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-rw-r--r--lib/hipe/llvm/hipe_rtl_to_llvm.erl125
1 files changed, 65 insertions, 60 deletions
diff --git a/lib/hipe/llvm/hipe_rtl_to_llvm.erl b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
index 2179f7f765..79e1bfd381 100644
--- a/lib/hipe/llvm/hipe_rtl_to_llvm.erl
+++ b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
@@ -156,9 +156,6 @@ translate_instr(I, Relocs, Data) ->
#alub{} ->
{I2, Relocs2} = trans_alub(I, Relocs),
{I2, Relocs2, Data};
- #branch{} ->
- {I2, Relocs2} = trans_branch(I, Relocs),
- {I2, Relocs2, Data};
#call{} ->
{I2, Relocs2} =
case hipe_rtl:call_fun(I) of
@@ -255,10 +252,9 @@ trans_alub(I, Relocs) ->
trans_alub_overflow(I, Sign, Relocs) ->
{Src1, I1} = trans_src(hipe_rtl:alub_src1(I)),
{Src2, I2} = trans_src(hipe_rtl:alub_src2(I)),
- RtlDst = hipe_rtl:alub_dst(I),
TmpDst = mk_temp(),
Name = trans_alub_op(I, Sign),
- NewRelocs = relocs_store(Name, {call, {llvm, Name, 2}}, Relocs),
+ NewRelocs = relocs_store(Name, {call, remote, {llvm, Name, 2}}, Relocs),
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
ReturnType = hipe_llvm:mk_struct([WordTy, hipe_llvm:mk_int(1)]),
T1 = mk_temp(),
@@ -266,7 +262,10 @@ trans_alub_overflow(I, Sign, Relocs) ->
[{WordTy, Src1}, {WordTy, Src2}], []),
%% T1{0}: result of the operation
I4 = hipe_llvm:mk_extractvalue(TmpDst, ReturnType, T1 , "0", []),
- I5 = store_stack_dst(TmpDst, RtlDst),
+ I5 = case hipe_rtl:alub_has_dst(I) of
+ false -> [];
+ true -> store_stack_dst(TmpDst, hipe_rtl:alub_dst(I))
+ end,
T2 = mk_temp(),
%% T1{1}: Boolean variable indicating overflow
I6 = hipe_llvm:mk_extractvalue(T2, ReturnType, T1, "1", []),
@@ -311,42 +310,35 @@ trans_alub_op(I, Sign) ->
Name ++ Type.
trans_alub_no_overflow(I, Relocs) ->
+ {Src1, I1} = trans_src(hipe_rtl:alub_src1(I)),
+ {Src2, I2} = trans_src(hipe_rtl:alub_src2(I)),
+ WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
%% alu
- T = hipe_rtl:mk_alu(hipe_rtl:alub_dst(I), hipe_rtl:alub_src1(I),
- hipe_rtl:alub_op(I), hipe_rtl:alub_src2(I)),
- %% A trans_alu instruction cannot change relocations
- {I1, _} = trans_alu(T, Relocs),
+ {CmpLhs, CmpRhs, I5, Cond} =
+ case {hipe_rtl:alub_has_dst(I), hipe_rtl:alub_op(I)} of
+ {false, 'sub'} ->
+ Cond0 = trans_branch_rel_op(hipe_rtl:alub_cond(I)),
+ {Src1, Src2, [], Cond0};
+ {HasDst, AlubOp} ->
+ TmpDst = mk_temp(),
+ Op = trans_op(AlubOp),
+ I3 = hipe_llvm:mk_operation(TmpDst, Op, WordTy, Src1, Src2, []),
+ I4 = case HasDst of
+ false -> [];
+ true -> store_stack_dst(TmpDst, hipe_rtl:alub_dst(I))
+ end,
+ Cond0 = trans_alub_rel_op(hipe_rtl:alub_cond(I)),
+ {TmpDst, "0", [I4, I3], Cond0}
+ end,
%% icmp
- %% Translate destination as src, to match with the semantics of instruction
- {Dst, I2} = trans_src(hipe_rtl:alub_dst(I)),
- Cond = trans_rel_op(hipe_rtl:alub_cond(I)),
T3 = mk_temp(),
- WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
- I5 = hipe_llvm:mk_icmp(T3, Cond, WordTy, Dst, "0"),
+ I6 = hipe_llvm:mk_icmp(T3, Cond, WordTy, CmpLhs, CmpRhs),
%% br
Metadata = branch_metadata(hipe_rtl:alub_pred(I)),
True_label = mk_jump_label(hipe_rtl:alub_true_label(I)),
False_label = mk_jump_label(hipe_rtl:alub_false_label(I)),
- I6 = hipe_llvm:mk_br_cond(T3, True_label, False_label, Metadata),
- {[I6, I5, I2, I1], Relocs}.
