//===----------------------------------------------------------------------===//
#include "llvm/TableGen/Record.h"
-#include "llvm/TableGen/Error.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/Format.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
-#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/Format.h"
+#include "llvm/TableGen/Error.h"
using namespace llvm;
// std::string wrapper for DenseMap purposes
//===----------------------------------------------------------------------===//
+namespace llvm {
+
/// TableGenStringKey - This is a wrapper for std::string suitable for
/// using as a key to a DenseMap. Because there isn't a particularly
/// good way to indicate tombstone or empty keys for strings, we want
TableGenStringKey(const char *str) : data(str) {}
const std::string &str() const { return data; }
-
+
+ friend hash_code hash_value(const TableGenStringKey &Value) {
+ using llvm::hash_value;
+ return hash_value(Value.str());
+ }
private:
std::string data;
};
/// Specialize DenseMapInfo for TableGenStringKey.
-namespace llvm {
-
template<> struct DenseMapInfo<TableGenStringKey> {
static inline TableGenStringKey getEmptyKey() {
TableGenStringKey Empty("<<<EMPTY KEY>>>");
return Tombstone;
}
static unsigned getHashValue(const TableGenStringKey& Val) {
- return HashString(Val.str());
+ using llvm::hash_value;
+ return hash_value(Val);
}
static bool isEqual(const TableGenStringKey& LHS,
const TableGenStringKey& RHS) {
}
};
-}
+} // namespace llvm
//===----------------------------------------------------------------------===//
// Type implementations
BitRecTy BitRecTy::Shared;
IntRecTy IntRecTy::Shared;
StringRecTy StringRecTy::Shared;
-CodeRecTy CodeRecTy::Shared;
DagRecTy DagRecTy::Shared;
void RecTy::dump() const { print(errs()); }
ListRecTy *RecTy::getListTy() {
if (!ListTy)
- ListTy = new ListRecTy(this);
- return ListTy;
-}
-
-Init *BitRecTy::convertValue(BitsInit *BI) {
- if (BI->getNumBits() != 1) return 0; // Only accept if just one bit!
- return BI->getBit(0);
-}
-
-bool BitRecTy::baseClassOf(const BitsRecTy *RHS) const {
- return RHS->getNumBits() == 1;
+ ListTy.reset(new ListRecTy(this));
+ return ListTy.get();
}
-Init *BitRecTy::convertValue(IntInit *II) {
- int64_t Val = II->getValue();
- if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit!
-
- return BitInit::get(Val != 0);
+bool RecTy::typeIsConvertibleTo(const RecTy *RHS) const {
+ assert(RHS && "NULL pointer");
+ return Kind == RHS->getRecTyKind();
}
-Init *BitRecTy::convertValue(TypedInit *VI) {
- if (dynamic_cast<BitRecTy*>(VI->getType()))
- return VI; // Accept variable if it is already of bit type!
- return 0;
+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;
+ static std::vector<std::unique_ptr<BitsRecTy>> Shared;
if (Sz >= Shared.size())
Shared.resize(Sz + 1);
- BitsRecTy *&Ty = Shared[Sz];
+ std::unique_ptr<BitsRecTy> &Ty = Shared[Sz];
if (!Ty)
- Ty = new BitsRecTy(Sz);
- return Ty;
+ Ty.reset(new BitsRecTy(Sz));
+ return Ty.get();
}
std::string BitsRecTy::getAsString() const {
return "bits<" + utostr(Size) + ">";
}
-Init *BitsRecTy::convertValue(UnsetInit *UI) {
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] = UnsetInit::get();
-
- return BitsInit::get(NewBits);
-}
-
-Init *BitsRecTy::convertValue(BitInit *UI) {
- if (Size != 1) return 0; // Can only convert single bit.
- return BitsInit::get(UI);
-}
-
-/// canFitInBitfield - Return true if the number of bits is large enough to hold
-/// the integer 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);
-}
-
-/// convertValue from Int initializer to bits type: Split the integer up into the
-/// appropriate bits.
-///
-Init *BitsRecTy::convertValue(IntInit *II) {
- int64_t Value = II->getValue();
- // Make sure this bitfield is large enough to hold the integer value.
