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-rw-r--r--lib/hipe/main/Makefile2
-rw-r--r--lib/hipe/main/hipe.app.src1
-rw-r--r--lib/hipe/main/hipe.erl80
-rw-r--r--lib/hipe/main/hipe.hrl.src40
-rw-r--r--lib/hipe/main/hipe_main.erl16
5 files changed, 87 insertions, 52 deletions
diff --git a/lib/hipe/main/Makefile b/lib/hipe/main/Makefile
index 6b6cad3ed3..8ef31dbb46 100644
--- a/lib/hipe/main/Makefile
+++ b/lib/hipe/main/Makefile
@@ -70,7 +70,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE)
include ../native.mk
-ERL_COMPILE_FLAGS += +nowarn_shadow_vars +warn_missing_spec +warn_untyped_record
+ERL_COMPILE_FLAGS += -Werror +nowarn_shadow_vars +warn_export_vars +warn_missing_spec +warn_untyped_record
# ----------------------------------------------------
# Targets
diff --git a/lib/hipe/main/hipe.app.src b/lib/hipe/main/hipe.app.src
index aa86b6dc5b..f8487151d7 100644
--- a/lib/hipe/main/hipe.app.src
+++ b/lib/hipe/main/hipe.app.src
@@ -88,6 +88,7 @@
hipe_icode2rtl,
hipe_icode_bincomp,
hipe_icode_callgraph,
+ hipe_icode_call_elim,
hipe_icode_cfg,
hipe_icode_coordinator,
hipe_icode_ebb,
diff --git a/lib/hipe/main/hipe.erl b/lib/hipe/main/hipe.erl
index 0e32da1d36..6c525dd143 100644
--- a/lib/hipe/main/hipe.erl
+++ b/lib/hipe/main/hipe.erl
@@ -200,8 +200,9 @@
compile/4,
compile_core/4,
file/1,
- file/2,
- llvm_support_available/0,
+ file/2,
+ get_llvm_version/0,
+ llvm_support_available/0,
load/1,
help/0,
help_hiper/0,
@@ -448,16 +449,16 @@ compile(Name, File, Opts0) when is_atom(Name) ->
true ->
case filename:find_src(filename:rootname(File, ".beam")) of
{error, _} ->
- ?error_msg("Cannot find source code for ~p.",[File]),
+ ?error_msg("Cannot find source code for ~p.", [File]),
?EXIT({cant_find_source_code});
{Source, CompOpts} ->
CoreOpts = [X || X = {core_transform, _} <- Opts],
- %%io:format("Using: ~w\n", [CoreOpts]),
+ %% io:format("Using: ~w\n", [CoreOpts]),
case compile:file(Source, CoreOpts ++ [to_core, binary|CompOpts]) of
{ok, _, Core} ->
compile_core(Name, Core, File, Opts);
Error ->
- ?error_msg("Error compiling ~p:\n~p.",[File, Error]),
+ ?error_msg("Error compiling ~p:\n~p.", [File, Error]),
?EXIT({cant_compile_source_code})
end
end;
@@ -469,7 +470,7 @@ compile(Name, File, Opts0) when is_atom(Name) ->
{ok, _, Core} ->
compile_core(Name, Core, File, Opts);
Error ->
- ?error_msg("Error compiling ~p:\n~p\n",[Source, Error]),
+ ?error_msg("Error compiling ~p:\n~p\n", [Source, Error]),
?EXIT({cant_compile_source_code, Error})
end;
Other when Other =:= false; Other =:= undefined ->
@@ -572,8 +573,7 @@ file(File, Options) when is_atom(File) ->
disasm(File) ->
case beam_disasm:file(File) of
#beam_file{labeled_exports = LabeledExports,
- compile_info = CompInfo,
- code = BeamCode} ->
+ compile_info = CompInfo, code = BeamCode} ->
CompOpts = proplists:get_value(options, CompInfo, []),
HCompOpts = case lists:keyfind(hipe, 1, CompOpts) of
{hipe, L} when is_list(L) -> L;
@@ -596,16 +596,16 @@ fix_beam_exports([], Exports) ->
Exports.
get_beam_icode(Mod, {BeamCode, Exports}, File, Options) ->
- ?option_time({ok, Icode} =
- (catch {ok, hipe_beam_to_icode:module(BeamCode, Options)}),
- "BEAM-to-Icode", Options),
+ {ok, Icode} =
+ ?option_time((catch {ok, hipe_beam_to_icode:module(BeamCode, Options)}),
+ "BEAM-to-Icode", Options),
BeamBin = get_beam_code(File),
{{Mod, Exports, Icode}, BeamBin}.
