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1 //===- Record.cpp - Record implementation ---------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implement the tablegen record classes.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/TableGen/Record.h"
15 #include "llvm/ADT/DenseMap.h"
16 #include "llvm/ADT/FoldingSet.h"
17 #include "llvm/ADT/Hashing.h"
18 #include "llvm/ADT/STLExtras.h"
19 #include "llvm/ADT/SmallVector.h"
20 #include "llvm/ADT/StringExtras.h"
21 #include "llvm/ADT/StringMap.h"
22 #include "llvm/Support/DataTypes.h"
23 #include "llvm/Support/ErrorHandling.h"
24 #include "llvm/Support/Format.h"
25 #include "llvm/TableGen/Error.h"
29 //===----------------------------------------------------------------------===//
30 // std::string wrapper for DenseMap purposes
31 //===----------------------------------------------------------------------===//
35 /// TableGenStringKey - This is a wrapper for std::string suitable for
36 /// using as a key to a DenseMap. Because there isn't a particularly
37 /// good way to indicate tombstone or empty keys for strings, we want
38 /// to wrap std::string to indicate that this is a "special" string
39 /// not expected to take on certain values (those of the tombstone and
40 /// empty keys). This makes things a little safer as it clarifies
41 /// that DenseMap is really not appropriate for general strings.
43 class TableGenStringKey
{
45 TableGenStringKey(const std::string
&str
) : data(str
) {}
46 TableGenStringKey(const char *str
) : data(str
) {}
48 const std::string
&str() const { return data
; }
50 friend hash_code
hash_value(const TableGenStringKey
&Value
) {
51 using llvm::hash_value
;
52 return hash_value(Value
.str());
58 /// Specialize DenseMapInfo for TableGenStringKey.
59 template<> struct DenseMapInfo
<TableGenStringKey
> {
60 static inline TableGenStringKey
getEmptyKey() {
61 TableGenStringKey
Empty("<<<EMPTY KEY>>>");
64 static inline TableGenStringKey
getTombstoneKey() {
65 TableGenStringKey
Tombstone("<<<TOMBSTONE KEY>>>");
68 static unsigned getHashValue(const TableGenStringKey
& Val
) {
69 using llvm::hash_value
;
70 return hash_value(Val
);
72 static bool isEqual(const TableGenStringKey
& LHS
,
73 const TableGenStringKey
& RHS
) {
74 return LHS
.str() == RHS
.str();
80 //===----------------------------------------------------------------------===//
81 // Type implementations
82 //===----------------------------------------------------------------------===//
84 BitRecTy
BitRecTy::Shared
;
85 IntRecTy
IntRecTy::Shared
;
86 StringRecTy
StringRecTy::Shared
;
87 DagRecTy
DagRecTy::Shared
;
89 void RecTy::anchor() { }
90 void RecTy::dump() const { print(errs()); }
92 ListRecTy
*RecTy::getListTy() {
94 ListTy
= new ListRecTy(this);
98 bool RecTy::baseClassOf(const RecTy
*RHS
) const{
99 assert (RHS
&& "NULL pointer");
100 return Kind
== RHS
->getRecTyKind();
103 Init
*BitRecTy::convertValue(BitsInit
*BI
) {
104 if (BI
->getNumBits() != 1) return nullptr; // Only accept if just one bit!
105 return BI
->getBit(0);
108 Init
*BitRecTy::convertValue(IntInit
*II
) {
109 int64_t Val
= II
->getValue();
110 if (Val
!= 0 && Val
!= 1) return nullptr; // Only accept 0 or 1 for a bit!
112 return BitInit::get(Val
!= 0);
115 Init
*BitRecTy::convertValue(TypedInit
*VI
) {
116 RecTy
*Ty
= VI
->getType();
117 if (isa
<BitRecTy
>(Ty
))
118 return VI
; // Accept variable if it is already of bit type!
119 if (auto *BitsTy
= dyn_cast
<BitsRecTy
>(Ty
))
120 // Accept only bits<1> expression.
121 return BitsTy
->getNumBits() == 1 ? VI
: nullptr;
122 // Ternary !if can be converted to bit, but only if both sides are
123 // convertible to a bit.
124 if (TernOpInit
*TOI
= dyn_cast
<TernOpInit
>(VI
)) {
125 if (TOI
->getOpcode() != TernOpInit::TernaryOp::IF
)
127 if (!TOI
->getMHS()->convertInitializerTo(BitRecTy::get()) ||
128 !TOI
->getRHS()->convertInitializerTo(BitRecTy::get()))
135 bool BitRecTy::baseClassOf(const RecTy
*RHS
) const{
136 if(RecTy::baseClassOf(RHS
) || getRecTyKind() == IntRecTyKind
)
138 if(const BitsRecTy
*BitsTy
= dyn_cast
<BitsRecTy
>(RHS
))
139 return BitsTy
->getNumBits() == 1;
143 BitsRecTy
*BitsRecTy::get(unsigned Sz
) {
144 static std::vector
<BitsRecTy
*> Shared
;
145 if (Sz
>= Shared
.size())
146 Shared
.resize(Sz
+ 1);
147 BitsRecTy
*&Ty
= Shared
[Sz
];
149 Ty
= new BitsRecTy(Sz
);
153 std::string
BitsRecTy::getAsString() const {
154 return "bits<" + utostr(Size
) + ">";
157 Init
*BitsRecTy::convertValue(UnsetInit
*UI
) {
158 SmallVector
<Init
*, 16> NewBits(Size
);
160 for (unsigned i
= 0; i
!= Size
; ++i
)
161 NewBits
[i
] = UnsetInit::get();
163 return BitsInit::get(NewBits
);
166 Init
*BitsRecTy::convertValue(BitInit
*UI
) {
167 if (Size
!= 1) return nullptr; // Can only convert single bit.
168 return BitsInit::get(UI
);
171 /// canFitInBitfield - Return true if the number of bits is large enough to hold
172 /// the integer value.
173 static bool canFitInBitfield(int64_t Value
, unsigned NumBits
) {
174 // For example, with NumBits == 4, we permit Values from [-7 .. 15].
175 return (NumBits
>= sizeof(Value
) * 8) ||
176 (Value
>> NumBits
== 0) || (Value
>> (NumBits
-1) == -1);
179 /// convertValue from Int initializer to bits type: Split the integer up into the
180 /// appropriate bits.
182 Init
*BitsRecTy::convertValue(IntInit
*II
) {
183 int64_t Value
= II
->getValue();
184 // Make sure this bitfield is large enough to hold the integer value.
185 if (!canFitInBitfield(Value
, Size
))
188 SmallVector
<Init
*, 16> NewBits(Size
);
190 for (unsigned i
= 0; i
!= Size
; ++i
)
191 NewBits
[i
] = BitInit::get(Value
& (1LL << i
));
193 return BitsInit::get(NewBits
);
196 Init
*BitsRecTy::convertValue(BitsInit
*BI
) {
197 // If the number of bits is right, return it. Otherwise we need to expand or
199 if (BI
->getNumBits() == Size
) return BI
;
203 Init
*BitsRecTy::convertValue(TypedInit
*VI
) {
204 if (Size
== 1 && isa
<BitRecTy
>(VI
->getType()))
205 return BitsInit::get(VI
);
207 if (VI
->getType()->typeIsConvertibleTo(this)) {
208 SmallVector
<Init
*, 16> NewBits(Size
);
210 for (unsigned i
= 0; i
!= Size
; ++i
)
211 NewBits
[i
] = VarBitInit::get(VI
, i
);
212 return BitsInit::get(NewBits
);
218 bool BitsRecTy::baseClassOf(const RecTy
*RHS
) const{
219 if (RecTy::baseClassOf(RHS
)) //argument and the receiver are the same type
220 return cast
<BitsRecTy
>(RHS
)->Size
== Size
;
221 RecTyKind kind
= RHS
->getRecTyKind();
222 return (kind
== BitRecTyKind
&& Size
== 1) || (kind
== IntRecTyKind
);
225 Init
*IntRecTy::convertValue(BitInit
*BI
) {
226 return IntInit::get(BI
->getValue());
229 Init
*IntRecTy::convertValue(BitsInit
*BI
) {
231 for (unsigned i
= 0, e
= BI
->getNumBits(); i
!= e
; ++i
)
232 if (BitInit
*Bit
= dyn_cast
<BitInit
>(BI
->getBit(i
))) {
233 Result
|= Bit
->getValue() << i
;
237 return IntInit::get(Result
);
240 Init
*IntRecTy::convertValue(TypedInit
*TI
) {
241 if (TI
->getType()->typeIsConvertibleTo(this))
242 return TI
; // Accept variable if already of the right type!
