1 //===- llvm/TableGen/Record.h - Classes for Table Records -------*- C++ -*-===//
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 // This file defines the main TableGen data structures, including the TableGen
11 // types, values, and high-level data structures.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_TABLEGEN_RECORD_H
16 #define LLVM_TABLEGEN_RECORD_H
18 #include "llvm/ADT/ArrayRef.h"
19 #include "llvm/ADT/FoldingSet.h"
20 #include "llvm/ADT/PointerIntPair.h"
21 #include "llvm/Support/Casting.h"
22 #include "llvm/Support/DataTypes.h"
23 #include "llvm/Support/ErrorHandling.h"
24 #include "llvm/Support/SMLoc.h"
25 #include "llvm/Support/raw_ostream.h"
36 //===----------------------------------------------------------------------===//
38 //===----------------------------------------------------------------------===//
42 /// \brief Subclass discriminator (for dyn_cast<> et al.)
55 std::unique_ptr<ListRecTy> ListTy;
58 RecTyKind getRecTyKind() const { return Kind; }
60 RecTy(RecTyKind K) : Kind(K) {}
63 virtual std::string getAsString() const = 0;
64 void print(raw_ostream &OS) const { OS << getAsString(); }
67 /// typeIsConvertibleTo - Return true if all values of 'this' type can be
68 /// converted to the specified type.
69 virtual bool typeIsConvertibleTo(const RecTy *RHS) const;
71 /// getListTy - Returns the type representing list<this>.
72 ListRecTy *getListTy();
75 inline raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
80 /// BitRecTy - 'bit' - Represent a single bit
82 class BitRecTy : public RecTy {
83 static BitRecTy Shared;
84 BitRecTy() : RecTy(BitRecTyKind) {}
87 static bool classof(const RecTy *RT) {
88 return RT->getRecTyKind() == BitRecTyKind;
91 static BitRecTy *get() { return &Shared; }
93 std::string getAsString() const override { return "bit"; }
95 bool typeIsConvertibleTo(const RecTy *RHS) const override;
98 /// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
100 class BitsRecTy : public RecTy {
102 explicit BitsRecTy(unsigned Sz) : RecTy(BitsRecTyKind), Size(Sz) {}
105 static bool classof(const RecTy *RT) {
106 return RT->getRecTyKind() == BitsRecTyKind;
109 static BitsRecTy *get(unsigned Sz);
111 unsigned getNumBits() const { return Size; }
113 std::string getAsString() const override;
115 bool typeIsConvertibleTo(const RecTy *RHS) const override;
118 /// IntRecTy - 'int' - Represent an integer value of no particular size
120 class IntRecTy : public RecTy {
121 static IntRecTy Shared;
122 IntRecTy() : RecTy(IntRecTyKind) {}
125 static bool classof(const RecTy *RT) {
126 return RT->getRecTyKind() == IntRecTyKind;
129 static IntRecTy *get() { return &Shared; }
131 std::string getAsString() const override { return "int"; }
133 bool typeIsConvertibleTo(const RecTy *RHS) const override;
136 /// StringRecTy - 'string' - Represent an string value
138 class StringRecTy : public RecTy {
139 static StringRecTy Shared;
140 StringRecTy() : RecTy(StringRecTyKind) {}
143 static bool classof(const RecTy *RT) {
144 return RT->getRecTyKind() == StringRecTyKind;
147 static StringRecTy *get() { return &Shared; }
149 std::string getAsString() const override;
152 /// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
153 /// the specified type.
155 class ListRecTy : public RecTy {
157 explicit ListRecTy(RecTy *T) : RecTy(ListRecTyKind), Ty(T) {}
158 friend ListRecTy *RecTy::getListTy();
161 static bool classof(const RecTy *RT) {
162 return RT->getRecTyKind() == ListRecTyKind;
165 static ListRecTy *get(RecTy *T) { return T->getListTy(); }
166 RecTy *getElementType() const { return Ty; }
168 std::string getAsString() const override;
170 bool typeIsConvertibleTo(const RecTy *RHS) const override;
173 /// DagRecTy - 'dag' - Represent a dag fragment
175 class DagRecTy : public RecTy {
176 static DagRecTy Shared;
177 DagRecTy() : RecTy(DagRecTyKind) {}
180 static bool classof(const RecTy *RT) {
181 return RT->getRecTyKind() == DagRecTyKind;
184 static DagRecTy *get() { return &Shared; }
186 std::string getAsString() const override;
189 /// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
192 class RecordRecTy : public RecTy {
194 explicit RecordRecTy(Record *R) : RecTy(RecordRecTyKind), Rec(R) {}
198 static bool classof(const RecTy *RT) {
199 return RT->getRecTyKind() == RecordRecTyKind;
202 static RecordRecTy *get(Record *R);
204 Record *getRecord() const { return Rec; }
206 std::string getAsString() const override;
208 bool typeIsConvertibleTo(const RecTy *RHS) const override;
211 /// resolveTypes - Find a common type that T1 and T2 convert to.
212 /// Return 0 if no such type exists.
214 RecTy *resolveTypes(RecTy *T1, RecTy *T2);
216 //===----------------------------------------------------------------------===//
217 // Initializer Classes
218 //===----------------------------------------------------------------------===//
222 /// \brief Discriminator enum (for isa<>, dyn_cast<>, et al.)
224 /// This enum is laid out by a preorder traversal of the inheritance
225 /// hierarchy, and does not contain an entry for abstract classes, as per
226 /// the recommendation in docs/HowToSetUpLLVMStyleRTTI.rst.
228 /// We also explicitly include "first" and "last" values for each
229 /// interior node of the inheritance tree, to make it easier to read the
230 /// corresponding classof().
232 /// We could pack these a bit tighter by not having the IK_FirstXXXInit
233 /// and IK_LastXXXInit be their own values, but that would degrade
234 /// readability for really no benefit.
