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Boxiang Sun
Pyston
Commits
37b5d25f
Commit
37b5d25f
authored
Dec 14, 2015
by
Kevin Modzelewski
Browse files
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Plain Diff
xxx wip
parent
43344454
Changes
5
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Side-by-side
Showing
5 changed files
with
171 additions
and
70 deletions
+171
-70
src/asm_writing/rewriter.cpp
src/asm_writing/rewriter.cpp
+26
-0
src/asm_writing/rewriter.h
src/asm_writing/rewriter.h
+72
-4
src/codegen/ast_interpreter.cpp
src/codegen/ast_interpreter.cpp
+19
-21
src/codegen/baseline_jit.cpp
src/codegen/baseline_jit.cpp
+19
-16
src/runtime/objmodel.cpp
src/runtime/objmodel.cpp
+35
-29
No files found.
src/asm_writing/rewriter.cpp
View file @
37b5d25f
...
...
@@ -270,6 +270,8 @@ void Rewriter::assertArgsInPlace() {
void
RewriterVar
::
addGuard
(
uint64_t
val
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
if
(
isConstant
())
{
RELEASE_ASSERT
(
constant_value
==
val
,
"added guard which is always false"
);
return
;
...
...
@@ -323,6 +325,8 @@ void Rewriter::_addGuard(RewriterVar* var, RewriterVar* val_constant) {
void
RewriterVar
::
addGuardNotEq
(
uint64_t
val
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
RewriterVar
*
val_var
=
rewriter
->
loadConst
(
val
);
rewriter
->
addAction
([
=
]()
{
rewriter
->
_addGuardNotEq
(
this
,
val_var
);
},
{
this
,
val_var
},
ActionType
::
GUARD
);
}
...
...
@@ -354,6 +358,8 @@ void Rewriter::_addGuardNotEq(RewriterVar* var, RewriterVar* val_constant) {
void
RewriterVar
::
addAttrGuard
(
int
offset
,
uint64_t
val
,
bool
negate
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
if
(
!
attr_guards
.
insert
(
std
::
make_tuple
(
offset
,
val
,
negate
)).
second
)
return
;
// duplicate guard detected
...
...
@@ -405,6 +411,8 @@ void Rewriter::_addAttrGuard(RewriterVar* var, int offset, RewriterVar* val_cons
RewriterVar
*
RewriterVar
::
getAttr
(
int
offset
,
Location
dest
,
assembler
::
MovType
type
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
RewriterVar
*
result
=
rewriter
->
createNewVar
();
rewriter
->
addAction
([
=
]()
{
rewriter
->
_getAttr
(
result
,
this
,
offset
,
dest
,
type
);
},
{
this
},
ActionType
::
NORMAL
);
return
result
;
...
...
@@ -434,6 +442,8 @@ void Rewriter::_getAttr(RewriterVar* result, RewriterVar* ptr, int offset, Locat
RewriterVar
*
RewriterVar
::
getAttrDouble
(
int
offset
,
Location
dest
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
RewriterVar
*
result
=
rewriter
->
createNewVar
();
rewriter
->
addAction
([
=
]()
{
rewriter
->
_getAttrDouble
(
result
,
this
,
offset
,
dest
);
},
{
this
},
ActionType
::
NORMAL
);
return
result
;
...
...
@@ -456,6 +466,8 @@ void Rewriter::_getAttrDouble(RewriterVar* result, RewriterVar* ptr, int offset,
RewriterVar
*
RewriterVar
::
getAttrFloat
(
int
offset
,
Location
dest
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
||
this
->
vrefcount
>
0
);
RewriterVar
*
result
=
rewriter
->
createNewVar
();
rewriter
->
addAction
([
=
]()
{
rewriter
->
_getAttrFloat
(
result
,
this
,
offset
,
dest
);
},
{
this
},
ActionType
::
NORMAL
);
return
result
;
...
...
@@ -637,6 +649,9 @@ void Rewriter::_toBool(RewriterVar* result, RewriterVar* var, Location dest) {
void
RewriterVar
::
setAttr
(
int
offset
,
RewriterVar
*
val
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
for
(
auto
a
:
{
this
,
val
})
assert
(
a
->
reftype
==
RefType
::
UNKNOWN
||
a
->
vrefcount
>
0
);
rewriter
->
addAction
([
=
]()
{
rewriter
->
_setAttr
(
this
,
offset
,
val
);
},
{
this
,
val
},
ActionType
::
MUTATION
);
}
...
...