246 bool IntRecTy::baseClassOf(const RecTy
*RHS
) const{
247 RecTyKind kind
= RHS
->getRecTyKind();
248 return kind
==BitRecTyKind
|| kind
==BitsRecTyKind
|| kind
==IntRecTyKind
;
251 Init
*StringRecTy::convertValue(UnOpInit
*BO
) {
252 if (BO
->getOpcode() == UnOpInit::CAST
) {
253 Init
*L
= BO
->getOperand()->convertInitializerTo(this);
254 if (!L
) return nullptr;
255 if (L
!= BO
->getOperand())
256 return UnOpInit::get(UnOpInit::CAST
, L
, new StringRecTy
);
260 return convertValue((TypedInit
*)BO
);
263 Init
*StringRecTy::convertValue(BinOpInit
*BO
) {
264 if (BO
->getOpcode() == BinOpInit::STRCONCAT
) {
265 Init
*L
= BO
->getLHS()->convertInitializerTo(this);
266 Init
*R
= BO
->getRHS()->convertInitializerTo(this);
267 if (!L
|| !R
) return nullptr;
268 if (L
!= BO
->getLHS() || R
!= BO
->getRHS())
269 return BinOpInit::get(BinOpInit::STRCONCAT
, L
, R
, new StringRecTy
);
273 return convertValue((TypedInit
*)BO
);
277 Init
*StringRecTy::convertValue(TypedInit
*TI
) {
278 if (isa
<StringRecTy
>(TI
->getType()))
279 return TI
; // Accept variable if already of the right type!
283 std::string
ListRecTy::getAsString() const {
284 return "list<" + Ty
->getAsString() + ">";
287 Init
*ListRecTy::convertValue(ListInit
*LI
) {
288 std::vector
<Init
*> Elements
;
290 // Verify that all of the elements of the list are subclasses of the
291 // appropriate class!
292 for (unsigned i
= 0, e
= LI
->getSize(); i
!= e
; ++i
)
293 if (Init
*CI
= LI
->getElement(i
)->convertInitializerTo(Ty
))
294 Elements
.push_back(CI
);
298 if (!isa
<ListRecTy
>(LI
->getType()))
301 return ListInit::get(Elements
, this);
304 Init
*ListRecTy::convertValue(TypedInit
*TI
) {
305 // Ensure that TI is compatible with our class.
306 if (ListRecTy
*LRT
= dyn_cast
<ListRecTy
>(TI
->getType()))
307 if (LRT
->getElementType()->typeIsConvertibleTo(getElementType()))
312 bool ListRecTy::baseClassOf(const RecTy
*RHS
) const{
313 if(const ListRecTy
* ListTy
= dyn_cast
<ListRecTy
>(RHS
))
314 return ListTy
->getElementType()->typeIsConvertibleTo(Ty
);
318 Init
*DagRecTy::convertValue(TypedInit
*TI
) {
319 if (TI
->getType()->typeIsConvertibleTo(this))
324 Init
*DagRecTy::convertValue(UnOpInit
*BO
) {
325 if (BO
->getOpcode() == UnOpInit::CAST
) {
326 Init
*L
= BO
->getOperand()->convertInitializerTo(this);
327 if (!L
) return nullptr;
328 if (L
!= BO
->getOperand())
329 return UnOpInit::get(UnOpInit::CAST
, L
, new DagRecTy
);
335 Init
*DagRecTy::convertValue(BinOpInit
*BO
) {
336 if (BO
->getOpcode() == BinOpInit::CONCAT
) {
337 Init
*L
= BO
->getLHS()->convertInitializerTo(this);
338 Init
*R
= BO
->getRHS()->convertInitializerTo(this);
339 if (!L
|| !R
) return nullptr;
340 if (L
!= BO
->getLHS() || R
!= BO
->getRHS())
341 return BinOpInit::get(BinOpInit::CONCAT
, L
, R
, new DagRecTy
);
347 RecordRecTy
*RecordRecTy::get(Record
*R
) {
348 return dyn_cast
<RecordRecTy
>(R
->getDefInit()->getType());
351 std::string
RecordRecTy::getAsString() const {
352 return Rec
->getName();
355 Init
*RecordRecTy::convertValue(DefInit
*DI
) {
356 // Ensure that DI is a subclass of Rec.
357 if (!DI
->getDef()->isSubClassOf(Rec
))
362 Init
*RecordRecTy::convertValue(TypedInit
*TI
) {
363 // Ensure that TI is compatible with Rec.
364 if (RecordRecTy
*RRT
= dyn_cast
<RecordRecTy
>(TI
->getType()))
365 if (RRT
->getRecord()->isSubClassOf(getRecord()) ||
366 RRT
->getRecord() == getRecord())
371 bool RecordRecTy::baseClassOf(const RecTy
*RHS
) const{
372 const RecordRecTy
*RTy
= dyn_cast
<RecordRecTy
>(RHS
);
376 if (Rec
== RTy
->getRecord() || RTy
->getRecord()->isSubClassOf(Rec
))
379 const std::vector
<Record
*> &SC
= Rec
->getSuperClasses();
380 for (unsigned i
= 0, e
= SC
.size(); i
!= e
; ++i
)
381 if (RTy
->getRecord()->isSubClassOf(SC
[i
]))
387 /// resolveTypes - Find a common type that T1 and T2 convert to.
388 /// Return 0 if no such type exists.
390 RecTy
*llvm::resolveTypes(RecTy
*T1
, RecTy
*T2
) {
391 if (T1
->typeIsConvertibleTo(T2
))
393 if (T2
->typeIsConvertibleTo(T1
))
396 // If one is a Record type, check superclasses
397 if (RecordRecTy
*RecTy1
= dyn_cast
<RecordRecTy
>(T1
)) {
398 // See if T2 inherits from a type T1 also inherits from
399 const std::vector
<Record
*> &T1SuperClasses
=
400 RecTy1
->getRecord()->getSuperClasses();
401 for(std::vector
<Record
*>::const_iterator i
= T1SuperClasses
.begin(),
402 iend
= T1SuperClasses
.end();
405 RecordRecTy
*SuperRecTy1
= RecordRecTy::get(*i
);
406 RecTy
*NewType1
= resolveTypes(SuperRecTy1
, T2
);
408 if (NewType1
!= SuperRecTy1
) {
415 if (RecordRecTy
*RecTy2
= dyn_cast
<RecordRecTy
>(T2
)) {
416 // See if T1 inherits from a type T2 also inherits from
417 const std::vector
<Record
*> &T2SuperClasses
=
418 RecTy2
->getRecord()->getSuperClasses();
419 for (std::vector
<Record
*>::const_iterator i
= T2SuperClasses
.begin(),
420 iend
= T2SuperClasses
.end();
423 RecordRecTy
*SuperRecTy2
= RecordRecTy::get(*i
);
424 RecTy
*NewType2
= resolveTypes(T1
, SuperRecTy2
);
426 if (NewType2
!= SuperRecTy2
) {
437 //===----------------------------------------------------------------------===//
438 // Initializer implementations
439 //===----------------------------------------------------------------------===//
441 void Init::anchor() { }
442 void Init::dump() const { return print(errs()); }
444 void UnsetInit::anchor() { }
446 UnsetInit
*UnsetInit::get() {
447 static UnsetInit TheInit
;
451 void BitInit::anchor() { }
453 BitInit
*BitInit::get(bool V
) {
454 static BitInit
True(true);
455 static BitInit
False(false);
457 return V
? &True
: &False
;
461 ProfileBitsInit(FoldingSetNodeID
&ID
, ArrayRef
<Init
*> Range
) {
462 ID
.AddInteger(Range
.size());
464 for (ArrayRef
<Init
*>::iterator i
= Range
.begin(),
471 BitsInit
*BitsInit::get(ArrayRef
<Init
*> Range
) {
472 typedef FoldingSet
<BitsInit
> Pool
;
476 ProfileBitsInit(ID
, Range
);
479 if (BitsInit
*I
= ThePool
.FindNodeOrInsertPos(ID
, IP
))
482 BitsInit
*I
= new BitsInit(Range
);
483 ThePool
.InsertNode(I
, IP
);
488 void BitsInit::Profile(FoldingSetNodeID
&ID
) const {
489 ProfileBitsInit(ID
, Bits
);
493 BitsInit::convertInitializerBitRange(const std::vector
<unsigned> &Bits
) const {
494 SmallVector
<Init
*, 16> NewBits(Bits
.size());
496 for (unsigned i
= 0, e
= Bits
.size(); i
!= e
; ++i
) {
497 if (Bits
[i
] >= getNumBits())
499 NewBits
[i
] = getBit(Bits
[i
]);
501 return BitsInit::get(NewBits
);
504 std::string
BitsInit::getAsString() const {
505 std::string Result
= "{ ";
506 for (unsigned i
= 0, e
= getNumBits(); i
!= e
; ++i
) {
507 if (i
) Result
+= ", ";
508 if (Init
*Bit
= getBit(e
-i
-1))
509 Result
+= Bit
->getAsString();
513 return Result
+ " }";
516 // Fix bit initializer to preserve the behavior that bit reference from a unset
517 // bits initializer will resolve into VarBitInit to keep the field name and bit
518 // number used in targets with fixed insn length.
519 static Init
*fixBitInit(const RecordVal
*RV
, Init
*Before
, Init
*After
) {
520 if (RV
|| After
!= UnsetInit::get())
525 // resolveReferences - If there are any field references that refer to fields
526 // that have been filled in, we can propagate the values now.