235 enum InitKind : uint8_t {
251 IK_VarListElementInit,
260 uint8_t Opc; // Used by UnOpInit, BinOpInit, and TernOpInit
262 Init(const Init &) = delete;
263 Init &operator=(const Init &) = delete;
264 virtual void anchor();
267 InitKind getKind() const { return Kind; }
270 explicit Init(InitKind K, uint8_t Opc = 0) : Kind(K), Opc(Opoc) {}
275 /// isComplete - This virtual method should be overridden by values that may
276 /// not be completely specified yet.
277 virtual bool isComplete() const { return true; }
279 /// print - Print out this value.
280 void print(raw_ostream &OS) const { OS << getAsString(); }
282 /// getAsString - Convert this value to a string form.
283 virtual std::string getAsString() const = 0;
284 /// getAsUnquotedString - Convert this value to a string form,
285 /// without adding quote markers. This primaruly affects
286 /// StringInits where we will not surround the string value with
288 virtual std::string getAsUnquotedString() const { return getAsString(); }
290 /// dump - Debugging method that may be called through a debugger, just
291 /// invokes print on stderr.
294 /// convertInitializerTo - This virtual function converts to the appropriate
295 /// Init based on the passed in type.
296 virtual Init *convertInitializerTo(RecTy *Ty) const = 0;
298 /// convertInitializerBitRange - This method is used to implement the bitrange
299 /// selection operator. Given an initializer, it selects the specified bits
300 /// out, returning them as a new init of bits type. If it is not legal to use
301 /// the bit subscript operator on this initializer, return null.
304 convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
308 /// convertInitListSlice - This method is used to implement the list slice
309 /// selection operator. Given an initializer, it selects the specified list
310 /// elements, returning them as a new init of list type. If it is not legal
311 /// to take a slice of this, return null.
314 convertInitListSlice(const std::vector<unsigned> &Elements) const {
318 /// getFieldType - This method is used to implement the FieldInit class.
319 /// Implementors of this method should return the type of the named field if
320 /// they are of record type.
322 virtual RecTy *getFieldType(const std::string &FieldName) const {
326 /// getFieldInit - This method complements getFieldType to return the
327 /// initializer for the specified field. If getFieldType returns non-null
328 /// this method should return non-null, otherwise it returns null.
330 virtual Init *getFieldInit(Record &R, const RecordVal *RV,
331 const std::string &FieldName) const {
335 /// resolveReferences - This method is used by classes that refer to other
336 /// variables which may not be defined at the time the expression is formed.
337 /// If a value is set for the variable later, this method will be called on
338 /// users of the value to allow the value to propagate out.
340 virtual Init *resolveReferences(Record &R, const RecordVal *RV) const {
341 return const_cast<Init *>(this);
344 /// getBit - This method is used to return the initializer for the specified
346 virtual Init *getBit(unsigned Bit) const = 0;
348 /// getBitVar - This method is used to retrieve the initializer for bit
349 /// reference. For non-VarBitInit, it simply returns itself.
350 virtual Init *getBitVar() const { return const_cast<Init*>(this); }
352 /// getBitNum - This method is used to retrieve the bit number of a bit
353 /// reference. For non-VarBitInit, it simply returns 0.
354 virtual unsigned getBitNum() const { return 0; }
357 inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
358 I.print(OS); return OS;
361 /// TypedInit - This is the common super-class of types that have a specific,
364 class TypedInit : public Init {
367 TypedInit(const TypedInit &Other) = delete;
368 TypedInit &operator=(const TypedInit &Other) = delete;
371 explicit TypedInit(InitKind K, RecTy *T, uint8_t Opc = 0)
372 : Init(K, Opc), Ty(T) {}
373 ~TypedInit() override {
374 // If this is a DefInit we need to delete the RecordRecTy.
375 if (getKind() == IK_DefInit)
380 static bool classof(const Init *I) {
381 return I->getKind() >= IK_FirstTypedInit &&
382 I->getKind() <= IK_LastTypedInit;
384 RecTy *getType() const { return Ty; }
386 Init *convertInitializerTo(RecTy *Ty) const override;
389 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
391 convertInitListSlice(const std::vector<unsigned> &Elements) const override;
393 /// getFieldType - This method is used to implement the FieldInit class.
394 /// Implementors of this method should return the type of the named field if
395 /// they are of record type.
397 RecTy *getFieldType(const std::string &FieldName) const override;
399 /// resolveListElementReference - This method is used to implement
400 /// VarListElementInit::resolveReferences. If the list element is resolvable
401 /// now, we return the resolved value, otherwise we return null.
402 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
403 unsigned Elt) const = 0;
406 /// UnsetInit - ? - Represents an uninitialized value
408 class UnsetInit : public Init {
409 UnsetInit() : Init(IK_UnsetInit) {}
410 UnsetInit(const UnsetInit &) = delete;
411 UnsetInit &operator=(const UnsetInit &Other) = delete;
414 static bool classof(const Init *I) {
415 return I->getKind() == IK_UnsetInit;
417 static UnsetInit *get();
419 Init *convertInitializerTo(RecTy *Ty) const override;
421 Init *getBit(unsigned Bit) const override {
422 return const_cast<UnsetInit*>(this);
425 bool isComplete() const override { return false; }
426 std::string getAsString() const override { return "?"; }
429 /// BitInit - true/false - Represent a concrete initializer for a bit.
431 class BitInit : public Init {
434 explicit BitInit(bool V) : Init(IK_BitInit), Value(V) {}
435 BitInit(const BitInit &Other) = delete;
436 BitInit &operator=(BitInit &Other) = delete;
439 static bool classof(const Init *I) {
440 return I->getKind() == IK_BitInit;
442 static BitInit *get(bool V);
444 bool getValue() const { return Value; }
446 Init *convertInitializerTo(RecTy *Ty) const override;
448 Init *getBit(unsigned Bit) const override {
449 assert(Bit < 1 && "Bit index out of range!");
450 return const_cast<BitInit*>(this);
453 std::string getAsString() const override { return Value ? "1" : "0"; }
456 /// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
457 /// It contains a vector of bits, whose size is determined by the type.