-
-%%
-%% branch
-%%
-trans_branch(I, Relocs) ->
- {Src1, I1} = trans_src(hipe_rtl:branch_src1(I)),
- {Src2, I2} = trans_src(hipe_rtl:branch_src2(I)),
- Cond = trans_rel_op(hipe_rtl:branch_cond(I)),
- %% icmp
- T1 = mk_temp(),
- WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
- I3 = hipe_llvm:mk_icmp(T1, Cond, WordTy, Src1, Src2),
- %% br
- True_label = mk_jump_label(hipe_rtl:branch_true_label(I)),
- False_label = mk_jump_label(hipe_rtl:branch_false_label(I)),
- Metadata = branch_metadata(hipe_rtl:branch_pred(I)),
- I4 = hipe_llvm:mk_br_cond(T1, True_label, False_label, Metadata),
- {[I4, I3, I2, I1], Relocs}.
+ I7 = hipe_llvm:mk_br_cond(T3, True_label, False_label, Metadata),
+ {[I7, I6, I5, I2, I1], Relocs}.
branch_metadata(X) when X =:= 0.5 -> [];
branch_metadata(X) when X > 0.5 -> ?BRANCH_META_TAKEN;
@@ -365,7 +357,7 @@ trans_call(I, Relocs) ->
{LoadedFixedRegs, I2} = load_fixed_regs(FixedRegs),
FinalArgs = fix_reg_args(LoadedFixedRegs) ++ CallArgs,
{Name, I3, Relocs2} =
- trans_call_name(RtlCallName, Relocs1, CallArgs, FinalArgs),
+ trans_call_name(RtlCallName, hipe_rtl:call_type(I), Relocs1, CallArgs, FinalArgs),
T1 = mk_temp(),
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
@@ -431,17 +423,17 @@ expose_closure(CallName, CallArgs, Relocs) ->
{[], Relocs}
end.
-trans_call_name(RtlCallName, Relocs, CallArgs, FinalArgs) ->
+trans_call_name(RtlCallName, RtlCallType, Relocs, CallArgs, FinalArgs) ->
case RtlCallName of
PrimOp when is_atom(PrimOp) ->
LlvmName = trans_prim_op(PrimOp),
Relocs1 =
- relocs_store(LlvmName, {call, {bif, PrimOp, length(CallArgs)}}, Relocs),
+ relocs_store(LlvmName, {call, not_remote, {bif, PrimOp, length(CallArgs)}}, Relocs),
{"@" ++ LlvmName, [], Relocs1};
{M, F, A} when is_atom(M), is_atom(F), is_integer(A) ->
- LlvmName = trans_mfa_name({M, F, A}),
+ LlvmName = trans_mfa_name({M, F, A}, RtlCallType),
Relocs1 =
- relocs_store(LlvmName, {call, {M, F, length(CallArgs)}}, Relocs),
+ relocs_store(LlvmName, {call, RtlCallType, {M, F, length(CallArgs)}}, Relocs),
{"@" ++ LlvmName, [], Relocs1};
Reg ->
case hipe_rtl:is_reg(Reg) of
@@ -502,7 +494,7 @@ trans_enter(I, Relocs) ->
{LoadedFixedRegs, I1} = load_fixed_regs(FixedRegs),
FinalArgs = fix_reg_args(LoadedFixedRegs) ++ CallArgs,
{Name, I2, NewRelocs} =
- trans_call_name(hipe_rtl:enter_fun(I), Relocs, CallArgs, FinalArgs),
+ trans_call_name(hipe_rtl:enter_fun(I), hipe_rtl:enter_type(I), Relocs, CallArgs, FinalArgs),
T1 = mk_temp(),
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
@@ -1036,8 +1028,12 @@ llvm_id(C) ->
io_lib:format("_~2.16.0B_",[C]).