- if (!canFitInBitfield(Value, Size))
- return 0;
-
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] = BitInit::get(Value & (1LL << i));
-
- return BitsInit::get(NewBits);
-}
-
-Init *BitsRecTy::convertValue(BitsInit *BI) {
- // If the number of bits is right, return it. Otherwise we need to expand or
- // truncate.
- if (BI->getNumBits() == Size) return BI;
- return 0;
-}
-
-Init *BitsRecTy::convertValue(TypedInit *VI) {
- if (BitsRecTy *BRT = dynamic_cast<BitsRecTy*>(VI->getType()))
- if (BRT->Size == Size) {
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] = VarBitInit::get(VI, i);
- return BitsInit::get(NewBits);
- }
-
- if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType()))
- return BitsInit::get(VI);
-
- if (TernOpInit *Tern = dynamic_cast<TernOpInit*>(VI)) {
- if (Tern->getOpcode() == TernOpInit::IF) {
- Init *LHS = Tern->getLHS();
- Init *MHS = Tern->getMHS();
- Init *RHS = Tern->getRHS();
-
- IntInit *MHSi = dynamic_cast<IntInit*>(MHS);
- IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
-
- if (MHSi && RHSi) {
- int64_t MHSVal = MHSi->getValue();
- int64_t RHSVal = RHSi->getValue();
-
- if (canFitInBitfield(MHSVal, Size) && canFitInBitfield(RHSVal, Size)) {
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] =
- TernOpInit::get(TernOpInit::IF, LHS,
- IntInit::get((MHSVal & (1LL << i)) ? 1 : 0),
- IntInit::get((RHSVal & (1LL << i)) ? 1 : 0),
- VI->getType());
-
- return BitsInit::get(NewBits);
- }
- } else {
- BitsInit *MHSbs = dynamic_cast<BitsInit*>(MHS);
- BitsInit *RHSbs = dynamic_cast<BitsInit*>(RHS);
-
- if (MHSbs && RHSbs) {
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] = TernOpInit::get(TernOpInit::IF, LHS,
- MHSbs->getBit(i),
- RHSbs->getBit(i),
- VI->getType());
-
- return BitsInit::get(NewBits);
- }
- }
- }
- }
-
- return 0;
-}
-
-Init *IntRecTy::convertValue(BitInit *BI) {
- return IntInit::get(BI->getValue());
+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);
}
-Init *IntRecTy::convertValue(BitsInit *BI) {
- int64_t Result = 0;
- for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
- if (BitInit *Bit = dynamic_cast<BitInit*>(BI->getBit(i))) {
- Result |= Bit->getValue() << i;
- } else {
- return 0;
- }
- return IntInit::get(Result);
-}
-
-Init *IntRecTy::convertValue(TypedInit *TI) {
- if (TI->getType()->typeIsConvertibleTo(this))
- return TI; // Accept variable if already of the right type!
- return 0;
+bool IntRecTy::typeIsConvertibleTo(const RecTy *RHS) const {
+ RecTyKind kind = RHS->getRecTyKind();
+ return kind==BitRecTyKind || kind==BitsRecTyKind || kind==IntRecTyKind;
}
-Init *StringRecTy::convertValue(UnOpInit *BO) {
- if (BO->getOpcode() == UnOpInit::CAST) {
- Init *L = BO->getOperand()->convertInitializerTo(this);
- if (L == 0) return 0;
- if (L != BO->getOperand())
- return UnOpInit::get(UnOpInit::CAST, L, new StringRecTy);
- return BO;
- }
-
- return convertValue((TypedInit*)BO);
-}
-
-Init *StringRecTy::convertValue(BinOpInit *BO) {
- if (BO->getOpcode() == BinOpInit::STRCONCAT) {
- Init *L = BO->getLHS()->convertInitializerTo(this);
- Init *R = BO->getRHS()->convertInitializerTo(this);
- if (L == 0 || R == 0) return 0;
- if (L != BO->getLHS() || R != BO->getRHS())
- return BinOpInit::get(BinOpInit::STRCONCAT, L, R, new StringRecTy);
- return BO;
- }
-
- return convertValue((TypedInit*)BO);
-}
-
-
-Init *StringRecTy::convertValue(TypedInit *TI) {
- if (dynamic_cast<StringRecTy*>(TI->getType()))
- return TI; // Accept variable if already of the right type!
