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-rw-r--r--lib/hipe/llvm/hipe_llvm.erl98
1 files changed, 65 insertions, 33 deletions
diff --git a/lib/hipe/llvm/hipe_llvm.erl b/lib/hipe/llvm/hipe_llvm.erl
index 5e33731a2b..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([
@@ -234,7 +233,7 @@
function_arg_type_list/1
]).
--export([pp_ins_list/2, pp_ins/2]).
+-export([pp_ins_list/3, pp_ins/3]).
%%-----------------------------------------------------------------------------
@@ -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{}.
@@ -765,13 +762,17 @@ function_arg_type_list(#llvm_fun{arg_type_list=Arg_type_list}) ->
%% Pretty-printer Functions
%%----------------------------------------------------------------------------
-%% @doc Pretty-print a list of LLVM instructions to a Device.
-pp_ins_list(_Dev, []) -> ok;
-pp_ins_list(Dev, [I|Is]) ->
- pp_ins(Dev, I),
- pp_ins_list(Dev, Is).
+-type llvm_version() :: {Major :: integer(), Minor :: integer()}.
-pp_ins(Dev, I) ->
+%% @doc Pretty-print a list of LLVM instructions to a Device, using syntax
+%% compatible with LLVM v. Major.Minor
+-spec pp_ins_list(file:io_device(), llvm_version(), [llvm_instr()]) -> ok.
+pp_ins_list(_Dev, _Ver, []) -> ok;
+pp_ins_list(Dev, Ver={_,_}, [I|Is]) ->
+ pp_ins(Dev, Ver, I),
+ pp_ins_list(Dev, Ver, Is).
+
+pp_ins(Dev, Ver, I) ->
case indent(I) of
true -> write(Dev, " ");
false -> ok
@@ -861,7 +862,7 @@ pp_ins(Dev, I) ->
true -> write(Dev, "volatile ");
false -> ok
end,
- pp_type(Dev, load_p_type(I)),
+ pp_dereference_type(Dev, Ver, load_p_type(I)),
write(Dev, [" ", load_pointer(I), " "]),
case load_alignment(I) of
[] -> ok;
@@ -897,7 +898,7 @@ pp_ins(Dev, I) ->
true -> write(Dev, "inbounds ");
false -> ok
end,
- pp_type(Dev, getelementptr_p_type(I)),
+ pp_dereference_type(Dev, Ver, getelementptr_p_type(I)),
write(Dev, [" ", getelementptr_value(I)]),
pp_typed_idxs(Dev, getelementptr_typed_idxs(I)),
write(Dev, "\n");
@@ -958,12 +959,16 @@ pp_ins(Dev, I) ->
pp_args(Dev, fun_def_arglist(I)),
write(Dev, ") "),
pp_options(Dev, fun_def_fn_attrs(I)),
+ case Ver >= {3,7} of false -> ok; true ->
+ write(Dev, "personality i32 (i32, i64, i8*,i8*)* "
+ "@__gcc_personality_v0 ")
+ end,
case fun_def_align(I) of
[] -> ok;
N -> write(Dev, ["align ", N])
end,
write(Dev, "{\n"),
- pp_ins_list(Dev, fun_def_body(I)),
+ pp_ins_list(Dev, Ver, fun_def_body(I)),
write(Dev, "}\n");
#llvm_fun_decl{} ->
write(Dev, "declare "),
@@ -992,8 +997,12 @@ pp_ins(Dev, I) ->
pp_type(Dev, const_decl_type(I)),
write(Dev, [" ", const_decl_value(I), "\n"]);
#llvm_landingpad{} ->
- write(Dev, "landingpad { i8*, i32 } personality i32 (i32, i64, i8*,i8*)*
- @__gcc_personality_v0 cleanup\n");
+ write(Dev, "landingpad { i8*, i32 } "),
+ case Ver < {3,7} of false -> ok; true ->
+ write(Dev, "personality i32 (i32, i64, i8*,i8*)* "
+ "@__gcc_personality_v0 ")
+ end,
+ write(Dev, "cleanup\n");
#llvm_asm{} ->
write(Dev, [asm_instruction(I), "\n"]);
#llvm_adj_stack{} ->
@@ -1001,14 +1010,37 @@ pp_ins(Dev, 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), " = metadata !{metadata !\"branch_weights\",
- i32 ", branch_meta_true_weight(I), ", i32 ",
- branch_meta_false_weight(I), "}\n"]);
+ #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, 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.
+%% @doc Print the type of a dereference in an LLVM instruction using syntax
+%% parsable by the specified LLVM version.
+pp_dereference_type(Dev, Ver, Type) ->
+ case Ver >= {3,7} of
+ false -> ok;
+ true ->
+ pp_type(Dev, pointer_type(Type)),
+ write(Dev, ", ")
+ end,
+ pp_type(Dev, Type).
+
%% @doc Pretty-print a list of types
pp_type_list(_Dev, []) -> ok;
pp_type_list(Dev, [T]) ->
@@ -1114,7 +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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:10:52 +0000