diff options
Diffstat (limited to 'lib/compiler/test/receive_SUITE.erl')
| -rw-r--r-- | lib/compiler/test/receive_SUITE.erl | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/lib/compiler/test/receive_SUITE.erl b/lib/compiler/test/receive_SUITE.erl index 00a6e900d4..fb82bf6101 100644 --- a/lib/compiler/test/receive_SUITE.erl +++ b/lib/compiler/test/receive_SUITE.erl @@ -187,12 +187,13 @@ ref_opt(Config) when is_list(Config) -> end. ref_opt_1(Config) -> - ?line DataDir = ?config(data_dir, Config), - ?line PrivDir = ?config(priv_dir, Config), + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), Sources = filelib:wildcard(filename:join([DataDir,"ref_opt","*.{erl,S}"])), - ?line test_lib:p_run(fun(Src) -> - do_ref_opt(Src, PrivDir) - end, Sources), + test_lib:p_run(fun(Src) -> + do_ref_opt(Src, PrivDir) + end, Sources), + cover_recv_instructions(), ok. do_ref_opt(Source, PrivDir) -> @@ -202,9 +203,9 @@ do_ref_opt(Source, PrivDir) -> {outdir,PrivDir}] ++ [from_asm || Ext =:= ".S" ]), Base = filename:rootname(filename:basename(Source), Ext), - code:purge(list_to_atom(Base)), - BeamFile = filename:join(PrivDir, Base), - code:load_abs(BeamFile), + code:purge(list_to_atom(Base)), + BeamFile = filename:join(PrivDir, Base), + code:load_abs(BeamFile), ok = Mod:Mod(), {beam_file,Mod,_,_,_,Code} = beam_disasm:file(BeamFile), case Base of @@ -232,6 +233,27 @@ collect_recv_opt_instrs(Code) -> end] || {function,_,_,_,Is} <- Code], lists:append(L). +cover_recv_instructions() -> + %% We want to cover the handling of recv_mark and recv_set in beam_utils. + %% Since those instructions are introduced in a late optimization pass, + %% beam_utils:live_opt() will not see them unless the compilation is + %% started from a .S file. The compile_SUITE:asm/1 test case will + %% compile all test suite files to .S and then run them through the + %% compiler again. + %% + %% Here will we will ensure that this modules contains recv_mark + %% and recv_set instructions. + Pid = spawn_link(fun() -> + receive {Parent,Ref} -> + Parent ! Ref + end + end), + Ref = make_ref(), + Pid ! {self(),Ref}, + receive + Ref -> ok + end. + export(Config) when is_list(Config) -> Ref = make_ref(), ?line self() ! {result,Ref,42}, |