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/Support/Casting.h"
21 #include "llvm/Support/DataTypes.h"
22 #include "llvm/Support/ErrorHandling.h"
23 #include "llvm/Support/SourceMgr.h"
24 #include "llvm/Support/raw_ostream.h"
35 //===----------------------------------------------------------------------===//
37 //===----------------------------------------------------------------------===//
41 /// \brief Subclass discriminator (for dyn_cast<> et al.)
54 std::unique_ptr<ListRecTy> ListTy;
57 RecTyKind getRecTyKind() const { return Kind; }
59 RecTy(RecTyKind K) : Kind(K) {}
62 virtual std::string getAsString() const = 0;
63 void print(raw_ostream &OS) const { OS << getAsString(); }
66 /// typeIsConvertibleTo - Return true if all values of 'this' type can be
67 /// converted to the specified type.
68 virtual bool typeIsConvertibleTo(const RecTy *RHS) const;
70 /// getListTy - Returns the type representing list<this>.
71 ListRecTy *getListTy();
74 inline raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
79 /// BitRecTy - 'bit' - Represent a single bit
81 class BitRecTy : public RecTy {
82 static BitRecTy Shared;
83 BitRecTy() : RecTy(BitRecTyKind) {}
86 static bool classof(const RecTy *RT) {
87 return RT->getRecTyKind() == BitRecTyKind;
90 static BitRecTy *get() { return &Shared; }
92 std::string getAsString() const override { return "bit"; }
94 bool typeIsConvertibleTo(const RecTy *RHS) const override;
97 /// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
99 class BitsRecTy : public RecTy {
101 explicit BitsRecTy(unsigned Sz) : RecTy(BitsRecTyKind), Size(Sz) {}
104 static bool classof(const RecTy *RT) {
105 return RT->getRecTyKind() == BitsRecTyKind;
108 static BitsRecTy *get(unsigned Sz);
110 unsigned getNumBits() const { return Size; }
112 std::string getAsString() const override;
114 bool typeIsConvertibleTo(const RecTy *RHS) const override;
117 /// IntRecTy - 'int' - Represent an integer value of no particular size
119 class IntRecTy : public RecTy {
120 static IntRecTy Shared;
121 IntRecTy() : RecTy(IntRecTyKind) {}
124 static bool classof(const RecTy *RT) {
125 return RT->getRecTyKind() == IntRecTyKind;
128 static IntRecTy *get() { return &Shared; }
130 std::string getAsString() const override { return "int"; }
132 bool typeIsConvertibleTo(const RecTy *RHS) const override;
135 /// StringRecTy - 'string' - Represent an string value
137 class StringRecTy : public RecTy {
138 static StringRecTy Shared;
139 StringRecTy() : RecTy(StringRecTyKind) {}
142 static bool classof(const RecTy *RT) {
143 return RT->getRecTyKind() == StringRecTyKind;
146 static StringRecTy *get() { return &Shared; }
148 std::string getAsString() const override;
151 /// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
152 /// the specified type.
154 class ListRecTy : public RecTy {
156 explicit ListRecTy(RecTy *T) : RecTy(ListRecTyKind), Ty(T) {}
157 friend ListRecTy *RecTy::getListTy();
160 static bool classof(const RecTy *RT) {
161 return RT->getRecTyKind() == ListRecTyKind;
164 static ListRecTy *get(RecTy *T) { return T->getListTy(); }
165 RecTy *getElementType() const { return Ty; }
167 std::string getAsString() const override;
169 bool typeIsConvertibleTo(const RecTy *RHS) const override;
172 /// DagRecTy - 'dag' - Represent a dag fragment
174 class DagRecTy : public RecTy {
175 static DagRecTy Shared;
176 DagRecTy() : RecTy(DagRecTyKind) {}
179 static bool classof(const RecTy *RT) {
180 return RT->getRecTyKind() == DagRecTyKind;
183 static DagRecTy *get() { return &Shared; }
185 std::string getAsString() const override;
188 /// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
191 class RecordRecTy : public RecTy {
193 explicit RecordRecTy(Record *R) : RecTy(RecordRecTyKind), Rec(R) {}
197 static bool classof(const RecTy *RT) {
198 return RT->getRecTyKind() == RecordRecTyKind;
201 static RecordRecTy *get(Record *R);
203 Record *getRecord() const { return Rec; }
205 std::string getAsString() const override;
207 bool typeIsConvertibleTo(const RecTy *RHS) const override;
210 /// resolveTypes - Find a common type that T1 and T2 convert to.
211 /// Return 0 if no such type exists.
213 RecTy *resolveTypes(RecTy *T1, RecTy *T2);
215 //===----------------------------------------------------------------------===//
216 // Initializer Classes
217 //===----------------------------------------------------------------------===//
221 /// \brief Discriminator enum (for isa<>, dyn_cast<>, et al.)
223 /// This enum is laid out by a preorder traversal of the inheritance
224 /// hierarchy, and does not contain an entry for abstract classes, as per
225 /// the recommendation in docs/HowToSetUpLLVMStyleRTTI.rst.
227 /// We also explicitly include "first" and "last" values for each
228 /// interior node of the inheritance tree, to make it easier to read the
229 /// corresponding classof().
231 /// We could pack these a bit tighter by not having the IK_FirstXXXInit
232 /// and IK_LastXXXInit be their own values, but that would degrade
233 /// readability for really no benefit.
250 IK_VarListElementInit,
258 Init(const Init &) = delete;
259 Init &operator=(const Init &) = delete;
260 virtual void anchor();
263 InitKind getKind() const { return Kind; }
266 explicit Init(InitKind K) : Kind(K) {}
271 /// isComplete - This virtual method should be overridden by values that may
272 /// not be completely specified yet.
273 virtual bool isComplete() const { return true; }
275 /// print - Print out this value.
276 void print(raw_ostream &OS) const { OS << getAsString(); }
278 /// getAsString - Convert this value to a string form.