@@ -673,6 +688,8 @@ void RewriterVar::dump() {
printf
(
"RewriterVar at %p: %ld locations:
\n
"
,
this
,
locations
.
size
());
for
(
Location
l
:
locations
)
l
.
dump
();
if
(
is_constant
)
printf
(
"Constant value: 0x%lx
\n
"
,
this
->
constant_value
);
}
assembler
::
Immediate
RewriterVar
::
tryGetAsImmediate
(
bool
*
is_immediate
)
{
...
...
@@ -908,6 +925,9 @@ static const Location caller_save_registers[]{
RewriterVar
*
Rewriter
::
call
(
bool
has_side_effects
,
void
*
func_addr
,
const
RewriterVar
::
SmallVector
&
args
,
const
RewriterVar
::
SmallVector
&
args_xmm
)
{
for
(
auto
a
:
args
)
assert
(
a
->
reftype
==
RefType
::
UNKNOWN
||
a
->
vrefcount
>
0
);
RewriterVar
*
result
=
createNewVar
();
RewriterVar
::
SmallVector
uses
;
for
(
RewriterVar
*
v
:
args
)
{
...
...
@@ -1255,6 +1275,10 @@ void Rewriter::commit() {
}
}
for
(
RewriterVar
&
var
:
vars
)
{
assert
(
var
.
vrefcount
==
0
);
}
assertConsistent
();
// Emit assembly for each action, and set done_guarding when
...
...
@@ -1481,6 +1505,8 @@ bool Rewriter::finishAssembly(int continue_offset) {
void
Rewriter
::
commitReturning
(
RewriterVar
*
var
)
{
STAT_TIMER
(
t0
,
"us_timer_rewriter"
,
10
);
assert
(
var
->
vrefcount
==
0
);
addAction
([
=
]()
{
assembler
->
comment
(
"commitReturning"
);
var
->
getInReg
(
getReturnDestination
(),
true
/* allow_constant_in_reg */
);
...
...
src/asm_writing/rewriter.h
View file @
37b5d25f
...
...
@@ -200,6 +200,12 @@ class Rewriter;
class
RewriterVar
;
class
RewriterAction
;
enum
class
RefType
{
UNKNOWN
,
OWNED
,
BORROWED
,
};
// This might make more sense as an inner class of Rewriter, but
// you can't forward-declare that :/
class
RewriterVar
{
...
...
@@ -216,9 +222,53 @@ public:
void
setAttr
(
int
offset
,
RewriterVar
*
other
);
RewriterVar
*
cmp
(
AST_TYPE
::
AST_TYPE
cmp_type
,
RewriterVar
*
other
,
Location
loc
=
Location
::
any
());
RewriterVar
*
toBool
(
Location
loc
=
Location
::
any
());
void
incref
();
void
decref
();
void
xdecref
();
RewriterVar
*
setType
(
RefType
type
)
{
assert
(
this
->
reftype
==
RefType
::
UNKNOWN
);
assert
(
type
!=
RefType
::
UNKNOWN
);
this
->
reftype
=
type
;
this
->
vrefcount
=
1
;
return
this
;
}
RewriterVar
*
asBorrowed
()
{
if
(
this
->
reftype
==
RefType
::
UNKNOWN
)
return
setType
(
RefType
::
BORROWED
);
assert
(
this
->
reftype
==
RefType
::
BORROWED
);
return
this
->
incvref
();
}
RewriterVar
*
incvref
()
{
assert
(
reftype
==
RefType
::
OWNED
||
reftype
==
RefType
::
BORROWED
);
assert
(
vrefcount
>
0
||
(
reftype
==
RefType
::
BORROWED
&&
vrefcount
>=
0
));
vrefcount
++
;
return
this
;
}
RewriterVar
*
decvref
()
{
assert
(
reftype
==
RefType
::
OWNED
||
reftype
==
RefType
::
BORROWED
);
assert
(
vrefcount
>
0
);
vrefcount
--
;
if
(
reftype
==
RefType
::
OWNED
&&
vrefcount
==
0
)
decref
();
return
this
;
}
RewriterVar
*
materializeVref
()
{
assert
(
reftype
==
RefType
::
OWNED
||
reftype
==
RefType
::
BORROWED
);
assert
(
vrefcount
>
0
);
vrefcount
--
;
if
(
reftype
==
RefType
::
OWNED
&&
vrefcount
==
0
)
{
// handoff, do nothing
}
else
{
incref
();
}
return
this
;
}
template
<
typename
Src
,
typename
Dst
>
inline
RewriterVar
*
getAttrCast
(
int
offset
,
Location
loc
=
Location
::
any
());
...
...