459 class BitsInit : public TypedInit, public FoldingSetNode {
460 std::vector<Init*> Bits;
462 BitsInit(ArrayRef<Init *> Range)
463 : TypedInit(IK_BitsInit, BitsRecTy::get(Range.size())),
464 Bits(Range.begin(), Range.end()) {}
466 BitsInit(const BitsInit &Other) = delete;
467 BitsInit &operator=(const BitsInit &Other) = delete;
470 static bool classof(const Init *I) {
471 return I->getKind() == IK_BitsInit;
473 static BitsInit *get(ArrayRef<Init *> Range);
475 void Profile(FoldingSetNodeID &ID) const;
477 unsigned getNumBits() const { return Bits.size(); }
479 Init *convertInitializerTo(RecTy *Ty) const override;
481 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
483 bool isComplete() const override {
484 for (unsigned i = 0; i != getNumBits(); ++i)
485 if (!getBit(i)->isComplete()) return false;
488 bool allInComplete() const {
489 for (unsigned i = 0; i != getNumBits(); ++i)
490 if (getBit(i)->isComplete()) return false;
493 std::string getAsString() const override;
495 /// resolveListElementReference - This method is used to implement
496 /// VarListElementInit::resolveReferences. If the list element is resolvable
497 /// now, we return the resolved value, otherwise we return null.
498 Init *resolveListElementReference(Record &R, const RecordVal *RV,
499 unsigned Elt) const override {
500 llvm_unreachable("Illegal element reference off bits<n>");
503 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
505 Init *getBit(unsigned Bit) const override {
506 assert(Bit < Bits.size() && "Bit index out of range!");
511 /// IntInit - 7 - Represent an initialization by a literal integer value.
513 class IntInit : public TypedInit {
516 explicit IntInit(int64_t V)
517 : TypedInit(IK_IntInit, IntRecTy::get()), Value(V) {}
519 IntInit(const IntInit &Other) = delete;
520 IntInit &operator=(const IntInit &Other) = delete;
523 static bool classof(const Init *I) {
524 return I->getKind() == IK_IntInit;
526 static IntInit *get(int64_t V);
528 int64_t getValue() const { return Value; }
530 Init *convertInitializerTo(RecTy *Ty) const override;
532 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
534 std::string getAsString() const override;
536 /// resolveListElementReference - This method is used to implement
537 /// VarListElementInit::resolveReferences. If the list element is resolvable
538 /// now, we return the resolved value, otherwise we return null.
539 Init *resolveListElementReference(Record &R, const RecordVal *RV,
540 unsigned Elt) const override {
541 llvm_unreachable("Illegal element reference off int");
544 Init *getBit(unsigned Bit) const override {
545 return BitInit::get((Value & (1ULL << Bit)) != 0);
549 /// StringInit - "foo" - Represent an initialization by a string value.
551 class StringInit : public TypedInit {
554 explicit StringInit(StringRef V)
555 : TypedInit(IK_StringInit, StringRecTy::get()), Value(V) {}
557 StringInit(const StringInit &Other) = delete;
558 StringInit &operator=(const StringInit &Other) = delete;
561 static bool classof(const Init *I) {
562 return I->getKind() == IK_StringInit;
564 static StringInit *get(StringRef);
566 const std::string &getValue() const { return Value; }
568 Init *convertInitializerTo(RecTy *Ty) const override;
570 std::string getAsString() const override { return "\"" + Value + "\""; }
571 std::string getAsUnquotedString() const override { return Value; }
573 /// resolveListElementReference - This method is used to implement
574 /// VarListElementInit::resolveReferences. If the list element is resolvable
575 /// now, we return the resolved value, otherwise we return null.
576 Init *resolveListElementReference(Record &R, const RecordVal *RV,
577 unsigned Elt) const override {
578 llvm_unreachable("Illegal element reference off string");
581 Init *getBit(unsigned Bit) const override {
582 llvm_unreachable("Illegal bit reference off string");
586 /// ListInit - [AL, AH, CL] - Represent a list of defs
588 class ListInit : public TypedInit, public FoldingSetNode {
589 std::vector<Init*> Values;
592 typedef std::vector<Init*>::const_iterator const_iterator;
595 explicit ListInit(ArrayRef<Init *> Range, RecTy *EltTy)
596 : TypedInit(IK_ListInit, ListRecTy::get(EltTy)),
597 Values(Range.begin(), Range.end()) {}
599 ListInit(const ListInit &Other) = delete;
600 ListInit &operator=(const ListInit &Other) = delete;
603 static bool classof(const Init *I) {
604 return I->getKind() == IK_ListInit;
606 static ListInit *get(ArrayRef<Init *> Range, RecTy *EltTy);
608 void Profile(FoldingSetNodeID &ID) const;
610 Init *getElement(unsigned i) const {
611 assert(i < Values.size() && "List element index out of range!");
615 Record *getElementAsRecord(unsigned i) const;
618 convertInitListSlice(const std::vector<unsigned> &Elements) const override;
620 Init *convertInitializerTo(RecTy *Ty) const override;
622 /// resolveReferences - This method is used by classes that refer to other
623 /// variables which may not be defined at the time they expression is formed.
624 /// If a value is set for the variable later, this method will be called on
625 /// users of the value to allow the value to propagate out.
627 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
629 std::string getAsString() const override;
631 ArrayRef<Init*> getValues() const { return Values; }
633 const_iterator begin() const { return Values.begin(); }
634 const_iterator end () const { return Values.end(); }
636 size_t size () const { return Values.size(); }
637 bool empty() const { return Values.empty(); }
639 /// resolveListElementReference - This method is used to implement
640 /// VarListElementInit::resolveReferences. If the list element is resolvable
641 /// now, we return the resolved value, otherwise we return null.