279 virtual std::string getAsString() const = 0;
280 /// getAsUnquotedString - Convert this value to a string form,
281 /// without adding quote markers. This primaruly affects
282 /// StringInits where we will not surround the string value with
284 virtual std::string getAsUnquotedString() const { return getAsString(); }
286 /// dump - Debugging method that may be called through a debugger, just
287 /// invokes print on stderr.
290 /// convertInitializerTo - This virtual function converts to the appropriate
291 /// Init based on the passed in type.
292 virtual Init *convertInitializerTo(RecTy *Ty) const = 0;
294 /// convertInitializerBitRange - This method is used to implement the bitrange
295 /// selection operator. Given an initializer, it selects the specified bits
296 /// out, returning them as a new init of bits type. If it is not legal to use
297 /// the bit subscript operator on this initializer, return null.
300 convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
304 /// convertInitListSlice - This method is used to implement the list slice
305 /// selection operator. Given an initializer, it selects the specified list
306 /// elements, returning them as a new init of list type. If it is not legal
307 /// to take a slice of this, return null.
310 convertInitListSlice(const std::vector<unsigned> &Elements) const {
314 /// getFieldType - This method is used to implement the FieldInit class.
315 /// Implementors of this method should return the type of the named field if
316 /// they are of record type.
318 virtual RecTy *getFieldType(const std::string &FieldName) const {
322 /// getFieldInit - This method complements getFieldType to return the
323 /// initializer for the specified field. If getFieldType returns non-null
324 /// this method should return non-null, otherwise it returns null.
326 virtual Init *getFieldInit(Record &R, const RecordVal *RV,
327 const std::string &FieldName) const {
331 /// resolveReferences - This method is used by classes that refer to other
332 /// variables which may not be defined at the time the expression is formed.
333 /// If a value is set for the variable later, this method will be called on
334 /// users of the value to allow the value to propagate out.
336 virtual Init *resolveReferences(Record &R, const RecordVal *RV) const {
337 return const_cast<Init *>(this);
340 /// getBit - This method is used to return the initializer for the specified
342 virtual Init *getBit(unsigned Bit) const = 0;
344 /// getBitVar - This method is used to retrieve the initializer for bit
345 /// reference. For non-VarBitInit, it simply returns itself.
346 virtual Init *getBitVar() const { return const_cast<Init*>(this); }
348 /// getBitNum - This method is used to retrieve the bit number of a bit
349 /// reference. For non-VarBitInit, it simply returns 0.
350 virtual unsigned getBitNum() const { return 0; }
353 inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
354 I.print(OS); return OS;
357 /// TypedInit - This is the common super-class of types that have a specific,
360 class TypedInit : public Init {
363 TypedInit(const TypedInit &Other) = delete;
364 TypedInit &operator=(const TypedInit &Other) = delete;
367 explicit TypedInit(InitKind K, RecTy *T) : Init(K), Ty(T) {}
369 // If this is a DefInit we need to delete the RecordRecTy.
370 if (getKind() == IK_DefInit)
375 static bool classof(const Init *I) {
376 return I->getKind() >= IK_FirstTypedInit &&
377 I->getKind() <= IK_LastTypedInit;
379 RecTy *getType() const { return Ty; }
381 Init *convertInitializerTo(RecTy *Ty) const override;
384 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
386 convertInitListSlice(const std::vector<unsigned> &Elements) const override;
388 /// getFieldType - This method is used to implement the FieldInit class.
389 /// Implementors of this method should return the type of the named field if
390 /// they are of record type.
392 RecTy *getFieldType(const std::string &FieldName) const override;
394 /// resolveListElementReference - This method is used to implement
395 /// VarListElementInit::resolveReferences. If the list element is resolvable
396 /// now, we return the resolved value, otherwise we return null.
397 virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
398 unsigned Elt) const = 0;
401 /// UnsetInit - ? - Represents an uninitialized value
403 class UnsetInit : public Init {
404 UnsetInit() : Init(IK_UnsetInit) {}
405 UnsetInit(const UnsetInit &) = delete;
406 UnsetInit &operator=(const UnsetInit &Other) = delete;
409 static bool classof(const Init *I) {
410 return I->getKind() == IK_UnsetInit;
412 static UnsetInit *get();
414 Init *convertInitializerTo(RecTy *Ty) const override;
416 Init *getBit(unsigned Bit) const override {
417 return const_cast<UnsetInit*>(this);
420 bool isComplete() const override { return false; }
421 std::string getAsString() const override { return "?"; }
424 /// BitInit - true/false - Represent a concrete initializer for a bit.
426 class BitInit : public Init {
429 explicit BitInit(bool V) : Init(IK_BitInit), Value(V) {}
430 BitInit(const BitInit &Other) = delete;
431 BitInit &operator=(BitInit &Other) = delete;
434 static bool classof(const Init *I) {
435 return I->getKind() == IK_BitInit;
437 static BitInit *get(bool V);
439 bool getValue() const { return Value; }
441 Init *convertInitializerTo(RecTy *Ty) const override;
443 Init *getBit(unsigned Bit) const override {
444 assert(Bit < 1 && "Bit index out of range!");
445 return const_cast<BitInit*>(this);
448 std::string getAsString() const override { return Value ? "1" : "0"; }
451 /// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
452 /// It contains a vector of bits, whose size is determined by the type.
454 class BitsInit : public TypedInit, public FoldingSetNode {
455 std::vector<Init*> Bits;
457 BitsInit(ArrayRef<Init *> Range)
458 : TypedInit(IK_BitsInit, BitsRecTy::get(Range.size())),
459 Bits(Range.begin(), Range.end()) {}
461 BitsInit(const BitsInit &Other) = delete;
462 BitsInit &operator=(const BitsInit &Other) = delete;
465 static bool classof(const Init *I) {
466 return I->getKind() == IK_BitsInit;
468 static BitsInit *get(ArrayRef<Init *> Range);
470 void Profile(FoldingSetNodeID &ID) const;
472 unsigned getNumBits() const { return Bits.size(); }
474 Init *convertInitializerTo(RecTy *Ty) const override;
476 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
478 bool isComplete() const override {
479 for (unsigned i = 0; i != getNumBits(); ++i)
480 if (!getBit(i)->isComplete()) return false;
483 bool allInComplete() const {
484 for (unsigned i = 0; i != getNumBits(); ++i)
485 if (getBit(i)->isComplete()) return false;
488 std::string getAsString() const override;
490 /// resolveListElementReference - This method is used to implement
491 /// VarListElementInit::resolveReferences. If the list element is resolvable
492 /// now, we return the resolved value, otherwise we return null.
