| //===- Record.cpp - Record implementation ---------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Implement the tablegen record classes. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/ADT/ArrayRef.h" |
| #include "llvm/ADT/DenseMap.h" |
| #include "llvm/ADT/FoldingSet.h" |
| #include "llvm/ADT/SmallString.h" |
| #include "llvm/ADT/SmallVector.h" |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/ADT/StringMap.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/Allocator.h" |
| #include "llvm/Support/Casting.h" |
| #include "llvm/Support/Compiler.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Support/SMLoc.h" |
| #include "llvm/Support/raw_ostream.h" |
| #include "llvm/TableGen/Error.h" |
| #include "llvm/TableGen/Record.h" |
| #include <cassert> |
| #include <cstdint> |
| #include <memory> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| using namespace llvm; |
| |
| static BumpPtrAllocator Allocator; |
| |
| //===----------------------------------------------------------------------===// |
| // Type implementations |
| //===----------------------------------------------------------------------===// |
| |
| BitRecTy BitRecTy::Shared; |
| CodeRecTy CodeRecTy::Shared; |
| IntRecTy IntRecTy::Shared; |
| StringRecTy StringRecTy::Shared; |
| DagRecTy DagRecTy::Shared; |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| LLVM_DUMP_METHOD void RecTy::dump() const { print(errs()); } |
| #endif |
| |
| ListRecTy *RecTy::getListTy() { |
| if (!ListTy) |
| ListTy = new(Allocator) ListRecTy(this); |
| return ListTy; |
| } |
| |
| bool RecTy::typeIsConvertibleTo(const RecTy *RHS) const { |
| assert(RHS && "NULL pointer"); |
| return Kind == RHS->getRecTyKind(); |
| } |
| |
| bool BitRecTy::typeIsConvertibleTo(const RecTy *RHS) const{ |
| if (RecTy::typeIsConvertibleTo(RHS) || RHS->getRecTyKind() == IntRecTyKind) |
| return true; |
| if (const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS)) |
| return BitsTy->getNumBits() == 1; |
| return false; |
| } |
| |
| BitsRecTy *BitsRecTy::get(unsigned Sz) { |
| static std::vector<BitsRecTy*> Shared; |
| if (Sz >= Shared.size()) |
| Shared.resize(Sz + 1); |
| BitsRecTy *&Ty = Shared[Sz]; |
| if (!Ty) |
| Ty = new(Allocator) BitsRecTy(Sz); |
| return Ty; |
| } |
| |
| std::string BitsRecTy::getAsString() const { |
| return "bits<" + utostr(Size) + ">"; |
| } |
| |
| bool BitsRecTy::typeIsConvertibleTo(const RecTy *RHS) const { |
| if (RecTy::typeIsConvertibleTo(RHS)) //argument and the sender are same type |
| return cast<BitsRecTy>(RHS)->Size == Size; |
| RecTyKind kind = RHS->getRecTyKind(); |
| return (kind == BitRecTyKind && Size == 1) || (kind == IntRecTyKind); |
| } |
| |
| bool IntRecTy::typeIsConvertibleTo(const RecTy *RHS) const { |
| RecTyKind kind = RHS->getRecTyKind(); |
| return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind; |
| } |
| |
| std::string StringRecTy::getAsString() const { |
| return "string"; |
| } |
| |
| std::string ListRecTy::getAsString() const { |
| return "list<" + Ty->getAsString() + ">"; |
| } |
| |
| bool ListRecTy::typeIsConvertibleTo(const RecTy *RHS) const { |
| if (const auto *ListTy = dyn_cast<ListRecTy>(RHS)) |
| return Ty->typeIsConvertibleTo(ListTy->getElementType()); |
| return false; |
| } |
| |
| std::string DagRecTy::getAsString() const { |
| return "dag"; |
| } |
| |
| RecordRecTy *RecordRecTy::get(Record *R) { |
| return dyn_cast<RecordRecTy>(R->getDefInit()->getType()); |
| } |
| |
| std::string RecordRecTy::getAsString() const { |
| return Rec->getName(); |
| } |
| |
| bool RecordRecTy::typeIsConvertibleTo(const RecTy *RHS) const { |
| const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS); |
| if (!RTy) |
| return false; |
| |
| if (RTy->getRecord() == Rec || Rec->isSubClassOf(RTy->getRecord())) |
| return true; |
| |
| for (const auto &SCPair : RTy->getRecord()->getSuperClasses()) |
| if (Rec->isSubClassOf(SCPair.first)) |
| return true; |
| |
| return false; |
| } |
| |
| RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) { |
| if (T1->typeIsConvertibleTo(T2)) |
| return T2; |
| if (T2->typeIsConvertibleTo(T1)) |
| return T1; |
| |
| // If one is a Record type, check superclasses |
| if (RecordRecTy *RecTy1 = dyn_cast<RecordRecTy>(T1)) { |
| // See if T2 inherits from a type T1 also inherits from |
| for (const auto &SuperPair1 : RecTy1->getRecord()->getSuperClasses()) { |
| RecordRecTy *SuperRecTy1 = RecordRecTy::get(SuperPair1.first); |
| RecTy *NewType1 = resolveTypes(SuperRecTy1, T2); |
| if (NewType1) |
| return NewType1; |
| } |
| } |
| if (RecordRecTy *RecTy2 = dyn_cast<RecordRecTy>(T2)) { |
| // See if T1 inherits from a type T2 also inherits from |
| for (const auto &SuperPair2 : RecTy2->getRecord()->getSuperClasses()) { |
| RecordRecTy *SuperRecTy2 = RecordRecTy::get(SuperPair2.first); |
| RecTy *NewType2 = resolveTypes(T1, SuperRecTy2); |
| if (NewType2) |
| return NewType2; |
| } |
| } |
| return nullptr; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Initializer implementations |
| //===----------------------------------------------------------------------===// |
| |
| void Init::anchor() {} |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| LLVM_DUMP_METHOD void Init::dump() const { return print(errs()); } |
| #endif |
| |
| UnsetInit *UnsetInit::get() { |
| static UnsetInit TheInit; |
| return &TheInit; |
| } |
| |
| Init *UnsetInit::convertInitializerTo(RecTy *Ty) const { |
| if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { |
| SmallVector<Init *, 16> NewBits(BRT->getNumBits()); |
| |
| for (unsigned i = 0; i != BRT->getNumBits(); ++i) |
| NewBits[i] = UnsetInit::get(); |
| |
| return BitsInit::get(NewBits); |
| } |
| |
| // All other types can just be returned. |
| return const_cast<UnsetInit *>(this); |
| } |
| |
| BitInit *BitInit::get(bool V) { |
| static BitInit True(true); |
| static BitInit False(false); |
| |
| return V ? &True : &False; |
| } |
| |
| Init *BitInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<BitRecTy>(Ty)) |
| return const_cast<BitInit *>(this); |
| |
| if (isa<IntRecTy>(Ty)) |
| return IntInit::get(getValue()); |
| |
| if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { |
| // Can only convert single bit. |
| if (BRT->getNumBits() == 1) |
| return BitsInit::get(const_cast<BitInit *>(this)); |
| } |
| |
| return nullptr; |
| } |
| |
| static void |
| ProfileBitsInit(FoldingSetNodeID &ID, ArrayRef<Init *> Range) { |
| ID.AddInteger(Range.size()); |
| |
| for (Init *I : Range) |
| ID.AddPointer(I); |
| } |
| |
| BitsInit *BitsInit::get(ArrayRef<Init *> Range) { |
| static FoldingSet<BitsInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileBitsInit(ID, Range); |
| |
| void *IP = nullptr; |
| if (BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(Range.size()), |
| alignof(BitsInit)); |
| BitsInit *I = new(Mem) BitsInit(Range.size()); |
| std::uninitialized_copy(Range.begin(), Range.end(), |
| I->getTrailingObjects<Init *>()); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| void BitsInit::Profile(FoldingSetNodeID &ID) const { |
| ProfileBitsInit(ID, makeArrayRef(getTrailingObjects<Init *>(), NumBits)); |