%% @doc Create an acceptable LLVM identifier for an MFA.
-trans_mfa_name({M,F,A}) ->
- N = atom_to_list(M) ++ "." ++ atom_to_list(F) ++ "." ++ integer_to_list(A),
+trans_mfa_name({M,F,A}, Linkage) ->
+ N0 = atom_to_list(M) ++ "." ++ atom_to_list(F) ++ "." ++ integer_to_list(A),
+ N = case Linkage of
+ not_remote -> N0;
+ remote -> "rem." ++ N0
+ end,
make_llvm_id(N).
%%------------------------------------------------------------------------------
@@ -1158,7 +1154,7 @@ trans_dst(A) ->
true ->
"%DL" ++ integer_to_list(hipe_rtl:const_label_label(A)) ++ "_var";
false ->
- exit({?MODULE, trans_dst, {"Bad RTL argument",A}})
+ error(badarg, [A])
end
end
end,
@@ -1256,14 +1252,19 @@ trans_op(Op) ->
Other -> exit({?MODULE, trans_op, {"Unknown RTL operator", Other}})
end.
-trans_rel_op(Op) ->
+trans_branch_rel_op(Op) ->
case Op of
- eq -> eq;
- ne -> ne;
gtu -> ugt;
geu -> uge;
ltu -> ult;
leu -> ule;
+ _ -> trans_alub_rel_op(Op)
+ end.
+
+trans_alub_rel_op(Op) ->
+ case Op of
+ eq -> eq;
+ ne -> ne;
gt -> sgt;
ge -> sge;
lt -> slt;
@@ -1296,7 +1297,10 @@ insn_dst(I) ->
#alu{} ->
[hipe_rtl:alu_dst(I)];
#alub{} ->
- [hipe_rtl:alub_dst(I)];
+ case hipe_rtl:alub_has_dst(I) of
+ true -> [hipe_rtl:alub_dst(I)];
+ false -> []
+ end;
#call{} ->
case hipe_rtl:call_dstlist(I) of
[] -> [];
@@ -1339,7 +1343,7 @@ llvm_type_from_size(Size) ->
%% precoloured registers that are passed as arguments must be stored to
%% the corresonding stack slots.
create_function_definition(Fun, Params, Code, LocalVars) ->
- FunctionName = trans_mfa_name(Fun),
+ FunctionName = trans_mfa_name(Fun, not_remote),
FixedRegs = fixed_registers(),
%% Reverse parameters to match with the Erlang calling convention
ReversedParams =
@@ -1360,7 +1364,7 @@ create_function_definition(Fun, Params, Code, LocalVars) ->
EntryBlock =
lists:flatten([EntryLabel, ExceptionSync, I2, LocalVars, StoredParams, I3]),
Final_Code = EntryBlock ++ Code,
- FunctionOptions = [nounwind, noredzone, list_to_atom("gc \"erlang\"")],
+ FunctionOptions = [nounwind, noredzone, 'gc "erlang"'],
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
hipe_llvm:mk_fun_def([], [], "cc 11", [], FunRetTy, FunctionName, Args,
@@ -1427,7 +1431,7 @@ relocs_to_list(Relocs) ->
%% constants/labels.