493 Init *resolveListElementReference(Record &R, const RecordVal *RV,
494 unsigned Elt) const override {
495 llvm_unreachable("Illegal element reference off bits<n>");
498 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
500 Init *getBit(unsigned Bit) const override {
501 assert(Bit < Bits.size() && "Bit index out of range!");
506 /// IntInit - 7 - Represent an initialization by a literal integer value.
508 class IntInit : public TypedInit {
511 explicit IntInit(int64_t V)
512 : TypedInit(IK_IntInit, IntRecTy::get()), Value(V) {}
514 IntInit(const IntInit &Other) = delete;
515 IntInit &operator=(const IntInit &Other) = delete;
518 static bool classof(const Init *I) {
519 return I->getKind() == IK_IntInit;
521 static IntInit *get(int64_t V);
523 int64_t getValue() const { return Value; }
525 Init *convertInitializerTo(RecTy *Ty) const override;
527 convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
529 std::string getAsString() const override;
531 /// resolveListElementReference - This method is used to implement
532 /// VarListElementInit::resolveReferences. If the list element is resolvable
533 /// now, we return the resolved value, otherwise we return null.
534 Init *resolveListElementReference(Record &R, const RecordVal *RV,
535 unsigned Elt) const override {
536 llvm_unreachable("Illegal element reference off int");
539 Init *getBit(unsigned Bit) const override {
540 return BitInit::get((Value & (1ULL << Bit)) != 0);
544 /// StringInit - "foo" - Represent an initialization by a string value.
546 class StringInit : public TypedInit {
549 explicit StringInit(const std::string &V)
550 : TypedInit(IK_StringInit, StringRecTy::get()), Value(V) {}
552 StringInit(const StringInit &Other) = delete;
553 StringInit &operator=(const StringInit &Other) = delete;
556 static bool classof(const Init *I) {
557 return I->getKind() == IK_StringInit;
559 static StringInit *get(StringRef);
561 const std::string &getValue() const { return Value; }
563 Init *convertInitializerTo(RecTy *Ty) const override;
565 std::string getAsString() const override { return "\"" + Value + "\""; }
566 std::string getAsUnquotedString() const override { return Value; }
568 /// resolveListElementReference - This method is used to implement
569 /// VarListElementInit::resolveReferences. If the list element is resolvable
570 /// now, we return the resolved value, otherwise we return null.
571 Init *resolveListElementReference(Record &R, const RecordVal *RV,
572 unsigned Elt) const override {
573 llvm_unreachable("Illegal element reference off string");
576 Init *getBit(unsigned Bit) const override {
577 llvm_unreachable("Illegal bit reference off string");
581 /// ListInit - [AL, AH, CL] - Represent a list of defs
583 class ListInit : public TypedInit, public FoldingSetNode {
584 std::vector<Init*> Values;
587 typedef std::vector<Init*>::const_iterator const_iterator;
590 explicit ListInit(ArrayRef<Init *> Range, RecTy *EltTy)
591 : TypedInit(IK_ListInit, ListRecTy::get(EltTy)),
592 Values(Range.begin(), Range.end()) {}
594 ListInit(const ListInit &Other) = delete;
595 ListInit &operator=(const ListInit &Other) = delete;
598 static bool classof(const Init *I) {
599 return I->getKind() == IK_ListInit;
601 static ListInit *get(ArrayRef<Init *> Range, RecTy *EltTy);
603 void Profile(FoldingSetNodeID &ID) const;
605 Init *getElement(unsigned i) const {
606 assert(i < Values.size() && "List element index out of range!");
610 Record *getElementAsRecord(unsigned i) const;
613 convertInitListSlice(const std::vector<unsigned> &Elements) const override;
615 Init *convertInitializerTo(RecTy *Ty) const override;
617 /// resolveReferences - This method is used by classes that refer to other
618 /// variables which may not be defined at the time they expression is formed.
619 /// If a value is set for the variable later, this method will be called on
620 /// users of the value to allow the value to propagate out.
622 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
624 std::string getAsString() const override;
626 ArrayRef<Init*> getValues() const { return Values; }
628 const_iterator begin() const { return Values.begin(); }
629 const_iterator end () const { return Values.end(); }
631 size_t size () const { return Values.size(); }
632 bool empty() const { return Values.empty(); }
634 /// resolveListElementReference - This method is used to implement
635 /// VarListElementInit::resolveReferences. If the list element is resolvable
636 /// now, we return the resolved value, otherwise we return null.
637 Init *resolveListElementReference(Record &R, const RecordVal *RV,
638 unsigned Elt) const override;
640 Init *getBit(unsigned Bit) const override {
641 llvm_unreachable("Illegal bit reference off list");
645 /// OpInit - Base class for operators
647 class OpInit : public TypedInit {
648 OpInit(const OpInit &Other) = delete;
649 OpInit &operator=(OpInit &Other) = delete;
652 explicit OpInit(InitKind K, RecTy *Type) : TypedInit(K, Type) {}
655 static bool classof(const Init *I) {
656 return I->getKind() >= IK_FirstOpInit &&
657 I->getKind() <= IK_LastOpInit;
659 // Clone - Clone this operator, replacing arguments with the new list
660 virtual OpInit *clone(std::vector<Init *> &Operands) const = 0;
662 virtual unsigned getNumOperands() const = 0;
663 virtual Init *getOperand(unsigned i) const = 0;
665 // Fold - If possible, fold this to a simpler init. Return this if not
667 virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
669 Init *resolveListElementReference(Record &R, const RecordVal *RV,
670 unsigned Elt) const override;
672 Init *getBit(unsigned Bit) const override;
675 /// UnOpInit - !op (X) - Transform an init.
