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-rw-r--r--lib/hipe/llvm/Makefile5
-rw-r--r--lib/hipe/llvm/hipe_llvm.erl52
-rw-r--r--lib/hipe/llvm/hipe_rtl_to_llvm.erl22
3 files changed, 50 insertions, 29 deletions
diff --git a/lib/hipe/llvm/Makefile b/lib/hipe/llvm/Makefile
index 25b47a580f..88016a7d8b 100644
--- a/lib/hipe/llvm/Makefile
+++ b/lib/hipe/llvm/Makefile
@@ -52,8 +52,7 @@ endif
MODULES = $(HIPE_MODULES)
-HRL_FILES= elf_format.hrl elf32_format.hrl elf64_format.hrl \
- hipe_llvm_arch.hrl
+HRL_FILES= elf_format.hrl elf32_format.hrl elf64_format.hrl hipe_llvm_arch.hrl
ERL_FILES= $(MODULES:%=%.erl)
TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
@@ -71,7 +70,7 @@ TARGET_FILES= $(MODULES:%=$(EBIN)/%.$(EMULATOR))
include ../native.mk
-ERL_COMPILE_FLAGS += +inline +warn_export_vars #+warn_missing_spec
+ERL_COMPILE_FLAGS += -Werror +inline +warn_export_vars #+warn_missing_spec
# if in 32 bit backend define BIT32 symbol
ARCH = $(shell echo $(TARGET) | sed 's/^\(x86_64\)-.*/64bit/')
diff --git a/lib/hipe/llvm/hipe_llvm.erl b/lib/hipe/llvm/hipe_llvm.erl
index c2547dd89e..b22f8fb320 100644
--- a/lib/hipe/llvm/hipe_llvm.erl
+++ b/lib/hipe/llvm/hipe_llvm.erl
@@ -199,10 +199,9 @@
adj_stack_register/1,
adj_stack_type/1,
- mk_branch_meta/3,
- branch_meta_id/1,
- branch_meta_true_weight/1,
- branch_meta_false_weight/1
+ mk_meta/2,
+ meta_id/1,
+ meta_operands/1
]).
-export([
@@ -343,8 +342,9 @@
-record(llvm_adj_stack, {offset, 'register', type}).
-type llvm_adj_stack() :: #llvm_adj_stack{}.
--record(llvm_branch_meta, {id, true_weight, false_weight}).
--type llvm_branch_meta() :: #llvm_branch_meta{}.
+-record(llvm_meta, {id :: string(),
+ operands :: [string() | integer() | llvm_meta()]}).
+-type llvm_meta() :: #llvm_meta{}.
%% A type for any LLVM instruction
-type llvm_instr() :: llvm_ret() | llvm_br() | llvm_br_cond()
@@ -357,7 +357,7 @@
| llvm_call() | llvm_fun_def() | llvm_fun_decl()
| llvm_landingpad() | llvm_comment() | llvm_label()
| llvm_const_decl() | llvm_asm() | llvm_adj_stack()
- | llvm_branch_meta().
+ | llvm_meta().
%% Types
-record(llvm_void, {}).
@@ -701,7 +701,7 @@ is_label(#llvm_comment{}) -> false;
is_label(#llvm_const_decl{}) -> false;
is_label(#llvm_asm{}) -> false;
is_label(#llvm_adj_stack{}) -> false;
-is_label(#llvm_branch_meta{}) -> false.
+is_label(#llvm_meta{}) -> false.
%% const_decl
mk_const_decl(Dst, Decl_type, Type, Value) ->
@@ -722,14 +722,11 @@ adj_stack_offset(#llvm_adj_stack{offset=Offset}) -> Offset.
adj_stack_register(#llvm_adj_stack{'register'=Register}) -> Register.
adj_stack_type(#llvm_adj_stack{type=Type}) -> Type.
-%% branch meta-data
-mk_branch_meta(Id, True_weight, False_weight) ->
- #llvm_branch_meta{id=Id, true_weight=True_weight, false_weight=False_weight}.
-branch_meta_id(#llvm_branch_meta{id=Id}) -> Id.
-branch_meta_true_weight(#llvm_branch_meta{true_weight=True_weight}) ->
- True_weight.
-branch_meta_false_weight(#llvm_branch_meta{false_weight=False_weight}) ->
- False_weight.
+%% meta-data
+mk_meta(Id, Operands) ->
+ #llvm_meta{id=Id, operands=Operands}.
+meta_id(#llvm_meta{id=Id}) -> Id.
+meta_operands(#llvm_meta{operands=Operands}) -> Operands.
%% types
mk_void() -> #llvm_void{}.
