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-rw-r--r--lib/compiler/src/beam_ssa_opt.erl18
-rw-r--r--lib/compiler/src/compile.erl7
-rw-r--r--lib/compiler/test/Makefile15
-rw-r--r--lib/compiler/test/beam_type_SUITE.erl25
-rw-r--r--lib/compiler/test/test_lib.erl3
5 files changed, 58 insertions, 10 deletions
diff --git a/lib/compiler/src/beam_ssa_opt.erl b/lib/compiler/src/beam_ssa_opt.erl
index cce539f582..580abf4ed9 100644
--- a/lib/compiler/src/beam_ssa_opt.erl
+++ b/lib/compiler/src/beam_ssa_opt.erl
@@ -1960,12 +1960,24 @@ is_merge_allowed(_, #b_blk{}, #b_blk{is=[#b_set{op=exception_trampoline}|_]}) ->
false;
is_merge_allowed(_, #b_blk{is=[#b_set{op=exception_trampoline}|_]}, #b_blk{}) ->
false;
-is_merge_allowed(L, #b_blk{last=#b_br{}}=Blk, #b_blk{}) ->
+is_merge_allowed(L, #b_blk{last=#b_br{}}=Blk, #b_blk{is=Is}) ->
%% The predecessor block must have exactly one successor (L) for
%% the merge to be safe.
case beam_ssa:successors(Blk) of
- [L] -> true;
- [_|_] -> false
+ [L] ->
+ case Is of
+ [#b_set{op=phi,args=[_]}|_] ->
+ %% The type optimizer pass must have been
+ %% turned off, since it would have removed this
+ %% redundant phi node. Refuse to merge the blocks
+ %% to ensure that this phi node remains at the
+ %% beginning of a block.
+ false;
+ _ ->
+ true
+ end;
+ [_|_] ->
+ false
end;
is_merge_allowed(_, #b_blk{last=#b_switch{}}, #b_blk{}) ->
false.
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index 42f9e8b902..21d67f5649 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -271,8 +271,11 @@ expand_opt(r22, Os) ->
[no_shared_fun_wrappers, no_swap | Os];
expand_opt({debug_info_key,_}=O, Os) ->
[encrypt_debug_info,O|Os];
-expand_opt(no_type_opt, Os) ->
- [no_ssa_opt_type_start,
+expand_opt(no_type_opt=O, Os) ->
+ %% Be sure to keep the no_type_opt option so that it will
+ %% be recorded in the BEAM file, allowing the test suites
+ %% to recompile the file with this option.
+ [O,no_ssa_opt_type_start,
no_ssa_opt_type_continue,
no_ssa_opt_type_finish | Os];
expand_opt(O, Os) -> [O|Os].
diff --git a/lib/compiler/test/Makefile b/lib/compiler/test/Makefile
index 2c0767b17f..44cff40128 100644
--- a/lib/compiler/test/Makefile
+++ b/lib/compiler/test/Makefile
@@ -110,6 +110,8 @@ NO_MOD_OPT = $(NO_OPT)
NO_SSA_OPT = $(NO_OPT)
+NO_TYPE_OPT = $(NO_OPT)
+
NO_OPT_MODULES= $(NO_OPT:%=%_no_opt_SUITE)
NO_OPT_ERL_FILES= $(NO_OPT_MODULES:%=%.erl)
POST_OPT_MODULES= $(NO_OPT:%=%_post_opt_SUITE)
@@ -122,6 +124,8 @@ NO_MOD_OPT_MODULES= $(NO_MOD_OPT:%=%_no_module_opt_SUITE)
NO_MOD_OPT_ERL_FILES= $(NO_MOD_OPT_MODULES:%=%.erl)
NO_SSA_OPT_MODULES= $(NO_SSA_OPT:%=%_no_ssa_opt_SUITE)
NO_SSA_OPT_ERL_FILES= $(NO_SSA_OPT_MODULES:%=%.erl)
+NO_TYPE_OPT_MODULES= $(NO_TYPE_OPT:%=%_no_type_opt_SUITE)
+NO_TYPE_OPT_ERL_FILES= $(NO_TYPE_OPT_MODULES:%=%.erl)
ERL_FILES= $(MODULES:%=%.erl)
CORE_FILES= $(CORE_MODULES:%=%.core)
@@ -151,7 +155,7 @@ EBIN = .