677 class UnOpInit : public OpInit {
679 enum UnaryOp { CAST, HEAD, TAIL, EMPTY };
685 UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type)
686 : OpInit(IK_UnOpInit, Type), Opc(opc), LHS(lhs) {}
688 UnOpInit(const UnOpInit &Other) = delete;
689 UnOpInit &operator=(const UnOpInit &Other) = delete;
692 static bool classof(const Init *I) {
693 return I->getKind() == IK_UnOpInit;
695 static UnOpInit *get(UnaryOp opc, Init *lhs, RecTy *Type);
697 // Clone - Clone this operator, replacing arguments with the new list
698 OpInit *clone(std::vector<Init *> &Operands) const override {
699 assert(Operands.size() == 1 &&
700 "Wrong number of operands for unary operation");
701 return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
704 unsigned getNumOperands() const override { return 1; }
705 Init *getOperand(unsigned i) const override {
706 assert(i == 0 && "Invalid operand id for unary operator");
710 UnaryOp getOpcode() const { return Opc; }
711 Init *getOperand() const { return LHS; }
713 // Fold - If possible, fold this to a simpler init. Return this if not
715 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
717 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
719 std::string getAsString() const override;
722 /// BinOpInit - !op (X, Y) - Combine two inits.
724 class BinOpInit : public OpInit {
726 enum BinaryOp { ADD, AND, SHL, SRA, SRL, LISTCONCAT, STRCONCAT, CONCAT, EQ };
732 BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
733 OpInit(IK_BinOpInit, Type), Opc(opc), LHS(lhs), RHS(rhs) {}
735 BinOpInit(const BinOpInit &Other) = delete;
736 BinOpInit &operator=(const BinOpInit &Other) = delete;
739 static bool classof(const Init *I) {
740 return I->getKind() == IK_BinOpInit;
742 static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
745 // Clone - Clone this operator, replacing arguments with the new list
746 OpInit *clone(std::vector<Init *> &Operands) const override {
747 assert(Operands.size() == 2 &&
748 "Wrong number of operands for binary operation");
749 return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
752 unsigned getNumOperands() const override { return 2; }
753 Init *getOperand(unsigned i) const override {
755 default: llvm_unreachable("Invalid operand id for binary operator");
756 case 0: return getLHS();
757 case 1: return getRHS();
761 BinaryOp getOpcode() const { return Opc; }
762 Init *getLHS() const { return LHS; }
763 Init *getRHS() const { return RHS; }
765 // Fold - If possible, fold this to a simpler init. Return this if not
767 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
769 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
771 std::string getAsString() const override;
774 /// TernOpInit - !op (X, Y, Z) - Combine two inits.
776 class TernOpInit : public OpInit {
778 enum TernaryOp { SUBST, FOREACH, IF };
782 Init *LHS, *MHS, *RHS;
784 TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
786 OpInit(IK_TernOpInit, Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
788 TernOpInit(const TernOpInit &Other) = delete;
789 TernOpInit &operator=(const TernOpInit &Other) = delete;
792 static bool classof(const Init *I) {
793 return I->getKind() == IK_TernOpInit;
795 static TernOpInit *get(TernaryOp opc, Init *lhs,
796 Init *mhs, Init *rhs,
799 // Clone - Clone this operator, replacing arguments with the new list
800 OpInit *clone(std::vector<Init *> &Operands) const override {
801 assert(Operands.size() == 3 &&
802 "Wrong number of operands for ternary operation");
803 return TernOpInit::get(getOpcode(), Operands[0], Operands[1], Operands[2],
807 unsigned getNumOperands() const override { return 3; }
808 Init *getOperand(unsigned i) const override {
810 default: llvm_unreachable("Invalid operand id for ternary operator");
811 case 0: return getLHS();
812 case 1: return getMHS();
813 case 2: return getRHS();
817 TernaryOp getOpcode() const { return Opc; }
818 Init *getLHS() const { return LHS; }
819 Init *getMHS() const { return MHS; }
820 Init *getRHS() const { return RHS; }
822 // Fold - If possible, fold this to a simpler init. Return this if not
824 Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
826 bool isComplete() const override { return false; }
828 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
830 std::string getAsString() const override;
833 /// VarInit - 'Opcode' - Represent a reference to an entire variable object.
835 class VarInit : public TypedInit {
838 explicit VarInit(const std::string &VN, RecTy *T)
839 : TypedInit(IK_VarInit, T), VarName(StringInit::get(VN)) {}
840 explicit VarInit(Init *VN, RecTy *T)
841 : TypedInit(IK_VarInit, T), VarName(VN) {}
843 VarInit(const VarInit &Other) = delete;
844 VarInit &operator=(const VarInit &Other) = delete;
847 static bool classof(const Init *I) {
848 return I->getKind() == IK_VarInit;
850 static VarInit *get(const std::string &VN, RecTy *T);
851 static VarInit *get(Init *VN, RecTy *T);
853 const std::string &getName() const;
854 Init *getNameInit() const { return VarName; }
855 std::string getNameInitAsString() const {
856 return getNameInit()->getAsUnquotedString();
859 Init *resolveListElementReference(Record &R, const RecordVal *RV,
860 unsigned Elt) const override;
862 RecTy *getFieldType(const std::string &FieldName) const override;
863 Init *getFieldInit(Record &R, const RecordVal *RV,
864 const std::string &FieldName) const override;
866 /// resolveReferences - This method is used by classes that refer to other
867 /// variables which may not be defined at the time they expression is formed.
868 /// If a value is set for the variable later, this method will be called on
869 /// users of the value to allow the value to propagate out.