@@ -230,6 +280,10 @@ private:
llvm
::
SmallVector
<
Location
,
4
>
locations
;
bool
isInLocation
(
Location
l
);
void
incref
();
void
decref
();
void
xdecref
();
// uses is a vector of the indices into the Rewriter::actions vector
// indicated the actions that use this variable.
// During the assembly-emitting phase, next_use is used to keep track of the next
...
...
@@ -250,6 +304,9 @@ private:
bool
is_arg
;
bool
is_constant
;
RefType
reftype
=
RefType
::
UNKNOWN
;
int
vrefcount
;
uint64_t
constant_value
;
Location
arg_loc
;
std
::
pair
<
int
/*offset*/
,
int
/*size*/
>
scratch_allocation
;
...
...
@@ -275,10 +332,21 @@ private:
RewriterVar
&
operator
=
(
const
RewriterVar
&
)
=
delete
;
public:
RewriterVar
(
Rewriter
*
rewriter
)
:
rewriter
(
rewriter
),
next_use
(
0
),
is_arg
(
false
),
is_constant
(
false
)
{
RewriterVar
(
Rewriter
*
rewriter
)
:
rewriter
(
rewriter
),
next_use
(
0
),
is_arg
(
false
),
is_constant
(
false
),
vrefcount
(
0
)
{
assert
(
rewriter
);
}
// XXX: for testing, reset these on deallocation so that we will see the next time they get set.
~
RewriterVar
()
{
reftype
=
(
RefType
)
-
1
;
vrefcount
=
-
11
;
}
Rewriter
*
getRewriter
()
{
return
rewriter
;
}
friend
class
Rewriter
;
...
...
src/codegen/ast_interpreter.cpp
View file @
37b5d25f
...
...
@@ -417,7 +417,7 @@ Box* ASTInterpreter::executeInner(ASTInterpreter& interpreter, CFGBlock* start_b
if
(
v
.
o
)
{
Py_XDECREF
(
v
.
o
);
if
(
v
.
var
)
v
.
var
->
decref
();
v
.
var
->
dec
v
ref
();
}
v
=
interpreter
.
visit_stmt
(
s
);
}
...
...
@@ -467,7 +467,7 @@ void ASTInterpreter::doStore(AST_Name* node, STOLEN(Value) value) {
setGlobal
(
globals
,
name
.
getBox
(),
value
.
o
);
Py_DECREF
(
value
.
o
);
if
(
jit
)
value
.
var
->
decref
();
value
.
var
->
dec
v
ref
();
}
else
if
(
vst
==
ScopeInfo
::
VarScopeType
::
NAME
)
{
assert
(
0
&&
"check refcounting"
);
if
(
jit
)
...
...
@@ -554,8 +554,7 @@ void ASTInterpreter::doStore(AST_expr* node, Value value) {
Value
ASTInterpreter
::
getNone
()
{
RewriterVar
*
v
=
NULL
;
if
(
jit
)
{
v
=
jit
->
imm
(
None
);
v
->
incref
();
v
=
jit
->
imm
(
None
)
->
setType
(
RefType
::
BORROWED
);
}
return
Value
(
incref
(
None
),
v
);
}
...
...
@@ -575,8 +574,8 @@ Value ASTInterpreter::visit_binop(AST_BinOp* node) {
Py_DECREF
(
left
.
o
);
Py_DECREF
(
right
.
o
);
if
(
jit
)
{
left
.
var
->
decref
();
right
.
var
->
decref
();
left
.
var
->
dec
v
ref
();
right
.
var
->
dec
v
ref
();
}
return
r
;
}
...
...
@@ -863,8 +862,8 @@ Value ASTInterpreter::visit_augBinOp(AST_AugBinOp* node) {
Py_DECREF
(
right
.
o
);
if
(
jit
)
{
left
.
var
->
decref
();
right
.
var
->
decref
();
left
.
var
->
dec
v
ref
();
right
.
var
->
dec
v
ref
();
}
return
r
;
}
...
...
@@ -877,7 +876,7 @@ Value ASTInterpreter::visit_langPrimitive(AST_LangPrimitive* node) {
v
=
Value
(
getPystonIter
(
val
.
o
),
jit
?
jit
->
emitGetPystonIter
(
val
)
:
NULL
);
Py_DECREF
(
val
.
o
);
if
(
jit
)
val
.
var
->
decref
();
val
.
var
->
dec
v
ref
();
}
else
if
(
node
->
opcode
==
AST_LangPrimitive
::
IMPORT_FROM
)
{
assert
(
node
->
args
.
size
()
==
2
);
assert
(
node
->
args
[
0
]
->
type
==
AST_TYPE
::
Name
);
...