| } |
| |
| Init *BitsInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<BitRecTy>(Ty)) { |
| if (getNumBits() != 1) return nullptr; // Only accept if just one bit! |
| return getBit(0); |
| } |
| |
| if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { |
| // If the number of bits is right, return it. Otherwise we need to expand |
| // or truncate. |
| if (getNumBits() != BRT->getNumBits()) return nullptr; |
| return const_cast<BitsInit *>(this); |
| } |
| |
| if (isa<IntRecTy>(Ty)) { |
| int64_t Result = 0; |
| for (unsigned i = 0, e = getNumBits(); i != e; ++i) |
| if (auto *Bit = dyn_cast<BitInit>(getBit(i))) |
| Result |= static_cast<int64_t>(Bit->getValue()) << i; |
| else |
| return nullptr; |
| return IntInit::get(Result); |
| } |
| |
| return nullptr; |
| } |
| |
| Init * |
| BitsInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { |
| SmallVector<Init *, 16> NewBits(Bits.size()); |
| |
| for (unsigned i = 0, e = Bits.size(); i != e; ++i) { |
| if (Bits[i] >= getNumBits()) |
| return nullptr; |
| NewBits[i] = getBit(Bits[i]); |
| } |
| return BitsInit::get(NewBits); |
| } |
| |
| std::string BitsInit::getAsString() const { |
| std::string Result = "{ "; |
| for (unsigned i = 0, e = getNumBits(); i != e; ++i) { |
| if (i) Result += ", "; |
| if (Init *Bit = getBit(e-i-1)) |
| Result += Bit->getAsString(); |
| else |
| Result += "*"; |
| } |
| return Result + " }"; |
| } |
| |
| // Fix bit initializer to preserve the behavior that bit reference from a unset |
| // bits initializer will resolve into VarBitInit to keep the field name and bit |
| // number used in targets with fixed insn length. |
| static Init *fixBitInit(const RecordVal *RV, Init *Before, Init *After) { |
| if (RV || !isa<UnsetInit>(After)) |
| return After; |
| return Before; |
| } |
| |
| // resolveReferences - If there are any field references that refer to fields |
| // that have been filled in, we can propagate the values now. |
| Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| bool Changed = false; |
| SmallVector<Init *, 16> NewBits(getNumBits()); |
| |
| Init *CachedInit = nullptr; |
| Init *CachedBitVar = nullptr; |
| bool CachedBitVarChanged = false; |
| |
| for (unsigned i = 0, e = getNumBits(); i != e; ++i) { |
| Init *CurBit = getBit(i); |
| Init *CurBitVar = CurBit->getBitVar(); |
| |
| NewBits[i] = CurBit; |
| |
| if (CurBitVar == CachedBitVar) { |
| if (CachedBitVarChanged) { |
| Init *Bit = CachedInit->getBit(CurBit->getBitNum()); |
| NewBits[i] = fixBitInit(RV, CurBit, Bit); |
| } |
| continue; |
| } |
| CachedBitVar = CurBitVar; |
| CachedBitVarChanged = false; |
| |
| Init *B; |
| do { |
| B = CurBitVar; |
| CurBitVar = CurBitVar->resolveReferences(R, RV); |
| CachedBitVarChanged |= B != CurBitVar; |
| Changed |= B != CurBitVar; |
| } while (B != CurBitVar); |
| CachedInit = CurBitVar; |
| |
| if (CachedBitVarChanged) { |
| Init *Bit = CurBitVar->getBit(CurBit->getBitNum()); |
| NewBits[i] = fixBitInit(RV, CurBit, Bit); |
| } |
| } |
| |
| if (Changed) |
| return BitsInit::get(NewBits); |
| |
| return const_cast<BitsInit *>(this); |
| } |
| |
| IntInit *IntInit::get(int64_t V) { |
| static DenseMap<int64_t, IntInit*> ThePool; |
| |
| IntInit *&I = ThePool[V]; |
| if (!I) I = new(Allocator) IntInit(V); |
| return I; |
| } |
| |
| std::string IntInit::getAsString() const { |
| return itostr(Value); |
| } |
| |
| static bool canFitInBitfield(int64_t Value, unsigned NumBits) { |
| // For example, with NumBits == 4, we permit Values from [-7 .. 15]. |
| return (NumBits >= sizeof(Value) * 8) || |
| (Value >> NumBits == 0) || (Value >> (NumBits-1) == -1); |
| } |
| |
| Init *IntInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<IntRecTy>(Ty)) |
| return const_cast<IntInit *>(this); |
| |
| if (isa<BitRecTy>(Ty)) { |
| int64_t Val = getValue(); |
| if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit! |
| return BitInit::get(Val != 0); |
| } |
| |
| if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { |
| int64_t Value = getValue(); |
| // Make sure this bitfield is large enough to hold the integer value. |
| if (!canFitInBitfield(Value, BRT->getNumBits())) |
| return nullptr; |
| |
| SmallVector<Init *, 16> NewBits(BRT->getNumBits()); |
| for (unsigned i = 0; i != BRT->getNumBits(); ++i) |
| NewBits[i] = BitInit::get(Value & (1LL << i)); |
| |
| return BitsInit::get(NewBits); |
| } |
| |
| return nullptr; |
| } |
| |
| Init * |
| IntInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { |
| SmallVector<Init *, 16> NewBits(Bits.size()); |
| |
| for (unsigned i = 0, e = Bits.size(); i != e; ++i) { |
| if (Bits[i] >= 64) |
| return nullptr; |
| |
| NewBits[i] = BitInit::get(Value & (INT64_C(1) << Bits[i])); |
| } |
| return BitsInit::get(NewBits); |
| } |
| |
| CodeInit *CodeInit::get(StringRef V) { |
| static StringMap<CodeInit*, BumpPtrAllocator &> ThePool(Allocator); |
| |
| auto &Entry = *ThePool.insert(std::make_pair(V, nullptr)).first; |
| if (!Entry.second) |
| Entry.second = new(Allocator) CodeInit(Entry.getKey()); |
| return Entry.second; |
| } |
| |
| StringInit *StringInit::get(StringRef V) { |
| static StringMap<StringInit*, BumpPtrAllocator &> ThePool(Allocator); |
| |
| auto &Entry = *ThePool.insert(std::make_pair(V, nullptr)).first; |
| if (!Entry.second) |
| Entry.second = new(Allocator) StringInit(Entry.getKey()); |
| return Entry.second; |
| } |
| |
| Init *StringInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<StringRecTy>(Ty)) |
| return const_cast<StringInit *>(this); |
| |
| return nullptr; |
| } |
| |
| Init *CodeInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<CodeRecTy>(Ty)) |
| return const_cast<CodeInit *>(this); |
| |
| return nullptr; |
| } |
| |
| static void ProfileListInit(FoldingSetNodeID &ID, |
| ArrayRef<Init *> Range, |
| RecTy *EltTy) { |
| ID.AddInteger(Range.size()); |
| ID.AddPointer(EltTy); |
| |
| for (Init *I : Range) |
| ID.AddPointer(I); |
| } |
| |
| ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) { |
| static FoldingSet<ListInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileListInit(ID, Range, EltTy); |
| |
| void *IP = nullptr; |
| if (ListInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *>(Range.size()), |
| alignof(ListInit)); |
| ListInit *I = new(Mem) ListInit(Range.size(), EltTy); |
| std::uninitialized_copy(Range.begin(), Range.end(), |
| I->getTrailingObjects<Init *>()); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| void ListInit::Profile(FoldingSetNodeID &ID) const { |
| RecTy *EltTy = cast<ListRecTy>(getType())->getElementType(); |
| |
| ProfileListInit(ID, getValues(), EltTy); |
| } |
| |
| Init *ListInit::convertInitializerTo(RecTy *Ty) const { |
| if (getType() == Ty) |
| return const_cast<ListInit*>(this); |
| |
| if (auto *LRT = dyn_cast<ListRecTy>(Ty)) { |
| SmallVector<Init*, 8> Elements; |
| Elements.reserve(getValues().size()); |
| |
| // Verify that all of the elements of the list are subclasses of the |
| // appropriate class! |
| bool Changed = false; |
| RecTy *ElementType = LRT->getElementType(); |
| for (Init *I : getValues()) |
| if (Init *CI = I->convertInitializerTo(ElementType)) { |