871 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
873 Init *getBit(unsigned Bit) const override;
875 std::string getAsString() const override { return getName(); }
878 /// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
880 class VarBitInit : public Init {
884 VarBitInit(TypedInit *T, unsigned B) : Init(IK_VarBitInit), TI(T), Bit(B) {
885 assert(T->getType() &&
886 (isa<IntRecTy>(T->getType()) ||
887 (isa<BitsRecTy>(T->getType()) &&
888 cast<BitsRecTy>(T->getType())->getNumBits() > B)) &&
889 "Illegal VarBitInit expression!");
892 VarBitInit(const VarBitInit &Other) = delete;
893 VarBitInit &operator=(const VarBitInit &Other) = delete;
896 static bool classof(const Init *I) {
897 return I->getKind() == IK_VarBitInit;
899 static VarBitInit *get(TypedInit *T, unsigned B);
901 Init *convertInitializerTo(RecTy *Ty) const override;
903 Init *getBitVar() const override { return TI; }
904 unsigned getBitNum() const override { return Bit; }
906 std::string getAsString() const override;
907 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
909 Init *getBit(unsigned B) const override {
910 assert(B < 1 && "Bit index out of range!");
911 return const_cast<VarBitInit*>(this);
915 /// VarListElementInit - List[4] - Represent access to one element of a var or
917 class VarListElementInit : public TypedInit {
921 VarListElementInit(TypedInit *T, unsigned E)
922 : TypedInit(IK_VarListElementInit,
923 cast<ListRecTy>(T->getType())->getElementType()),
925 assert(T->getType() && isa<ListRecTy>(T->getType()) &&
926 "Illegal VarBitInit expression!");
929 VarListElementInit(const VarListElementInit &Other) = delete;
930 void operator=(const VarListElementInit &Other) = delete;
933 static bool classof(const Init *I) {
934 return I->getKind() == IK_VarListElementInit;
936 static VarListElementInit *get(TypedInit *T, unsigned E);
938 TypedInit *getVariable() const { return TI; }
939 unsigned getElementNum() const { return Element; }
941 /// resolveListElementReference - This method is used to implement
942 /// VarListElementInit::resolveReferences. If the list element is resolvable
943 /// now, we return the resolved value, otherwise we return null.
944 Init *resolveListElementReference(Record &R, const RecordVal *RV,
945 unsigned Elt) const override;
947 std::string getAsString() const override;
948 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
950 Init *getBit(unsigned Bit) const override;
953 /// DefInit - AL - Represent a reference to a 'def' in the description
955 class DefInit : public TypedInit {
958 DefInit(Record *D, RecordRecTy *T) : TypedInit(IK_DefInit, T), Def(D) {}
961 DefInit(const DefInit &Other) = delete;
962 DefInit &operator=(const DefInit &Other) = delete;
965 static bool classof(const Init *I) {
966 return I->getKind() == IK_DefInit;
968 static DefInit *get(Record*);
970 Init *convertInitializerTo(RecTy *Ty) const override;
972 Record *getDef() const { return Def; }
974 //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
976 RecTy *getFieldType(const std::string &FieldName) const override;
977 Init *getFieldInit(Record &R, const RecordVal *RV,
978 const std::string &FieldName) const override;
980 std::string getAsString() const override;
982 Init *getBit(unsigned Bit) const override {
983 llvm_unreachable("Illegal bit reference off def");
986 /// resolveListElementReference - This method is used to implement
987 /// VarListElementInit::resolveReferences. If the list element is resolvable
988 /// now, we return the resolved value, otherwise we return null.
989 Init *resolveListElementReference(Record &R, const RecordVal *RV,
990 unsigned Elt) const override {
991 llvm_unreachable("Illegal element reference off def");
995 /// FieldInit - X.Y - Represent a reference to a subfield of a variable
997 class FieldInit : public TypedInit {
998 Init *Rec; // Record we are referring to
999 std::string FieldName; // Field we are accessing
1001 FieldInit(Init *R, const std::string &FN)
1002 : TypedInit(IK_FieldInit, R->getFieldType(FN)), Rec(R), FieldName(FN) {
1003 assert(getType() && "FieldInit with non-record type!");
1006 FieldInit(const FieldInit &Other) = delete;
1007 FieldInit &operator=(const FieldInit &Other) = delete;
1010 static bool classof(const Init *I) {
1011 return I->getKind() == IK_FieldInit;
1013 static FieldInit *get(Init *R, const std::string &FN);
1014 static FieldInit *get(Init *R, const Init *FN);
1016 Init *getBit(unsigned Bit) const override;
1018 Init *resolveListElementReference(Record &R, const RecordVal *RV,
1019 unsigned Elt) const override;
1021 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
1023 std::string getAsString() const override {
1024 return Rec->getAsString() + "." + FieldName;
1028 /// DagInit - (v a, b) - Represent a DAG tree value. DAG inits are required
1029 /// to have at least one value then a (possibly empty) list of arguments. Each
1030 /// argument can have a name associated with it.