handle_relocations(Relocs, Data, Fun) ->
RelocsList = relocs_to_list(Relocs),
- %% Seperate Relocations according to their type
+ %% Separate Relocations according to their type
{CallList, AtomList, ClosureList, ClosureLabels, SwitchList} =
seperate_relocs(RelocsList),
%% Create code to declare atoms
@@ -1458,9 +1462,9 @@ handle_relocations(Relocs, Data, Fun) ->
Relocs2 = lists:foldl(fun const_to_dict/2, Relocs1, ConstLabels),
%% Temporary Store inc_stack and llvm_fix_pinned_regs to Dictionary
%% TODO: Remove this
- Relocs3 = dict:store("inc_stack_0", {call, {bif, inc_stack_0, 0}}, Relocs2),
+ Relocs3 = dict:store("inc_stack_0", {call, not_remote, {bif, inc_stack_0, 0}}, Relocs2),
Relocs4 = dict:store("hipe_bifs.llvm_fix_pinned_regs.0",
- {call, {hipe_bifs, llvm_fix_pinned_regs, 0}}, Relocs3),
+ {call, remote, {hipe_bifs, llvm_fix_pinned_regs, 0}}, Relocs3),
BranchMetaData = [
hipe_llvm:mk_meta(?BRANCH_META_TAKEN, ["branch_weights", 99, 1])
, hipe_llvm:mk_meta(?BRANCH_META_NOT_TAKEN, ["branch_weights", 1, 99])
@@ -1470,7 +1474,7 @@ handle_relocations(Relocs, Data, Fun) ->
LocalVariables = AtomLoad ++ ClosureLoad ++ ConstLoad,
{Relocs4, ExternalDeclarations, LocalVariables}.
-%% @doc Seperate relocations according to their type.
+%% @doc Separate relocations according to their type.
seperate_relocs(Relocs) ->
seperate_relocs(Relocs, [], [], [], [], []).
@@ -1478,9 +1482,10 @@ seperate_relocs([], CallAcc, AtomAcc, ClosureAcc, LabelAcc, JmpTableAcc) ->
{CallAcc, AtomAcc, ClosureAcc, LabelAcc, JmpTableAcc};
seperate_relocs([R|Rs], CallAcc, AtomAcc, ClosureAcc, LabelAcc, JmpTableAcc) ->
case R of
- {_, {call, _}} ->
+ {_, {call, _, _}} ->
seperate_relocs(Rs, [R | CallAcc], AtomAcc, ClosureAcc, LabelAcc,
JmpTableAcc);
+
{_, {atom, _}} ->
seperate_relocs(Rs, CallAcc, [R | AtomAcc], ClosureAcc, LabelAcc,
JmpTableAcc);
@@ -1525,7 +1530,7 @@ load_closure({ClosureName, _})->
%% @doc Declaration of a local variable for a switch jump table.
declare_switches(JumpTableList, Fun) ->
- FunName = trans_mfa_name(Fun),
+ FunName = trans_mfa_name(Fun, not_remote),
[declare_switch_table(X, FunName) || X <- JumpTableList].
declare_switch_table({Name, {switch, {TableType, Labels, _, _}, _}}, FunName) ->
@@ -1541,7 +1546,7 @@ declare_switch_table({Name, {switch, {TableType, Labels, _, _}, _}}, FunName) ->
declare_closure_labels([], Relocs, _Fun) ->
{[], Relocs};
declare_closure_labels(ClosureLabels, Relocs, Fun) ->
- FunName = trans_mfa_name(Fun),
+ FunName = trans_mfa_name(Fun, not_remote),
{LabelList, ArityList} =
lists:unzip([{mk_jump_label(Label), A} ||
{_, {closure_label, Label, A}} <- ClosureLabels]),
@@ -1557,13 +1562,13 @@ declare_closure_labels(ClosureLabels, Relocs, Fun) ->
hipe_llvm:mk_const_decl("@table_closures", "constant", TableType, List4),
{[ConstDecl], Relocs1}.
-%% @doc A call is treated as non external only in a case of a recursive
+%% @doc A call is treated as non external only in a case of a local recursive
%% function.
-is_external_call({_, {call, Fun}}, Fun) -> false;
+is_external_call({_, {call, not_remote, MFA}}, MFA) -> false;
is_external_call(_, _) -> true.
%% @doc External declaration of a function.
-call_to_decl({Name, {call, MFA}}) ->
+call_to_decl({Name, {call, _, MFA}}) ->
{M, _F, A} = MFA,
CConv = "cc 11",
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),