X) -> add(X, 0). + add(1, 0) -> 1; + add(1, Y) -> 1 + Y; + add(X, Y) -> X + Y. + ">>, + [], + []}, + {inlining_2, + <<"-compile({inline,[add/2]}). + compute1(X) -> add(X, 0). + add(1, 0) -> 1; + add(1, Y) -> 1 + Y; + add(X, Y) -> X + Y. + ">>, + [], + []} + ], + run(Config, Ts), + ok. %%% %%% End of test cases. |