| Elements.push_back(CI); |
| if (CI != I) |
| Changed = true; |
| } else |
| return nullptr; |
| |
| if (!Changed) |
| return const_cast<ListInit*>(this); |
| return ListInit::get(Elements, Ty); |
| } |
| |
| return nullptr; |
| } |
| |
| Init *ListInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { |
| SmallVector<Init*, 8> Vals; |
| Vals.reserve(Elements.size()); |
| for (unsigned Element : Elements) { |
| if (Element >= size()) |
| return nullptr; |
| Vals.push_back(getElement(Element)); |
| } |
| return ListInit::get(Vals, getType()); |
| } |
| |
| Record *ListInit::getElementAsRecord(unsigned i) const { |
| assert(i < NumValues && "List element index out of range!"); |
| DefInit *DI = dyn_cast<DefInit>(getElement(i)); |
| if (!DI) |
| PrintFatalError("Expected record in list!"); |
| return DI->getDef(); |
| } |
| |
| Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| SmallVector<Init*, 8> Resolved; |
| Resolved.reserve(size()); |
| bool Changed = false; |
| |
| for (Init *CurElt : getValues()) { |
| Init *E; |
| |
| do { |
| E = CurElt; |
| CurElt = CurElt->resolveReferences(R, RV); |
| Changed |= E != CurElt; |
| } while (E != CurElt); |
| Resolved.push_back(E); |
| } |
| |
| if (Changed) |
| return ListInit::get(Resolved, getType()); |
| return const_cast<ListInit *>(this); |
| } |
| |
| Init *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV, |
| unsigned Elt) const { |
| if (Elt >= size()) |
| return nullptr; // Out of range reference. |
| Init *E = getElement(Elt); |
| // If the element is set to some value, or if we are resolving a reference |
| // to a specific variable and that variable is explicitly unset, then |
| // replace the VarListElementInit with it. |
| if (IRV || !isa<UnsetInit>(E)) |
| return E; |
| return nullptr; |
| } |
| |
| std::string ListInit::getAsString() const { |
| std::string Result = "["; |
| const char *sep = ""; |
| for (Init *Element : *this) { |
| Result += sep; |
| sep = ", "; |
| Result += Element->getAsString(); |
| } |
| return Result + "]"; |
| } |
| |
| Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV, |
| unsigned Elt) const { |
| Init *Resolved = resolveReferences(R, IRV); |
| OpInit *OResolved = dyn_cast<OpInit>(Resolved); |
| if (OResolved) { |
| Resolved = OResolved->Fold(&R, nullptr); |
| } |
| |
| if (Resolved != this) { |
| TypedInit *Typed = cast<TypedInit>(Resolved); |
| if (Init *New = Typed->resolveListElementReference(R, IRV, Elt)) |
| return New; |
| return VarListElementInit::get(Typed, Elt); |
| } |
| |
| return nullptr; |
| } |
| |
| Init *OpInit::getBit(unsigned Bit) const { |
| if (getType() == BitRecTy::get()) |
| return const_cast<OpInit*>(this); |
| return VarBitInit::get(const_cast<OpInit*>(this), Bit); |
| } |
| |
| static void |
| ProfileUnOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *Op, RecTy *Type) { |
| ID.AddInteger(Opcode); |
| ID.AddPointer(Op); |
| ID.AddPointer(Type); |
| } |
| |
| UnOpInit *UnOpInit::get(UnaryOp Opc, Init *LHS, RecTy *Type) { |
| static FoldingSet<UnOpInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileUnOpInit(ID, Opc, LHS, Type); |
| |
| void *IP = nullptr; |
| if (UnOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| UnOpInit *I = new(Allocator) UnOpInit(Opc, LHS, Type); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| void UnOpInit::Profile(FoldingSetNodeID &ID) const { |
| ProfileUnOpInit(ID, getOpcode(), getOperand(), getType()); |
| } |
| |
| Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { |
| switch (getOpcode()) { |
| case CAST: |
| if (isa<StringRecTy>(getType())) { |
| if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) |
| return LHSs; |
| |
| if (DefInit *LHSd = dyn_cast<DefInit>(LHS)) |
| return StringInit::get(LHSd->getAsString()); |
| |
| if (IntInit *LHSi = dyn_cast<IntInit>(LHS)) |
| return StringInit::get(LHSi->getAsString()); |
| } else { |
| if (StringInit *Name = dyn_cast<StringInit>(LHS)) { |
| // From TGParser::ParseIDValue |
| if (CurRec) { |
| if (const RecordVal *RV = CurRec->getValue(Name)) { |
| if (RV->getType() != getType()) |
| PrintFatalError("type mismatch in cast"); |
| return VarInit::get(Name, RV->getType()); |
| } |
| |
| Init *TemplateArgName = QualifyName(*CurRec, CurMultiClass, Name, |
| ":"); |
| |
| if (CurRec->isTemplateArg(TemplateArgName)) { |
| const RecordVal *RV = CurRec->getValue(TemplateArgName); |
| assert(RV && "Template arg doesn't exist??"); |
| |
| if (RV->getType() != getType()) |
| PrintFatalError("type mismatch in cast"); |
| |
| return VarInit::get(TemplateArgName, RV->getType()); |
| } |
| } |
| |
| if (CurMultiClass) { |
| Init *MCName = QualifyName(CurMultiClass->Rec, CurMultiClass, Name, |
| "::"); |
| |
| if (CurMultiClass->Rec.isTemplateArg(MCName)) { |
| const RecordVal *RV = CurMultiClass->Rec.getValue(MCName); |
| assert(RV && "Template arg doesn't exist??"); |
| |
| if (RV->getType() != getType()) |
| PrintFatalError("type mismatch in cast"); |
| |
| return VarInit::get(MCName, RV->getType()); |
| } |
| } |
| assert(CurRec && "NULL pointer"); |
| if (Record *D = (CurRec->getRecords()).getDef(Name->getValue())) |
| return DefInit::get(D); |
| |
| PrintFatalError(CurRec->getLoc(), |
| "Undefined reference:'" + Name->getValue() + "'\n"); |
| } |
| |
| if (isa<IntRecTy>(getType())) { |
| if (BitsInit *BI = dyn_cast<BitsInit>(LHS)) { |
| if (Init *NewInit = BI->convertInitializerTo(IntRecTy::get())) |
| return NewInit; |
| break; |
| } |
| } |
| } |
| break; |
| |
| case HEAD: |
| if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { |
| assert(!LHSl->empty() && "Empty list in head"); |
| return LHSl->getElement(0); |
| } |
| break; |
| |
| case TAIL: |
| if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) { |
| assert(!LHSl->empty() && "Empty list in tail"); |
| // Note the +1. We can't just pass the result of getValues() |
| // directly. |
| return ListInit::get(LHSl->getValues().slice(1), LHSl->getType()); |
| } |
| break; |
| |
| case EMPTY: |
| if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) |
| return IntInit::get(LHSl->empty()); |
| if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) |
| return IntInit::get(LHSs->getValue().empty()); |
| break; |
| } |
| return const_cast<UnOpInit *>(this); |
| } |
| |
| Init *UnOpInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| Init *lhs = LHS->resolveReferences(R, RV); |
| |
| if (LHS != lhs) |
| return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, nullptr); |
| return Fold(&R, nullptr); |
| } |
| |
| std::string UnOpInit::getAsString() const { |
| std::string Result; |
| switch (getOpcode()) { |
| case CAST: Result = "!cast<" + getType()->getAsString() + ">"; break; |
| case HEAD: Result = "!head"; break; |
| case TAIL: Result = "!tail"; break; |
| case EMPTY: Result = "!empty"; break; |
| } |
| return Result + "(" + LHS->getAsString() + ")"; |
| } |
| |
| static void |
| ProfileBinOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *RHS, |
| RecTy *Type) { |
| ID.AddInteger(Opcode); |
| ID.AddPointer(LHS); |
| ID.AddPointer(RHS); |
| ID.AddPointer(Type); |
| } |
| |
| BinOpInit *BinOpInit::get(BinaryOp Opc, Init *LHS, |
| Init *RHS, RecTy *Type) { |