642 Init *resolveListElementReference(Record &R, const RecordVal *RV,
643 unsigned Elt) const override;
645 Init *getBit(unsigned Bit) const override {
646 llvm_unreachable("Illegal bit reference off list");
650 /// OpInit - Base class for operators
652 class OpInit : public TypedInit {
653 OpInit(const OpInit &Other) = delete;
654 OpInit &operator=(OpInit &Other) = delete;
657 explicit OpInit(InitKind K, RecTy *Type, uint8_t Opc)
658 : TypedInit(K, Type, Opc) {}
661 static bool classof(const Init *I) {
662 return I->getKind() >= IK_FirstOpInit &&
663 I->getKind() <= IK_LastOpInit;
665 // Clone - Clone this operator, replacing arguments with the new list
666 virtual OpInit *clone(std::vector<Init *> &Operands) const = 0;
668 virtual unsigned getNumOperands() const = 0;
669 virtual Init *getOperand(unsigned i) const = 0;
671 // Fold - If possible, fold this to a simpler init. Return this if not
673 virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
675 Init *resolveListElementReference(Record &R, const RecordVal *RV,
676 unsigned Elt) const override;
678 Init *getBit(unsigned Bit) const override;
681 /// UnOpInit - !op (X) - Transform an init.
683 class UnOpInit : public OpInit {
685 enum UnaryOp : uint8_t { CAST, HEAD, TAIL, EMPTY };
690 UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type)
691 : OpInit(IK_UnOpInit, Type, opc), LHS(lhs) {}
693 UnOpInit(const UnOpInit &Other) = delete;
694 UnOpInit &operator=(const UnOpInit &Other) = delete;
697 static bool classof(const Init *I) {
698 return I->getKind() == IK_UnOpInit;
700 static UnOpInit *get(UnaryOp opc, Init *lhs, RecTy *Type);
702 // Clone - Clone this operator, replacing arguments with the new list
703 OpInit *clone(std::vector<Init *> &Operands) const override {
704 assert(Operands.size() == 1 &&
705 "Wrong number of operands for unary operation");
706 return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
709 unsigned getNumOperands() const override { return 1; }
710 Init *getOperand(unsigned i) const override {
711 assert(i == 0 && "Invalid operand id for unary operator");
715 UnaryOp getOpcode() const { return (UnaryOp)Opc; }
716 Init *getOperand() const { return LHS; }
718 // Fold - If possible, fold this to a simpler init. Return this if not
720 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
722 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
724 std::string getAsString() const override;
727 /// BinOpInit - !op (X, Y) - Combine two inits.
729 class BinOpInit : public OpInit {
731 enum BinaryOp : uint8_t { ADD, AND, SHL, SRA, SRL, LISTCONCAT,
732 STRCONCAT, CONCAT, EQ };
737 BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
738 OpInit(IK_BinOpInit, Type, opc), LHS(lhs), RHS(rhs) {}
740 BinOpInit(const BinOpInit &Other) = delete;
741 BinOpInit &operator=(const BinOpInit &Other) = delete;
744 static bool classof(const Init *I) {
745 return I->getKind() == IK_BinOpInit;
747 static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
750 // Clone - Clone this operator, replacing arguments with the new list
751 OpInit *clone(std::vector<Init *> &Operands) const override {
752 assert(Operands.size() == 2 &&
753 "Wrong number of operands for binary operation");
754 return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
757 unsigned getNumOperands() const override { return 2; }
758 Init *getOperand(unsigned i) const override {
760 default: llvm_unreachable("Invalid operand id for binary operator");
761 case 0: return getLHS();
762 case 1: return getRHS();
766 BinaryOp getOpcode() const { return (BinaryOp)Opc; }
767 Init *getLHS() const { return LHS; }
768 Init *getRHS() const { return RHS; }
770 // Fold - If possible, fold this to a simpler init. Return this if not
772 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
774 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
776 std::string getAsString() const override;
779 /// TernOpInit - !op (X, Y, Z) - Combine two inits.
781 class TernOpInit : public OpInit {
783 enum TernaryOp : uint8_t { SUBST, FOREACH, IF };
786 Init *LHS, *MHS, *RHS;
788 TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
790 OpInit(IK_TernOpInit, Type, opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
792 TernOpInit(const TernOpInit &Other) = delete;
793 TernOpInit &operator=(const TernOpInit &Other) = delete;
796 static bool classof(const Init *I) {
797 return I->getKind() == IK_TernOpInit;
799 static TernOpInit *get(TernaryOp opc, Init *lhs,
800 Init *mhs, Init *rhs,
803 // Clone - Clone this operator, replacing arguments with the new list
804 OpInit *clone(std::vector<Init *> &Operands) const override {
805 assert(Operands.size() == 3 &&
806 "Wrong number of operands for ternary operation");
807 return TernOpInit::get(getOpcode(), Operands[0], Operands[1], Operands[2],
811 unsigned getNumOperands() const override { return 3; }
812 Init *getOperand(unsigned i) const override {
814 default: llvm_unreachable("Invalid operand id for ternary operator");
815 case 0: return getLHS();
816 case 1: return getMHS();
817 case 2: return getRHS();
821 TernaryOp getOpcode() const { return (TernaryOp)Opc; }
822 Init *getLHS() const { return LHS; }
823 Init *getMHS() const { return MHS; }
824 Init *getRHS() const { return RHS; }
826 // Fold - If possible, fold this to a simpler init. Return this if not
828 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
830 bool isComplete() const override { return false; }
832 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
834 std::string getAsString() const override;
837 /// VarInit - 'Opcode' - Represent a reference to an entire variable object.
839 class VarInit : public TypedInit {
842 explicit VarInit(Init *VN, RecTy *T)
843 : TypedInit(IK_VarInit, T), VarName(VN) {}
845 VarInit(const VarInit &Other) = delete;
846 VarInit &operator=(const VarInit &Other) = delete;
849 static bool classof(const Init *I) {
850 return I->getKind() == IK_VarInit;
852 static VarInit *get(const std::string &VN, RecTy *T);
853 static VarInit *get(Init *VN, RecTy *T);
855 const std::string &getName() const;
856 Init *getNameInit() const { return VarName; }
857 std::string getNameInitAsString() const {
858 return getNameInit()->getAsUnquotedString();
861 Init *resolveListElementReference(Record &R, const RecordVal *RV,
862 unsigned Elt) const override;
864 RecTy *getFieldType(const std::string &FieldName) const override;
865 Init *getFieldInit(Record &R, const RecordVal *RV,
866 const std::string &FieldName) const override;
868 /// resolveReferences - This method is used by classes that refer to other
869 /// variables which may not be defined at the time they expression is formed.