1032 class DagInit : public TypedInit, public FoldingSetNode {
1034 std::string ValName;
1035 std::vector<Init*> Args;
1036 std::vector<std::string> ArgNames;
1038 DagInit(Init *V, const std::string &VN,
1039 ArrayRef<Init *> ArgRange,
1040 ArrayRef<std::string> NameRange)
1041 : TypedInit(IK_DagInit, DagRecTy::get()), Val(V), ValName(VN),
1042 Args(ArgRange.begin(), ArgRange.end()),
1043 ArgNames(NameRange.begin(), NameRange.end()) {}
1045 DagInit(const DagInit &Other) = delete;
1046 DagInit &operator=(const DagInit &Other) = delete;
1049 static bool classof(const Init *I) {
1050 return I->getKind() == IK_DagInit;
1052 static DagInit *get(Init *V, const std::string &VN,
1053 ArrayRef<Init *> ArgRange,
1054 ArrayRef<std::string> NameRange);
1055 static DagInit *get(Init *V, const std::string &VN,
1057 std::pair<Init*, std::string> > &args);
1059 void Profile(FoldingSetNodeID &ID) const;
1061 Init *convertInitializerTo(RecTy *Ty) const override;
1063 Init *getOperator() const { return Val; }
1065 const std::string &getName() const { return ValName; }
1067 unsigned getNumArgs() const { return Args.size(); }
1068 Init *getArg(unsigned Num) const {
1069 assert(Num < Args.size() && "Arg number out of range!");
1072 const std::string &getArgName(unsigned Num) const {
1073 assert(Num < ArgNames.size() && "Arg number out of range!");
1074 return ArgNames[Num];
1077 Init *resolveReferences(Record &R, const RecordVal *RV) const override;
1079 std::string getAsString() const override;
1081 typedef std::vector<Init*>::const_iterator const_arg_iterator;
1082 typedef std::vector<std::string>::const_iterator const_name_iterator;
1084 inline const_arg_iterator arg_begin() const { return Args.begin(); }
1085 inline const_arg_iterator arg_end () const { return Args.end(); }
1087 inline size_t arg_size () const { return Args.size(); }
1088 inline bool arg_empty() const { return Args.empty(); }
1090 inline const_name_iterator name_begin() const { return ArgNames.begin(); }
1091 inline const_name_iterator name_end () const { return ArgNames.end(); }
1093 inline size_t name_size () const { return ArgNames.size(); }
1094 inline bool name_empty() const { return ArgNames.empty(); }
1096 Init *getBit(unsigned Bit) const override {
1097 llvm_unreachable("Illegal bit reference off dag");
1100 Init *resolveListElementReference(Record &R, const RecordVal *RV,
1101 unsigned Elt) const override {
1102 llvm_unreachable("Illegal element reference off dag");
1106 //===----------------------------------------------------------------------===//
1107 // High-Level Classes
1108 //===----------------------------------------------------------------------===//
1111 PointerIntPair<Init *, 1, bool> NameAndPrefix;
1116 RecordVal(Init *N, RecTy *T, bool P);
1117 RecordVal(const std::string &N, RecTy *T, bool P);
1119 const std::string &getName() const;
1120 const Init *getNameInit() const { return NameAndPrefix.getPointer(); }
1121 std::string getNameInitAsString() const {
1122 return getNameInit()->getAsUnquotedString();
1125 bool getPrefix() const { return NameAndPrefix.getInt(); }
1126 RecTy *getType() const { return Ty; }
1127 Init *getValue() const { return Value; }
1129 bool setValue(Init *V) {
1131 Value = V->convertInitializerTo(Ty);
1132 return Value == nullptr;
1139 void print(raw_ostream &OS, bool PrintSem = true) const;
1142 inline raw_ostream &operator<<(raw_ostream &OS, const RecordVal &RV) {
1143 RV.print(OS << " ");
1148 static unsigned LastID;
1150 // Unique record ID.
1153 // Location where record was instantiated, followed by the location of
1154 // multiclass prototypes used.
1155 SmallVector<SMLoc, 4> Locs;
1156 std::vector<Init *> TemplateArgs;
1157 std::vector<RecordVal> Values;
1158 std::vector<Record *> SuperClasses;
1159 std::vector<SMRange> SuperClassRanges;
1161 // Tracks Record instances. Not owned by Record.
1162 RecordKeeper &TrackedRecords;
1167 // Class-instance values can be used by other defs. For example, Struct<i>
1168 // is used here as a template argument to another class:
1170 // multiclass MultiClass<int i> {
1171 // def Def : Class<Struct<i>>;
1173 // These need to get fully resolved before instantiating any other
1174 // definitions that use them (e.g. Def). However, inside a multiclass they
1175 // can't be immediately resolved so we mark them ResolveFirst to fully
1176 // resolve them later as soon as the multiclass is instantiated.
1183 // Constructs a record.
1184 explicit Record(Init *N, ArrayRef<SMLoc> locs, RecordKeeper &records,
1185 bool Anonymous = false) :
1186 ID(LastID++), Name(N), Locs(locs.begin(), locs.end()),
1187 TrackedRecords(records), TheInit(nullptr), IsAnonymous(Anonymous),
1188 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. All other fields can be copied normally.
1198 Record(const Record &O) :
1199 ID(LastID++), Name(O.Name), Locs(O.Locs), TemplateArgs(O.TemplateArgs),
1200 Values(O.Values), SuperClasses(O.SuperClasses),
1201 SuperClassRanges(O.SuperClassRanges), TrackedRecords(O.TrackedRecords),
1202 TheInit(O.TheInit), IsAnonymous(O.IsAnonymous),
1203 ResolveFirst(O.ResolveFirst) { }
1205 static unsigned getNewUID() { return LastID++; }
1207 unsigned getID() const { return ID; }
1209 const std::string &getName() const;
1210 Init *getNameInit() const {
1213 const std::string getNameInitAsString() const {
1214 return getNameInit()->getAsUnquotedString();
1217 void setName(Init *Name); // Also updates RecordKeeper.
1218 void setName(const std::string &Name); // Also updates RecordKeeper.
1220 ArrayRef<SMLoc> getLoc() const { return Locs; }
1222 /// get the corresponding DefInit.