| static FoldingSet<BinOpInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileBinOpInit(ID, Opc, LHS, RHS, Type); |
| |
| void *IP = nullptr; |
| if (BinOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| BinOpInit *I = new(Allocator) BinOpInit(Opc, LHS, RHS, Type); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| void BinOpInit::Profile(FoldingSetNodeID &ID) const { |
| ProfileBinOpInit(ID, getOpcode(), getLHS(), getRHS(), getType()); |
| } |
| |
| static StringInit *ConcatStringInits(const StringInit *I0, |
| const StringInit *I1) { |
| SmallString<80> Concat(I0->getValue()); |
| Concat.append(I1->getValue()); |
| return StringInit::get(Concat); |
| } |
| |
| Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { |
| switch (getOpcode()) { |
| case CONCAT: { |
| DagInit *LHSs = dyn_cast<DagInit>(LHS); |
| DagInit *RHSs = dyn_cast<DagInit>(RHS); |
| if (LHSs && RHSs) { |
| DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator()); |
| DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator()); |
| if (!LOp || !ROp || LOp->getDef() != ROp->getDef()) |
| PrintFatalError("Concated Dag operators do not match!"); |
| SmallVector<Init*, 8> Args; |
| SmallVector<StringInit*, 8> ArgNames; |
| for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) { |
| Args.push_back(LHSs->getArg(i)); |
| ArgNames.push_back(LHSs->getArgName(i)); |
| } |
| for (unsigned i = 0, e = RHSs->getNumArgs(); i != e; ++i) { |
| Args.push_back(RHSs->getArg(i)); |
| ArgNames.push_back(RHSs->getArgName(i)); |
| } |
| return DagInit::get(LHSs->getOperator(), nullptr, Args, ArgNames); |
| } |
| break; |
| } |
| case LISTCONCAT: { |
| ListInit *LHSs = dyn_cast<ListInit>(LHS); |
| ListInit *RHSs = dyn_cast<ListInit>(RHS); |
| if (LHSs && RHSs) { |
| SmallVector<Init *, 8> Args; |
| Args.insert(Args.end(), LHSs->begin(), LHSs->end()); |
| Args.insert(Args.end(), RHSs->begin(), RHSs->end()); |
| return ListInit::get( |
| Args, cast<ListRecTy>(LHSs->getType())->getElementType()); |
| } |
| break; |
| } |
| case STRCONCAT: { |
| StringInit *LHSs = dyn_cast<StringInit>(LHS); |
| StringInit *RHSs = dyn_cast<StringInit>(RHS); |
| if (LHSs && RHSs) |
| return ConcatStringInits(LHSs, RHSs); |
| break; |
| } |
| case EQ: { |
| // try to fold eq comparison for 'bit' and 'int', otherwise fallback |
| // to string objects. |
| IntInit *L = |
| dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); |
| IntInit *R = |
| dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); |
| |
| if (L && R) |
| return IntInit::get(L->getValue() == R->getValue()); |
| |
| StringInit *LHSs = dyn_cast<StringInit>(LHS); |
| StringInit *RHSs = dyn_cast<StringInit>(RHS); |
| |
| // Make sure we've resolved |
| if (LHSs && RHSs) |
| return IntInit::get(LHSs->getValue() == RHSs->getValue()); |
| |
| break; |
| } |
| case ADD: |
| case AND: |
| case OR: |
| case SHL: |
| case SRA: |
| case SRL: { |
| IntInit *LHSi = |
| dyn_cast_or_null<IntInit>(LHS->convertInitializerTo(IntRecTy::get())); |
| IntInit *RHSi = |
| dyn_cast_or_null<IntInit>(RHS->convertInitializerTo(IntRecTy::get())); |
| if (LHSi && RHSi) { |
| int64_t LHSv = LHSi->getValue(), RHSv = RHSi->getValue(); |
| int64_t Result; |
| switch (getOpcode()) { |
| default: llvm_unreachable("Bad opcode!"); |
| case ADD: Result = LHSv + RHSv; break; |
| case AND: Result = LHSv & RHSv; break; |
| case OR: Result = LHSv | RHSv; break; |
| case SHL: Result = LHSv << RHSv; break; |
| case SRA: Result = LHSv >> RHSv; break; |
| case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break; |
| } |
| return IntInit::get(Result); |
| } |
| break; |
| } |
| } |
| return const_cast<BinOpInit *>(this); |
| } |
| |
| Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| Init *lhs = LHS->resolveReferences(R, RV); |
| Init *rhs = RHS->resolveReferences(R, RV); |
| |
| if (LHS != lhs || RHS != rhs) |
| return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R,nullptr); |
| return Fold(&R, nullptr); |
| } |
| |
| std::string BinOpInit::getAsString() const { |
| std::string Result; |
| switch (getOpcode()) { |
| case CONCAT: Result = "!con"; break; |
| case ADD: Result = "!add"; break; |
| case AND: Result = "!and"; break; |
| case OR: Result = "!or"; break; |
| case SHL: Result = "!shl"; break; |
| case SRA: Result = "!sra"; break; |
| case SRL: Result = "!srl"; break; |
| case EQ: Result = "!eq"; break; |
| case LISTCONCAT: Result = "!listconcat"; break; |
| case STRCONCAT: Result = "!strconcat"; break; |
| } |
| return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")"; |
| } |
| |
| static void |
| ProfileTernOpInit(FoldingSetNodeID &ID, unsigned Opcode, Init *LHS, Init *MHS, |
| Init *RHS, RecTy *Type) { |
| ID.AddInteger(Opcode); |
| ID.AddPointer(LHS); |
| ID.AddPointer(MHS); |
| ID.AddPointer(RHS); |
| ID.AddPointer(Type); |
| } |
| |
| TernOpInit *TernOpInit::get(TernaryOp Opc, Init *LHS, Init *MHS, Init *RHS, |
| RecTy *Type) { |
| static FoldingSet<TernOpInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileTernOpInit(ID, Opc, LHS, MHS, RHS, Type); |
| |
| void *IP = nullptr; |
| if (TernOpInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| TernOpInit *I = new(Allocator) TernOpInit(Opc, LHS, MHS, RHS, Type); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| void TernOpInit::Profile(FoldingSetNodeID &ID) const { |
| ProfileTernOpInit(ID, getOpcode(), getLHS(), getMHS(), getRHS(), getType()); |
| } |
| |
| static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, |
| Record *CurRec, MultiClass *CurMultiClass); |
| |
| static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg, |
| RecTy *Type, Record *CurRec, |
| MultiClass *CurMultiClass) { |
| // If this is a dag, recurse |
| if (auto *TArg = dyn_cast<TypedInit>(Arg)) |
| if (isa<DagRecTy>(TArg->getType())) |
| return ForeachHelper(LHS, Arg, RHSo, Type, CurRec, CurMultiClass); |
| |
| SmallVector<Init *, 8> NewOperands; |
| NewOperands.reserve(RHSo->getNumOperands()); |
| for (unsigned i = 0, e = RHSo->getNumOperands(); i < e; ++i) { |
| if (auto *RHSoo = dyn_cast<OpInit>(RHSo->getOperand(i))) { |
| if (Init *Result = EvaluateOperation(RHSoo, LHS, Arg, |
| Type, CurRec, CurMultiClass)) |
| NewOperands.push_back(Result); |
| else |
| NewOperands.push_back(Arg); |
| } else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) { |
| NewOperands.push_back(Arg); |
| } else { |
| NewOperands.push_back(RHSo->getOperand(i)); |
| } |
| } |
| |
| // Now run the operator and use its result as the new leaf |
| const OpInit *NewOp = RHSo->clone(NewOperands); |
| Init *NewVal = NewOp->Fold(CurRec, CurMultiClass); |
| return (NewVal != NewOp) ? NewVal : nullptr; |
| } |
| |
| static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type, |
| Record *CurRec, MultiClass *CurMultiClass) { |
| OpInit *RHSo = dyn_cast<OpInit>(RHS); |
| |
| if (!RHSo) |
| PrintFatalError(CurRec->getLoc(), "!foreach requires an operator\n"); |
| |
| TypedInit *LHSt = dyn_cast<TypedInit>(LHS); |
| |
| if (!LHSt) |
| PrintFatalError(CurRec->getLoc(), "!foreach requires typed variable\n"); |
| |
| DagInit *MHSd = dyn_cast<DagInit>(MHS); |
| if (MHSd && isa<DagRecTy>(Type)) { |