get_core_icode(Mod, Core, File, Options) ->
- ?option_time({ok, Icode} =
- (catch {ok, cerl_to_icode:module(Core, Options)}),
- "BEAM-to-Icode", Options),
+ {ok, Icode} =
+ ?option_time((catch {ok, cerl_to_icode:module(Core, Options)}),
+ "BEAM-to-Icode", Options),
NeedBeamCode = not proplists:get_bool(load, Options),
BeamBin =
case NeedBeamCode of
@@ -618,7 +618,7 @@ get_core_icode(Mod, Core, File, Options) ->
get_beam_code(Bin) when is_binary(Bin) -> Bin;
get_beam_code(FileName) ->
case erl_prim_loader:get_file(FileName) of
- {ok,Bin,_} ->
+ {ok, Bin, _} ->
Bin;
error ->
?EXIT(no_beam_file)
@@ -1165,6 +1165,9 @@ option_text(caller_save_spill_restore) ->
"Activates caller save register spills and restores";
option_text(debug) ->
"Outputs internal debugging information during compilation";
+option_text(icode_call_elim) ->
+ "Performs call elimination of BIFs that are side-effect free\n" ++
+ "only on some argument types";
option_text(icode_range) ->
"Performs integer range analysis on the Icode level";
option_text(icode_ssa_check) ->
@@ -1318,6 +1321,7 @@ opt_keys() ->
get_called_modules,
split_arith,
split_arith_unsafe,
+ icode_call_elim,
icode_inline_bifs,
icode_ssa_check,
icode_ssa_copy_prop,
@@ -1399,7 +1403,7 @@ o1_opts(TargetArch) ->
o2_opts(TargetArch) ->
Common = [icode_ssa_const_prop, icode_ssa_copy_prop, % icode_ssa_struct_reuse,
- icode_type, icode_inline_bifs, rtl_lcm,
+ icode_type, icode_inline_bifs, icode_call_elim, rtl_lcm,
rtl_ssa, rtl_ssa_const_prop,
spillmin_color, use_indexing, remove_comments,
concurrent_comp, binary_opt | o1_opts(TargetArch)],
@@ -1429,6 +1433,7 @@ opt_negations() ->
{no_icode_inline_bifs, icode_inline_bifs},
{no_icode_range, icode_range},
{no_icode_split_arith, icode_split_arith},
+ {no_icode_call_elim, icode_call_elim},
{no_icode_ssa_check, icode_ssa_check},
{no_icode_ssa_copy_prop, icode_ssa_copy_prop},
{no_icode_ssa_const_prop, icode_ssa_const_prop},
@@ -1479,18 +1484,25 @@ opt_expansions(TargetArch) ->
[{o1, o1_opts(TargetArch)},
{o2, o2_opts(TargetArch)},
{o3, o3_opts(TargetArch)},
- {to_llvm, llvm_opts(o3)},
- {{to_llvm, o0}, llvm_opts(o0)},
- {{to_llvm, o1}, llvm_opts(o1)},
- {{to_llvm, o2}, llvm_opts(o2)},
- {{to_llvm, o3}, llvm_opts(o3)},
+ {to_llvm, llvm_opts(o3, TargetArch)},
+ {{to_llvm, o0}, llvm_opts(o0, TargetArch)},
+ {{to_llvm, o1}, llvm_opts(o1, TargetArch)},
+ {{to_llvm, o2}, llvm_opts(o2, TargetArch)},
+ {{to_llvm, o3}, llvm_opts(o3, TargetArch)},
{x87, [x87, inline_fp]},
{inline_fp, case TargetArch of %% XXX: Temporary until x86 has sse2
x86 -> [x87, inline_fp];
_ -> [inline_fp] end}].
-llvm_opts(O) ->
- [to_llvm, {llvm_opt, O}, {llvm_llc, O}].
+llvm_opts(O, TargetArch) ->
+ Base = [to_llvm, {llvm_opt, O}, {llvm_llc, O}],
+ case TargetArch of
+ %% A llvm bug present in 3.4 through (at least) 3.8 miscompiles x86
+ %% functions that have floats are spilled to stack by clobbering the process
+ %% pointer (ebp) trying to realign the stack pointer.
+ x86 -> [no_inline_fp | Base];
+ _ -> Base
+ end.
%% This expands "basic" options, which may be tested early and cannot be
%% in conflict with options found in the source code.