528 Init
*BitsInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
529 bool Changed
= false;
530 SmallVector
<Init
*, 16> NewBits(getNumBits());
532 Init
*CachedInit
= nullptr;
533 Init
*CachedBitVar
= nullptr;
534 bool CachedBitVarChanged
= false;
536 for (unsigned i
= 0, e
= getNumBits(); i
!= e
; ++i
) {
537 Init
*CurBit
= Bits
[i
];
538 Init
*CurBitVar
= CurBit
->getBitVar();
542 if (CurBitVar
== CachedBitVar
) {
543 if (CachedBitVarChanged
) {
544 Init
*Bit
= CachedInit
->getBit(CurBit
->getBitNum());
545 NewBits
[i
] = fixBitInit(RV
, CurBit
, Bit
);
549 CachedBitVar
= CurBitVar
;
550 CachedBitVarChanged
= false;
555 CurBitVar
= CurBitVar
->resolveReferences(R
, RV
);
556 CachedBitVarChanged
|= B
!= CurBitVar
;
557 Changed
|= B
!= CurBitVar
;
558 } while (B
!= CurBitVar
);
559 CachedInit
= CurBitVar
;
561 if (CachedBitVarChanged
) {
562 Init
*Bit
= CurBitVar
->getBit(CurBit
->getBitNum());
563 NewBits
[i
] = fixBitInit(RV
, CurBit
, Bit
);
568 return BitsInit::get(NewBits
);
570 return const_cast<BitsInit
*>(this);
575 class Pool
: public T
{
581 for (typename
T::iterator I
= this->begin(), E
= this->end(); I
!= E
; ++I
) {
582 typename
T::value_type
&Item
= *I
;
588 IntInit
*IntInit::get(int64_t V
) {
589 static Pool
<DenseMap
<int64_t, IntInit
*> > ThePool
;
591 IntInit
*&I
= ThePool
[V
];
592 if (!I
) I
= new IntInit(V
);
596 std::string
IntInit::getAsString() const {
597 return itostr(Value
);
601 IntInit::convertInitializerBitRange(const std::vector
<unsigned> &Bits
) const {
602 SmallVector
<Init
*, 16> NewBits(Bits
.size());
604 for (unsigned i
= 0, e
= Bits
.size(); i
!= e
; ++i
) {
608 NewBits
[i
] = BitInit::get(Value
& (INT64_C(1) << Bits
[i
]));
610 return BitsInit::get(NewBits
);
613 void StringInit::anchor() { }
615 StringInit
*StringInit::get(StringRef V
) {
616 static Pool
<StringMap
<StringInit
*> > ThePool
;
618 StringInit
*&I
= ThePool
[V
];
619 if (!I
) I
= new StringInit(V
);
623 static void ProfileListInit(FoldingSetNodeID
&ID
,
624 ArrayRef
<Init
*> Range
,
626 ID
.AddInteger(Range
.size());
627 ID
.AddPointer(EltTy
);
629 for (ArrayRef
<Init
*>::iterator i
= Range
.begin(),
636 ListInit
*ListInit::get(ArrayRef
<Init
*> Range
, RecTy
*EltTy
) {
637 typedef FoldingSet
<ListInit
> Pool
;
639 static std::vector
<std::unique_ptr
<ListInit
>> TheActualPool
;
642 ProfileListInit(ID
, Range
, EltTy
);
645 if (ListInit
*I
= ThePool
.FindNodeOrInsertPos(ID
, IP
))
648 ListInit
*I
= new ListInit(Range
, EltTy
);
649 ThePool
.InsertNode(I
, IP
);
650 TheActualPool
.push_back(std::unique_ptr
<ListInit
>(I
));
654 void ListInit::Profile(FoldingSetNodeID
&ID
) const {
655 ListRecTy
*ListType
= dyn_cast
<ListRecTy
>(getType());
656 assert(ListType
&& "Bad type for ListInit!");
657 RecTy
*EltTy
= ListType
->getElementType();
659 ProfileListInit(ID
, Values
, EltTy
);
663 ListInit::convertInitListSlice(const std::vector
<unsigned> &Elements
) const {
664 std::vector
<Init
*> Vals
;
665 for (unsigned i
= 0, e
= Elements
.size(); i
!= e
; ++i
) {
666 if (Elements
[i
] >= getSize())
668 Vals
.push_back(getElement(Elements
[i
]));
670 return ListInit::get(Vals
, getType());
673 Record
*ListInit::getElementAsRecord(unsigned i
) const {
674 assert(i
< Values
.size() && "List element index out of range!");
675 DefInit
*DI
= dyn_cast
<DefInit
>(Values
[i
]);
677 PrintFatalError("Expected record in list!");
681 Init
*ListInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
682 std::vector
<Init
*> Resolved
;
683 Resolved
.reserve(getSize());
684 bool Changed
= false;
686 for (unsigned i
= 0, e
= getSize(); i
!= e
; ++i
) {
688 Init
*CurElt
= getElement(i
);
692 CurElt
= CurElt
->resolveReferences(R
, RV
);
693 Changed
|= E
!= CurElt
;
694 } while (E
!= CurElt
);
695 Resolved
.push_back(E
);
699 return ListInit::get(Resolved
, getType());
700 return const_cast<ListInit
*>(this);
703 Init
*ListInit::resolveListElementReference(Record
&R
, const RecordVal
*IRV
,
704 unsigned Elt
) const {
705 if (Elt
>= getSize())
706 return nullptr; // Out of range reference.
707 Init
*E
= getElement(Elt
);
708 // If the element is set to some value, or if we are resolving a reference
709 // to a specific variable and that variable is explicitly unset, then
710 // replace the VarListElementInit with it.
711 if (IRV
|| !isa
<UnsetInit
>(E
))
716 std::string
ListInit::getAsString() const {
717 std::string Result
= "[";
718 for (unsigned i
= 0, e
= Values
.size(); i
!= e
; ++i
) {
719 if (i
) Result
+= ", ";
720 Result
+= Values
[i
]->getAsString();
725 Init
*OpInit::resolveListElementReference(Record
&R
, const RecordVal
*IRV
,
726 unsigned Elt
) const {
727 Init
*Resolved
= resolveReferences(R
, IRV
);
728 OpInit
*OResolved
= dyn_cast
<OpInit
>(Resolved
);
730 Resolved
= OResolved
->Fold(&R
, nullptr);
733 if (Resolved
!= this) {
734 TypedInit
*Typed
= dyn_cast
<TypedInit
>(Resolved
);
735 assert(Typed
&& "Expected typed init for list reference");
737 Init
*New
= Typed
->resolveListElementReference(R
, IRV
, Elt
);
740 return VarListElementInit::get(Typed
, Elt
);
747 Init
*OpInit::getBit(unsigned Bit
) const {
748 if (getType() == BitRecTy::get())
749 return const_cast<OpInit
*>(this);
750 return VarBitInit::get(const_cast<OpInit
*>(this), Bit
);
753 UnOpInit
*UnOpInit::get(UnaryOp opc
, Init
*lhs
, RecTy
*Type
) {
754 typedef std::pair
<std::pair
<unsigned, Init
*>, RecTy
*> Key
;
755 static Pool
<DenseMap
<Key
, UnOpInit
*> > ThePool
;
757 Key
TheKey(std::make_pair(std::make_pair(opc
, lhs
), Type
));
759 UnOpInit
*&I
= ThePool
[TheKey
];
760 if (!I
) I
= new UnOpInit(opc
, lhs
, Type
);
764 Init
*UnOpInit::Fold(Record
*CurRec
, MultiClass
*CurMultiClass
) const {
765 switch (getOpcode()) {
767 if (getType()->getAsString() == "string") {
768 if (StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
))
771 if (DefInit
*LHSd
= dyn_cast
<DefInit
>(LHS
))
772 return StringInit::get(LHSd
->getDef()->getName());
774 if (IntInit
*LHSi
= dyn_cast
<IntInit
>(LHS
))
775 return StringInit::get(LHSi
->getAsString());
777 if (StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
)) {
778 std::string Name
= LHSs
->getValue();
780 // From TGParser::ParseIDValue
782 if (const RecordVal
*RV
= CurRec
->getValue(Name
)) {
783 if (RV
->getType() != getType())
784 PrintFatalError("type mismatch in cast");
785 return VarInit::get(Name
, RV
->getType());
788 Init
*TemplateArgName
= QualifyName(*CurRec
, CurMultiClass
, Name
,
791 if (CurRec
->isTemplateArg(TemplateArgName
)) {
792 const RecordVal
*RV
= CurRec
->getValue(TemplateArgName
);
793 assert(RV
&& "Template arg doesn't exist??");
795 if (RV
->getType() != getType())
796 PrintFatalError("type mismatch in cast");
