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-rw-r--r--lib/compiler/src/Makefile2
-rw-r--r--lib/compiler/src/beam_a.erl2
-rw-r--r--lib/compiler/src/beam_block.erl2
-rw-r--r--lib/compiler/src/beam_bs.erl2
-rw-r--r--lib/compiler/src/beam_bsm.erl2
-rw-r--r--lib/compiler/src/beam_clean.erl2
-rw-r--r--lib/compiler/src/beam_dead.erl2
-rw-r--r--lib/compiler/src/beam_disasm.erl2
-rw-r--r--lib/compiler/src/beam_disasm.hrl2
-rw-r--r--lib/compiler/src/beam_except.erl2
-rw-r--r--lib/compiler/src/beam_flatten.erl2
-rw-r--r--lib/compiler/src/beam_jump.erl23
-rw-r--r--lib/compiler/src/beam_listing.erl2
-rw-r--r--lib/compiler/src/beam_peep.erl2
-rw-r--r--lib/compiler/src/beam_receive.erl2
-rw-r--r--lib/compiler/src/beam_reorder.erl2
-rw-r--r--lib/compiler/src/beam_split.erl2
-rw-r--r--lib/compiler/src/beam_type.erl4
-rw-r--r--lib/compiler/src/beam_utils.erl13
-rw-r--r--lib/compiler/src/beam_validator.erl8
-rw-r--r--lib/compiler/src/beam_z.erl2
-rw-r--r--lib/compiler/src/compile.erl2
-rw-r--r--lib/compiler/src/core_lint.erl2
-rw-r--r--lib/compiler/src/core_parse.yrl2
-rw-r--r--lib/compiler/src/core_pp.erl2
-rw-r--r--lib/compiler/src/erl_bifs.erl3
-rwxr-xr-xlib/compiler/src/genop.tab2
-rw-r--r--lib/compiler/src/sys_core_alias.erl2
-rw-r--r--lib/compiler/src/sys_core_bsm.erl2
-rw-r--r--lib/compiler/src/sys_core_dsetel.erl2
-rw-r--r--lib/compiler/src/sys_core_fold.erl67
-rw-r--r--lib/compiler/src/sys_core_inline.erl6
-rw-r--r--lib/compiler/src/v3_codegen.erl2
-rw-r--r--lib/compiler/src/v3_core.erl2
-rw-r--r--lib/compiler/src/v3_kernel.erl2
-rw-r--r--lib/compiler/src/v3_kernel.hrl2
-rw-r--r--lib/compiler/src/v3_kernel_pp.erl2
37 files changed, 107 insertions, 77 deletions
diff --git a/lib/compiler/src/Makefile b/lib/compiler/src/Makefile
index c81b81e82b..2408c76b48 100644
--- a/lib/compiler/src/Makefile
+++ b/lib/compiler/src/Makefile
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1996-2017. All Rights Reserved.
+# Copyright Ericsson AB 1996-2018. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_a.erl b/lib/compiler/src/beam_a.erl
index 91acb19971..6fd4ace540 100644
--- a/lib/compiler/src/beam_a.erl
+++ b/lib/compiler/src/beam_a.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2012-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2012-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_block.erl b/lib/compiler/src/beam_block.erl
index 8cd271e1dc..fe43163455 100644
--- a/lib/compiler/src/beam_block.erl
+++ b/lib/compiler/src/beam_block.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_bs.erl b/lib/compiler/src/beam_bs.erl
index 14cedbb582..5f1b9ed488 100644
--- a/lib/compiler/src/beam_bs.erl
+++ b/lib/compiler/src/beam_bs.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_bsm.erl b/lib/compiler/src/beam_bsm.erl
index 9f3b9d788f..1c8e0e9854 100644
--- a/lib/compiler/src/beam_bsm.erl
+++ b/lib/compiler/src/beam_bsm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_clean.erl b/lib/compiler/src/beam_clean.erl
index 955c128699..207f1c4deb 100644
--- a/lib/compiler/src/beam_clean.erl
+++ b/lib/compiler/src/beam_clean.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_dead.erl b/lib/compiler/src/beam_dead.erl
index 762c7bdf9e..efad082152 100644
--- a/lib/compiler/src/beam_dead.erl
+++ b/lib/compiler/src/beam_dead.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_disasm.erl b/lib/compiler/src/beam_disasm.erl
index a68c4b5367..6cee9acae4 100644
--- a/lib/compiler/src/beam_disasm.erl