870 /// If a value is set for the variable later, this method will be called on
871 /// users of the value to allow the value to propagate out.
873 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
875 Init *getBit(unsigned Bit) const override;
877 std::string getAsString() const override { return getName(); }
880 /// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
882 class VarBitInit : public Init {
886 VarBitInit(TypedInit *T, unsigned B) : Init(IK_VarBitInit), TI(T), Bit(B) {
887 assert(T->getType() &&
888 (isa<IntRecTy>(T->getType()) ||
889 (isa<BitsRecTy>(T->getType()) &&
890 cast<BitsRecTy>(T->getType())->getNumBits() > B)) &&
891 "Illegal VarBitInit expression!");
894 VarBitInit(const VarBitInit &Other) = delete;
895 VarBitInit &operator=(const VarBitInit &Other) = delete;
898 static bool classof(const Init *I) {
899 return I->getKind() == IK_VarBitInit;
901 static VarBitInit *get(TypedInit *T, unsigned B);
903 Init *convertInitializerTo(RecTy *Ty) const override;
905 Init *getBitVar() const override { return TI; }
906 unsigned getBitNum() const override { return Bit; }
908 std::string getAsString() const override;
909 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
911 Init *getBit(unsigned B) const override {
912 assert(B < 1 && "Bit index out of range!");
913 return const_cast<VarBitInit*>(this);
917 /// VarListElementInit - List[4] - Represent access to one element of a var or
919 class VarListElementInit : public TypedInit {
923 VarListElementInit(TypedInit *T, unsigned E)
924 : TypedInit(IK_VarListElementInit,
925 cast<ListRecTy>(T->getType())->getElementType()),
927 assert(T->getType() && isa<ListRecTy>(T->getType()) &&
928 "Illegal VarBitInit expression!");
931 VarListElementInit(const VarListElementInit &Other) = delete;
932 void operator=(const VarListElementInit &Other) = delete;
935 static bool classof(const Init *I) {
936 return I->getKind() == IK_VarListElementInit;
938 static VarListElementInit *get(TypedInit *T, unsigned E);
940 TypedInit *getVariable() const { return TI; }
941 unsigned getElementNum() const { return Element; }
943 /// resolveListElementReference - This method is used to implement
944 /// VarListElementInit::resolveReferences. If the list element is resolvable
945 /// now, we return the resolved value, otherwise we return null.
946 Init *resolveListElementReference(Record &R, const RecordVal *RV,
947 unsigned Elt) const override;
949 std::string getAsString() const override;
950 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
952 Init *getBit(unsigned Bit) const override;
955 /// DefInit - AL - Represent a reference to a 'def' in the description
957 class DefInit : public TypedInit {
960 DefInit(Record *D, RecordRecTy *T) : TypedInit(IK_DefInit, T), Def(D) {}
963 DefInit(const DefInit &Other) = delete;
964 DefInit &operator=(const DefInit &Other) = delete;
967 static bool classof(const Init *I) {
968 return I->getKind() == IK_DefInit;
970 static DefInit *get(Record*);
972 Init *convertInitializerTo(RecTy *Ty) const override;
974 Record *getDef() const { return Def; }
976 //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
978 RecTy *getFieldType(const std::string &FieldName) const override;
979 Init *getFieldInit(Record &R, const RecordVal *RV,
980 const std::string &FieldName) const override;
982 std::string getAsString() const override;
984 Init *getBit(unsigned Bit) const override {
985 llvm_unreachable("Illegal bit reference off def");
988 /// resolveListElementReference - This method is used to implement
989 /// VarListElementInit::resolveReferences. If the list element is resolvable
990 /// now, we return the resolved value, otherwise we return null.
991 Init *resolveListElementReference(Record &R, const RecordVal *RV,
992 unsigned Elt) const override {
993 llvm_unreachable("Illegal element reference off def");
997 /// FieldInit - X.Y - Represent a reference to a subfield of a variable
999 class FieldInit : public TypedInit {
1000 Init *Rec; // Record we are referring to
1001 std::string FieldName; // Field we are accessing
1003 FieldInit(Init *R, const std::string &FN)
1004 : TypedInit(IK_FieldInit, R->getFieldType(FN)), Rec(R), FieldName(FN) {
1005 assert(getType() && "FieldInit with non-record type!");
1008 FieldInit(const FieldInit &Other) = delete;
1009 FieldInit &operator=(const FieldInit &Other) = delete;
1012 static bool classof(const Init *I) {
1013 return I->getKind() == IK_FieldInit;
1015 static FieldInit *get(Init *R, const std::string &FN);
1017 Init *getBit(unsigned Bit) const override;
1019 Init *resolveListElementReference(Record &R, const RecordVal *RV,
1020 unsigned Elt) const override;
1022 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
1024 std::string getAsString() const override {
1025 return Rec->getAsString() + "." + FieldName;
1029 /// DagInit - (v a, b) - Represent a DAG tree value. DAG inits are required
1030 /// to have at least one value then a (possibly empty) list of arguments. Each
1031 /// argument can have a name associated with it.