...
@@ -938,7 +937,7 @@ Value ASTInterpreter::visit_langPrimitive(AST_LangPrimitive* node) {
v
=
Value
(
boxBool
(
nonzero
(
obj
.
o
)),
jit
?
jit
->
emitNonzero
(
obj
)
:
NULL
);
Py_DECREF
(
obj
.
o
);
if
(
jit
)
obj
.
var
->
decref
();
obj
.
var
->
dec
v
ref
();
}
else
if
(
node
->
opcode
==
AST_LangPrimitive
::
SET_EXC_INFO
)
{
assert
(
node
->
args
.
size
()
==
3
);
...
...
@@ -965,7 +964,7 @@ Value ASTInterpreter::visit_langPrimitive(AST_LangPrimitive* node) {
v
=
Value
(
boxBool
(
hasnext
(
obj
.
o
)),
jit
?
jit
->
emitHasnext
(
obj
)
:
NULL
);
Py_DECREF
(
obj
.
o
);
if
(
jit
)
obj
.
var
->
decref
();
obj
.
var
->
dec
v
ref
();
}
else
if
(
node
->
opcode
==
AST_LangPrimitive
::
PRINT_EXPR
)
{
abortJITing
();
Value
obj
=
visit_expr
(
node
->
args
[
0
]);
...
...
@@ -1144,8 +1143,8 @@ Value ASTInterpreter::visit_makeFunction(AST_MakeFunction* mkfn) {
if
(
jit
)
{
auto
prev_func_var
=
func
.
var
;
func
.
var
=
jit
->
emitRuntimeCall
(
NULL
,
decorators
[
i
],
ArgPassSpec
(
1
),
{
func
},
NULL
);
decorators
[
i
].
var
->
decref
();
prev_func_var
->
decref
();
decorators
[
i
].
var
->
dec
v
ref
();
prev_func_var
->
dec
v
ref
();
}
}
return
func
;
...
...
@@ -1322,8 +1321,8 @@ Value ASTInterpreter::visit_print(AST_Print* node) {
if
(
jit
)
{
if
(
node
->
dest
)
dest
.
var
->
decref
();
var
.
var
->
decref
();
dest
.
var
->
dec
v
ref
();
var
.
var
->
dec
v
ref
();
}
return
Value
();
...
...
@@ -1350,8 +1349,8 @@ Value ASTInterpreter::visit_compare(AST_Compare* node) {
Py_DECREF
(
left
.
o
);
Py_DECREF
(
right
.
o
);
if
(
jit
)
{
left
.
var
->
decref
();
right
.
var
->
decref
();
left
.
var
->
dec
v
ref
();
right
.
var
->
dec
v
ref
();
}
return
r
;
}
...
...
@@ -1487,9 +1486,9 @@ Value ASTInterpreter::visit_call(AST_Call* node) {
Py_DECREF
(
e
);
if
(
jit
)
{
func
.
var
->
decref
();
func
.
var
->
dec
v
ref
();
for
(
auto
e
:
args_vars
)
e
->
decref
();
e
->
dec
v
ref
();
}
return
v
;
...
...
@@ -1515,8 +1514,7 @@ Value ASTInterpreter::visit_num(AST_Num* node) {
Py_INCREF
(
o
);
RewriterVar
*
v
=
NULL
;
if
(
jit
)
{
v
=
jit
->
imm
(
o
);
v
->
incref
();
v
=
jit
->
imm
(
o
)
->
setType
(
RefType
::
BORROWED
);
}
return
Value
(
o
,
v
);
}
...
...
src/codegen/baseline_jit.cpp
View file @
37b5d25f
...
...
@@ -168,7 +168,7 @@ RewriterVar* JitFragmentWriter::emitAugbinop(AST_expr* node, RewriterVar* lhs, R
RewriterVar
*
JitFragmentWriter
::
emitBinop
(
AST_expr
*
node
,
RewriterVar
*
lhs
,
RewriterVar
*
rhs
,
int
op_type
)
{
/// XXX increase this too much for testing
return
emitPPCall
((
void
*
)
binop
,
{
lhs
,
rhs
,
imm
(
op_type
)
},
2
,
640
,
node
);
return
emitPPCall
((
void
*
)
binop
,
{
lhs
,
rhs
,
imm
(
op_type
)
},
2
,
640
,
node
)
->
setType
(
RefType
::
OWNED
)
;
}
RewriterVar
*
JitFragmentWriter
::
emitCallattr
(
AST_expr
*
node
,
RewriterVar
*
obj
,
BoxedString
*
attr
,
CallattrFlags
flags
,
...