@@ -1520,7 +1532,8 @@ expand_options(Opts, TargetArch) ->
proplists:normalize(Opts, [{negations, opt_negations()},
{aliases, opt_aliases()},
{expand, opt_basic_expansions()},
- {expand, opt_expansions(TargetArch)}]).
+ {expand, opt_expansions(TargetArch)},
+ {negations, opt_negations()}]).
-spec check_options(comp_options()) -> 'ok'.
@@ -1538,18 +1551,27 @@ check_options(Opts) ->
-spec llvm_support_available() -> boolean().
llvm_support_available() ->
- get_llvm_version() >= 3.4.
+ get_llvm_version() >= {3,4}.
+
+-type llvm_version() :: {Major :: integer(), Minor :: integer()}.
+-spec get_llvm_version() -> llvm_version() | {0, 0}.
get_llvm_version() ->
OptStr = os:cmd("opt -version"),
SubStr = "LLVM version ", N = length(SubStr),
case string:str(OptStr, SubStr) of
0 -> % No opt available
- 0.0;
+ {0, 0};
S ->
- case string:to_float(string:sub_string(OptStr, S + N)) of
- {error, _} -> 0.0; %XXX: Assumes no revision numbers in versioning
- {Float, _} -> Float
+ case string:tokens(string:sub_string(OptStr, S + N), ".") of
+ [MajorS, MinorS | _] ->
+ case {string:to_integer(MajorS), string:to_integer(MinorS)} of
+ {{Major, ""}, {Minor, _}}
+ when is_integer(Major), is_integer(Minor) ->
+ {Major, Minor};
+ _ -> {0, 0}
+ end;
+ _ -> {0, 0} %XXX: Assumes no revision numbers in versioning
end
end.
diff --git a/lib/hipe/main/hipe.hrl.src b/lib/hipe/main/hipe.hrl.src
index 3be824ac34..53b59f88f0 100644
--- a/lib/hipe/main/hipe.hrl.src
+++ b/lib/hipe/main/hipe.hrl.src
@@ -152,7 +152,7 @@
STMNT,
?untagged_msg(Msg ++ "~.2f s\n",[hipe_timing:stop_timer(Timer)/1000])).
-else.
--define(TIME_STMNT(STMNT,Msg,Timer),STMNT).
+-define(TIME_STMNT(STMNT,Msg,Timer), STMNT).
-endif.
-define(start_timer(Text), hipe_timing:start(Text, ?MODULE)).
@@ -162,22 +162,24 @@
-define(get_hipe_timer_val(Timer), get(Timer)).
-define(set_hipe_timer_val(Timer, Val), put(Timer, Val)).
-define(option_time(Stmnt, Text, Options),
- if true -> ?when_option(time, Options, ?start_timer(Text)),
- fun(R) ->
- ?when_option(time, Options, ?stop_timer(Text)),
- R
- end(Stmnt)end).
+ begin
+ ?when_option(time, Options, ?start_timer(Text)),
+ fun(R) ->
+ ?when_option(time, Options, ?stop_timer(Text)),
+ R
+ end(Stmnt)
+ end).
--define(option_start_time(Text,Options),
+-define(option_start_time(Text, Options),
?when_option(time, Options, ?start_timer(Text))).
--define(option_stop_time(Text,Options),
+-define(option_stop_time(Text, Options),
?when_option(time, Options, ?stop_timer(Text))).
-define(opt_start_timer(Text),
- hipe_timing:start_optional_timer(Text,?MODULE)).
+ hipe_timing:start_optional_timer(Text, ?MODULE)).
-define(opt_stop_timer(Text),
- hipe_timing:stop_optional_timer(Text,?MODULE)).
+ hipe_timing:stop_optional_timer(Text, ?MODULE)).
%%
%% Turn on instrumentation of the compiler.
@@ -187,15 +189,15 @@
-define(count_pre_ra_instructions(Options, NoInstrs),
?when_option(count_instrs, Options,
put(pre_ra_instrs,
- get(pre_ra_instrs)+ NoInstrs))).
+ get(pre_ra_instrs) + NoInstrs))).
-define(count_post_ra_instructions(Options, NoInstrs),
?when_option(count_instrs, Options,
put(post_ra_instrs,
- get(post_ra_instrs)+ NoInstrs))).
+ get(post_ra_instrs) + NoInstrs))).
-define(start_time_regalloc(Options),
?when_option(timeregalloc, Options,
- put(regalloctime1,erlang:statistics(runtime)))).
+ put(regalloctime1, erlang:statistics(runtime)))).
