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authorSverker Eriksson <[email protected]>2016-09-30 19:34:45 +0200
committerSverker Eriksson <[email protected]>2016-10-14 14:29:16 +0200
commit6ce2fbadd41b657820276856299911470fb0a706 (patch)
treee2b82426700f3b164017eb7a200196e6e805884b /lib/hipe/llvm
parentcb987678ff56142029758e0e84fa97fa90003b4a (diff)
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hipe: TRY fix llvm external calls to own module
to not be transformed to local calls. code_SUITE:uprade still fails if run with compile option {hipe,to_llvm}
Diffstat (limited to 'lib/hipe/llvm')
-rw-r--r--lib/hipe/llvm/hipe_llvm_main.erl17
-rw-r--r--lib/hipe/llvm/hipe_rtl_to_llvm.erl29
2 files changed, 24 insertions, 22 deletions
diff --git a/lib/hipe/llvm/hipe_llvm_main.erl b/lib/hipe/llvm/hipe_llvm_main.erl
index 476d6fb49c..164ccf20ef 100644
--- a/lib/hipe/llvm/hipe_llvm_main.erl
+++ b/lib/hipe/llvm/hipe_llvm_main.erl
@@ -257,15 +257,11 @@ fix_relocations(Relocs, RelocsDict, MFA) ->
fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=undefined, type=notype},
offset=Offset, type=?PCREL_T, addend=?PCREL_A},
- RelocsDict, {ModName,_,_}) when Name =/= "" ->
+ RelocsDict, {_,_,_}) when Name =/= "" ->
case dict:fetch(Name, RelocsDict) of
- {call, {bif, BifName, _}} -> {?CALL_LOCAL, Offset, BifName};
- %% MFA calls to functions in the same module are of type 3, while all
- %% other MFA calls are of type 2.
- %% XXX: Does this code break hot code loading (by transforming external
- %% calls into local calls?)
- {call, {ModName,_F,_A}=CallMFA} -> {?CALL_LOCAL, Offset, CallMFA};
- {call, CallMFA} -> {?CALL_REMOTE, Offset, CallMFA}
+ {call, _, {bif, BifName, _}} -> {?CALL_LOCAL, Offset, BifName};
+ {call, not_remote, CallMFA} -> {?CALL_LOCAL, Offset, CallMFA};
+ {call, remote, CallMFA} -> {?CALL_REMOTE, Offset, CallMFA}
end;
fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=undefined, type=notype},
offset=Offset, type=?ABS_T, addend=?ABS_A},
@@ -280,7 +276,8 @@ fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=#elf_shdr{name=?TEXT},
offset=Offset, type=?PCREL_T, addend=?PCREL_A},
RelocsDict, MFA) when Name =/= "" ->
case dict:fetch(Name, RelocsDict) of
- {call, MFA} -> {?CALL_LOCAL, Offset, MFA}
+ {call, not_remote, MFA} -> {?CALL_LOCAL, Offset, MFA};
+ {call, remote, MFA} -> {?CALL_REMOTE, Offset, MFA}
end;
fix_reloc(#elf_rel{symbol=#elf_sym{name=Name, section=#elf_shdr{name=?RODATA},
type=object},
@@ -408,7 +405,7 @@ calls_with_stack_args(Dict) ->
calls_with_stack_args(dict:to_list(Dict), []).
calls_with_stack_args([], Calls) -> Calls;
-calls_with_stack_args([ {_Name, {call, {M, F, A}}} | Rest], Calls)
+calls_with_stack_args([ {_Name, {call, _, {M, F, A}}} | Rest], Calls)
when A > ?NR_ARG_REGS ->
Call =
case M of
diff --git a/lib/hipe/llvm/hipe_rtl_to_llvm.erl b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
index 66b2e10fb8..55ab6a3db1 100644
--- a/lib/hipe/llvm/hipe_rtl_to_llvm.erl
+++ b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
@@ -257,7 +257,7 @@ trans_alub_overflow(I, Sign, Relocs) ->
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(?WORD_WIDTH),
ReturnType = hipe_llvm:mk_struct([WordTy, hipe_llvm:mk_int(1)]),
T1 = mk_temp(),
@@ -364,7 +364,7 @@ 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(?WORD_WIDTH),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
@@ -430,17 +430,21 @@ 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}),
+ ok = case RtlCallType of
+ not_remote -> ok;
+ remote -> ok
+ end,
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
@@ -501,7 +505,7 @@ 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(?WORD_WIDTH),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
@@ -1457,9 +1461,9 @@ 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, 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])
@@ -1477,9 +1481,10 @@ 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);
@@ -1554,13 +1559,13 @@ 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, _, 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(?WORD_WIDTH),