798 return VarInit::get(TemplateArgName
, RV
->getType());
803 Init
*MCName
= QualifyName(CurMultiClass
->Rec
, CurMultiClass
, Name
, "::");
805 if (CurMultiClass
->Rec
.isTemplateArg(MCName
)) {
806 const RecordVal
*RV
= CurMultiClass
->Rec
.getValue(MCName
);
807 assert(RV
&& "Template arg doesn't exist??");
809 if (RV
->getType() != getType())
810 PrintFatalError("type mismatch in cast");
812 return VarInit::get(MCName
, RV
->getType());
815 assert(CurRec
&& "NULL pointer");
816 if (Record
*D
= (CurRec
->getRecords()).getDef(Name
))
817 return DefInit::get(D
);
819 PrintFatalError(CurRec
->getLoc(),
820 "Undefined reference:'" + Name
+ "'\n");
826 if (ListInit
*LHSl
= dyn_cast
<ListInit
>(LHS
)) {
827 assert(LHSl
->getSize() != 0 && "Empty list in car");
828 return LHSl
->getElement(0);
833 if (ListInit
*LHSl
= dyn_cast
<ListInit
>(LHS
)) {
834 assert(LHSl
->getSize() != 0 && "Empty list in cdr");
835 // Note the +1. We can't just pass the result of getValues()
837 ArrayRef
<Init
*>::iterator begin
= LHSl
->getValues().begin()+1;
838 ArrayRef
<Init
*>::iterator end
= LHSl
->getValues().end();
840 ListInit::get(ArrayRef
<Init
*>(begin
, end
- begin
),
847 if (ListInit
*LHSl
= dyn_cast
<ListInit
>(LHS
)) {
848 if (LHSl
->getSize() == 0) {
849 return IntInit::get(1);
851 return IntInit::get(0);
854 if (StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
)) {
855 if (LHSs
->getValue().empty()) {
856 return IntInit::get(1);
858 return IntInit::get(0);
865 return const_cast<UnOpInit
*>(this);
868 Init
*UnOpInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
869 Init
*lhs
= LHS
->resolveReferences(R
, RV
);
872 return (UnOpInit::get(getOpcode(), lhs
, getType()))->Fold(&R
, nullptr);
873 return Fold(&R
, nullptr);
876 std::string
UnOpInit::getAsString() const {
879 case CAST
: Result
= "!cast<" + getType()->getAsString() + ">"; break;
880 case HEAD
: Result
= "!head"; break;
881 case TAIL
: Result
= "!tail"; break;
882 case EMPTY
: Result
= "!empty"; break;
884 return Result
+ "(" + LHS
->getAsString() + ")";
887 BinOpInit
*BinOpInit::get(BinaryOp opc
, Init
*lhs
,
888 Init
*rhs
, RecTy
*Type
) {
890 std::pair
<std::pair
<unsigned, Init
*>, Init
*>,
894 static Pool
<DenseMap
<Key
, BinOpInit
*> > ThePool
;
896 Key
TheKey(std::make_pair(std::make_pair(std::make_pair(opc
, lhs
), rhs
),
899 BinOpInit
*&I
= ThePool
[TheKey
];
900 if (!I
) I
= new BinOpInit(opc
, lhs
, rhs
, Type
);
904 Init
*BinOpInit::Fold(Record
*CurRec
, MultiClass
*CurMultiClass
) const {
905 switch (getOpcode()) {
907 DagInit
*LHSs
= dyn_cast
<DagInit
>(LHS
);
908 DagInit
*RHSs
= dyn_cast
<DagInit
>(RHS
);
910 DefInit
*LOp
= dyn_cast
<DefInit
>(LHSs
->getOperator());
911 DefInit
*ROp
= dyn_cast
<DefInit
>(RHSs
->getOperator());
912 if (!LOp
|| !ROp
|| LOp
->getDef() != ROp
->getDef())
913 PrintFatalError("Concated Dag operators do not match!");
914 std::vector
<Init
*> Args
;
915 std::vector
<std::string
> ArgNames
;
916 for (unsigned i
= 0, e
= LHSs
->getNumArgs(); i
!= e
; ++i
) {
917 Args
.push_back(LHSs
->getArg(i
));
918 ArgNames
.push_back(LHSs
->getArgName(i
));
920 for (unsigned i
= 0, e
= RHSs
->getNumArgs(); i
!= e
; ++i
) {
921 Args
.push_back(RHSs
->getArg(i
));
922 ArgNames
.push_back(RHSs
->getArgName(i
));
924 return DagInit::get(LHSs
->getOperator(), "", Args
, ArgNames
);
929 ListInit
*LHSs
= dyn_cast
<ListInit
>(LHS
);
930 ListInit
*RHSs
= dyn_cast
<ListInit
>(RHS
);
932 std::vector
<Init
*> Args
;
933 Args
.insert(Args
.end(), LHSs
->begin(), LHSs
->end());
934 Args
.insert(Args
.end(), RHSs
->begin(), RHSs
->end());
935 return ListInit::get(
936 Args
, static_cast<ListRecTy
*>(LHSs
->getType())->getElementType());
941 StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
);
942 StringInit
*RHSs
= dyn_cast
<StringInit
>(RHS
);
944 return StringInit::get(LHSs
->getValue() + RHSs
->getValue());
948 // try to fold eq comparison for 'bit' and 'int', otherwise fallback
949 // to string objects.
951 dyn_cast_or_null
<IntInit
>(LHS
->convertInitializerTo(IntRecTy::get()));
953 dyn_cast_or_null
<IntInit
>(RHS
->convertInitializerTo(IntRecTy::get()));
956 return IntInit::get(L
->getValue() == R
->getValue());
958 StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
);
959 StringInit
*RHSs
= dyn_cast
<StringInit
>(RHS
);
961 // Make sure we've resolved
963 return IntInit::get(LHSs
->getValue() == RHSs
->getValue());
973 dyn_cast_or_null
<IntInit
>(LHS
->convertInitializerTo(IntRecTy::get()));
975 dyn_cast_or_null
<IntInit
>(RHS
->convertInitializerTo(IntRecTy::get()));
977 int64_t LHSv
= LHSi
->getValue(), RHSv
= RHSi
->getValue();
979 switch (getOpcode()) {
980 default: llvm_unreachable("Bad opcode!");
981 case ADD
: Result
= LHSv
+ RHSv
; break;
982 case AND
: Result
= LHSv
& RHSv
; break;
983 case SHL
: Result
= LHSv
<< RHSv
; break;
984 case SRA
: Result
= LHSv
>> RHSv
; break;
985 case SRL
: Result
= (uint64_t)LHSv
>> (uint64_t)RHSv
; break;
987 return IntInit::get(Result
);
992 return const_cast<BinOpInit
*>(this);
995 Init
*BinOpInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
996 Init
*lhs
= LHS
->resolveReferences(R
, RV
);
997 Init
*rhs
= RHS
->resolveReferences(R
, RV
);
999 if (LHS
!= lhs
|| RHS
!= rhs
)
1000 return (BinOpInit::get(getOpcode(), lhs
, rhs
, getType()))->Fold(&R
,nullptr);
1001 return Fold(&R
, nullptr);
1004 std::string
BinOpInit::getAsString() const {
1007 case CONCAT
: Result
= "!con"; break;
1008 case ADD
: Result
= "!add"; break;
1009 case AND
: Result
= "!and"; break;
1010 case SHL
: Result
= "!shl"; break;
1011 case SRA
: Result
= "!sra"; break;
1012 case SRL
: Result
= "!srl"; break;
1013 case EQ
: Result
= "!eq"; break;
1014 case LISTCONCAT
: Result
= "!listconcat"; break;
1015 case STRCONCAT
: Result
= "!strconcat"; break;
1017 return Result
+ "(" + LHS
->getAsString() + ", " + RHS
->getAsString() + ")";
1020 TernOpInit
*TernOpInit::get(TernaryOp opc
, Init
*lhs
,
1021 Init
*mhs
, Init
*rhs
,
1025 std::pair
<std::pair
<unsigned, RecTy
*>, Init
*>,
1031 typedef DenseMap
<Key
, TernOpInit
*> Pool
;
1032 static Pool ThePool
;
1034 Key
TheKey(std::make_pair(std::make_pair(std::make_pair(std::make_pair(opc
,
1040 TernOpInit
*&I
= ThePool
[TheKey
];
1041 if (!I
) I
= new TernOpInit(opc
, lhs
, mhs
, rhs
, Type
);
1045 static Init
*ForeachHelper(Init
*LHS
, Init
*MHS
, Init
*RHS
, RecTy
*Type
,
1046 Record
*CurRec
, MultiClass
*CurMultiClass
);
1048 static Init
*EvaluateOperation(OpInit
*RHSo
, Init
*LHS
, Init
*Arg
,
1049 RecTy
*Type
, Record
*CurRec
,
1050 MultiClass
*CurMultiClass
) {
1051 std::vector
<Init
*> NewOperands
;
1053 TypedInit
*TArg
= dyn_cast
<TypedInit
>(Arg
);
1055 // If this is a dag, recurse