1033 class DagInit : public TypedInit, public FoldingSetNode {
1035 std::string ValName;
1036 std::vector<Init*> Args;
1037 std::vector<std::string> ArgNames;
1039 DagInit(Init *V, const std::string &VN,
1040 ArrayRef<Init *> ArgRange,
1041 ArrayRef<std::string> NameRange)
1042 : TypedInit(IK_DagInit, DagRecTy::get()), Val(V), ValName(VN),
1043 Args(ArgRange.begin(), ArgRange.end()),
1044 ArgNames(NameRange.begin(), NameRange.end()) {}
1046 DagInit(const DagInit &Other) = delete;
1047 DagInit &operator=(const DagInit &Other) = delete;
1050 static bool classof(const Init *I) {
1051 return I->getKind() == IK_DagInit;
1053 static DagInit *get(Init *V, const std::string &VN,
1054 ArrayRef<Init *> ArgRange,
1055 ArrayRef<std::string> NameRange);
1056 static DagInit *get(Init *V, const std::string &VN,
1058 std::pair<Init*, std::string> > &args);
1060 void Profile(FoldingSetNodeID &ID) const;
1062 Init *convertInitializerTo(RecTy *Ty) const override;
1064 Init *getOperator() const { return Val; }
1066 const std::string &getName() const { return ValName; }
1068 unsigned getNumArgs() const { return Args.size(); }
1069 Init *getArg(unsigned Num) const {
1070 assert(Num < Args.size() && "Arg number out of range!");
1073 const std::string &getArgName(unsigned Num) const {
1074 assert(Num < ArgNames.size() && "Arg number out of range!");
1075 return ArgNames[Num];
1078 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
1080 std::string getAsString() const override;
1082 typedef std::vector<Init*>::const_iterator const_arg_iterator;
1083 typedef std::vector<std::string>::const_iterator const_name_iterator;
1085 inline const_arg_iterator arg_begin() const { return Args.begin(); }
1086 inline const_arg_iterator arg_end () const { return Args.end(); }
1088 inline size_t arg_size () const { return Args.size(); }
1089 inline bool arg_empty() const { return Args.empty(); }
1091 inline const_name_iterator name_begin() const { return ArgNames.begin(); }
1092 inline const_name_iterator name_end () const { return ArgNames.end(); }
1094 inline size_t name_size () const { return ArgNames.size(); }
1095 inline bool name_empty() const { return ArgNames.empty(); }
1097 Init *getBit(unsigned Bit) const override {
1098 llvm_unreachable("Illegal bit reference off dag");
1101 Init *resolveListElementReference(Record &R, const RecordVal *RV,
1102 unsigned Elt) const override {
1103 llvm_unreachable("Illegal element reference off dag");
1107 //===----------------------------------------------------------------------===//
1108 // High-Level Classes
1109 //===----------------------------------------------------------------------===//
1112 PointerIntPair<Init *, 1, bool> NameAndPrefix;
1117 RecordVal(Init *N, RecTy *T, bool P);
1118 RecordVal(const std::string &N, RecTy *T, bool P);
1120 const std::string &getName() const;
1121 const Init *getNameInit() const { return NameAndPrefix.getPointer(); }
1122 std::string getNameInitAsString() const {
1123 return getNameInit()->getAsUnquotedString();
1126 bool getPrefix() const { return NameAndPrefix.getInt(); }
1127 RecTy *getType() const { return Ty; }
1128 Init *getValue() const { return Value; }
1130 bool setValue(Init *V) {
1132 Value = V->convertInitializerTo(Ty);
1133 return Value == nullptr;
1140 void print(raw_ostream &OS, bool PrintSem = true) const;
1143 inline raw_ostream &operator<<(raw_ostream &OS, const RecordVal &RV) {
1144 RV.print(OS << " ");
1149 static unsigned LastID;
1151 // Unique record ID.
1154 // Location where record was instantiated, followed by the location of
1155 // multiclass prototypes used.
1156 SmallVector<SMLoc, 4> Locs;
1157 std::vector<Init *> TemplateArgs;
1158 std::vector<RecordVal> Values;
1159 std::vector<Record *> SuperClasses;
1160 std::vector<SMRange> SuperClassRanges;
1162 // Tracks Record instances. Not owned by Record.
1163 RecordKeeper &TrackedRecords;
1165 std::unique_ptr<DefInit> TheInit;
1168 // Class-instance values can be used by other defs. For example, Struct<i>
1169 // is used here as a template argument to another class:
1171 // multiclass MultiClass<int i> {
1172 // def Def : Class<Struct<i>>;
1174 // These need to get fully resolved before instantiating any other
1175 // definitions that use them (e.g. Def). However, inside a multiclass they
1176 // can't be immediately resolved so we mark them ResolveFirst to fully
1177 // resolve them later as soon as the multiclass is instantiated.
1184 // Constructs a record.
1185 explicit Record(Init *N, ArrayRef<SMLoc> locs, RecordKeeper &records,
1186 bool Anonymous = false) :
1187 ID(LastID++), Name(N), Locs(locs.begin(), locs.end()),
1188 TrackedRecords(records), IsAnonymous(Anonymous), ResolveFirst(false) {
1191 explicit Record(const std::string &N, ArrayRef<SMLoc> locs,
1192 RecordKeeper &records, bool Anonymous = false)
1193 : Record(StringInit::get(N), locs, records, Anonymous) {}
1196 // When copy-constructing a Record, we must still guarantee a globally unique
1197 // ID number. Don't copy TheInit either since it's owned by the original
1198 // record. All other fields can be copied normally.
1199 Record(const Record &O) :
1200 ID(LastID++), Name(O.Name), Locs(O.Locs), TemplateArgs(O.TemplateArgs),
1201 Values(O.Values), SuperClasses(O.SuperClasses),
1202 SuperClassRanges(O.SuperClassRanges), TrackedRecords(O.TrackedRecords),
1203 IsAnonymous(O.IsAnonymous),
1204 ResolveFirst(O.ResolveFirst) { }
1206 static unsigned getNewUID() { return LastID++; }
1208 unsigned getID() const { return ID; }
1210 const std::string &getName() const;
1211 Init *getNameInit() const {
1214 const std::string getNameInitAsString() const {
1215 return getNameInit()->getAsUnquotedString();
1218 void setName(Init *Name); // Also updates RecordKeeper.
1219 void setName(const std::string &Name); // Also updates RecordKeeper.
1221 ArrayRef<SMLoc> getLoc() const { return Locs; }
1223 /// get the corresponding DefInit.
