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-rw-r--r--lib/compiler/doc/src/notes.xml17
-rw-r--r--lib/compiler/src/beam_utils.erl61
-rw-r--r--lib/compiler/src/beam_validator.erl18
-rw-r--r--lib/compiler/src/sys_core_fold.erl6
-rw-r--r--lib/compiler/test/beam_utils_SUITE.erl17
-rw-r--r--lib/compiler/test/core_SUITE.erl8
-rw-r--r--lib/compiler/test/core_SUITE_data/non_variable_apply.core80
-rw-r--r--lib/compiler/vsn.mk2
8 files changed, 167 insertions, 42 deletions
diff --git a/lib/compiler/doc/src/notes.xml b/lib/compiler/doc/src/notes.xml
index f3d42a909b..bc335a9eaa 100644
--- a/lib/compiler/doc/src/notes.xml
+++ b/lib/compiler/doc/src/notes.xml
@@ -32,6 +32,23 @@
<p>This document describes the changes made to the Compiler
application.</p>
+<section><title>Compiler 7.1.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>Fail labels on guard BIFs weren't taken into account
+ during an optimization pass, and a bug in the validation
+ pass sometimes prevented this from being noticed when a
+ fault occurred.</p>
+ <p>
+ Own Id: OTP-14522 Aux Id: ERIERL-48 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Compiler 7.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl
index cc6e54ca16..e39fbdc3b7 100644
--- a/lib/compiler/src/beam_utils.erl
+++ b/lib/compiler/src/beam_utils.erl
@@ -789,39 +789,48 @@ live_opt([{recv_mark,_}=I|Is], Regs, D, Acc) ->
live_opt([], _, _, Acc) -> Acc.
-live_opt_block([{set,Ds,Ss,Op}=I0|Is], Regs0, D, Acc) ->
+live_opt_block([{set,Ds,Ss,Op0}|Is], Regs0, D, Acc) ->
Regs1 = x_live(Ss, x_dead(Ds, Regs0)),
- {I,Regs} = case Op of
- {alloc,Live0,Alloc} ->
- %% The life-time analysis used by the code generator
- %% is sometimes too conservative, so it may be
- %% possible to lower the number of live registers
- %% based on the exact liveness information.
- %% The main benefit is that more optimizations that
- %% depend on liveness information (such as the
- %% beam_bool and beam_dead passes) may be applied.
- Live = live_regs(Regs1),
- true = Live =< Live0, %Assertion.
- I1 = {set,Ds,Ss,{alloc,Live,Alloc}},
- {I1,live_call(Live)};
- _ ->
- {I0,Regs1}
- end,
+ {Op, Regs} = live_opt_block_op(Op0, Regs1, D),
+ I = {set, Ds, Ss, Op},
+
case Ds of
- [{x,X}] ->
- case (not is_live(X, Regs0)) andalso Op =:= move of
- true ->
- live_opt_block(Is, Regs0, D, Acc);
- false ->
- live_opt_block(Is, Regs, D, [I|Acc])
- end;
- _ ->
- live_opt_block(Is, Regs, D, [I|Acc])
+ [{x,X}] ->
+ case (not is_live(X, Regs0)) andalso Op =:= move of
+ true ->
+ live_opt_block(Is, Regs0, D, Acc);
+ false ->
+ live_opt_block(Is, Regs, D, [I|Acc])
+ end;
+ _ ->
+ live_opt_block(Is, Regs, D, [I|Acc])
end;
live_opt_block([{'%live',_,_}|Is], Regs, D, Acc) ->
live_opt_block(Is, Regs, D, Acc);
live_opt_block([], Regs, _, Acc) -> {Acc,Regs}.
+live_opt_block_op({alloc,Live0,AllocOp}, Regs0, D) ->
+ Regs =
+ case AllocOp of
+ {Kind, _N, Fail} when Kind =:= gc_bif; Kind =:= put_map ->
+ live_join_label(Fail, D, Regs0);
+ _ ->
+ Regs0
+ end,
+
+ %% The life-time analysis used by the code generator is sometimes too
+ %% conservative, so it may be possible to lower the number of live
+ %% registers based on the exact liveness information. The main benefit is
+ %% that more optimizations that depend on liveness information (such as the
+ %% beam_bool and beam_dead passes) may be applied.