1056 if (TArg
&& TArg
->getType()->getAsString() == "dag") {
1057 Init
*Result
= ForeachHelper(LHS
, Arg
, RHSo
, Type
,
1058 CurRec
, CurMultiClass
);
1062 for (int i
= 0; i
< RHSo
->getNumOperands(); ++i
) {
1063 OpInit
*RHSoo
= dyn_cast
<OpInit
>(RHSo
->getOperand(i
));
1066 Init
*Result
= EvaluateOperation(RHSoo
, LHS
, Arg
,
1067 Type
, CurRec
, CurMultiClass
);
1069 NewOperands
.push_back(Result
);
1071 NewOperands
.push_back(Arg
);
1073 } else if (LHS
->getAsString() == RHSo
->getOperand(i
)->getAsString()) {
1074 NewOperands
.push_back(Arg
);
1076 NewOperands
.push_back(RHSo
->getOperand(i
));
1080 // Now run the operator and use its result as the new leaf
1081 const OpInit
*NewOp
= RHSo
->clone(NewOperands
);
1082 Init
*NewVal
= NewOp
->Fold(CurRec
, CurMultiClass
);
1083 return (NewVal
!= NewOp
) ? NewVal
: nullptr;
1086 static Init
*ForeachHelper(Init
*LHS
, Init
*MHS
, Init
*RHS
, RecTy
*Type
,
1087 Record
*CurRec
, MultiClass
*CurMultiClass
) {
1088 DagInit
*MHSd
= dyn_cast
<DagInit
>(MHS
);
1089 ListInit
*MHSl
= dyn_cast
<ListInit
>(MHS
);
1091 OpInit
*RHSo
= dyn_cast
<OpInit
>(RHS
);
1094 PrintFatalError(CurRec
->getLoc(), "!foreach requires an operator\n");
1097 TypedInit
*LHSt
= dyn_cast
<TypedInit
>(LHS
);
1100 PrintFatalError(CurRec
->getLoc(), "!foreach requires typed variable\n");
1102 if ((MHSd
&& isa
<DagRecTy
>(Type
)) || (MHSl
&& isa
<ListRecTy
>(Type
))) {
1104 Init
*Val
= MHSd
->getOperator();
1105 Init
*Result
= EvaluateOperation(RHSo
, LHS
, Val
,
1106 Type
, CurRec
, CurMultiClass
);
1111 std::vector
<std::pair
<Init
*, std::string
> > args
;
1112 for (unsigned int i
= 0; i
< MHSd
->getNumArgs(); ++i
) {
1114 std::string ArgName
;
1115 Arg
= MHSd
->getArg(i
);
1116 ArgName
= MHSd
->getArgName(i
);
1119 Init
*Result
= EvaluateOperation(RHSo
, LHS
, Arg
, Type
,
1120 CurRec
, CurMultiClass
);
1125 // TODO: Process arg names
1126 args
.push_back(std::make_pair(Arg
, ArgName
));
1129 return DagInit::get(Val
, "", args
);
1132 std::vector
<Init
*> NewOperands
;
1133 std::vector
<Init
*> NewList(MHSl
->begin(), MHSl
->end());
1135 for (std::vector
<Init
*>::iterator li
= NewList
.begin(),
1136 liend
= NewList
.end();
1140 NewOperands
.clear();
1141 for(int i
= 0; i
< RHSo
->getNumOperands(); ++i
) {
1142 // First, replace the foreach variable with the list item
1143 if (LHS
->getAsString() == RHSo
->getOperand(i
)->getAsString()) {
1144 NewOperands
.push_back(Item
);
1146 NewOperands
.push_back(RHSo
->getOperand(i
));
1150 // Now run the operator and use its result as the new list item
1151 const OpInit
*NewOp
= RHSo
->clone(NewOperands
);
1152 Init
*NewItem
= NewOp
->Fold(CurRec
, CurMultiClass
);
1153 if (NewItem
!= NewOp
)
1156 return ListInit::get(NewList
, MHSl
->getType());
1162 Init
*TernOpInit::Fold(Record
*CurRec
, MultiClass
*CurMultiClass
) const {
1163 switch (getOpcode()) {
1165 DefInit
*LHSd
= dyn_cast
<DefInit
>(LHS
);
1166 VarInit
*LHSv
= dyn_cast
<VarInit
>(LHS
);
1167 StringInit
*LHSs
= dyn_cast
<StringInit
>(LHS
);
1169 DefInit
*MHSd
= dyn_cast
<DefInit
>(MHS
);
1170 VarInit
*MHSv
= dyn_cast
<VarInit
>(MHS
);
1171 StringInit
*MHSs
= dyn_cast
<StringInit
>(MHS
);
1173 DefInit
*RHSd
= dyn_cast
<DefInit
>(RHS
);
1174 VarInit
*RHSv
= dyn_cast
<VarInit
>(RHS
);
1175 StringInit
*RHSs
= dyn_cast
<StringInit
>(RHS
);
1177 if ((LHSd
&& MHSd
&& RHSd
)
1178 || (LHSv
&& MHSv
&& RHSv
)
1179 || (LHSs
&& MHSs
&& RHSs
)) {
1181 Record
*Val
= RHSd
->getDef();
1182 if (LHSd
->getAsString() == RHSd
->getAsString()) {
1183 Val
= MHSd
->getDef();
1185 return DefInit::get(Val
);
1188 std::string Val
= RHSv
->getName();
1189 if (LHSv
->getAsString() == RHSv
->getAsString()) {
1190 Val
= MHSv
->getName();
1192 return VarInit::get(Val
, getType());
1195 std::string Val
= RHSs
->getValue();
1197 std::string::size_type found
;
1198 std::string::size_type idx
= 0;
1200 found
= Val
.find(LHSs
->getValue(), idx
);
1201 if (found
!= std::string::npos
) {
1202 Val
.replace(found
, LHSs
->getValue().size(), MHSs
->getValue());
1204 idx
= found
+ MHSs
->getValue().size();
1205 } while (found
!= std::string::npos
);
1207 return StringInit::get(Val
);
1214 Init
*Result
= ForeachHelper(LHS
, MHS
, RHS
, getType(),
1215 CurRec
, CurMultiClass
);
1223 IntInit
*LHSi
= dyn_cast
<IntInit
>(LHS
);
1224 if (Init
*I
= LHS
->convertInitializerTo(IntRecTy::get()))
1225 LHSi
= dyn_cast
<IntInit
>(I
);
1227 if (LHSi
->getValue()) {
1237 return const_cast<TernOpInit
*>(this);
1240 Init
*TernOpInit::resolveReferences(Record
&R
,
1241 const RecordVal
*RV
) const {
1242 Init
*lhs
= LHS
->resolveReferences(R
, RV
);
1244 if (Opc
== IF
&& lhs
!= LHS
) {
1245 IntInit
*Value
= dyn_cast
<IntInit
>(lhs
);
1246 if (Init
*I
= lhs
->convertInitializerTo(IntRecTy::get()))
1247 Value
= dyn_cast
<IntInit
>(I
);
1250 if (Value
->getValue()) {
1251 Init
*mhs
= MHS
->resolveReferences(R
, RV
);
1252 return (TernOpInit::get(getOpcode(), lhs
, mhs
,
1253 RHS
, getType()))->Fold(&R
, nullptr);
1255 Init
*rhs
= RHS
->resolveReferences(R
, RV
);
1256 return (TernOpInit::get(getOpcode(), lhs
, MHS
,
1257 rhs
, getType()))->Fold(&R
, nullptr);
1262 Init
*mhs
= MHS
->resolveReferences(R
, RV
);
1263 Init
*rhs
= RHS
->resolveReferences(R
, RV
);
1265 if (LHS
!= lhs
|| MHS
!= mhs
|| RHS
!= rhs
)
1266 return (TernOpInit::get(getOpcode(), lhs
, mhs
, rhs
,
1267 getType()))->Fold(&R
, nullptr);
1268 return Fold(&R
, nullptr);
1271 std::string
TernOpInit::getAsString() const {
1274 case SUBST
: Result
= "!subst"; break;
1275 case FOREACH
: Result
= "!foreach"; break;
1276 case IF
: Result
= "!if"; break;
1278 return Result
+ "(" + LHS
->getAsString() + ", " + MHS
->getAsString() + ", "
1279 + RHS
->getAsString() + ")";
1282 RecTy
*TypedInit::getFieldType(const std::string
&FieldName
) const {
1283 if (RecordRecTy
*RecordType
= dyn_cast
<RecordRecTy
>(getType()))
1284 if (RecordVal
*Field
= RecordType
->getRecord()->getValue(FieldName
))
1285 return Field
->getType();
1290 TypedInit::convertInitializerBitRange(const std::vector
<unsigned> &Bits
) const {
1291 BitsRecTy
*T
= dyn_cast
<BitsRecTy
>(getType());
1292 if (!T
) return nullptr; // Cannot subscript a non-bits variable.
1293 unsigned NumBits
= T
->getNumBits();
1295 SmallVector
<Init
*, 16> NewBits(Bits
.size());
1296 for (unsigned i
= 0, e
= Bits
.size(); i
!= e
; ++i
) {
1297 if (Bits
[i
] >= NumBits
)
1300 NewBits
[i
] = VarBitInit::get(const_cast<TypedInit
*>(this), Bits
[i
]);
1302 return BitsInit::get(NewBits
);
1306 TypedInit::convertInitListSlice(const std::vector
<unsigned> &Elements
) const {
1307 ListRecTy
*T
= dyn_cast
<ListRecTy
>(getType());
1308 if (!T
) return nullptr; // Cannot subscript a non-list variable.