@@ -1013,13 +1010,22 @@ pp_ins(Dev, Ver, I) ->
adj_stack_register(I), "\", \"r\"("]),
pp_type(Dev, adj_stack_type(I)),
write(Dev, [" ", adj_stack_offset(I),")\n"]);
- #llvm_branch_meta{} ->
- write(Dev, ["!", branch_meta_id(I), " = "]),
- if Ver < {3,6} -> write(Dev, "metadata !{metadata ");
- Ver >= {3,6} -> write(Dev, "!{ ")
+ #llvm_meta{} ->
+ write(Dev, ["!", meta_id(I), " = "]),
+ Named = case string:to_integer(meta_id(I)) of
+ {_, ""} -> false;
+ _ -> true
+ end,
+ case Ver < {3,6} andalso not Named of
+ true -> write(Dev, "metadata !{metadata ");
+ false -> write(Dev, "!{ ")
end,
- write(Dev, ["!\"branch_weights\", i32 ", branch_meta_true_weight(I),
- ", i32 ", branch_meta_false_weight(I), "}\n"]);
+ write(Dev, string:join([if is_list(Op) -> ["!\"", Op, "\""];
+ is_integer(Op) -> ["i32 ", integer_to_list(Op)];
+ is_record(Op, llvm_meta) ->
+ ["!", meta_id(Op)]
+ end || Op <- meta_operands(I)], ", ")),
+ write(Dev, " }\n");
Other ->
exit({?MODULE, pp_ins, {"Unknown LLVM instruction", Other}})
end.
@@ -1140,7 +1146,7 @@ indent(I) ->
#llvm_fun_def{} -> false;
#llvm_fun_decl{} -> false;
#llvm_const_decl{} -> false;
- #llvm_branch_meta{} -> false;
+ #llvm_meta{} -> false;
_ -> true
end.
diff --git a/lib/hipe/llvm/hipe_rtl_to_llvm.erl b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
index b23d756d6c..66b2e10fb8 100644
--- a/lib/hipe/llvm/hipe_rtl_to_llvm.erl
+++ b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
@@ -13,6 +13,8 @@
-define(WORD_WIDTH, (?bytes_to_bits(hipe_rtl_arch:word_size()))).
-define(BRANCH_META_TAKEN, "0").
-define(BRANCH_META_NOT_TAKEN, "1").
+-define(FIRST_FREE_META_NO, 2).
+-define(HIPE_LITERALS_META, "hipe.literals").
%%------------------------------------------------------------------------------
%% @doc Main function for translating an RTL function to LLVM Assembly. Takes as
@@ -51,8 +53,9 @@ translate(RTL, Roots) ->
translate_instr_list(Code1, [], Relocs, Data),
%% Create LLVM code to declare relocation symbols as external symbols along
%% with local variables in order to use them as just any other variable
- {FinalRelocs, ExternalDecl, LocalVars} =
+ {FinalRelocs, ExternalDecl0, LocalVars} =
handle_relocations(Relocs1, Data, Fun),
+ ExternalDecl = add_literals_metadata(ExternalDecl0),
%% Pass on LLVM code in order to create Fail blocks and a landingpad
%% instruction to each one
LLVM_Code2 = add_landingpads(LLVM_Code1, FailLabels),
@@ -1458,8 +1461,8 @@ handle_relocations(Relocs, Data, Fun) ->
Relocs4 = dict:store("hipe_bifs.llvm_fix_pinned_regs.0",
{call, {hipe_bifs, llvm_fix_pinned_regs, 0}}, Relocs3),
BranchMetaData = [
- hipe_llvm:mk_branch_meta(?BRANCH_META_TAKEN, "99", "1")
- , hipe_llvm:mk_branch_meta(?BRANCH_META_NOT_TAKEN, "1", "99")
+ hipe_llvm:mk_meta(?BRANCH_META_TAKEN, ["branch_weights", 99, 1])
+ , hipe_llvm:mk_meta(?BRANCH_META_NOT_TAKEN, ["branch_weights", 1, 99])
],
ExternalDeclarations = AtomDecl ++ ClosureDecl ++ ConstDecl ++ FunDecl ++
ClosureLabelDecl ++ SwitchDecl ++ BranchMetaData,
@@ -1612,3 +1615,16 @@ load_constant(Label) ->
const_to_dict(Elem, Dict) ->
Name = "DL" ++ integer_to_list(Elem),
dict:store(Name, {'constant', Elem}, Dict).
+
+%% @doc Export the hipe literals that LLVM needs to generate the prologue as
+%% metadata.
+add_literals_metadata(ExternalDecls) ->
+ Pairs = [hipe_llvm:mk_meta(integer_to_list(?FIRST_FREE_META_NO),
+ ["P_NSP_LIMIT", ?P_NSP_LIMIT])
+ ,hipe_llvm:mk_meta(integer_to_list(?FIRST_FREE_META_NO + 1),
+ ["X86_LEAF_WORDS", ?X86_LEAF_WORDS])
+ ,hipe_llvm:mk_meta(integer_to_list(?FIRST_FREE_META_NO + 2),
+ ["AMD64_LEAF_WORDS", ?AMD64_LEAF_WORDS])
+ ],
+ [hipe_llvm:mk_meta(?HIPE_LITERALS_META, Pairs) |
+ Pairs ++ ExternalDecls].
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 18:30:52 +0000