+ Live = live_regs(Regs),
+ true = Live =< Live0,
+ {{alloc,Live,AllocOp}, live_call(Live)};
+live_opt_block_op({bif,_N,Fail} = Op, Regs, D) ->
+ {Op, live_join_label(Fail, D, Regs)};
+live_opt_block_op(Op, Regs, _D) ->
+ {Op, Regs}.
+
live_join_labels([{f,L}|T], D, Regs0) when L =/= 0 ->
Regs = gb_trees:get(L, D) bor Regs0,
live_join_labels(T, D, Regs);
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index f726625510..00901077d3 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -928,9 +928,9 @@ verify_call_match_context(Lbl, Ctx, #vst{ft=Ft}) ->
error({unsuitable_bs_start_match2,I})
end.
-allocate(Zero, Stk, Heap, Live, #vst{current=#st{numy=none}=St}=Vst0) ->
+allocate(Zero, Stk, Heap, Live, #vst{current=#st{numy=none}}=Vst0) ->
verify_live(Live, Vst0),
- Vst = prune_x_regs(Live, Vst0),
+ Vst = #vst{current=St} = prune_x_regs(Live, Vst0),
Ys = init_regs(Stk, case Zero of
true -> initialized;
false -> uninitialized
@@ -1430,13 +1430,13 @@ merge_types(bool, {atom,A}) ->
merge_bool(A);
merge_types({atom,A}, bool) ->
merge_bool(A);
-merge_types(#ms{id=Id,valid=B0,slots=Slots}=M,
- #ms{id=Id,valid=B1,slots=Slots}) ->
- M#ms{valid=B0 bor B1,slots=Slots};
-merge_types(#ms{}=M, _) ->
- M;
-merge_types(_, #ms{}=M) ->
- M;
+merge_types(#ms{id=Id1,valid=B0,slots=Slots},
+ #ms{id=Id2,valid=B1,slots=Slots}) ->
+ Id = if
+ Id1 =:= Id2 -> Id1;
+ true -> make_ref()
+ end,
+ #ms{id=Id,valid=B0 band B1,slots=Slots};
merge_types(T1, T2) when T1 =/= T2 ->
%% Too different. All we know is that the type is a 'term'.
term.
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index e0cd6da06f..d73060fb7e 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -395,10 +395,10 @@ expr(#c_receive{clauses=Cs0,timeout=T0,action=A0}=Recv, Ctxt, Sub) ->
expr(#c_apply{anno=Anno,op=Op0,args=As0}=App, _, Sub) ->
Op1 = expr(Op0, value, Sub),
As1 = expr_list(As0, value, Sub),
- case Op1 of
- #c_var{} ->
+ case cerl:is_data(Op1) of
+ false ->
App#c_apply{op=Op1,args=As1};
- _ ->
+ true ->
add_warning(App, invalid_call),
Err = #c_call{anno=Anno,
module=#c_literal{val=erlang},
diff --git a/lib/compiler/test/beam_utils_SUITE.erl b/lib/compiler/test/beam_utils_SUITE.erl
index a3f1bb93fe..710cb050d4 100644
--- a/lib/compiler/test/beam_utils_SUITE.erl
+++ b/lib/compiler/test/beam_utils_SUITE.erl
@@ -260,6 +260,14 @@ otp_8949_b(A, B) ->
liveopt(_Config) ->
F = liveopt_fun(42, pebkac, user),
void = F(42, #alarmInfo{type=sctp,cause=pebkac,origin=user}),
+
+
+ A = {#alarmInfo{cause = {abc, def}}, ghi},
+ A = liveopt_guard_bif(A),
+
+ B = {#alarmInfo{cause = {abc}}, def},
+ {#alarmInfo{cause = {{abc}}}, def} = liveopt_guard_bif(B),
+
ok.
liveopt_fun(Peer, Cause, Origin) ->
@@ -271,6 +279,15 @@ liveopt_fun(Peer, Cause, Origin) ->
void
end.
+liveopt_guard_bif({#alarmInfo{cause=F}=R, X}=A) ->
+ %% ERIERL-48
+ if
+ is_tuple(F), tuple_size(F) == 2 -> A;
+ true ->
+ R2 = R#alarmInfo{cause={F}},
+ {R2,X}
+ end.