1224 DefInit *getDefInit();
1226 ArrayRef<Init *> getTemplateArgs() const {
1227 return TemplateArgs;
1229 ArrayRef<RecordVal> getValues() const { return Values; }
1230 ArrayRef<Record *> getSuperClasses() const { return SuperClasses; }
1231 ArrayRef<SMRange> getSuperClassRanges() const { return SuperClassRanges; }
1233 bool isTemplateArg(Init *Name) const {
1234 for (Init *TA : TemplateArgs)
1235 if (TA == Name) return true;
1238 bool isTemplateArg(StringRef Name) const {
1239 return isTemplateArg(StringInit::get(Name));
1242 const RecordVal *getValue(const Init *Name) const {
1243 for (const RecordVal &Val : Values)
1244 if (Val.getNameInit() == Name) return &Val;
1247 const RecordVal *getValue(StringRef Name) const {
1248 return getValue(StringInit::get(Name));
1250 RecordVal *getValue(const Init *Name) {
1251 for (RecordVal &Val : Values)
1252 if (Val.getNameInit() == Name) return &Val;
1255 RecordVal *getValue(StringRef Name) {
1256 return getValue(StringInit::get(Name));
1259 void addTemplateArg(Init *Name) {
1260 assert(!isTemplateArg(Name) && "Template arg already defined!");
1261 TemplateArgs.push_back(Name);
1263 void addTemplateArg(StringRef Name) {
1264 addTemplateArg(StringInit::get(Name));
1267 void addValue(const RecordVal &RV) {
1268 assert(getValue(RV.getNameInit()) == nullptr && "Value already added!");
1269 Values.push_back(RV);
1270 if (Values.size() > 1)
1271 // Keep NAME at the end of the list. It makes record dumps a
1272 // bit prettier and allows TableGen tests to be written more
1273 // naturally. Tests can use CHECK-NEXT to look for Record
1274 // fields they expect to see after a def. They can't do that if
1275 // NAME is the first Record field.
1276 std::swap(Values[Values.size() - 2], Values[Values.size() - 1]);
1279 void removeValue(Init *Name) {
1280 for (unsigned i = 0, e = Values.size(); i != e; ++i)
1281 if (Values[i].getNameInit() == Name) {
1282 Values.erase(Values.begin()+i);
1285 llvm_unreachable("Cannot remove an entry that does not exist!");
1288 void removeValue(StringRef Name) {
1289 removeValue(StringInit::get(Name));
1292 bool isSubClassOf(const Record *R) const {
1293 for (const Record *SC : SuperClasses)
1299 bool isSubClassOf(StringRef Name) const {
1300 for (const Record *SC : SuperClasses)
1301 if (SC->getNameInitAsString() == Name)
1306 void addSuperClass(Record *R, SMRange Range) {
1307 assert(!isSubClassOf(R) && "Already subclassing record!");
1308 SuperClasses.push_back(R);
1309 SuperClassRanges.push_back(Range);
1312 /// resolveReferences - If there are any field references that refer to fields
1313 /// that have been filled in, we can propagate the values now.
1315 void resolveReferences() { resolveReferencesTo(nullptr); }
1317 /// resolveReferencesTo - If anything in this record refers to RV, replace the
1318 /// reference to RV with the RHS of RV. If RV is null, we resolve all
1319 /// possible references.
1320 void resolveReferencesTo(const RecordVal *RV);
1322 RecordKeeper &getRecords() const {
1323 return TrackedRecords;
1326 bool isAnonymous() const {
1330 bool isResolveFirst() const {
1331 return ResolveFirst;
1334 void setResolveFirst(bool b) {
1340 //===--------------------------------------------------------------------===//
1341 // High-level methods useful to tablegen back-ends
1344 /// getValueInit - Return the initializer for a value with the specified name,
1345 /// or throw an exception if the field does not exist.
1347 Init *getValueInit(StringRef FieldName) const;
1349 /// Return true if the named field is unset.
1350 bool isValueUnset(StringRef FieldName) const {
1351 return isa<UnsetInit>(getValueInit(FieldName));
1354 /// getValueAsString - This method looks up the specified field and returns
1355 /// its value as a string, throwing an exception if the field does not exist
1356 /// or if the value is not a string.
1358 std::string getValueAsString(StringRef FieldName) const;
1360 /// getValueAsBitsInit - This method looks up the specified field and returns
1361 /// its value as a BitsInit, throwing an exception if the field does not exist
1362 /// or if the value is not the right type.
1364 BitsInit *getValueAsBitsInit(StringRef FieldName) const;
1366 /// getValueAsListInit - This method looks up the specified field and returns
1367 /// its value as a ListInit, throwing an exception if the field does not exist
1368 /// or if the value is not the right type.
1370 ListInit *getValueAsListInit(StringRef FieldName) const;
1372 /// getValueAsListOfDefs - This method looks up the specified field and
1373 /// returns its value as a vector of records, throwing an exception if the
1374 /// field does not exist or if the value is not the right type.
1376 std::vector<Record*> getValueAsListOfDefs(StringRef FieldName) const;
1378 /// getValueAsListOfInts - This method looks up the specified field and
1379 /// returns its value as a vector of integers, throwing an exception if the
1380 /// field does not exist or if the value is not the right type.
1382 std::vector<int64_t> getValueAsListOfInts(StringRef FieldName) const;
1384 /// getValueAsListOfStrings - This method looks up the specified field and
1385 /// returns its value as a vector of strings, throwing an exception if the
1386 /// field does not exist or if the value is not the right type.
1388 std::vector<std::string> getValueAsListOfStrings(StringRef FieldName) const;
1390 /// getValueAsDef - This method looks up the specified field and returns its
1391 /// value as a Record, throwing an exception if the field does not exist or if
1392 /// the value is not the right type.
1394 Record *getValueAsDef(StringRef FieldName) const;
1396 /// getValueAsBit - This method looks up the specified field and returns its
1397 /// value as a bit, throwing an exception if the field does not exist or if
1398 /// the value is not the right type.
1400 bool getValueAsBit(StringRef FieldName) const;
1402 /// getValueAsBitOrUnset - This method looks up the specified field and
1403 /// returns its value as a bit. If the field is unset, sets Unset to true and
1406 bool getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const;
1408 /// getValueAsInt - This method looks up the specified field and returns its
1409 /// value as an int64_t, throwing an exception if the field does not exist or
1410 /// if the value is not the right type.
1412 int64_t getValueAsInt(StringRef FieldName) const;
1414 /// getValueAsDag - This method looks up the specified field and returns its
1415 /// value as an Dag, throwing an exception if the field does not exist or if
1416 /// the value is not the right type.