+++ b/lib/compiler/src/beam_disasm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_disasm.hrl b/lib/compiler/src/beam_disasm.hrl
index c3326c15a0..e8ebfc4cfc 100644
--- a/lib/compiler/src/beam_disasm.hrl
+++ b/lib/compiler/src/beam_disasm.hrl
@@ -2,7 +2,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_except.erl b/lib/compiler/src/beam_except.erl
index abd39c661d..05c0f4fbc7 100644
--- a/lib/compiler/src/beam_except.erl
+++ b/lib/compiler/src/beam_except.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2011-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2011-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_flatten.erl b/lib/compiler/src/beam_flatten.erl
index c60211f516..20bd23a912 100644
--- a/lib/compiler/src/beam_flatten.erl
+++ b/lib/compiler/src/beam_flatten.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_jump.erl b/lib/compiler/src/beam_jump.erl
index c33de217bd..43084ad588 100644
--- a/lib/compiler/src/beam_jump.erl
+++ b/lib/compiler/src/beam_jump.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -164,17 +164,19 @@ share(Is0) ->
share_1([{label,L}=Lbl|Is], Dict0, Lbls0, [_|_]=Seq, Acc) ->
case maps:find(Seq, Dict0) of
- error ->
- Dict = maps:put(Seq, L, Dict0),
- share_1(Is, Dict, Lbls0, [], [Lbl|Seq ++ Acc]);
- {ok,Label} ->
+ error ->
+ Dict = maps:put(Seq, L, Dict0),
+ share_1(Is, Dict, Lbls0, [], [[Lbl|Seq]|Acc]);
+ {ok,Label} ->
Lbls = maps:put(L, Label, Lbls0),
- share_1(Is, Dict0, Lbls, [], [Lbl,{jump,{f,Label}}|Acc])
+ share_1(Is, Dict0, Lbls, [], [[Lbl,{jump,{f,Label}}]|Acc])
end;
-share_1([{func_info,_,_,_}|_]=Is, _, Lbls, [], Acc) when Lbls =/= #{} ->
- beam_utils:replace_labels(Acc, Is, Lbls, fun(Old) -> Old end);
+share_1([{func_info,_,_,_}|_]=Is0, _, Lbls, [], Acc0) when Lbls =/= #{} ->
+ lists:foldl(fun(Is, Acc) ->
+ beam_utils:replace_labels(Is, Acc, Lbls, fun(Old) -> Old end)
+ end, Is0, Acc0);
share_1([{func_info,_,_,_}|_]=Is, _, Lbls, [], Acc) when Lbls =:= #{} ->
- reverse(Acc, Is);
+ lists:foldl(fun lists:reverse/2, Is, Acc);
share_1([{'catch',_,_}=I|Is], Dict0, Lbls0, Seq, Acc) ->
{Dict,Lbls} = clean_non_sharable(Dict0, Lbls0),
share_1(Is, Dict, Lbls, [I|Seq], Acc);
@@ -187,6 +189,9 @@ share_1([{try_case,_}=I|Is], Dict0, Lbls0, Seq, Acc) ->
share_1([{catch_end,_}=I|Is], Dict0, Lbls0, Seq, Acc) ->
{Dict,Lbls} = clean_non_sharable(Dict0, Lbls0),
share_1(Is, Dict, Lbls, [I|Seq], Acc);
+share_1([{jump,{f,To}}=I,{label,L}=Lbl|Is], Dict0, Lbls0, _Seq, Acc) ->
+ Lbls = maps:put(L, To, Lbls0),
+ share_1(Is, Dict0, Lbls, [], [[Lbl,I]|Acc]);
share_1([I|Is], Dict, Lbls, Seq, Acc) ->
case is_unreachable_after(I) of
false ->
diff --git a/lib/compiler/src/beam_listing.erl b/lib/compiler/src/beam_listing.erl
index 73c6501fe5..518b958794 100644
--- a/lib/compiler/src/beam_listing.erl
+++ b/lib/compiler/src/beam_listing.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_peep.erl b/lib/compiler/src/beam_peep.erl
index 920fb00397..2b8dd40e29 100644
--- a/lib/compiler/src/beam_peep.erl
+++ b/lib/compiler/src/beam_peep.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_receive.erl b/lib/compiler/src/beam_receive.erl
index 3c8efa577c..ddbe67605a 100644
--- a/lib/compiler/src/beam_receive.erl
+++ b/lib/compiler/src/beam_receive.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2010-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2010-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_reorder.erl b/lib/compiler/src/beam_reorder.erl
index 63bb57a1ac..8d2ef5a431 100644