...
@@ -266,8 +266,7 @@ RewriterVar* JitFragmentWriter::emitCreateTuple(const llvm::ArrayRef<RewriterVar
auto
num
=
values
.
size
();
RewriterVar
*
r
;
if
(
num
==
0
)
{
r
=
imm
(
EmptyTuple
);
r
->
incref
();
r
=
imm
(
EmptyTuple
)
->
setType
(
RefType
::
BORROWED
);
}
else
if
(
num
==
1
)
r
=
call
(
false
,
(
void
*
)
BoxedTuple
::
create1
,
values
[
0
]);
else
if
(
num
==
2
)
...
...
@@ -278,7 +277,7 @@ RewriterVar* JitFragmentWriter::emitCreateTuple(const llvm::ArrayRef<RewriterVar
r
=
call
(
false
,
(
void
*
)
createTupleHelper
,
imm
(
num
),
allocArgs
(
values
));
for
(
auto
v
:
values
)
v
->
decref
();
v
->
dec
v
ref
();
return
r
;
}
...
...
@@ -304,8 +303,7 @@ RewriterVar* JitFragmentWriter::emitGetBlockLocal(InternedString s, int vreg) {
auto
it
=
local_syms
.
find
(
s
);
if
(
it
==
local_syms
.
end
())
return
emitGetLocal
(
s
,
vreg
);
// TODO xincref?
it
->
second
->
incref
();
it
->
second
->
incvref
();
return
it
->
second
;
}
...
...
@@ -325,11 +323,14 @@ RewriterVar* JitFragmentWriter::emitGetClsAttr(RewriterVar* obj, BoxedString* s)
RewriterVar
*
JitFragmentWriter
::
emitGetGlobal
(
Box
*
global
,
BoxedString
*
s
)
{
if
(
s
->
s
()
==
"None"
)
{
RewriterVar
*
r
=
imm
(
None
);
r
->
incref
();
RewriterVar
*
r
=
imm
(
None
)
->
setType
(
RefType
::
BORROWED
);
return
r
;
}
return
emitPPCall
((
void
*
)
getGlobal
,
{
imm
(
global
),
imm
(
s
)
},
2
,
512
);
RewriterVar
*
args
[]
=
{
NULL
,
NULL
};
args
[
0
]
=
imm
(
global
)
->
asBorrowed
()
->
decvref
();
args
[
1
]
=
imm
(
s
)
->
asBorrowed
()
->
decvref
();
return
emitPPCall
((
void
*
)
getGlobal
,
args
,
2
,
512
)
->
setType
(
RefType
::
OWNED
);
}
RewriterVar
*
JitFragmentWriter
::
emitGetItem
(
AST_expr
*
node
,
RewriterVar
*
value
,
RewriterVar
*
slice
)
{
...
...
@@ -338,7 +339,7 @@ RewriterVar* JitFragmentWriter::emitGetItem(AST_expr* node, RewriterVar* value,
RewriterVar
*
JitFragmentWriter
::
emitGetLocal
(
InternedString
s
,
int
vreg
)
{
assert
(
vreg
>=
0
);
RewriterVar
*
val_var
=
vregs_array
->
getAttr
(
vreg
*
8
);
RewriterVar
*
val_var
=
vregs_array
->
getAttr
(
vreg
*
8
)
->
setType
(
RefType
::
OWNED
)
;
addAction
([
=
]()
{
_emitGetLocal
(
val_var
,
s
.
c_str
());
},
{
val_var
},
ActionType
::
NORMAL
);
return
val_var
;
}
...
...
@@ -405,7 +406,7 @@ RewriterVar* JitFragmentWriter::emitRuntimeCall(AST_expr* node, RewriterVar* obj
if
(
keyword_names
)
call_args
.
push_back
(
imm
(
keyword_names
));
return
emitPPCall
((
void
*
)
runtimeCall
,
call_args
,
2
,
640
,
node
,
type_recorder
);
return
emitPPCall
((
void
*
)
runtimeCall
,
call_args
,
2
,
640
,
node
,
type_recorder
)
->
setType
(
RefType
::
OWNED
)
;
#else
RewriterVar
*
argspec_var
=
imm
(
argspec
.
asInt
());
RewriterVar
*
keyword_names_var
=
keyword_names
?
imm
(
keyword_names
)
:
nullptr
;
...
...
@@ -476,7 +477,7 @@ void JitFragmentWriter::emitExec(RewriterVar* code, RewriterVar* globals, Rewrit
void
JitFragmentWriter
::
emitJump
(
CFGBlock
*
b
)
{
for
(
auto
v
:
local_syms
)
{
if
(
v
.
second
)
v
.
second
->
decref
();
// xdecref?
v
.
second
->
dec
v
ref
();
// xdecref?