1418 DagInit *getValueAsDag(StringRef FieldName) const;
1421 raw_ostream &operator<<(raw_ostream &OS, const Record &R);
1424 Record Rec; // Placeholder for template args and Name.
1425 typedef std::vector<std::unique_ptr<Record>> RecordVector;
1426 RecordVector DefPrototypes;
1430 MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
1431 Rec(Name, Loc, Records) {}
1434 class RecordKeeper {
1435 typedef std::map<std::string, std::unique_ptr<Record>> RecordMap;
1436 RecordMap Classes, Defs;
1439 const RecordMap &getClasses() const { return Classes; }
1440 const RecordMap &getDefs() const { return Defs; }
1442 Record *getClass(const std::string &Name) const {
1443 auto I = Classes.find(Name);
1444 return I == Classes.end() ? nullptr : I->second.get();
1446 Record *getDef(const std::string &Name) const {
1447 auto I = Defs.find(Name);
1448 return I == Defs.end() ? nullptr : I->second.get();
1450 void addClass(std::unique_ptr<Record> R) {
1451 bool Ins = Classes.insert(std::make_pair(R->getName(),
1452 std::move(R))).second;
1454 assert(Ins && "Class already exists");
1456 void addDef(std::unique_ptr<Record> R) {
1457 bool Ins = Defs.insert(std::make_pair(R->getName(),
1458 std::move(R))).second;
1460 assert(Ins && "Record already exists");
1463 //===--------------------------------------------------------------------===//
1464 // High-level helper methods, useful for tablegen backends...
1466 /// getAllDerivedDefinitions - This method returns all concrete definitions
1467 /// that derive from the specified class name. If a class with the specified
1468 /// name does not exist, an exception is thrown.
1469 std::vector<Record*>
1470 getAllDerivedDefinitions(const std::string &ClassName) const;
1475 /// LessRecord - Sorting predicate to sort record pointers by name.
1478 bool operator()(const Record *Rec1, const Record *Rec2) const {
1479 return StringRef(Rec1->getName()).compare_numeric(Rec2->getName()) < 0;
1483 /// LessRecordByID - Sorting predicate to sort record pointers by their
1484 /// unique ID. If you just need a deterministic order, use this, since it
1485 /// just compares two `unsigned`; the other sorting predicates require
1486 /// string manipulation.
1487 struct LessRecordByID {
1488 bool operator()(const Record *LHS, const Record *RHS) const {
1489 return LHS->getID() < RHS->getID();
1493 /// LessRecordFieldName - Sorting predicate to sort record pointers by their
1496 struct LessRecordFieldName {
1497 bool operator()(const Record *Rec1, const Record *Rec2) const {
1498 return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
1502 struct LessRecordRegister {
1503 static bool ascii_isdigit(char x) { return x >= '0' && x <= '9'; }
1505 struct RecordParts {
1506 SmallVector<std::pair< bool, StringRef>, 4> Parts;
1508 RecordParts(StringRef Rec) {
1513 const char *Start = Rec.data();
1514 const char *Curr = Start;
1515 bool isDigitPart = ascii_isdigit(Curr[0]);
1516 for (size_t I = 0, E = Rec.size(); I != E; ++I, ++Len) {
1517 bool isDigit = ascii_isdigit(Curr[I]);
1518 if (isDigit != isDigitPart) {
1519 Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
1522 isDigitPart = ascii_isdigit(Curr[I]);
1525 // Push the last part.
1526 Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
1529 size_t size() { return Parts.size(); }
1531 std::pair<bool, StringRef> getPart(size_t i) {
1532 assert (i < Parts.size() && "Invalid idx!");
1537 bool operator()(const Record *Rec1, const Record *Rec2) const {
1538 RecordParts LHSParts(StringRef(Rec1->getName()));
1539 RecordParts RHSParts(StringRef(Rec2->getName()));
1541 size_t LHSNumParts = LHSParts.size();
1542 size_t RHSNumParts = RHSParts.size();
1543 assert (LHSNumParts && RHSNumParts && "Expected at least one part!");
1545 if (LHSNumParts != RHSNumParts)
1546 return LHSNumParts < RHSNumParts;
1548 // We expect the registers to be of the form [_a-zA-z]+([0-9]*[_a-zA-Z]*)*.
1549 for (size_t I = 0, E = LHSNumParts; I < E; I+=2) {
1550 std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
1551 std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
1552 // Expect even part to always be alpha.
1553 assert (LHSPart.first == false && RHSPart.first == false &&
1554 "Expected both parts to be alpha.");
1555 if (int Res = LHSPart.second.compare(RHSPart.second))
1558 for (size_t I = 1, E = LHSNumParts; I < E; I+=2) {
1559 std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
1560 std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
1561 // Expect odd part to always be numeric.
1562 assert (LHSPart.first == true && RHSPart.first == true &&
1563 "Expected both parts to be numeric.");
1564 if (LHSPart.second.size() != RHSPart.second.size())
1565 return LHSPart.second.size() < RHSPart.second.size();
1567 unsigned LHSVal, RHSVal;
1569 bool LHSFailed = LHSPart.second.getAsInteger(10, LHSVal); (void)LHSFailed;
1570 assert(!LHSFailed && "Unable to convert LHS to integer.");
1571 bool RHSFailed = RHSPart.second.getAsInteger(10, RHSVal); (void)RHSFailed;
1572 assert(!RHSFailed && "Unable to convert RHS to integer.");
1574 if (LHSVal != RHSVal)
1575 return LHSVal < RHSVal;
1577 return LHSNumParts < RHSNumParts;
1581 raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
1583 /// QualifyName - Return an Init with a qualifier prefix referring
1584 /// to CurRec's name.
1585 Init *QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1586 Init *Name, const std::string &Scoper);
1588 /// QualifyName - Return an Init with a qualifier prefix referring
1589 /// to CurRec's name.
1590 Init *QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1591 const std::string &Name, const std::string &Scoper);
1593 } // end llvm namespace
1595 #endif // LLVM_TABLEGEN_RECORD_H