-define(stop_time_regalloc(Options),
?when_option(timeregalloc, Options,
put(regalloctime,
@@ -215,11 +217,11 @@
-define(count_pre_ra_temps(Options, NoTemps),
?when_option(count_temps, Options,
put(pre_ra_temps,
- get(pre_ra_temps)+ NoTemps))).
+ get(pre_ra_temps) + NoTemps))).
-define(count_post_ra_temps(Options, NoTemps),
?when_option(count_temps, Options,
put(post_ra_temps,
- get(post_ra_temps)+ NoTemps))).
+ get(post_ra_temps) + NoTemps))).
-define(inc_counter(Counter, Val),
case get(Counter) of
@@ -255,7 +257,7 @@
?count_post_ra_instructions(Options, NoInstrs),
?cons_counter(counter_mem_temps, get(counter_mfa_mem_temps)),
?cons_counter(ra_all_iterations_counter, get(ra_iteration_counter)),
- put(ra_iteration_counter,0),
+ put(ra_iteration_counter, 0),
?count_post_ra_temps(Options, NoTemps)
end).
@@ -264,12 +266,12 @@
put(spilledtemps, get(spilledtemps) + NoSpills))).
-define(optional_start_timer(Timer, Options),
- case lists:member(Timer, proplists:get_value(timers,Options++[{timers,[]}])) of
+ case lists:member(Timer, proplists:get_value(timers, Options++[{timers,[]}])) of
true -> ?start_hipe_timer(Timer);
false -> true
end).
-define(optional_stop_timer(Timer, Options),
- case lists:member(Timer, proplists:get_value(timers,Options++[{timers,[]}])) of
+ case lists:member(Timer, proplists:get_value(timers, Options++[{timers,[]}])) of
true -> ?stop_hipe_timer(Timer);
false -> true
end).
@@ -316,4 +318,4 @@
'unknown' | {'reg' | 'fp_reg' | 'spill',
non_neg_integer()}}].
-type hipe_temp_map() :: tuple().
--type hipe_spill_map() :: [{non_neg_integer(), {'spill',non_neg_integer()}}].
+-type hipe_spill_map() :: [{non_neg_integer(), {'spill', non_neg_integer()}}].
diff --git a/lib/hipe/main/hipe_main.erl b/lib/hipe/main/hipe_main.erl
index be5050e155..4b89feb48a 100644
--- a/lib/hipe/main/hipe_main.erl
+++ b/lib/hipe/main/hipe_main.erl
@@ -284,8 +284,9 @@ icode_ssa_type(IcodeSSA, MFA, Options, Servers) ->
false -> AnnIcode1
end,
AnnIcode3 = icode_range_analysis(AnnIcode2, MFA, Options, Servers),
- pp(AnnIcode3, MFA, icode, pp_range_icode, Options, Servers),
- hipe_icode_type:unannotate_cfg(AnnIcode3)
+ AnnIcode4 = icode_eliminate_safe_calls(AnnIcode3, Options),
+ pp(AnnIcode4, MFA, icode, pp_range_icode, Options, Servers),
+ hipe_icode_type:unannotate_cfg(AnnIcode4)
end.
icode_ssa_convert(IcodeCfg, Options) ->
@@ -295,7 +296,7 @@ icode_ssa_convert(IcodeCfg, Options) ->
icode_ssa_const_prop(IcodeSSA, Options) ->
case proplists:get_bool(icode_ssa_const_prop, Options) of
true ->
- ?option_time(Tmp=hipe_icode_ssa_const_prop:propagate(IcodeSSA),
+ Tmp = ?option_time(hipe_icode_ssa_const_prop:propagate(IcodeSSA),
"Icode SSA sparse conditional constant propagation", Options),
?option_time(hipe_icode_ssa:remove_dead_code(Tmp),
"Icode SSA dead code elimination pass 1", Options);
@@ -334,6 +335,15 @@ icode_range_analysis(IcodeSSA, MFA, Options, Servers) ->
IcodeSSA
end.
+icode_eliminate_safe_calls(IcodeSSA, Options) ->
+ case proplists:get_bool(icode_call_elim, Options) of
+ true ->
+ ?option_time(hipe_icode_call_elim:cfg(IcodeSSA),
+ "Icode SSA safe call elimination", Options);
+ false ->
+ IcodeSSA
+ end.
+
icode_ssa_dead_code_elimination(IcodeSSA, Options) ->
IcodeSSA1 = ?option_time(hipe_icode_ssa:remove_dead_code(IcodeSSA),
"Icode SSA dead code elimination pass 2",
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 08:40:25 +0000