--- a/lib/compiler/src/beam_reorder.erl
+++ b/lib/compiler/src/beam_reorder.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_split.erl b/lib/compiler/src/beam_split.erl
index 52dd89b5bb..809e49b3d0 100644
--- a/lib/compiler/src/beam_split.erl
+++ b/lib/compiler/src/beam_split.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2011-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2011-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/beam_type.erl b/lib/compiler/src/beam_type.erl
index 12da8c9446..b5c979e529 100644
--- a/lib/compiler/src/beam_type.erl
+++ b/lib/compiler/src/beam_type.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -559,7 +559,7 @@ update({bs_save2,_,_}, Ts) ->
update({bs_restore2,_,_}, Ts) ->
Ts;
update({bs_context_to_binary,Dst}, Ts) ->
- tdb_store(Dst, {binary,1}, Ts);
+ tdb_store(Dst, any, Ts);
update({test,bs_start_match2,_,_,[Src,_],Dst}, Ts0) ->
Ts = tdb_meet(Src, {binary,1}, Ts0),
tdb_copy(Src, Dst, Ts);
diff --git a/lib/compiler/src/beam_utils.erl b/lib/compiler/src/beam_utils.erl
index f57a7af1ab..3bb671f034 100644
--- a/lib/compiler/src/beam_utils.erl
+++ b/lib/compiler/src/beam_utils.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -355,6 +355,9 @@ split_even(Rs) -> split_even(Rs, [], []).
%% exit BIF will raise an exception
%% used - Reg is used
+check_liveness({fr,_}, _, St) ->
+ %% Conservatively always consider the floating point register used.
+ {used,St};
check_liveness(R, [{block,Blk}|Is], St0) ->
case check_liveness_block(R, Blk, St0) of
{transparent,St1} ->
@@ -1105,8 +1108,12 @@ defs([{bif,_,{f,Fail},_Src,Dst}=I|Is], Regs0, D) ->
defs([{block,Block0}|Is], Regs0, D0) ->
{Block,Regs,D} = defs_list(Block0, Regs0, D0),
[{block,[make_anno({def,Regs0})|Block]}|defs(Is, Regs, D)];
-defs([{bs_init,{f,L},_,_,_,Dst}=I|Is], Regs0, D) ->
- Regs = def_regs([Dst], Regs0),
+defs([{bs_init,{f,L},_,Live,_,Dst}=I|Is], Regs0, D) ->
+ Regs1 = case Live of
+ none -> Regs0;
+ _ -> init_def_regs(Live)
+ end,
+ Regs = def_regs([Dst], Regs1),
[I|defs(Is, Regs, update_regs(L, Regs, D))];
defs([{bs_put,{f,L},_,_}=I|Is], Regs, D) ->
[I|defs(Is, Regs, update_regs(L, Regs, D))];
diff --git a/lib/compiler/src/beam_validator.erl b/lib/compiler/src/beam_validator.erl
index 86aa12e19b..a1b71251b7 100644
--- a/lib/compiler/src/beam_validator.erl
+++ b/lib/compiler/src/beam_validator.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2004-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2004-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -546,6 +546,12 @@ valfun_4({bif,raise,{f,0},Src,_Dst}, Vst) ->
kill_state(Vst);
valfun_4(raw_raise=I, Vst) ->
call(I, 3, Vst);
+valfun_4({bif,map_get,{f,Fail},[_Key,Map]=Src,Dst}, Vst0) ->
+ validate_src(Src, Vst0),
+ Vst1 = branch_state(Fail, Vst0),
+ Vst = set_type(map, Map, Vst1),
+ Type = propagate_fragility(term, Src, Vst),
+ set_type_reg(Type, Dst, Vst);
valfun_4({bif,Op,{f,Fail},Src,Dst}, Vst0) ->
validate_src(Src, Vst0),
Vst = branch_state(Fail, Vst0),
diff --git a/lib/compiler/src/beam_z.erl b/lib/compiler/src/beam_z.erl
index 6c3a6995d7..1c9d762eb1 100644
--- a/lib/compiler/src/beam_z.erl
+++ b/lib/compiler/src/beam_z.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2012-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2012-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/compile.erl b/lib/compiler/src/compile.erl
index a37b2064b2..5ef9611504 100644
--- a/lib/compiler/src/compile.erl