}
RewriterVar
*
next
=
imm
(
b
);
...
...
@@ -508,9 +509,11 @@ void JitFragmentWriter::emitRaise3(RewriterVar* arg0, RewriterVar* arg1, Rewrite
void
JitFragmentWriter
::
emitReturn
(
RewriterVar
*
v
)
{
for
(
auto
v
:
local_syms
)
{
if
(
v
.
second
)
v
.
second
->
decref
();
v
.
second
->
dec
v
ref
();
}
v
->
materializeVref
();
addAction
([
=
]()
{
_emitReturn
(
v
);
},
{
v
},
ActionType
::
NORMAL
);
}
...
...
@@ -523,7 +526,7 @@ void JitFragmentWriter::emitSetBlockLocal(InternedString s, RewriterVar* v) {
local_syms
[
s
]
=
v
;
if
(
prev
)
{
// TODO: xdecref?
prev
->
decref
();
prev
->
dec
v
ref
();
}
}
...
...
@@ -559,10 +562,10 @@ void JitFragmentWriter::emitSetLocal(InternedString s, int vreg, bool set_closur
#endif
v
);
}
else
{
RewriterVar
*
prev
=
vregs_array
->
getAttr
(
8
*
vreg
);
RewriterVar
*
prev
=
vregs_array
->
getAttr
(
8
*
vreg
)
->
setType
(
RefType
::
OWNED
)
;
vregs_array
->
setAttr
(
8
*
vreg
,
v
);
// XXX: this either needs to be an xdecref or we should check liveness analysis.
prev
->
decref
();
prev
->
dec
v
ref
();
//prev->xdecref();
}
}
...
...
src/runtime/objmodel.cpp
View file @
37b5d25f
...
...
@@ -874,8 +874,8 @@ template <Rewritable rewritable> Box* Box::getattr(BoxedString* attr, GetattrRew
}
else
{
RewriterVar
*
r_attrs
=
rewrite_args
->
obj
->
getAttr
(
cls
->
attrs_offset
+
offsetof
(
HCAttrs
,
attr_list
),
Location
::
any
());
RewriterVar
*
r_rtn
=
r_attrs
->
getAttr
(
offset
*
sizeof
(
Box
*
)
+
offsetof
(
HCAttrs
::
AttrList
,
attrs
),
Location
::
any
()
);
RewriterVar
*
r_rtn
=
r_attrs
->
getAttr
(
offset
*
sizeof
(
Box
*
)
+
offsetof
(
HCAttrs
::
AttrList
,
attrs
),
Location
::
any
())
->
setType
(
RefType
::
BORROWED
);
rewrite_args
->
setReturn
(
r_rtn
,
ReturnConvention
::
HAS_RETURN
);
}
}
...
...
@@ -1019,8 +1019,10 @@ void Box::setattr(BoxedString* attr, Box* val, SetattrRewriteArgs* rewrite_args)
RewriterVar
*
r_hattrs
=
rewrite_args
->
obj
->
getAttr
(
cls
->
attrs_offset
+
offsetof
(
HCAttrs
,
attr_list
),
Location
::
any
());
r_hattrs
->
getAttr
(
offset
*
sizeof
(
Box
*
)
+
offsetof
(
HCAttrs
::
AttrList
,
attrs
))
->
decref
();
rewrite_args
->
attrval
->
incref
();
r_hattrs
->
getAttr
(
offset
*
sizeof
(
Box
*
)
+
offsetof
(
HCAttrs
::
AttrList
,
attrs
))
->
setType
(
RefType
::
OWNED
)
->
decvref
();
rewrite_args
->
attrval
->
materializeVref
();
r_hattrs
->
setAttr
(
offset
*
sizeof
(
Box
*
)
+
offsetof
(
HCAttrs
::
AttrList
,
attrs
),
rewrite_args
->
attrval
);
...
...
@@ -1038,6 +1040,7 @@ void Box::setattr(BoxedString* attr, Box* val, SetattrRewriteArgs* rewrite_args)
// make sure we don't need to rearrange the attributes
assert
(
new_hcls
->
getStrAttrOffsets
().
lookup
(
attr
)
==
hcls
->
attributeArraySize
());
assert
(
!
rewrite_args
&&
"check rewriter refcounting"
);
this
->
appendNewHCAttr
(
val
,
rewrite_args
);
attrs
->
hcls
=
new_hcls
;
...
...