# ----------------------------------------------------
make_emakefile: $(NO_OPT_ERL_FILES) $(POST_OPT_ERL_FILES) $(NO_SSA_OPT_ERL_FILES) \
- $(INLINE_ERL_FILES) $(R21_ERL_FILES) $(NO_MOD_OPT_ERL_FILES)
+ $(INLINE_ERL_FILES) $(R21_ERL_FILES) $(NO_MOD_OPT_ERL_FILES) $(NO_TYPE_OPT_ERL_FILES)
$(ERL_TOP)/make/make_emakefile $(ERL_COMPILE_FLAGS) -o$(EBIN) $(MODULES) \
> $(EMAKEFILE)
$(ERL_TOP)/make/make_emakefile +no_copt +no_postopt \
@@ -170,6 +174,8 @@ make_emakefile: $(NO_OPT_ERL_FILES) $(POST_OPT_ERL_FILES) $(NO_SSA_OPT_ERL_FILES
-o$(EBIN) $(NO_MOD_OPT_MODULES) >> $(EMAKEFILE)
$(ERL_TOP)/make/make_emakefile +from_core $(ERL_COMPILE_FLAGS) \
-o$(EBIN) $(CORE_MODULES) >> $(EMAKEFILE)
+ $(ERL_TOP)/make/make_emakefile +no_type_opt $(ERL_COMPILE_FLAGS) \
+ -o$(EBIN) $(NO_TYPE_OPT_MODULES) >> $(EMAKEFILE)
tests debug opt: make_emakefile
erl $(ERL_MAKE_FLAGS) -make
@@ -203,6 +209,10 @@ docs:
%_no_module_opt_SUITE.erl: %_SUITE.erl
sed -e 's;-module($(basename $<));-module($(basename $@));' $< > $@
+%_no_type_opt_SUITE.erl: %_SUITE.erl
+ sed -e 's;-module($(basename $<));-module($(basename $@));' $< > $@
+
+
# ----------------------------------------------------
# Release Target
# ----------------------------------------------------
@@ -217,7 +227,8 @@ release_tests_spec: make_emakefile
$(INSTALL_DATA) $(NO_OPT_ERL_FILES) $(POST_OPT_ERL_FILES) \
$(INLINE_ERL_FILES) $(R21_ERL_FILES) \
$(NO_MOD_OPT_ERL_FILES) \
- $(NO_SSA_OPT_ERL_FILES) "$(RELSYSDIR)"
+ $(NO_SSA_OPT_ERL_FILES) \
+ $(NO_TYPE_OPT_ERL_FILES) "$(RELSYSDIR)"
$(INSTALL_DATA) $(CORE_FILES) "$(RELSYSDIR)"
for file in $(ERL_DUMMY_FILES); do \
module=`basename $$file .erl`; \
diff --git a/lib/compiler/test/beam_type_SUITE.erl b/lib/compiler/test/beam_type_SUITE.erl
index 076a604aa4..a99dee48aa 100644
--- a/lib/compiler/test/beam_type_SUITE.erl
+++ b/lib/compiler/test/beam_type_SUITE.erl
@@ -24,7 +24,8 @@
integers/1,numbers/1,coverage/1,booleans/1,setelement/1,
cons/1,tuple/1,record_float/1,binary_float/1,float_compare/1,
arity_checks/1,elixir_binaries/1,find_best/1,
- test_size/1,cover_lists_functions/1,list_append/1,bad_binary_unit/1]).
+ test_size/1,cover_lists_functions/1,list_append/1,bad_binary_unit/1,
+ none_argument/1]).
suite() -> [{ct_hooks,[ts_install_cth]}].
@@ -49,7 +50,8 @@ groups() ->
test_size,
cover_lists_functions,
list_append,
- bad_binary_unit
+ bad_binary_unit,
+ none_argument
]}].
init_per_suite(Config) ->
@@ -518,5 +520,24 @@ bad_binary_unit(_Config) ->
false = is_binary(Bitstring),
ok.
+%% ERL-1013: The compiler would crash during the type optimization pass.
+none_argument(_Config) ->
+ Binary = id(<<3:16, 42>>),
+ error = id(case Binary of
+ <<Len:16, Body/binary>> when length(Body) == Len - 2 ->
+ %% The type for Body will be none. It means
+ %% that this clause will never match and that
+ %% uncompress/1 will never be called.
+ uncompress(Body);
+ _ ->
+ error
+ end),
+ ok.
+
+uncompress(CompressedBinary) ->
+ %% The type for CompressedBinary is none, which beam_ssa_type
+ %% did not handle properly.
+ zlib:uncompress(CompressedBinary).
+
id(I) ->
I.
diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl
index a468482acb..4b68e663cd 100644
--- a/lib/compiler/test/test_lib.erl
+++ b/lib/compiler/test/test_lib.erl
@@ -99,7 +99,8 @@ get_data_dir(Config) ->
Data2 = re:replace(Data1, "_post_opt_SUITE", "_SUITE", Opts),
Data3 = re:replace(Data2, "_inline_SUITE", "_SUITE", Opts),
Data4 = re:replace(Data3, "_r21_SUITE", "_SUITE", Opts),
- Data = re:replace(Data4, "_no_module_opt_SUITE", "_SUITE", Opts),
+ Data5 = re:replace(Data4, "_no_module_opt_SUITE", "_SUITE", Opts),
+ Data = re:replace(Data5, "_no_type_opt_SUITE", "_SUITE", Opts),
re:replace(Data, "_no_ssa_opt_SUITE", "_SUITE", Opts).
is_cloned_mod(Mod) ->
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-16 09:10:43 +0000