+++ b/lib/compiler/src/compile.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/core_lint.erl b/lib/compiler/src/core_lint.erl
index 6ded8fe78f..3f69cb03a9 100644
--- a/lib/compiler/src/core_lint.erl
+++ b/lib/compiler/src/core_lint.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/core_parse.yrl b/lib/compiler/src/core_parse.yrl
index 11c4cd8b50..10d8c44dd3 100644
--- a/lib/compiler/src/core_parse.yrl
+++ b/lib/compiler/src/core_parse.yrl
@@ -1,7 +1,7 @@
%% -*-Erlang-*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/core_pp.erl b/lib/compiler/src/core_pp.erl
index f247722b4c..cb3f24fd08 100644
--- a/lib/compiler/src/core_pp.erl
+++ b/lib/compiler/src/core_pp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/erl_bifs.erl b/lib/compiler/src/erl_bifs.erl
index a7452aebc8..71ab0e872a 100644
--- a/lib/compiler/src/erl_bifs.erl
+++ b/lib/compiler/src/erl_bifs.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -91,6 +91,7 @@ is_pure(erlang, is_bitstring, 1) -> true;
%% erlang:is_builtin/3 depends on the state (i.e. the version of the emulator).
is_pure(erlang, is_float, 1) -> true;
is_pure(erlang, is_function, 1) -> true;
+is_pure(erlang, is_function, 2) -> true;
is_pure(erlang, is_integer, 1) -> true;
is_pure(erlang, is_list, 1) -> true;
is_pure(erlang, is_map, 1) -> true;
diff --git a/lib/compiler/src/genop.tab b/lib/compiler/src/genop.tab
index a47d4e8cf7..02dead9e92 100755
--- a/lib/compiler/src/genop.tab
+++ b/lib/compiler/src/genop.tab
@@ -1,7 +1,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1998-2017. All Rights Reserved.
+# Copyright Ericsson AB 1998-2018. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/sys_core_alias.erl b/lib/compiler/src/sys_core_alias.erl
index 1bce1577d1..3326c6a2a8 100644
--- a/lib/compiler/src/sys_core_alias.erl
+++ b/lib/compiler/src/sys_core_alias.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/sys_core_bsm.erl b/lib/compiler/src/sys_core_bsm.erl
index 65580f79e3..d7b26c3a56 100644
--- a/lib/compiler/src/sys_core_bsm.erl
+++ b/lib/compiler/src/sys_core_bsm.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2017. All Rights Reserved.
+%% Copyright Ericsson AB 2017-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/sys_core_dsetel.erl b/lib/compiler/src/sys_core_dsetel.erl
index 9e2df69b33..9ab83c210f 100644
--- a/lib/compiler/src/sys_core_dsetel.erl
+++ b/lib/compiler/src/sys_core_dsetel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index a13bdedaf9..0aa58a46e4 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -99,7 +99,7 @@
t=#{} :: map(), %Types
in_guard=false}). %In guard or not.
--type type_info() :: cerl:cerl() | 'bool' | 'integer'.
+-type type_info() :: cerl:cerl() | 'bool' | 'integer' | {'fun', pos_integer()}.
-type yes_no_maybe() :: 'yes' | 'no' | 'maybe'.
-type sub() :: #sub{}.
@@ -883,6 +883,10 @@ fold_non_lit_args(Call, erlang, setelement, [Arg1,Arg2,Arg3], _) ->
eval_setelement(Call, Arg1, Arg2, Arg3);
fold_non_lit_args(Call, erlang, is_record, [Arg1,Arg2,Arg3], Sub) ->
eval_is_record(Call, Arg1, Arg2, Arg3, Sub);
+fold_non_lit_args(Call, erlang, is_function, [Arg1], Sub) ->
+ eval_is_function_1(Call, Arg1, Sub);
+fold_non_lit_args(Call, erlang, is_function, [Arg1,Arg2], Sub) ->
+ eval_is_function_2(Call, Arg1, Arg2, Sub);
fold_non_lit_args(Call, erlang, N, Args, Sub) ->
NumArgs = length(Args),
case erl_internal:comp_op(N, NumArgs) of
@@ -898,6 +902,22 @@ fold_non_lit_args(Call, erlang, N, Args, Sub) ->
end;
fold_non_lit_args(Call, _, _, _, _) -> Call.