+
%% Thanks to QuickCheck.
coverage(_Config) ->
42+7 = merchant([[],7,false]),
diff --git a/lib/compiler/test/core_SUITE.erl b/lib/compiler/test/core_SUITE.erl
index f8839da42f..0e07e8dd2e 100644
--- a/lib/compiler/test/core_SUITE.erl
+++ b/lib/compiler/test/core_SUITE.erl
@@ -28,7 +28,8 @@
map_core_test/1,eval_case/1,bad_boolean_guard/1,
bs_shadowed_size_var/1,
cover_v3_kernel_1/1,cover_v3_kernel_2/1,cover_v3_kernel_3/1,
- cover_v3_kernel_4/1,cover_v3_kernel_5/1]).
+ cover_v3_kernel_4/1,cover_v3_kernel_5/1,
+ non_variable_apply/1]).
-include_lib("common_test/include/ct.hrl").
@@ -56,7 +57,8 @@ groups() ->
map_core_test,eval_case,bad_boolean_guard,
bs_shadowed_size_var,
cover_v3_kernel_1,cover_v3_kernel_2,cover_v3_kernel_3,
- cover_v3_kernel_4,cover_v3_kernel_5
+ cover_v3_kernel_4,cover_v3_kernel_5,
+ non_variable_apply
]}].
@@ -90,7 +92,7 @@ end_per_group(_GroupName, Config) ->
?comp(cover_v3_kernel_3).
?comp(cover_v3_kernel_4).
?comp(cover_v3_kernel_5).
-
+?comp(non_variable_apply).
try_it(Mod, Conf) ->
Src = filename:join(proplists:get_value(data_dir, Conf),
diff --git a/lib/compiler/test/core_SUITE_data/non_variable_apply.core b/lib/compiler/test/core_SUITE_data/non_variable_apply.core
new file mode 100644
index 0000000000..d9322cc455
--- /dev/null
+++ b/lib/compiler/test/core_SUITE_data/non_variable_apply.core
@@ -0,0 +1,80 @@
+module 'non_variable_apply' ['module_info'/0,
+ 'module_info'/1,
+ 'non_variable_apply'/0]
+ attributes []
+
+'non_variable_apply'/0 =
+ %% Line 4
+ fun () ->
+ case <> of
+ <> when 'true' ->
+ let <OkFun> =
+ fun (_@c0) ->
+ %% Line 5
+ case _@c0 of
+ <'ok'> when 'true' ->
+ 'ok'
+ ( <_@c1> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause',_@c1})
+ -| [{'function_name',{'-non_variable_apply/0-fun-0-',1}}] )
+ -| ['compiler_generated'] )
+ end
+ in let <F> =
+ fun (_@c5,_@c4) ->
+ %% Line 6
+ case <_@c5,_@c4> of
+ <F,X> when 'true' ->
+ apply apply 'id'/1 (F) (X)
+ ( <_@c7,_@c6> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause',_@c7,_@c6})
+ -| [{'function_name',{'-non_variable_apply/0-fun-1-',2}}] )
+ -| ['compiler_generated'] )
+ end
+ in %% Line 9
+ apply F
+ (OkFun, 'ok')
+ ( <> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause'})
+ -| [{'function_name',{'non_variable_apply',0}}] )
+ -| ['compiler_generated'] )
+ end
+'id'/1 =
+ %% Line 11
+ fun (_@c0) ->
+ case _@c0 of
+ <I> when 'true' ->
+ I
+ ( <_@c1> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause',_@c1})
+ -| [{'function_name',{'id',1}}] )
+ -| ['compiler_generated'] )
+ end
+'module_info'/0 =
+ fun () ->
+ case <> of
+ <> when 'true' ->
+ call 'erlang':'get_module_info'
+ ('non_variable_apply')
+ ( <> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause'})
+ -| [{'function_name',{'module_info',0}}] )
+ -| ['compiler_generated'] )
+ end
+'module_info'/1 =
+ fun (_@c0) ->
+ case _@c0 of
+ <X> when 'true' ->
+ call 'erlang':'get_module_info'
+ ('non_variable_apply', X)
+ ( <_@c1> when 'true' ->
+ ( primop 'match_fail'
+ ({'function_clause',_@c1})
+ -| [{'function_name',{'module_info',1}}] )
+ -| ['compiler_generated'] )
+ end
+end
diff --git a/lib/compiler/vsn.mk b/lib/compiler/vsn.mk
index 463c264a5f..27ee5a3fb7 100644
--- a/lib/compiler/vsn.mk
+++ b/lib/compiler/vsn.mk
@@ -1 +1 @@
-COMPILER_VSN = 7.1
+COMPILER_VSN = 7.1.1
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-10 05:39:38 +0000