@@ -1278,8 +1281,12 @@ template <Rewritable rewritable> Box* typeLookup(BoxedClass* cls, BoxedString* a
obj_saved
->
addAttrGuard
(
offsetof
(
BoxedClass
,
tp_version_tag
),
(
intptr_t
)
cls
->
tp_version_tag
);
if
(
!
val
)
rewrite_args
->
setReturn
(
NULL
,
ReturnConvention
::
NO_RETURN
);
else
rewrite_args
->
setReturn
(
rewrite_args
->
rewriter
->
loadConst
((
int64_t
)
val
),
ReturnConvention
::
HAS_RETURN
);
else
{
// typeLookup is special since it doesn't even return a vref
rewrite_args
->
setReturn
(
rewrite_args
->
rewriter
->
loadConst
((
int64_t
)
val
)
->
setType
(
RefType
::
BORROWED
),
ReturnConvention
::
HAS_RETURN
);
}
}
return
val
;
}
...
...
@@ -1376,8 +1383,8 @@ Box* nondataDescriptorInstanceSpecialCases(GetattrRewriteArgs* rewrite_args, Box
}
else
{
*
bind_obj_out
=
incref
(
im_self
);
if
(
rewrite_args
)
{
r_im_func
->
incref
();
r_im_self
->
incref
();
r_im_func
->
inc
v
ref
();
r_im_self
->
inc
v
ref
();
rewrite_args
->
setReturn
(
r_im_func
,
ReturnConvention
::
HAS_RETURN
);
*
r_bind_obj_out
=
r_im_self
;
}
...
...
@@ -2585,6 +2592,10 @@ extern "C" void setattr(Box* obj, BoxedString* attr, Box* attr_val) {
assert
(
!
obj
->
cls
->
tp_setattr
);
if
(
rewriter
.
get
())
{
rewriter
->
getArg
(
0
)
->
setType
(
RefType
::
BORROWED
);
rewriter
->
getArg
(
1
)
->
setType
(
RefType
::
BORROWED
);
rewriter
->
getArg
(
2
)
->
setType
(
RefType
::
BORROWED
);
auto
r_cls
=
rewriter
->
getArg
(
0
)
->
getAttr
(
offsetof
(
Box
,
cls
));
// rewriter->trap();
r_cls
->
addAttrGuard
(
offsetof
(
BoxedClass
,
tp_setattr
),
0
);
...
...
@@ -3218,7 +3229,7 @@ Box* callattrInternal(Box* obj, BoxedString* attr, LookupScope scope, CallattrRe
auto
r_rtn
=
rewrite_args
->
rewriter
->
call
(
true
,
(
void
*
)
Helper
::
call
,
arg_vec
);
rewrite_args
->
setReturn
(
r_rtn
,
S
==
CXX
?
ReturnConvention
::
HAS_RETURN
:
ReturnConvention
::
CAPI_RETURN
);
if
(
r_bind_obj
)
r_bind_obj
->
decref
();
r_bind_obj
->
dec
v
ref
();
void
*
_args
[
2
]
=
{
args
,
const_cast
<
std
::
vector
<
BoxedString
*>*>
(
keyword_names
)
};
Box
*
rtn
=
Helper
::
call
(
val
,
argspec
,
arg1
,
arg2
,
arg3
,
_args
);
...
...
@@ -3240,8 +3251,8 @@ Box* callattrInternal(Box* obj, BoxedString* attr, LookupScope scope, CallattrRe
Py_DECREF
(
val
);
if
(
rewrite_args
)
{
if
(
r_bind_obj
)
r_bind_obj
->
decref
();
r_val
->
decref
();
r_bind_obj
->
dec
v
ref
();
r_val
->
dec
v
ref
();
}
return
r
;
}
...
...
@@ -3553,19 +3564,6 @@ void rearrangeArgumentsInternal(ParamReceiveSpec paramspec, const ParamNames* pa
Py_INCREF
(
oargs
[
i
]);
}
}
if
(
rewrite_args
)
{
if
(
num_output_args
>=
1
)
rewrite_args
->
arg1
->
incref
();
if
(
num_output_args
>=
2
)
rewrite_args
->
arg2
->
incref
();
if
(
num_output_args
>=
3
)
rewrite_args
->
arg3
->
incref
();
if
(
num_output_args
>=
3
)
{
for
(
int
i
=
0
;
i
<
num_output_args
-
3
;
i
++
)
{
rewrite_args
->
args
->
getAttr
(
i
*
sizeof
(
Box
*
))
->
incref
();
}
}
}
return
;
}
...
...