+eval_is_function_1(Call, Arg1, Sub) ->
+ case get_type(Arg1, Sub) of
+ none -> Call;
+ {'fun',_} -> #c_literal{anno=cerl:get_ann(Call),val=true};
+ _ -> #c_literal{anno=cerl:get_ann(Call),val=false}
+ end.
+
+eval_is_function_2(Call, Arg1, #c_literal{val=Arity}, Sub)
+ when is_integer(Arity), Arity > 0 ->
+ case get_type(Arg1, Sub) of
+ none -> Call;
+ {'fun',Arity} -> #c_literal{anno=cerl:get_ann(Call),val=true};
+ _ -> #c_literal{anno=cerl:get_ann(Call),val=false}
+ end;
+eval_is_function_2(Call, _Arg1, _Arg2, _Sub) -> Call.
+
%% Evaluate a relational operation using type information.
eval_rel_op(Call, Op, [#c_var{name=V},#c_var{name=V}], _) ->
Bool = erlang:Op(same, same),
@@ -1275,13 +1295,18 @@ let_subst_list([], [], _) -> {[],[],[]}.
%%pattern(Pat, Sub) -> pattern(Pat, Sub, Sub).
pattern(#c_var{}=Pat, Isub, Osub) ->
- case sub_is_val(Pat, Isub) of
+ case sub_is_in_scope(Pat, Isub) of
true ->
+ %% This variable either has a substitution or is used in
+ %% the variable list of an enclosing `let`. In either
+ %% case, it must be renamed to an unused name to avoid
+ %% name capture problems.
V1 = make_var_name(),
Pat1 = #c_var{name=V1},
{Pat1,sub_set_var(Pat, Pat1, sub_add_scope([V1], Osub))};
false ->
- {Pat,sub_del_var(Pat, Osub)}
+ %% This variable has never been used. Add it to the scope.
+ {Pat,sub_add_scope([Pat#c_var.name], Osub)}
end;
pattern(#c_literal{}=Pat, _, Osub) -> {Pat,Osub};
pattern(#c_cons{anno=Anno,hd=H0,tl=T0}, Isub, Osub0) ->
@@ -1460,8 +1485,8 @@ is_subst(_) -> false.
%% sub_set_name(Name, Value, #sub{}) -> #sub{}.
%% sub_del_var(Var, #sub{}) -> #sub{}.
%% sub_subst_var(Var, Value, #sub{}) -> [{Name,Value}].
-%% sub_is_val(Var, #sub{}) -> boolean().
-%% sub_add_scope(#sub{}) -> #sub{}
+%% sub_is_in_scope(Var, #sub{}) -> boolean().
+%% sub_add_scope([Var], #sub{}) -> #sub{}
%% sub_subst_scope(#sub{}) -> #sub{}
%%
%% We use the variable name as key so as not have problems with
@@ -1496,18 +1521,6 @@ sub_set_name(V, Val, #sub{v=S,s=Scope,t=Tdb0}=Sub) ->
Tdb = copy_type(V, Val, Tdb1),
Sub#sub{v=orddict:store(V, Val, S),s=cerl_sets:add_element(V, Scope),t=Tdb}.
-sub_del_var(#c_var{name=V}, #sub{v=S,s=Scope,t=Tdb}=Sub) ->
- %% Profiling shows that for programs with many record operations,
- %% sub_del_var/2 is a bottleneck. Since the scope contains all
- %% variables that are live, we know that V cannot be present in S
- %% if it is not in the scope.
- case cerl_sets:is_element(V, Scope) of
- false ->
- Sub#sub{s=cerl_sets:add_element(V, Scope)};
- true ->
- Sub#sub{v=orddict:erase(V, S),t=kill_types(V, Tdb)}
- end.
-
sub_subst_var(#c_var{name=V}, Val, #sub{v=S0}) ->
%% Fold chained substitutions.
[{V,Val}] ++ [ {K,Val} || {K,#c_var{name=V1}} <- S0, V1 =:= V].
@@ -1533,16 +1546,8 @@ sub_subst_scope_1([H|T], Key, Acc) ->
sub_subst_scope_1(T, Key-1, [{Key,#c_var{name=H}}|Acc]);
sub_subst_scope_1([], _, Acc) -> Acc.