1223 DefInit *getDefInit();
1225 const std::vector<Init *> &getTemplateArgs() const {
1226 return TemplateArgs;
1228 const std::vector<RecordVal> &getValues() const { return Values; }
1229 const std::vector<Record*> &getSuperClasses() const { return SuperClasses; }
1230 ArrayRef<SMRange> getSuperClassRanges() const { return SuperClassRanges; }
1232 bool isTemplateArg(Init *Name) const {
1233 for (Init *TA : TemplateArgs)
1234 if (TA == Name) return true;
1237 bool isTemplateArg(StringRef Name) const {
1238 return isTemplateArg(StringInit::get(Name));
1241 const RecordVal *getValue(const Init *Name) const {
1242 for (const RecordVal &Val : Values)
1243 if (Val.getNameInit() == Name) return &Val;
1246 const RecordVal *getValue(StringRef Name) const {
1247 return getValue(StringInit::get(Name));
1249 RecordVal *getValue(const Init *Name) {
1250 for (RecordVal &Val : Values)
1251 if (Val.getNameInit() == Name) return &Val;
1254 RecordVal *getValue(StringRef Name) {
1255 return getValue(StringInit::get(Name));
1258 void addTemplateArg(Init *Name) {
1259 assert(!isTemplateArg(Name) && "Template arg already defined!");
1260 TemplateArgs.push_back(Name);
1262 void addTemplateArg(StringRef Name) {
1263 addTemplateArg(StringInit::get(Name));
1266 void addValue(const RecordVal &RV) {
1267 assert(getValue(RV.getNameInit()) == nullptr && "Value already added!");
1268 Values.push_back(RV);
1269 if (Values.size() > 1)
1270 // Keep NAME at the end of the list. It makes record dumps a
1271 // bit prettier and allows TableGen tests to be written more
1272 // naturally. Tests can use CHECK-NEXT to look for Record
1273 // fields they expect to see after a def. They can't do that if
1274 // NAME is the first Record field.
1275 std::swap(Values[Values.size() - 2], Values[Values.size() - 1]);
1278 void removeValue(Init *Name) {
1279 for (unsigned i = 0, e = Values.size(); i != e; ++i)
1280 if (Values[i].getNameInit() == Name) {
1281 Values.erase(Values.begin()+i);
1284 llvm_unreachable("Cannot remove an entry that does not exist!");
1287 void removeValue(StringRef Name) {
1288 removeValue(StringInit::get(Name));
1291 bool isSubClassOf(const Record *R) const {
1292 for (const Record *SC : SuperClasses)
1298 bool isSubClassOf(StringRef Name) const {
1299 for (const Record *SC : SuperClasses)
1300 if (SC->getNameInitAsString() == Name)
1305 void addSuperClass(Record *R, SMRange Range) {
1306 assert(!isSubClassOf(R) && "Already subclassing record!");
1307 SuperClasses.push_back(R);
1308 SuperClassRanges.push_back(Range);
1311 /// resolveReferences - If there are any field references that refer to fields
1312 /// that have been filled in, we can propagate the values now.
1314 void resolveReferences() { resolveReferencesTo(nullptr); }
1316 /// resolveReferencesTo - If anything in this record refers to RV, replace the
1317 /// reference to RV with the RHS of RV. If RV is null, we resolve all
1318 /// possible references.
1319 void resolveReferencesTo(const RecordVal *RV);
1321 RecordKeeper &getRecords() const {
1322 return TrackedRecords;
1325 bool isAnonymous() const {
1329 bool isResolveFirst() const {
1330 return ResolveFirst;
1333 void setResolveFirst(bool b) {
1339 //===--------------------------------------------------------------------===//
1340 // High-level methods useful to tablegen back-ends
1343 /// getValueInit - Return the initializer for a value with the specified name,
1344 /// or throw an exception if the field does not exist.
1346 Init *getValueInit(StringRef FieldName) const;
1348 /// Return true if the named field is unset.
1349 bool isValueUnset(StringRef FieldName) const {
1350 return isa<UnsetInit>(getValueInit(FieldName));
1353 /// getValueAsString - This method looks up the specified field and returns
1354 /// its value as a string, throwing an exception if the field does not exist
1355 /// or if the value is not a string.
1357 std::string getValueAsString(StringRef FieldName) const;
1359 /// getValueAsBitsInit - This method looks up the specified field and returns
1360 /// its value as a BitsInit, throwing an exception if the field does not exist
1361 /// or if the value is not the right type.
1363 BitsInit *getValueAsBitsInit(StringRef FieldName) const;
1365 /// getValueAsListInit - This method looks up the specified field and returns
1366 /// its value as a ListInit, throwing an exception if the field does not exist
1367 /// or if the value is not the right type.
1369 ListInit *getValueAsListInit(StringRef FieldName) const;
1371 /// getValueAsListOfDefs - This method looks up the specified field and
1372 /// returns its value as a vector of records, throwing an exception if the
1373 /// field does not exist or if the value is not the right type.
1375 std::vector<Record*> getValueAsListOfDefs(StringRef FieldName) const;
1377 /// getValueAsListOfInts - This method looks up the specified field and
1378 /// returns its value as a vector of integers, throwing an exception if the
1379 /// field does not exist or if the value is not the right type.
1381 std::vector<int64_t> getValueAsListOfInts(StringRef FieldName) const;
1383 /// getValueAsListOfStrings - This method looks up the specified field and
1384 /// returns its value as a vector of strings, throwing an exception if the
1385 /// field does not exist or if the value is not the right type.
1387 std::vector<std::string> getValueAsListOfStrings(StringRef FieldName) const;
1389 /// getValueAsDef - This method looks up the specified field and returns its
1390 /// value as a Record, throwing an exception if the field does not exist or if
1391 /// the value is not the right type.
1393 Record *getValueAsDef(StringRef FieldName) const;
1395 /// getValueAsBit - This method looks up the specified field and returns its
1396 /// value as a bit, throwing an exception if the field does not exist or if
1397 /// the value is not the right type.
1399 bool getValueAsBit(StringRef FieldName) const;
1401 /// getValueAsBitOrUnset - This method looks up the specified field and
1402 /// returns its value as a bit. If the field is unset, sets Unset to true and
1405 bool getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const;
1407 /// getValueAsInt - This method looks up the specified field and returns its
1408 /// value as an int64_t, throwing an exception if the field does not exist or
1409 /// if the value is not the right type.
1411 int64_t getValueAsInt(StringRef FieldName) const;
1413 /// getValueAsDag - This method looks up the specified field and returns its
1414 /// value as an Dag, throwing an exception if the field does not exist or if
1415 /// the value is not the right type.