1310 if (Elements
.size() == 1)
1311 return VarListElementInit::get(const_cast<TypedInit
*>(this), Elements
[0]);
1313 std::vector
<Init
*> ListInits
;
1314 ListInits
.reserve(Elements
.size());
1315 for (unsigned i
= 0, e
= Elements
.size(); i
!= e
; ++i
)
1316 ListInits
.push_back(VarListElementInit::get(const_cast<TypedInit
*>(this),
1318 return ListInit::get(ListInits
, T
);
1322 VarInit
*VarInit::get(const std::string
&VN
, RecTy
*T
) {
1323 Init
*Value
= StringInit::get(VN
);
1324 return VarInit::get(Value
, T
);
1327 VarInit
*VarInit::get(Init
*VN
, RecTy
*T
) {
1328 typedef std::pair
<RecTy
*, Init
*> Key
;
1329 static Pool
<DenseMap
<Key
, VarInit
*> > ThePool
;
1331 Key
TheKey(std::make_pair(T
, VN
));
1333 VarInit
*&I
= ThePool
[TheKey
];
1334 if (!I
) I
= new VarInit(VN
, T
);
1338 const std::string
&VarInit::getName() const {
1339 StringInit
*NameString
= dyn_cast
<StringInit
>(getNameInit());
1340 assert(NameString
&& "VarInit name is not a string!");
1341 return NameString
->getValue();
1344 Init
*VarInit::getBit(unsigned Bit
) const {
1345 if (getType() == BitRecTy::get())
1346 return const_cast<VarInit
*>(this);
1347 return VarBitInit::get(const_cast<VarInit
*>(this), Bit
);
1350 Init
*VarInit::resolveListElementReference(Record
&R
,
1351 const RecordVal
*IRV
,
1352 unsigned Elt
) const {
1353 if (R
.isTemplateArg(getNameInit())) return nullptr;
1354 if (IRV
&& IRV
->getNameInit() != getNameInit()) return nullptr;
1356 RecordVal
*RV
= R
.getValue(getNameInit());
1357 assert(RV
&& "Reference to a non-existent variable?");
1358 ListInit
*LI
= dyn_cast
<ListInit
>(RV
->getValue());
1360 TypedInit
*VI
= dyn_cast
<TypedInit
>(RV
->getValue());
1361 assert(VI
&& "Invalid list element!");
1362 return VarListElementInit::get(VI
, Elt
);
1365 if (Elt
>= LI
->getSize())
1366 return nullptr; // Out of range reference.
1367 Init
*E
= LI
->getElement(Elt
);
1368 // If the element is set to some value, or if we are resolving a reference
1369 // to a specific variable and that variable is explicitly unset, then
1370 // replace the VarListElementInit with it.
1371 if (IRV
|| !isa
<UnsetInit
>(E
))
1377 RecTy
*VarInit::getFieldType(const std::string
&FieldName
) const {
1378 if (RecordRecTy
*RTy
= dyn_cast
<RecordRecTy
>(getType()))
1379 if (const RecordVal
*RV
= RTy
->getRecord()->getValue(FieldName
))
1380 return RV
->getType();
1384 Init
*VarInit::getFieldInit(Record
&R
, const RecordVal
*RV
,
1385 const std::string
&FieldName
) const {
1386 if (isa
<RecordRecTy
>(getType()))
1387 if (const RecordVal
*Val
= R
.getValue(VarName
)) {
1388 if (RV
!= Val
&& (RV
|| isa
<UnsetInit
>(Val
->getValue())))
1390 Init
*TheInit
= Val
->getValue();
1391 assert(TheInit
!= this && "Infinite loop detected!");
1392 if (Init
*I
= TheInit
->getFieldInit(R
, RV
, FieldName
))
1400 /// resolveReferences - This method is used by classes that refer to other
1401 /// variables which may not be defined at the time the expression is formed.
1402 /// If a value is set for the variable later, this method will be called on
1403 /// users of the value to allow the value to propagate out.
1405 Init
*VarInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
1406 if (RecordVal
*Val
= R
.getValue(VarName
))
1407 if (RV
== Val
|| (!RV
&& !isa
<UnsetInit
>(Val
->getValue())))
1408 return Val
->getValue();
1409 return const_cast<VarInit
*>(this);
1412 VarBitInit
*VarBitInit::get(TypedInit
*T
, unsigned B
) {
1413 typedef std::pair
<TypedInit
*, unsigned> Key
;
1414 typedef DenseMap
<Key
, VarBitInit
*> Pool
;
1416 static Pool ThePool
;
1418 Key
TheKey(std::make_pair(T
, B
));
1420 VarBitInit
*&I
= ThePool
[TheKey
];
1421 if (!I
) I
= new VarBitInit(T
, B
);
1425 std::string
VarBitInit::getAsString() const {
1426 return TI
->getAsString() + "{" + utostr(Bit
) + "}";
1429 Init
*VarBitInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
1430 Init
*I
= TI
->resolveReferences(R
, RV
);
1432 return I
->getBit(getBitNum());
1434 return const_cast<VarBitInit
*>(this);
1437 VarListElementInit
*VarListElementInit::get(TypedInit
*T
,
1439 typedef std::pair
<TypedInit
*, unsigned> Key
;
1440 typedef DenseMap
<Key
, VarListElementInit
*> Pool
;
1442 static Pool ThePool
;
1444 Key
TheKey(std::make_pair(T
, E
));
1446 VarListElementInit
*&I
= ThePool
[TheKey
];
1447 if (!I
) I
= new VarListElementInit(T
, E
);
1451 std::string
VarListElementInit::getAsString() const {
1452 return TI
->getAsString() + "[" + utostr(Element
) + "]";
1456 VarListElementInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
1457 if (Init
*I
= getVariable()->resolveListElementReference(R
, RV
,
1460 return const_cast<VarListElementInit
*>(this);
1463 Init
*VarListElementInit::getBit(unsigned Bit
) const {
1464 if (getType() == BitRecTy::get())
1465 return const_cast<VarListElementInit
*>(this);
1466 return VarBitInit::get(const_cast<VarListElementInit
*>(this), Bit
);
1469 Init
*VarListElementInit:: resolveListElementReference(Record
&R
,
1470 const RecordVal
*RV
,
1471 unsigned Elt
) const {
1472 Init
*Result
= TI
->resolveListElementReference(R
, RV
, Element
);
1475 if (TypedInit
*TInit
= dyn_cast
<TypedInit
>(Result
)) {
1476 Init
*Result2
= TInit
->resolveListElementReference(R
, RV
, Elt
);
1477 if (Result2
) return Result2
;
1478 return new VarListElementInit(TInit
, Elt
);
1486 DefInit
*DefInit::get(Record
*R
) {
1487 return R
->getDefInit();
1490 RecTy
*DefInit::getFieldType(const std::string
&FieldName
) const {
1491 if (const RecordVal
*RV
= Def
->getValue(FieldName
))
1492 return RV
->getType();
1496 Init
*DefInit::getFieldInit(Record
&R
, const RecordVal
*RV
,
1497 const std::string
&FieldName
) const {
1498 return Def
->getValue(FieldName
)->getValue();
1502 std::string
DefInit::getAsString() const {
1503 return Def
->getName();
1506 FieldInit
*FieldInit::get(Init
*R
, const std::string
&FN
) {
1507 typedef std::pair
<Init
*, TableGenStringKey
> Key
;
1508 typedef DenseMap
<Key
, FieldInit
*> Pool
;
1509 static Pool ThePool
;
1511 Key
TheKey(std::make_pair(R
, FN
));
1513 FieldInit
*&I
= ThePool
[TheKey
];
1514 if (!I
) I
= new FieldInit(R
, FN
);
1518 Init
*FieldInit::getBit(unsigned Bit
) const {
1519 if (getType() == BitRecTy::get())
1520 return const_cast<FieldInit
*>(this);
1521 return VarBitInit::get(const_cast<FieldInit
*>(this), Bit
);
1524 Init
*FieldInit::resolveListElementReference(Record
&R
, const RecordVal
*RV
,
1525 unsigned Elt
) const {
1526 if (Init
*ListVal
= Rec
->getFieldInit(R
, RV
, FieldName
))
1527 if (ListInit
*LI
= dyn_cast
<ListInit
>(ListVal
)) {
1528 if (Elt
>= LI
->getSize()) return nullptr;
1529 Init
*E
= LI
->getElement(Elt
);
1531 // If the element is set to some value, or if we are resolving a
1532 // reference to a specific variable and that variable is explicitly
1533 // unset, then replace the VarListElementInit with it.