@@ -4132,8 +4130,9 @@ Box* callFunc(BoxedFunctionBase* func, CallRewriteArgs* rewrite_args, ArgPassSpe
Py_DECREF
(
oargs
[
i
]);
}
if
(
rewrite_args
)
{
RELEASE_ASSERT
(
num_output_args
<=
3
,
"figure out vrefs for arg array"
);
for
(
int
i
=
0
;
i
<
num_output_args
;
i
++
)
{
getArg
(
i
,
rewrite_args
)
->
decref
();
getArg
(
i
,
rewrite_args
)
->
dec
v
ref
();
}
}
...
...
@@ -4323,7 +4322,7 @@ Box* callCLFunc(FunctionMetadata* md, CallRewriteArgs* rewrite_args, int num_out
if
(
num_output_args
>=
4
)
arg_vec
.
push_back
(
rewrite_args
->
args
);
rewrite_args
->
out_rtn
=
rewrite_args
->
rewriter
->
call
(
true
,
func_ptr
,
arg_vec
);
rewrite_args
->
out_rtn
=
rewrite_args
->
rewriter
->
call
(
true
,
func_ptr
,
arg_vec
)
->
setType
(
RefType
::
OWNED
)
;
if
(
S
==
CXX
&&
chosen_cf
->
exception_style
==
CAPI
)
rewrite_args
->
rewriter
->
checkAndThrowCAPIException
(
rewrite_args
->
out_rtn
);
...
...
@@ -4730,6 +4729,8 @@ Box* binopInternal(Box* lhs, Box* rhs, int op_type, bool inplace, BinopRewriteAr
if
(
rewrite_args
)
{
CallattrRewriteArgs
srewrite_args
(
rewrite_args
->
rewriter
,
rewrite_args
->
lhs
,
rewrite_args
->
destination
);
srewrite_args
.
arg1
=
rewrite_args
->
rhs
;
rewrite_args
->
lhs
->
incvref
();
rewrite_args
->
rhs
->
incvref
();
lrtn
=
callattrInternal1
<
CXX
,
REWRITABLE
>
(
lhs
,
op_name
,
CLASS_ONLY
,
&
srewrite_args
,
ArgPassSpec
(
1
),
rhs
);
if
(
!
srewrite_args
.
isSuccessful
())
{
...
...
@@ -4753,6 +4754,8 @@ Box* binopInternal(Box* lhs, Box* rhs, int op_type, bool inplace, BinopRewriteAr
if
(
lrtn
)
{
if
(
lrtn
!=
NotImplemented
)
{
if
(
rewrite_args
)
{
rewrite_args
->
lhs
->
decvref
();
rewrite_args
->
rhs
->
decvref
();
assert
(
rewrite_args
->
out_rtn
);
rewrite_args
->
out_success
=
true
;
}
...
...
@@ -4835,14 +4838,17 @@ extern "C" Box* binop(Box* lhs, Box* rhs, int op_type) {
Box
*
rtn
;
if
(
rewriter
.
get
())
{
// rewriter->trap();
BinopRewriteArgs
rewrite_args
(
rewriter
.
get
(),
rewriter
->
getArg
(
0
),
rewriter
->
getArg
(
1
),
BinopRewriteArgs
rewrite_args
(
rewriter
.
get
(),
rewriter
->
getArg
(
0
)
->
setType
(
RefType
::
BORROWED
),
rewriter
->
getArg
(
1
)
->
setType
(
RefType
::
BORROWED
),
rewriter
->
getReturnDestination
());
rtn
=
binopInternal
<
REWRITABLE
>
(
lhs
,
rhs
,
op_type
,
false
,
&
rewrite_args
);
assert
(
rtn
);
if
(
!
rewrite_args
.
out_success
)
{
rewriter
.
reset
(
NULL
);
}
else
}
else
{
rewrite_args
.
out_rtn
->
materializeVref
();
rewriter
->
commitReturning
(
rewrite_args
.
out_rtn
);
}
}
else
{
rtn
=
binopInternal
<
NOT_REWRITABLE
>
(
lhs
,
rhs
,
op_type
,
false
,
NULL
);
}
...
...
@@ -6387,7 +6393,7 @@ extern "C" Box* getGlobal(Box* globals, BoxedString* name) {
if
(
r
)
{
if
(
rewriter
.
get
())
{
RewriterVar
*
r_rtn
=
rewrite_args
.
getReturn
(
ReturnConvention
::
HAS_RETURN
);
r_rtn
->
inc
ref
();
r_rtn
->
materializeV
ref
();
rewriter
->
commitReturning
(
r_rtn
);
}
...
...
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