-sub_is_val(#c_var{name=V}, #sub{v=S,s=Scope}) ->
- %% When the bottleneck in sub_del_var/2 was eliminated, this
- %% became the new bottleneck. Since the scope contains all
- %% live variables, a variable V can only be the target for
- %% a substitution if it is in the scope.
- cerl_sets:is_element(V, Scope) andalso v_is_value(V, S).
-
-v_is_value(Var, [{_,#c_var{name=Var}}|_]) -> true;
-v_is_value(Var, [_|T]) -> v_is_value(Var, T);
-v_is_value(_, []) -> false.
+sub_is_in_scope(#c_var{name=V}, #sub{s=Scope}) ->
+ cerl_sets:is_element(V, Scope).
%% warn_no_clause_match(CaseOrig, CaseOpt) -> ok
%% Generate a warning if none of the user-specified clauses
@@ -3120,6 +3125,10 @@ update_types_2(V, [#c_tuple{}=P], Types) ->
Types#{V=>P};
update_types_2(V, [#c_literal{val=Bool}], Types) when is_boolean(Bool) ->
Types#{V=>bool};
+update_types_2(V, [#c_fun{vars=Vars}], Types) ->
+ Types#{V=>{'fun',length(Vars)}};
+update_types_2(V, [#c_var{name={_,Arity}}], Types) ->
+ Types#{V=>{'fun',Arity}};
update_types_2(V, [Type], Types) when is_atom(Type) ->
Types#{V=>Type};
update_types_2(_, _, Types) -> Types.
@@ -3138,6 +3147,8 @@ kill_types2(V, [{_,#c_tuple{}=Tuple}=Entry|Tdb]) ->
false -> [Entry|kill_types2(V, Tdb)];
true -> kill_types2(V, Tdb)
end;
+kill_types2(V, [{_, {'fun',_}}=Entry|Tdb]) ->
+ [Entry|kill_types2(V, Tdb)];
kill_types2(V, [{_,Atom}=Entry|Tdb]) when is_atom(Atom) ->
[Entry|kill_types2(V, Tdb)];
kill_types2(_, []) -> [].
diff --git a/lib/compiler/src/sys_core_inline.erl b/lib/compiler/src/sys_core_inline.erl
index 8c1f69d5de..5a6cc45e4a 100644
--- a/lib/compiler/src/sys_core_inline.erl
+++ b/lib/compiler/src/sys_core_inline.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2000-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2000-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -143,7 +143,7 @@ inline_inline(#ifun{body=B,weight=Iw}=If, Is) ->
case find_inl(F, A, Is) of
#ifun{vars=Vs,body=B2,weight=W} when W < Iw ->
#c_let{vars=Vs,
- arg=core_lib:make_values(As),
+ arg=kill_id_anns(core_lib:make_values(As)),
body=kill_id_anns(B2)};
_Other -> Call
end;
@@ -160,7 +160,7 @@ inline_func(#fstat{def={Name,F0}}=Fstat, Is) ->
case find_inl(F, A, Is) of
#ifun{vars=Vs,body=B} ->
{#c_let{vars=Vs,
- arg=core_lib:make_values(As),
+ arg=kill_id_anns(core_lib:make_values(As)),
body=kill_id_anns(B)},
true}; %Have modified
_Other -> {Call,Mod}
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl
index 9652a8476d..6cd114abf7 100644
--- a/lib/compiler/src/v3_codegen.erl
+++ b/lib/compiler/src/v3_codegen.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 4799105d05..0196e7fdfd 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl
index 4e3ceedbc0..aef0b6cc9f 100644
--- a/lib/compiler/src/v3_kernel.erl
+++ b/lib/compiler/src/v3_kernel.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/v3_kernel.hrl b/lib/compiler/src/v3_kernel.hrl
index 7cd30b25a8..e6f0d3c1f7 100644
--- a/lib/compiler/src/v3_kernel.hrl
+++ b/lib/compiler/src/v3_kernel.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2016. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
diff --git a/lib/compiler/src/v3_kernel_pp.erl b/lib/compiler/src/v3_kernel_pp.erl
index e9cbe81088..c12c301ee2 100644
--- a/lib/compiler/src/v3_kernel_pp.erl
+++ b/lib/compiler/src/v3_kernel_pp.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.