1534 if (RV
|| !isa
<UnsetInit
>(E
))
1540 Init
*FieldInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
1541 Init
*NewRec
= RV
? Rec
->resolveReferences(R
, RV
) : Rec
;
1543 Init
*BitsVal
= NewRec
->getFieldInit(R
, RV
, FieldName
);
1545 Init
*BVR
= BitsVal
->resolveReferences(R
, RV
);
1546 return BVR
->isComplete() ? BVR
: const_cast<FieldInit
*>(this);
1549 if (NewRec
!= Rec
) {
1550 return FieldInit::get(NewRec
, FieldName
);
1552 return const_cast<FieldInit
*>(this);
1555 static void ProfileDagInit(FoldingSetNodeID
&ID
, Init
*V
, const std::string
&VN
,
1556 ArrayRef
<Init
*> ArgRange
,
1557 ArrayRef
<std::string
> NameRange
) {
1561 ArrayRef
<Init
*>::iterator Arg
= ArgRange
.begin();
1562 ArrayRef
<std::string
>::iterator Name
= NameRange
.begin();
1563 while (Arg
!= ArgRange
.end()) {
1564 assert(Name
!= NameRange
.end() && "Arg name underflow!");
1565 ID
.AddPointer(*Arg
++);
1566 ID
.AddString(*Name
++);
1568 assert(Name
== NameRange
.end() && "Arg name overflow!");
1572 DagInit::get(Init
*V
, const std::string
&VN
,
1573 ArrayRef
<Init
*> ArgRange
,
1574 ArrayRef
<std::string
> NameRange
) {
1575 typedef FoldingSet
<DagInit
> Pool
;
1576 static Pool ThePool
;
1578 FoldingSetNodeID ID
;
1579 ProfileDagInit(ID
, V
, VN
, ArgRange
, NameRange
);
1582 if (DagInit
*I
= ThePool
.FindNodeOrInsertPos(ID
, IP
))
1585 DagInit
*I
= new DagInit(V
, VN
, ArgRange
, NameRange
);
1586 ThePool
.InsertNode(I
, IP
);
1592 DagInit::get(Init
*V
, const std::string
&VN
,
1593 const std::vector
<std::pair
<Init
*, std::string
> > &args
) {
1594 typedef std::pair
<Init
*, std::string
> PairType
;
1596 std::vector
<Init
*> Args
;
1597 std::vector
<std::string
> Names
;
1599 for (std::vector
<PairType
>::const_iterator i
= args
.begin(),
1603 Args
.push_back(i
->first
);
1604 Names
.push_back(i
->second
);
1607 return DagInit::get(V
, VN
, Args
, Names
);
1610 void DagInit::Profile(FoldingSetNodeID
&ID
) const {
1611 ProfileDagInit(ID
, Val
, ValName
, Args
, ArgNames
);
1614 Init
*DagInit::resolveReferences(Record
&R
, const RecordVal
*RV
) const {
1615 std::vector
<Init
*> NewArgs
;
1616 for (unsigned i
= 0, e
= Args
.size(); i
!= e
; ++i
)
1617 NewArgs
.push_back(Args
[i
]->resolveReferences(R
, RV
));
1619 Init
*Op
= Val
->resolveReferences(R
, RV
);
1621 if (Args
!= NewArgs
|| Op
!= Val
)
1622 return DagInit::get(Op
, ValName
, NewArgs
, ArgNames
);
1624 return const_cast<DagInit
*>(this);
1628 std::string
DagInit::getAsString() const {
1629 std::string Result
= "(" + Val
->getAsString();
1630 if (!ValName
.empty())
1631 Result
+= ":" + ValName
;
1633 Result
+= " " + Args
[0]->getAsString();
1634 if (!ArgNames
[0].empty()) Result
+= ":$" + ArgNames
[0];
1635 for (unsigned i
= 1, e
= Args
.size(); i
!= e
; ++i
) {
1636 Result
+= ", " + Args
[i
]->getAsString();
1637 if (!ArgNames
[i
].empty()) Result
+= ":$" + ArgNames
[i
];
1640 return Result
+ ")";
1644 //===----------------------------------------------------------------------===//
1645 // Other implementations
1646 //===----------------------------------------------------------------------===//
1648 RecordVal::RecordVal(Init
*N
, RecTy
*T
, unsigned P
)
1649 : Name(N
), Ty(T
), Prefix(P
) {
1650 Value
= Ty
->convertValue(UnsetInit::get());
1651 assert(Value
&& "Cannot create unset value for current type!");
1654 RecordVal::RecordVal(const std::string
&N
, RecTy
*T
, unsigned P
)
1655 : Name(StringInit::get(N
)), Ty(T
), Prefix(P
) {
1656 Value
= Ty
->convertValue(UnsetInit::get());
1657 assert(Value
&& "Cannot create unset value for current type!");
1660 const std::string
&RecordVal::getName() const {
1661 StringInit
*NameString
= dyn_cast
<StringInit
>(Name
);
1662 assert(NameString
&& "RecordVal name is not a string!");
1663 return NameString
->getValue();
1666 void RecordVal::dump() const { errs() << *this; }
1668 void RecordVal::print(raw_ostream
&OS
, bool PrintSem
) const {
1669 if (getPrefix()) OS
<< "field ";
1670 OS
<< *getType() << " " << getNameInitAsString();
1673 OS
<< " = " << *getValue();
1675 if (PrintSem
) OS
<< ";\n";
1678 unsigned Record::LastID
= 0;
1680 void Record::init() {
1683 // Every record potentially has a def at the top. This value is
1684 // replaced with the top-level def name at instantiation time.
1685 RecordVal
DN("NAME", StringRecTy::get(), 0);
1689 void Record::checkName() {
1690 // Ensure the record name has string type.
1691 const TypedInit
*TypedName
= dyn_cast
<const TypedInit
>(Name
);
1692 assert(TypedName
&& "Record name is not typed!");
1693 RecTy
*Type
= TypedName
->getType();
1694 if (!isa
<StringRecTy
>(Type
))
1695 PrintFatalError(getLoc(), "Record name is not a string!");
1698 DefInit
*Record::getDefInit() {
1700 TheInit
= new DefInit(this, new RecordRecTy(this));
1704 const std::string
&Record::getName() const {
1705 const StringInit
*NameString
= dyn_cast
<StringInit
>(Name
);
1706 assert(NameString
&& "Record name is not a string!");
1707 return NameString
->getValue();
1710 void Record::setName(Init
*NewName
) {
1713 // DO NOT resolve record values to the name at this point because
1714 // there might be default values for arguments of this def. Those
1715 // arguments might not have been resolved yet so we don't want to
1716 // prematurely assume values for those arguments were not passed to
1719 // Nonetheless, it may be that some of this Record's values
1720 // reference the record name. Indeed, the reason for having the
1721 // record name be an Init is to provide this flexibility. The extra
1722 // resolve steps after completely instantiating defs takes care of
1723 // this. See TGParser::ParseDef and TGParser::ParseDefm.
1726 void Record::setName(const std::string
&Name
) {
1727 setName(StringInit::get(Name
));
1730 /// resolveReferencesTo - If anything in this record refers to RV, replace the
1731 /// reference to RV with the RHS of RV. If RV is null, we resolve all possible
1733 void Record::resolveReferencesTo(const RecordVal
*RV
) {
1734 for (unsigned i
= 0, e
= Values
.size(); i
!= e
; ++i
) {
1735 if (RV
== &Values
[i
]) // Skip resolve the same field as the given one
1737 if (Init
*V
= Values
[i
].getValue())
1738 if (Values
[i
].setValue(V
->resolveReferences(*this, RV
)))
1739 PrintFatalError(getLoc(), "Invalid value is found when setting '"
1740 + Values
[i
].getNameInitAsString()
1741 + "' after resolving references"
1742 + (RV
? " against '" + RV
->getNameInitAsString()
1744 + RV
->getValue()->getAsUnquotedString() + ")"
1748 Init
*OldName
= getNameInit();
1749 Init
*NewName
= Name
->resolveReferences(*this, RV
);
1750 if (NewName
!= OldName
) {
1751 // Re-register with RecordKeeper.
1756 void Record::dump() const { errs() << *this; }
1758 raw_ostream
&llvm::operator<<(raw_ostream
&OS
, const Record
&R
) {
1759 OS
<< R
.getNameInitAsString();
1761 const std::vector
<Init
*> &TArgs
= R
.getTemplateArgs();
1762 if (!TArgs
.empty()) {
1764 for (unsigned i
= 0, e
= TArgs
.size(); i
!= e
; ++i
) {
1766 const RecordVal
*RV
= R
.getValue(TArgs
[i
]);
1767 assert(RV
&& "Template argument record not found??");
1768 RV
->print(OS
, false);
1774 const std::vector
<Record
*> &SC
= R
.getSuperClasses();
1777 for (unsigned i
= 0, e
= SC
.size(); i
!= e
; ++i
)
1778 OS
<< " " << SC
[i
]->getNameInitAsString();
1782 const std::vector
<RecordVal
> &Vals
= R
.getValues();
1783 for (unsigned i
= 0, e
= Vals
.size(); i
!= e
; ++i
)
1784 if (Vals
[i
].getPrefix() && !R
.isTemplateArg(Vals
[i
].getName()))
1786 for (unsigned i
= 0, e
= Vals
.size(); i
!= e
; ++i
)
1787 if (!Vals
[i
].getPrefix() && !R
.isTemplateArg(Vals
[i
].getName()))
1793 /// getValueInit - Return the initializer for a value with the specified name,
1794 /// or abort if the field does not exist.
1796 Init
*Record::getValueInit(StringRef FieldName
) const {
1797 const RecordVal
*R
= getValue(FieldName
);
1798 if (!R
|| !R
->getValue())
1799 PrintFatalError(getLoc(), "Record `" + getName() +
1800 "' does not have a field named `" + FieldName
+ "'!\n");
1801 return R
->getValue();
1805 /// getValueAsString - This method looks up the specified field and returns its
1806 /// value as a string, aborts if the field does not exist or if
1807 /// the value is not a string.
1809 std::string
Record::getValueAsString(StringRef FieldName
) const {
1810 const RecordVal
*R
= getValue(FieldName
);
1811 if (!R
|| !R
->getValue())
1812 PrintFatalError(getLoc(), "Record `" + getName() +
1813 "' does not have a field named `" + FieldName
+ "'!\n");
1815 if (StringInit
*SI
= dyn_cast
<StringInit
>(R
->getValue()))
1816 return SI
->getValue();
1817 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1818 FieldName
+ "' does not have a string initializer!");
1821 /// getValueAsBitsInit - This method looks up the specified field and returns
1822 /// its value as a BitsInit, aborts if the field does not exist or if
1823 /// the value is not the right type.
1825 BitsInit
*Record::getValueAsBitsInit(StringRef FieldName
) const {
1826 const RecordVal
*R
= getValue(FieldName
);
1827 if (!R
|| !R
->getValue())
1828 PrintFatalError(getLoc(), "Record `" + getName() +
1829 "' does not have a field named `" + FieldName
+ "'!\n");
1831 if (BitsInit
*BI
= dyn_cast
<BitsInit
>(R
->getValue()))
1833 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1834 FieldName
+ "' does not have a BitsInit initializer!");
1837 /// getValueAsListInit - This method looks up the specified field and returns
1838 /// its value as a ListInit, aborting if the field does not exist or if
1839 /// the value is not the right type.