| Init *Val = MHSd->getOperator(); |
| if (Init *Result = EvaluateOperation(RHSo, LHS, Val, |
| Type, CurRec, CurMultiClass)) |
| Val = Result; |
| |
| SmallVector<std::pair<Init *, StringInit*>, 8> args; |
| for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) { |
| Init *Arg = MHSd->getArg(i); |
| StringInit *ArgName = MHSd->getArgName(i); |
| |
| // Process args |
| if (Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type, |
| CurRec, CurMultiClass)) |
| Arg = Result; |
| |
| // TODO: Process arg names |
| args.push_back(std::make_pair(Arg, ArgName)); |
| } |
| |
| return DagInit::get(Val, nullptr, args); |
| } |
| |
| ListInit *MHSl = dyn_cast<ListInit>(MHS); |
| if (MHSl && isa<ListRecTy>(Type)) { |
| SmallVector<Init *, 8> NewOperands; |
| SmallVector<Init *, 8> NewList(MHSl->begin(), MHSl->end()); |
| |
| for (Init *&Item : NewList) { |
| NewOperands.clear(); |
| for(unsigned i = 0; i < RHSo->getNumOperands(); ++i) { |
| // First, replace the foreach variable with the list item |
| if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) |
| NewOperands.push_back(Item); |
| else |
| NewOperands.push_back(RHSo->getOperand(i)); |
| } |
| |
| // Now run the operator and use its result as the new list item |
| const OpInit *NewOp = RHSo->clone(NewOperands); |
| Init *NewItem = NewOp->Fold(CurRec, CurMultiClass); |
| if (NewItem != NewOp) |
| Item = NewItem; |
| } |
| return ListInit::get(NewList, MHSl->getType()); |
| } |
| return nullptr; |
| } |
| |
| Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { |
| switch (getOpcode()) { |
| case SUBST: { |
| DefInit *LHSd = dyn_cast<DefInit>(LHS); |
| VarInit *LHSv = dyn_cast<VarInit>(LHS); |
| StringInit *LHSs = dyn_cast<StringInit>(LHS); |
| |
| DefInit *MHSd = dyn_cast<DefInit>(MHS); |
| VarInit *MHSv = dyn_cast<VarInit>(MHS); |
| StringInit *MHSs = dyn_cast<StringInit>(MHS); |
| |
| DefInit *RHSd = dyn_cast<DefInit>(RHS); |
| VarInit *RHSv = dyn_cast<VarInit>(RHS); |
| StringInit *RHSs = dyn_cast<StringInit>(RHS); |
| |
| if (LHSd && MHSd && RHSd) { |
| Record *Val = RHSd->getDef(); |
| if (LHSd->getAsString() == RHSd->getAsString()) |
| Val = MHSd->getDef(); |
| return DefInit::get(Val); |
| } |
| if (LHSv && MHSv && RHSv) { |
| std::string Val = RHSv->getName(); |
| if (LHSv->getAsString() == RHSv->getAsString()) |
| Val = MHSv->getName(); |
| return VarInit::get(Val, getType()); |
| } |
| if (LHSs && MHSs && RHSs) { |
| std::string Val = RHSs->getValue(); |
| |
| std::string::size_type found; |
| std::string::size_type idx = 0; |
| while (true) { |
| found = Val.find(LHSs->getValue(), idx); |
| if (found == std::string::npos) |
| break; |
| Val.replace(found, LHSs->getValue().size(), MHSs->getValue()); |
| idx = found + MHSs->getValue().size(); |
| } |
| |
| return StringInit::get(Val); |
| } |
| break; |
| } |
| |
| case FOREACH: { |
| if (Init *Result = ForeachHelper(LHS, MHS, RHS, getType(), |
| CurRec, CurMultiClass)) |
| return Result; |
| break; |
| } |
| |
| case IF: { |
| IntInit *LHSi = dyn_cast<IntInit>(LHS); |
| if (Init *I = LHS->convertInitializerTo(IntRecTy::get())) |
| LHSi = dyn_cast<IntInit>(I); |
| if (LHSi) { |
| if (LHSi->getValue()) |
| return MHS; |
| return RHS; |
| } |
| break; |
| } |
| } |
| |
| return const_cast<TernOpInit *>(this); |
| } |
| |
| Init *TernOpInit::resolveReferences(Record &R, |
| const RecordVal *RV) const { |
| Init *lhs = LHS->resolveReferences(R, RV); |
| |
| if (getOpcode() == IF && lhs != LHS) { |
| IntInit *Value = dyn_cast<IntInit>(lhs); |
| if (Init *I = lhs->convertInitializerTo(IntRecTy::get())) |
| Value = dyn_cast<IntInit>(I); |
| if (Value) { |
| // Short-circuit |
| if (Value->getValue()) { |
| Init *mhs = MHS->resolveReferences(R, RV); |
| return (TernOpInit::get(getOpcode(), lhs, mhs, |
| RHS, getType()))->Fold(&R, nullptr); |
| } |
| Init *rhs = RHS->resolveReferences(R, RV); |
| return (TernOpInit::get(getOpcode(), lhs, MHS, |
| rhs, getType()))->Fold(&R, nullptr); |
| } |
| } |
| |
| Init *mhs = MHS->resolveReferences(R, RV); |
| Init *rhs = RHS->resolveReferences(R, RV); |
| |
| if (LHS != lhs || MHS != mhs || RHS != rhs) |
| return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, |
| getType()))->Fold(&R, nullptr); |
| return Fold(&R, nullptr); |
| } |
| |
| std::string TernOpInit::getAsString() const { |
| std::string Result; |
| switch (getOpcode()) { |
| case SUBST: Result = "!subst"; break; |
| case FOREACH: Result = "!foreach"; break; |
| case IF: Result = "!if"; break; |
| } |
| return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", " + |
| RHS->getAsString() + ")"; |
| } |
| |
| RecTy *TypedInit::getFieldType(StringInit *FieldName) const { |
| if (RecordRecTy *RecordType = dyn_cast<RecordRecTy>(getType())) |
| if (RecordVal *Field = RecordType->getRecord()->getValue(FieldName)) |
| return Field->getType(); |
| return nullptr; |
| } |
| |
| Init * |
| TypedInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<IntRecTy>(Ty)) { |
| if (getType()->typeIsConvertibleTo(Ty)) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| if (isa<StringRecTy>(Ty)) { |
| if (isa<StringRecTy>(getType())) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| if (isa<CodeRecTy>(Ty)) { |
| if (isa<CodeRecTy>(getType())) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| if (isa<BitRecTy>(Ty)) { |
| // Accept variable if it is already of bit type! |
| if (isa<BitRecTy>(getType())) |
| return const_cast<TypedInit *>(this); |
| if (auto *BitsTy = dyn_cast<BitsRecTy>(getType())) { |
| // Accept only bits<1> expression. |
| if (BitsTy->getNumBits() == 1) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| // Ternary !if can be converted to bit, but only if both sides are |
| // convertible to a bit. |
| if (const auto *TOI = dyn_cast<TernOpInit>(this)) { |
| if (TOI->getOpcode() == TernOpInit::TernaryOp::IF && |
| TOI->getMHS()->convertInitializerTo(BitRecTy::get()) && |
| TOI->getRHS()->convertInitializerTo(BitRecTy::get())) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| return nullptr; |
| } |
| |
| if (auto *BRT = dyn_cast<BitsRecTy>(Ty)) { |
| if (BRT->getNumBits() == 1 && isa<BitRecTy>(getType())) |
| return BitsInit::get(const_cast<TypedInit *>(this)); |
| |
| if (getType()->typeIsConvertibleTo(BRT)) { |
| SmallVector<Init *, 16> NewBits(BRT->getNumBits()); |
| |
| for (unsigned i = 0; i != BRT->getNumBits(); ++i) |
| NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), i); |
| return BitsInit::get(NewBits); |
| } |
| |
| return nullptr; |
| } |
| |
| if (auto *DLRT = dyn_cast<ListRecTy>(Ty)) { |
| if (auto *SLRT = dyn_cast<ListRecTy>(getType())) |
| if (SLRT->getElementType()->typeIsConvertibleTo(DLRT->getElementType())) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| if (auto *DRT = dyn_cast<DagRecTy>(Ty)) { |
| if (getType()->typeIsConvertibleTo(DRT)) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| if (auto *SRRT = dyn_cast<RecordRecTy>(Ty)) { |
| // Ensure that this is compatible with Rec. |
| if (RecordRecTy *DRRT = dyn_cast<RecordRecTy>(getType())) |
| if (DRRT->getRecord()->isSubClassOf(SRRT->getRecord()) || |
| DRRT->getRecord() == SRRT->getRecord()) |