1417 DagInit *getValueAsDag(StringRef FieldName) const;
1420 raw_ostream &operator<<(raw_ostream &OS, const Record &R);
1423 Record Rec; // Placeholder for template args and Name.
1424 typedef std::vector<std::unique_ptr<Record>> RecordVector;
1425 RecordVector DefPrototypes;
1429 MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
1430 Rec(Name, Loc, Records) {}
1433 class RecordKeeper {
1434 typedef std::map<std::string, std::unique_ptr<Record>> RecordMap;
1435 RecordMap Classes, Defs;
1438 const RecordMap &getClasses() const { return Classes; }
1439 const RecordMap &getDefs() const { return Defs; }
1441 Record *getClass(const std::string &Name) const {
1442 auto I = Classes.find(Name);
1443 return I == Classes.end() ? nullptr : I->second.get();
1445 Record *getDef(const std::string &Name) const {
1446 auto I = Defs.find(Name);
1447 return I == Defs.end() ? nullptr : I->second.get();
1449 void addClass(std::unique_ptr<Record> R) {
1450 bool Ins = Classes.insert(std::make_pair(R->getName(),
1451 std::move(R))).second;
1453 assert(Ins && "Class already exists");
1455 void addDef(std::unique_ptr<Record> R) {
1456 bool Ins = Defs.insert(std::make_pair(R->getName(),
1457 std::move(R))).second;
1459 assert(Ins && "Record already exists");
1462 //===--------------------------------------------------------------------===//
1463 // High-level helper methods, useful for tablegen backends...
1465 /// getAllDerivedDefinitions - This method returns all concrete definitions
1466 /// that derive from the specified class name. If a class with the specified
1467 /// name does not exist, an exception is thrown.
1468 std::vector<Record*>
1469 getAllDerivedDefinitions(const std::string &ClassName) const;
1474 /// LessRecord - Sorting predicate to sort record pointers by name.
1477 bool operator()(const Record *Rec1, const Record *Rec2) const {
1478 return StringRef(Rec1->getName()).compare_numeric(Rec2->getName()) < 0;
1482 /// LessRecordByID - Sorting predicate to sort record pointers by their
1483 /// unique ID. If you just need a deterministic order, use this, since it
1484 /// just compares two `unsigned`; the other sorting predicates require
1485 /// string manipulation.
1486 struct LessRecordByID {
1487 bool operator()(const Record *LHS, const Record *RHS) const {
1488 return LHS->getID() < RHS->getID();
1492 /// LessRecordFieldName - Sorting predicate to sort record pointers by their
1495 struct LessRecordFieldName {
1496 bool operator()(const Record *Rec1, const Record *Rec2) const {
1497 return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
1501 struct LessRecordRegister {
1502 static bool ascii_isdigit(char x) { return x >= '0' && x <= '9'; }
1504 struct RecordParts {
1505 SmallVector<std::pair< bool, StringRef>, 4> Parts;
1507 RecordParts(StringRef Rec) {
1512 const char *Start = Rec.data();
1513 const char *Curr = Start;
1514 bool isDigitPart = ascii_isdigit(Curr[0]);
1515 for (size_t I = 0, E = Rec.size(); I != E; ++I, ++Len) {
1516 bool isDigit = ascii_isdigit(Curr[I]);
1517 if (isDigit != isDigitPart) {
1518 Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
1521 isDigitPart = ascii_isdigit(Curr[I]);
1524 // Push the last part.
1525 Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
1528 size_t size() { return Parts.size(); }
1530 std::pair<bool, StringRef> getPart(size_t i) {
1531 assert (i < Parts.size() && "Invalid idx!");
1536 bool operator()(const Record *Rec1, const Record *Rec2) const {
1537 RecordParts LHSParts(StringRef(Rec1->getName()));
1538 RecordParts RHSParts(StringRef(Rec2->getName()));
1540 size_t LHSNumParts = LHSParts.size();
1541 size_t RHSNumParts = RHSParts.size();
1542 assert (LHSNumParts && RHSNumParts && "Expected at least one part!");
1544 if (LHSNumParts != RHSNumParts)
1545 return LHSNumParts < RHSNumParts;
1547 // We expect the registers to be of the form [_a-zA-z]+([0-9]*[_a-zA-Z]*)*.
1548 for (size_t I = 0, E = LHSNumParts; I < E; I+=2) {
1549 std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
1550 std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
1551 // Expect even part to always be alpha.
1552 assert (LHSPart.first == false && RHSPart.first == false &&
1553 "Expected both parts to be alpha.");
1554 if (int Res = LHSPart.second.compare(RHSPart.second))
1557 for (size_t I = 1, E = LHSNumParts; I < E; I+=2) {
1558 std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
1559 std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
1560 // Expect odd part to always be numeric.
1561 assert (LHSPart.first == true && RHSPart.first == true &&
1562 "Expected both parts to be numeric.");
1563 if (LHSPart.second.size() != RHSPart.second.size())
1564 return LHSPart.second.size() < RHSPart.second.size();
1566 unsigned LHSVal, RHSVal;
1568 bool LHSFailed = LHSPart.second.getAsInteger(10, LHSVal); (void)LHSFailed;
1569 assert(!LHSFailed && "Unable to convert LHS to integer.");
1570 bool RHSFailed = RHSPart.second.getAsInteger(10, RHSVal); (void)RHSFailed;
1571 assert(!RHSFailed && "Unable to convert RHS to integer.");
1573 if (LHSVal != RHSVal)
1574 return LHSVal < RHSVal;
1576 return LHSNumParts < RHSNumParts;
1580 raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
1582 /// QualifyName - Return an Init with a qualifier prefix referring
1583 /// to CurRec's name.
1584 Init *QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1585 Init *Name, const std::string &Scoper);
1587 /// QualifyName - Return an Init with a qualifier prefix referring
1588 /// to CurRec's name.
1589 Init *QualifyName(Record &CurRec, MultiClass *CurMultiClass,
1590 const std::string &Name, const std::string &Scoper);
1592 } // End llvm namespace