1841 ListInit
*Record::getValueAsListInit(StringRef FieldName
) const {
1842 const RecordVal
*R
= getValue(FieldName
);
1843 if (!R
|| !R
->getValue())
1844 PrintFatalError(getLoc(), "Record `" + getName() +
1845 "' does not have a field named `" + FieldName
+ "'!\n");
1847 if (ListInit
*LI
= dyn_cast
<ListInit
>(R
->getValue()))
1849 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1850 FieldName
+ "' does not have a list initializer!");
1853 /// getValueAsListOfDefs - This method looks up the specified field and returns
1854 /// its value as a vector of records, aborting if the field does not exist
1855 /// or if the value is not the right type.
1857 std::vector
<Record
*>
1858 Record::getValueAsListOfDefs(StringRef FieldName
) const {
1859 ListInit
*List
= getValueAsListInit(FieldName
);
1860 std::vector
<Record
*> Defs
;
1861 for (unsigned i
= 0; i
< List
->getSize(); i
++) {
1862 if (DefInit
*DI
= dyn_cast
<DefInit
>(List
->getElement(i
))) {
1863 Defs
.push_back(DI
->getDef());
1865 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1866 FieldName
+ "' list is not entirely DefInit!");
1872 /// getValueAsInt - This method looks up the specified field and returns its
1873 /// value as an int64_t, aborting if the field does not exist or if the value
1874 /// is not the right type.
1876 int64_t Record::getValueAsInt(StringRef FieldName
) const {
1877 const RecordVal
*R
= getValue(FieldName
);
1878 if (!R
|| !R
->getValue())
1879 PrintFatalError(getLoc(), "Record `" + getName() +
1880 "' does not have a field named `" + FieldName
+ "'!\n");
1882 if (IntInit
*II
= dyn_cast
<IntInit
>(R
->getValue()))
1883 return II
->getValue();
1884 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1885 FieldName
+ "' does not have an int initializer!");
1888 /// getValueAsListOfInts - This method looks up the specified field and returns
1889 /// its value as a vector of integers, aborting if the field does not exist or
1890 /// if the value is not the right type.
1892 std::vector
<int64_t>
1893 Record::getValueAsListOfInts(StringRef FieldName
) const {
1894 ListInit
*List
= getValueAsListInit(FieldName
);
1895 std::vector
<int64_t> Ints
;
1896 for (unsigned i
= 0; i
< List
->getSize(); i
++) {
1897 if (IntInit
*II
= dyn_cast
<IntInit
>(List
->getElement(i
))) {
1898 Ints
.push_back(II
->getValue());
1900 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1901 FieldName
+ "' does not have a list of ints initializer!");
1907 /// getValueAsListOfStrings - This method looks up the specified field and
1908 /// returns its value as a vector of strings, aborting if the field does not
1909 /// exist or if the value is not the right type.
1911 std::vector
<std::string
>
1912 Record::getValueAsListOfStrings(StringRef FieldName
) const {
1913 ListInit
*List
= getValueAsListInit(FieldName
);
1914 std::vector
<std::string
> Strings
;
1915 for (unsigned i
= 0; i
< List
->getSize(); i
++) {
1916 if (StringInit
*II
= dyn_cast
<StringInit
>(List
->getElement(i
))) {
1917 Strings
.push_back(II
->getValue());
1919 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1920 FieldName
+ "' does not have a list of strings initializer!");
1926 /// getValueAsDef - This method looks up the specified field and returns its
1927 /// value as a Record, aborting if the field does not exist or if the value
1928 /// is not the right type.
1930 Record
*Record::getValueAsDef(StringRef FieldName
) const {
1931 const RecordVal
*R
= getValue(FieldName
);
1932 if (!R
|| !R
->getValue())
1933 PrintFatalError(getLoc(), "Record `" + getName() +
1934 "' does not have a field named `" + FieldName
+ "'!\n");
1936 if (DefInit
*DI
= dyn_cast
<DefInit
>(R
->getValue()))
1937 return DI
->getDef();
1938 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1939 FieldName
+ "' does not have a def initializer!");
1942 /// getValueAsBit - This method looks up the specified field and returns its
1943 /// value as a bit, aborting if the field does not exist or if the value is
1944 /// not the right type.
1946 bool Record::getValueAsBit(StringRef FieldName
) const {
1947 const RecordVal
*R
= getValue(FieldName
);
1948 if (!R
|| !R
->getValue())
1949 PrintFatalError(getLoc(), "Record `" + getName() +
1950 "' does not have a field named `" + FieldName
+ "'!\n");
1952 if (BitInit
*BI
= dyn_cast
<BitInit
>(R
->getValue()))
1953 return BI
->getValue();
1954 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1955 FieldName
+ "' does not have a bit initializer!");
1958 bool Record::getValueAsBitOrUnset(StringRef FieldName
, bool &Unset
) const {
1959 const RecordVal
*R
= getValue(FieldName
);
1960 if (!R
|| !R
->getValue())
1961 PrintFatalError(getLoc(), "Record `" + getName() +
1962 "' does not have a field named `" + FieldName
.str() + "'!\n");
1964 if (R
->getValue() == UnsetInit::get()) {
1969 if (BitInit
*BI
= dyn_cast
<BitInit
>(R
->getValue()))
1970 return BI
->getValue();
1971 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1972 FieldName
+ "' does not have a bit initializer!");
1975 /// getValueAsDag - This method looks up the specified field and returns its
1976 /// value as an Dag, aborting if the field does not exist or if the value is
1977 /// not the right type.
1979 DagInit
*Record::getValueAsDag(StringRef FieldName
) const {
1980 const RecordVal
*R
= getValue(FieldName
);
1981 if (!R
|| !R
->getValue())
1982 PrintFatalError(getLoc(), "Record `" + getName() +
1983 "' does not have a field named `" + FieldName
+ "'!\n");
1985 if (DagInit
*DI
= dyn_cast
<DagInit
>(R
->getValue()))
1987 PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
1988 FieldName
+ "' does not have a dag initializer!");
1992 void MultiClass::dump() const {
1993 errs() << "Record:\n";
1996 errs() << "Defs:\n";
1997 for (RecordVector::const_iterator r
= DefPrototypes
.begin(),
1998 rend
= DefPrototypes
.end();
2006 void RecordKeeper::dump() const { errs() << *this; }
2008 raw_ostream
&llvm::operator<<(raw_ostream
&OS
, const RecordKeeper
&RK
) {
2009 OS
<< "------------- Classes -----------------\n";
2010 const auto &Classes
= RK
.getClasses();
2011 for (const auto &C
: Classes
)
2012 OS
<< "class " << *C
.second
;
2014 OS
<< "------------- Defs -----------------\n";
2015 const auto &Defs
= RK
.getDefs();
2016 for (const auto &D
: Defs
)
2017 OS
<< "def " << *D
.second
;
2022 /// getAllDerivedDefinitions - This method returns all concrete definitions
2023 /// that derive from the specified class name. If a class with the specified
2024 /// name does not exist, an error is printed and true is returned.
2025 std::vector
<Record
*>
2026 RecordKeeper::getAllDerivedDefinitions(const std::string
&ClassName
) const {
2027 Record
*Class
= getClass(ClassName
);
2029 PrintFatalError("ERROR: Couldn't find the `" + ClassName
+ "' class!\n");
2031 std::vector
<Record
*> Defs
;
2032 for (const auto &D
: getDefs())
2033 if (D
.second
->isSubClassOf(Class
))
2034 Defs
.push_back(D
.second
.get());
2039 /// QualifyName - Return an Init with a qualifier prefix referring
2040 /// to CurRec's name.
2041 Init
*llvm::QualifyName(Record
&CurRec
, MultiClass
*CurMultiClass
,
2042 Init
*Name
, const std::string
&Scoper
) {
2043 RecTy
*Type
= dyn_cast
<TypedInit
>(Name
)->getType();
2045 BinOpInit
*NewName
=
2046 BinOpInit::get(BinOpInit::STRCONCAT
,
2047 BinOpInit::get(BinOpInit::STRCONCAT
,
2048 CurRec
.getNameInit(),
2049 StringInit::get(Scoper
),
2050 Type
)->Fold(&CurRec
, CurMultiClass
),
2054 if (CurMultiClass
&& Scoper
!= "::") {
2056 BinOpInit::get(BinOpInit::STRCONCAT
,
2057 BinOpInit::get(BinOpInit::STRCONCAT
,
2058 CurMultiClass
->Rec
.getNameInit(),
2059 StringInit::get("::"),
2060 Type
)->Fold(&CurRec
, CurMultiClass
),
2061 NewName
->Fold(&CurRec
, CurMultiClass
),
2065 return NewName
->Fold(&CurRec
, CurMultiClass
);
2068 /// QualifyName - Return an Init with a qualifier prefix referring
2069 /// to CurRec's name.
2070 Init
*llvm::QualifyName(Record
&CurRec
, MultiClass
*CurMultiClass
,
2071 const std::string
&Name
,
2072 const std::string
&Scoper
) {
2073 return QualifyName(CurRec
, CurMultiClass
, StringInit::get(Name
), Scoper
);