| return const_cast<TypedInit *>(this); |
| return nullptr; |
| } |
| |
| return nullptr; |
| } |
| |
| Init *TypedInit::convertInitializerBitRange(ArrayRef<unsigned> Bits) const { |
| BitsRecTy *T = dyn_cast<BitsRecTy>(getType()); |
| if (!T) return nullptr; // Cannot subscript a non-bits variable. |
| unsigned NumBits = T->getNumBits(); |
| |
| SmallVector<Init *, 16> NewBits; |
| NewBits.reserve(Bits.size()); |
| for (unsigned Bit : Bits) { |
| if (Bit >= NumBits) |
| return nullptr; |
| |
| NewBits.push_back(VarBitInit::get(const_cast<TypedInit *>(this), Bit)); |
| } |
| return BitsInit::get(NewBits); |
| } |
| |
| Init *TypedInit::convertInitListSlice(ArrayRef<unsigned> Elements) const { |
| ListRecTy *T = dyn_cast<ListRecTy>(getType()); |
| if (!T) return nullptr; // Cannot subscript a non-list variable. |
| |
| if (Elements.size() == 1) |
| return VarListElementInit::get(const_cast<TypedInit *>(this), Elements[0]); |
| |
| SmallVector<Init*, 8> ListInits; |
| ListInits.reserve(Elements.size()); |
| for (unsigned Element : Elements) |
| ListInits.push_back(VarListElementInit::get(const_cast<TypedInit *>(this), |
| Element)); |
| return ListInit::get(ListInits, T); |
| } |
| |
| |
| VarInit *VarInit::get(StringRef VN, RecTy *T) { |
| Init *Value = StringInit::get(VN); |
| return VarInit::get(Value, T); |
| } |
| |
| VarInit *VarInit::get(Init *VN, RecTy *T) { |
| using Key = std::pair<RecTy *, Init *>; |
| static DenseMap<Key, VarInit*> ThePool; |
| |
| Key TheKey(std::make_pair(T, VN)); |
| |
| VarInit *&I = ThePool[TheKey]; |
| if (!I) |
| I = new(Allocator) VarInit(VN, T); |
| return I; |
| } |
| |
| StringRef VarInit::getName() const { |
| StringInit *NameString = cast<StringInit>(getNameInit()); |
| return NameString->getValue(); |
| } |
| |
| Init *VarInit::getBit(unsigned Bit) const { |
| if (getType() == BitRecTy::get()) |
| return const_cast<VarInit*>(this); |
| return VarBitInit::get(const_cast<VarInit*>(this), Bit); |
| } |
| |
| Init *VarInit::resolveListElementReference(Record &R, |
| const RecordVal *IRV, |
| unsigned Elt) const { |
| if (R.isTemplateArg(getNameInit())) return nullptr; |
| if (IRV && IRV->getNameInit() != getNameInit()) return nullptr; |
| |
| RecordVal *RV = R.getValue(getNameInit()); |
| assert(RV && "Reference to a non-existent variable?"); |
| ListInit *LI = dyn_cast<ListInit>(RV->getValue()); |
| if (!LI) |
| return VarListElementInit::get(cast<TypedInit>(RV->getValue()), Elt); |
| |
| if (Elt >= LI->size()) |
| return nullptr; // Out of range reference. |
| Init *E = LI->getElement(Elt); |
| // If the element is set to some value, or if we are resolving a reference |
| // to a specific variable and that variable is explicitly unset, then |
| // replace the VarListElementInit with it. |
| if (IRV || !isa<UnsetInit>(E)) |
| return E; |
| return nullptr; |
| } |
| |
| RecTy *VarInit::getFieldType(StringInit *FieldName) const { |
| if (RecordRecTy *RTy = dyn_cast<RecordRecTy>(getType())) |
| if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName)) |
| return RV->getType(); |
| return nullptr; |
| } |
| |
| Init *VarInit::getFieldInit(Record &R, const RecordVal *RV, |
| StringInit *FieldName) const { |
| if (isa<RecordRecTy>(getType())) |
| if (const RecordVal *Val = R.getValue(VarName)) { |
| if (RV != Val && (RV || isa<UnsetInit>(Val->getValue()))) |
| return nullptr; |
| Init *TheInit = Val->getValue(); |
| assert(TheInit != this && "Infinite loop detected!"); |
| if (Init *I = TheInit->getFieldInit(R, RV, FieldName)) |
| return I; |
| return nullptr; |
| } |
| return nullptr; |
| } |
| |
| Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| if (RecordVal *Val = R.getValue(VarName)) |
| if (RV == Val || (!RV && !isa<UnsetInit>(Val->getValue()))) |
| return Val->getValue(); |
| return const_cast<VarInit *>(this); |
| } |
| |
| VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) { |
| using Key = std::pair<TypedInit *, unsigned>; |
| static DenseMap<Key, VarBitInit*> ThePool; |
| |
| Key TheKey(std::make_pair(T, B)); |
| |
| VarBitInit *&I = ThePool[TheKey]; |
| if (!I) |
| I = new(Allocator) VarBitInit(T, B); |
| return I; |
| } |
| |
| Init *VarBitInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<BitRecTy>(Ty)) |
| return const_cast<VarBitInit *>(this); |
| |
| return nullptr; |
| } |
| |
| std::string VarBitInit::getAsString() const { |
| return TI->getAsString() + "{" + utostr(Bit) + "}"; |
| } |
| |
| Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| Init *I = TI->resolveReferences(R, RV); |
| if (TI != I) |
| return I->getBit(getBitNum()); |
| |
| return const_cast<VarBitInit*>(this); |
| } |
| |
| VarListElementInit *VarListElementInit::get(TypedInit *T, |
| unsigned E) { |
| using Key = std::pair<TypedInit *, unsigned>; |
| static DenseMap<Key, VarListElementInit*> ThePool; |
| |
| Key TheKey(std::make_pair(T, E)); |
| |
| VarListElementInit *&I = ThePool[TheKey]; |
| if (!I) I = new(Allocator) VarListElementInit(T, E); |
| return I; |
| } |
| |
| std::string VarListElementInit::getAsString() const { |
| return TI->getAsString() + "[" + utostr(Element) + "]"; |
| } |
| |
| Init * |
| VarListElementInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| if (Init *I = getVariable()->resolveListElementReference(R, RV, |
| getElementNum())) |
| return I; |
| return const_cast<VarListElementInit *>(this); |
| } |
| |
| Init *VarListElementInit::getBit(unsigned Bit) const { |
| if (getType() == BitRecTy::get()) |
| return const_cast<VarListElementInit*>(this); |
| return VarBitInit::get(const_cast<VarListElementInit*>(this), Bit); |
| } |
| |
| Init *VarListElementInit:: resolveListElementReference(Record &R, |
| const RecordVal *RV, |
| unsigned Elt) const { |
| if (Init *Result = TI->resolveListElementReference(R, RV, Element)) { |
| if (TypedInit *TInit = dyn_cast<TypedInit>(Result)) { |
| if (Init *Result2 = TInit->resolveListElementReference(R, RV, Elt)) |
| return Result2; |
| return VarListElementInit::get(TInit, Elt); |
| } |
| return Result; |
| } |
| |
| return nullptr; |
| } |
| |
| DefInit *DefInit::get(Record *R) { |
| return R->getDefInit(); |
| } |
| |
| Init *DefInit::convertInitializerTo(RecTy *Ty) const { |
| if (auto *RRT = dyn_cast<RecordRecTy>(Ty)) |
| if (getDef()->isSubClassOf(RRT->getRecord())) |
| return const_cast<DefInit *>(this); |
| return nullptr; |
| } |
| |
| RecTy *DefInit::getFieldType(StringInit *FieldName) const { |
| if (const RecordVal *RV = Def->getValue(FieldName)) |
| return RV->getType(); |
| return nullptr; |
| } |
| |
| Init *DefInit::getFieldInit(Record &R, const RecordVal *RV, |
| StringInit *FieldName) const { |
| return Def->getValue(FieldName)->getValue(); |
| } |
| |
| std::string DefInit::getAsString() const { |
| return Def->getName(); |
| } |
| |
| FieldInit *FieldInit::get(Init *R, StringInit *FN) { |
| using Key = std::pair<Init *, StringInit *>; |
| static DenseMap<Key, FieldInit*> ThePool; |
| |
| Key TheKey(std::make_pair(R, FN)); |
| |
| FieldInit *&I = ThePool[TheKey]; |
| if (!I) I = new(Allocator) FieldInit(R, FN); |
| return I; |
| } |
| |
| Init *FieldInit::getBit(unsigned Bit) const { |
| if (getType() == BitRecTy::get()) |
| return const_cast<FieldInit*>(this); |
| return VarBitInit::get(const_cast<FieldInit*>(this), Bit); |
| } |
| |
| Init *FieldInit::resolveListElementReference(Record &R, const RecordVal *RV, |
| unsigned Elt) const { |
| if (Init *ListVal = Rec->getFieldInit(R, RV, FieldName)) |
| if (ListInit *LI = dyn_cast<ListInit>(ListVal)) { |
| if (Elt >= LI->size()) return nullptr; |
| Init *E = LI->getElement(Elt); |
| |
| // If the element is set to some value, or if we are resolving a |
| // reference to a specific variable and that variable is explicitly |
| // unset, then replace the VarListElementInit with it. |
| if (RV || !isa<UnsetInit>(E)) |
| return E; |
| } |
| return nullptr; |
| } |
| |
| Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec; |
| |
| if (Init *BitsVal = NewRec->getFieldInit(R, RV, FieldName)) { |
| Init *BVR = BitsVal->resolveReferences(R, RV); |
| return BVR->isComplete() ? BVR : const_cast<FieldInit *>(this); |
| } |
| |
| if (NewRec != Rec) |
| return FieldInit::get(NewRec, FieldName); |
| return const_cast<FieldInit *>(this); |
| } |
| |
| static void ProfileDagInit(FoldingSetNodeID &ID, Init *V, StringInit *VN, |
| ArrayRef<Init *> ArgRange, |
| ArrayRef<StringInit *> NameRange) { |
| ID.AddPointer(V); |
| ID.AddPointer(VN); |
| |
| ArrayRef<Init *>::iterator Arg = ArgRange.begin(); |
| ArrayRef<StringInit *>::iterator Name = NameRange.begin(); |
| while (Arg != ArgRange.end()) { |
| assert(Name != NameRange.end() && "Arg name underflow!"); |
| ID.AddPointer(*Arg++); |
| ID.AddPointer(*Name++); |
| } |
| assert(Name == NameRange.end() && "Arg name overflow!"); |
| } |
| |
| DagInit * |
| DagInit::get(Init *V, StringInit *VN, ArrayRef<Init *> ArgRange, |
| ArrayRef<StringInit *> NameRange) { |
| static FoldingSet<DagInit> ThePool; |
| |
| FoldingSetNodeID ID; |
| ProfileDagInit(ID, V, VN, ArgRange, NameRange); |
| |
| void *IP = nullptr; |
| if (DagInit *I = ThePool.FindNodeOrInsertPos(ID, IP)) |
| return I; |
| |
| void *Mem = Allocator.Allocate(totalSizeToAlloc<Init *, StringInit *>(ArgRange.size(), NameRange.size()), alignof(BitsInit)); |
| DagInit *I = new(Mem) DagInit(V, VN, ArgRange.size(), NameRange.size()); |
| std::uninitialized_copy(ArgRange.begin(), ArgRange.end(), |
| I->getTrailingObjects<Init *>()); |
| std::uninitialized_copy(NameRange.begin(), NameRange.end(), |
| I->getTrailingObjects<StringInit *>()); |
| ThePool.InsertNode(I, IP); |
| return I; |
| } |
| |
| DagInit * |
| DagInit::get(Init *V, StringInit *VN, |
| ArrayRef<std::pair<Init*, StringInit*>> args) { |
| SmallVector<Init *, 8> Args; |
| SmallVector<StringInit *, 8> Names; |
| |
| for (const auto &Arg : args) { |
| Args.push_back(Arg.first); |
| Names.push_back(Arg.second); |
| } |
| |
| return DagInit::get(V, VN, Args, Names); |
| } |
| |
| void DagInit::Profile(FoldingSetNodeID &ID) const { |
| ProfileDagInit(ID, Val, ValName, makeArrayRef(getTrailingObjects<Init *>(), NumArgs), makeArrayRef(getTrailingObjects<StringInit *>(), NumArgNames)); |
| } |
| |
| Init *DagInit::convertInitializerTo(RecTy *Ty) const { |
| if (isa<DagRecTy>(Ty)) |
| return const_cast<DagInit *>(this); |
| |
| return nullptr; |
| } |
| |
| Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) const { |
| SmallVector<Init*, 8> NewArgs; |
| NewArgs.reserve(arg_size()); |
| bool ArgsChanged = false; |
| for (const Init *Arg : getArgs()) { |
| Init *NewArg = Arg->resolveReferences(R, RV); |
| NewArgs.push_back(NewArg); |
| ArgsChanged |= NewArg != Arg; |
| } |
| |
| Init *Op = Val->resolveReferences(R, RV); |
| if (Op != Val || ArgsChanged) |
| return DagInit::get(Op, ValName, NewArgs, getArgNames()); |
| |
| return const_cast<DagInit *>(this); |
| } |
| |
| std::string DagInit::getAsString() const { |
| std::string Result = "(" + Val->getAsString(); |
| if (ValName) |
| Result += ":" + ValName->getAsUnquotedString(); |
| if (!arg_empty()) { |
| Result += " " + getArg(0)->getAsString(); |
| if (getArgName(0)) Result += ":$" + getArgName(0)->getAsUnquotedString(); |
| for (unsigned i = 1, e = getNumArgs(); i != e; ++i) { |
| Result += ", " + getArg(i)->getAsString(); |
| if (getArgName(i)) Result += ":$" + getArgName(i)->getAsUnquotedString(); |
| } |
| } |
| return Result + ")"; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Other implementations |
| //===----------------------------------------------------------------------===// |
| |
| RecordVal::RecordVal(Init *N, RecTy *T, bool P) |
| : Name(N), TyAndPrefix(T, P) { |
| Value = UnsetInit::get()->convertInitializerTo(T); |
| assert(Value && "Cannot create unset value for current type!"); |
| } |
| |
| StringRef RecordVal::getName() const { |
| return cast<StringInit>(getNameInit())->getValue(); |
| } |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| LLVM_DUMP_METHOD void RecordVal::dump() const { errs() << *this; } |
| #endif |
| |
| void RecordVal::print(raw_ostream &OS, bool PrintSem) const { |
| if (getPrefix()) OS << "field "; |
| OS << *getType() << " " << getNameInitAsString(); |
| |
| if (getValue()) |
| OS << " = " << *getValue(); |
| |
| if (PrintSem) OS << ";\n"; |
| } |
| |
| unsigned Record::LastID = 0; |
| |
| void Record::init() { |
| checkName(); |
| |
| // Every record potentially has a def at the top. This value is |
| // replaced with the top-level def name at instantiation time. |
| addValue(RecordVal(StringInit::get("NAME"), StringRecTy::get(), false)); |
| } |
| |
| void Record::checkName() { |
| // Ensure the record name has string type. |
| const TypedInit *TypedName = cast<const TypedInit>(Name); |
| if (!isa<StringRecTy>(TypedName->getType())) |
| PrintFatalError(getLoc(), "Record name is not a string!"); |
| } |
| |
| DefInit *Record::getDefInit() { |
| if (!TheInit) |
| TheInit = new(Allocator) DefInit(this, new(Allocator) RecordRecTy(this)); |
| return TheInit; |
| } |
| |
| StringRef Record::getName() const { |
| return cast<StringInit>(Name)->getValue(); |
| } |
| |
| void Record::setName(Init *NewName) { |
| Name = NewName; |
| checkName(); |
| // DO NOT resolve record values to the name at this point because |
| // there might be default values for arguments of this def. Those |
| // arguments might not have been resolved yet so we don't want to |
| // prematurely assume values for those arguments were not passed to |
| // this def. |
| // |
| // Nonetheless, it may be that some of this Record's values |
| // reference the record name. Indeed, the reason for having the |
| // record name be an Init is to provide this flexibility. The extra |
| // resolve steps after completely instantiating defs takes care of |
| // this. See TGParser::ParseDef and TGParser::ParseDefm. |
| } |
| |
| void Record::resolveReferencesTo(const RecordVal *RV) { |
| for (RecordVal &Value : Values) { |
| if (RV == &Value) // Skip resolve the same field as the given one |
| continue; |
| if (Init *V = Value.getValue()) |
| if (Value.setValue(V->resolveReferences(*this, RV))) |
| PrintFatalError(getLoc(), "Invalid value is found when setting '" + |
| Value.getNameInitAsString() + |
| "' after resolving references" + |
| (RV ? " against '" + RV->getNameInitAsString() + |
| "' of (" + RV->getValue()->getAsUnquotedString() + |
| ")" |
| : "") + "\n"); |
| } |
| Init *OldName = getNameInit(); |
| Init *NewName = Name->resolveReferences(*this, RV); |
| if (NewName != OldName) { |
| // Re-register with RecordKeeper. |
| setName(NewName); |
| } |
| } |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| LLVM_DUMP_METHOD void Record::dump() const { errs() << *this; } |
| #endif |
| |
| raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) { |
| OS << R.getNameInitAsString(); |
| |
| ArrayRef<Init *> TArgs = R.getTemplateArgs(); |
| if (!TArgs.empty()) { |
| OS << "<"; |
| bool NeedComma = false; |
| for (const Init *TA : TArgs) { |
| if (NeedComma) OS << ", "; |
| NeedComma = true; |
| const RecordVal *RV = R.getValue(TA); |
| assert(RV && "Template argument record not found??"); |
| RV->print(OS, false); |
| } |
| OS << ">"; |
| } |
| |
| OS << " {"; |
| ArrayRef<std::pair<Record *, SMRange>> SC = R.getSuperClasses(); |
| if (!SC.empty()) { |
| OS << "\t//"; |
| for (const auto &SuperPair : SC) |
| OS << " " << SuperPair.first->getNameInitAsString(); |
| } |
| OS << "\n"; |
| |
| for (const RecordVal &Val : R.getValues()) |
| if (Val.getPrefix() && !R.isTemplateArg(Val.getNameInit())) |
| OS << Val; |
| for (const RecordVal &Val : R.getValues()) |
| if (!Val.getPrefix() && !R.isTemplateArg(Val.getNameInit())) |
| OS << Val; |
| |
| return OS << "}\n"; |
| } |
| |
| Init *Record::getValueInit(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| return R->getValue(); |
| } |
| |
| StringRef Record::getValueAsString(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (StringInit *SI = dyn_cast<StringInit>(R->getValue())) |
| return SI->getValue(); |
| if (CodeInit *CI = dyn_cast<CodeInit>(R->getValue())) |
| return CI->getValue(); |
| |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a string initializer!"); |
| } |
| |
| BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (BitsInit *BI = dyn_cast<BitsInit>(R->getValue())) |
| return BI; |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a BitsInit initializer!"); |
| } |
| |
| ListInit *Record::getValueAsListInit(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (ListInit *LI = dyn_cast<ListInit>(R->getValue())) |
| return LI; |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a list initializer!"); |
| } |
| |
| std::vector<Record*> |
| Record::getValueAsListOfDefs(StringRef FieldName) const { |
| ListInit *List = getValueAsListInit(FieldName); |
| std::vector<Record*> Defs; |
| for (Init *I : List->getValues()) { |
| if (DefInit *DI = dyn_cast<DefInit>(I)) |
| Defs.push_back(DI->getDef()); |
| else |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' list is not entirely DefInit!"); |
| } |
| return Defs; |
| } |
| |
| int64_t Record::getValueAsInt(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (IntInit *II = dyn_cast<IntInit>(R->getValue())) |
| return II->getValue(); |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have an int initializer!"); |
| } |
| |
| std::vector<int64_t> |
| Record::getValueAsListOfInts(StringRef FieldName) const { |
| ListInit *List = getValueAsListInit(FieldName); |
| std::vector<int64_t> Ints; |
| for (Init *I : List->getValues()) { |
| if (IntInit *II = dyn_cast<IntInit>(I)) |
| Ints.push_back(II->getValue()); |
| else |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a list of ints initializer!"); |
| } |
| return Ints; |
| } |
| |
| std::vector<StringRef> |
| Record::getValueAsListOfStrings(StringRef FieldName) const { |
| ListInit *List = getValueAsListInit(FieldName); |
| std::vector<StringRef> Strings; |
| for (Init *I : List->getValues()) { |
| if (StringInit *SI = dyn_cast<StringInit>(I)) |
| Strings.push_back(SI->getValue()); |
| else |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a list of strings initializer!"); |
| } |
| return Strings; |
| } |
| |
| Record *Record::getValueAsDef(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (DefInit *DI = dyn_cast<DefInit>(R->getValue())) |
| return DI->getDef(); |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a def initializer!"); |
| } |
| |
| bool Record::getValueAsBit(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) |
| return BI->getValue(); |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a bit initializer!"); |
| } |
| |
| bool Record::getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName.str() + "'!\n"); |
| |
| if (isa<UnsetInit>(R->getValue())) { |
| Unset = true; |
| return false; |
| } |
| Unset = false; |
| if (BitInit *BI = dyn_cast<BitInit>(R->getValue())) |
| return BI->getValue(); |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a bit initializer!"); |
| } |
| |
| DagInit *Record::getValueAsDag(StringRef FieldName) const { |
| const RecordVal *R = getValue(FieldName); |
| if (!R || !R->getValue()) |
| PrintFatalError(getLoc(), "Record `" + getName() + |
| "' does not have a field named `" + FieldName + "'!\n"); |
| |
| if (DagInit *DI = dyn_cast<DagInit>(R->getValue())) |
| return DI; |
| PrintFatalError(getLoc(), "Record `" + getName() + "', field `" + |
| FieldName + "' does not have a dag initializer!"); |
| } |
| |
| #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP) |
| LLVM_DUMP_METHOD void MultiClass::dump() const { |
| errs() << "Record:\n"; |
| Rec.dump(); |
| |
| errs() << "Defs:\n"; |
| for (const auto &Proto : DefPrototypes) |
| Proto->dump(); |
| } |
| |
| LLVM_DUMP_METHOD void RecordKeeper::dump() const { errs() << *this; } |
| #endif |
| |
| raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) { |
| OS << "------------- Classes -----------------\n"; |
| for (const auto &C : RK.getClasses()) |
| OS << "class " << *C.second; |
| |
| OS << "------------- Defs -----------------\n"; |
| for (const auto &D : RK.getDefs()) |
| OS << "def " << *D.second; |
| return OS; |
| } |
| |
| std::vector<Record *> |
| RecordKeeper::getAllDerivedDefinitions(StringRef ClassName) const { |
| Record *Class = getClass(ClassName); |
| if (!Class) |
| PrintFatalError("ERROR: Couldn't find the `" + ClassName + "' class!\n"); |
| |
| std::vector<Record*> Defs; |
| for (const auto &D : getDefs()) |
| if (D.second->isSubClassOf(Class)) |
| Defs.push_back(D.second.get()); |
| |
| return Defs; |
| } |
| |
| static Init *GetStrConcat(Init *I0, Init *I1) { |
| // Shortcut for the common case of concatenating two strings. |
| if (const StringInit *I0s = dyn_cast<StringInit>(I0)) |
| if (const StringInit *I1s = dyn_cast<StringInit>(I1)) |
| return ConcatStringInits(I0s, I1s); |
| return BinOpInit::get(BinOpInit::STRCONCAT, I0, I1, StringRecTy::get()); |
| } |
| |
| Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass, |
| Init *Name, StringRef Scoper) { |
| Init *NewName = GetStrConcat(CurRec.getNameInit(), StringInit::get(Scoper)); |
| NewName = GetStrConcat(NewName, Name); |
| if (CurMultiClass && Scoper != "::") { |
| Init *Prefix = GetStrConcat(CurMultiClass->Rec.getNameInit(), |
| StringInit::get("::")); |
| NewName = GetStrConcat(Prefix, NewName); |
| } |
| |
| if (BinOpInit *BinOp = dyn_cast<BinOpInit>(NewName)) |
| NewName = BinOp->Fold(&CurRec, CurMultiClass); |
| return NewName; |
| } |