- return 0;
+std::string StringRecTy::getAsString() const {
+ return "string";
}
std::string ListRecTy::getAsString() const {
return "list<" + Ty->getAsString() + ">";
}
-Init *ListRecTy::convertValue(ListInit *LI) {
- std::vector<Init*> Elements;
-
- // Verify that all of the elements of the list are subclasses of the
- // appropriate class!
- for (unsigned i = 0, e = LI->getSize(); i != e; ++i)
- if (Init *CI = LI->getElement(i)->convertInitializerTo(Ty))
- Elements.push_back(CI);
- else
- return 0;
-
- ListRecTy *LType = dynamic_cast<ListRecTy*>(LI->getType());
- if (LType == 0) {
- return 0;
- }
-
- return ListInit::get(Elements, this);
-}
-
-Init *ListRecTy::convertValue(TypedInit *TI) {
- // Ensure that TI is compatible with our class.
- if (ListRecTy *LRT = dynamic_cast<ListRecTy*>(TI->getType()))
- if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
- return TI;
- return 0;
-}
-
-Init *CodeRecTy::convertValue(TypedInit *TI) {
- if (TI->getType()->typeIsConvertibleTo(this))
- return TI;
- return 0;
-}
-
-Init *DagRecTy::convertValue(TypedInit *TI) {
- if (TI->getType()->typeIsConvertibleTo(this))
- return TI;
- return 0;
-}
-
-Init *DagRecTy::convertValue(UnOpInit *BO) {
- if (BO->getOpcode() == UnOpInit::CAST) {
- Init *L = BO->getOperand()->convertInitializerTo(this);
- if (L == 0) return 0;
- if (L != BO->getOperand())
- return UnOpInit::get(UnOpInit::CAST, L, new DagRecTy);
- return BO;
- }
- return 0;
+bool ListRecTy::typeIsConvertibleTo(const RecTy *RHS) const {
+ if (const auto *ListTy = dyn_cast<ListRecTy>(RHS))
+ return Ty->typeIsConvertibleTo(ListTy->getElementType());
+ return false;
}
-Init *DagRecTy::convertValue(BinOpInit *BO) {
- if (BO->getOpcode() == BinOpInit::CONCAT) {
- Init *L = BO->getLHS()->convertInitializerTo(this);
- Init *R = BO->getRHS()->convertInitializerTo(this);
- if (L == 0 || R == 0) return 0;
- if (L != BO->getLHS() || R != BO->getRHS())
- return BinOpInit::get(BinOpInit::CONCAT, L, R, new DagRecTy);
- return BO;
- }
- return 0;
+std::string DagRecTy::getAsString() const {
+ return "dag";
}
RecordRecTy *RecordRecTy::get(Record *R) {
- return &dynamic_cast<RecordRecTy&>(*R->getDefInit()->getType());
+ return dyn_cast<RecordRecTy>(R->getDefInit()->getType());
}
std::string RecordRecTy::getAsString() const {
return Rec->getName();
}
-Init *RecordRecTy::convertValue(DefInit *DI) {
- // Ensure that DI is a subclass of Rec.
- if (!DI->getDef()->isSubClassOf(Rec))
- return 0;
- return DI;
-}
-
-Init *RecordRecTy::convertValue(TypedInit *TI) {
- // Ensure that TI is compatible with Rec.
- if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
- if (RRT->getRecord()->isSubClassOf(getRecord()) ||
- RRT->getRecord() == getRecord())
- return TI;
- return 0;
-}
+bool RecordRecTy::typeIsConvertibleTo(const RecTy *RHS) const {
+ const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS);
+ if (!RTy)
+ return false;
-bool RecordRecTy::baseClassOf(const RecordRecTy *RHS) const {
- if (Rec == RHS->getRecord() || RHS->getRecord()->isSubClassOf(Rec))
+ if (RTy->getRecord() == Rec || Rec->isSubClassOf(RTy->getRecord()))
return true;
- const std::vector<Record*> &SC = Rec->getSuperClasses();
- for (unsigned i = 0, e = SC.size(); i != e; ++i)
- if (RHS->getRecord()->isSubClassOf(SC[i]))
+ for (Record *SC : RTy->getRecord()->getSuperClasses())
+ if (Rec->isSubClassOf(SC))
return true;
return false;
}
-
/// resolveTypes - Find a common type that T1 and T2 convert to.
-/// Return 0 if no such type exists.
+/// Return null if no such type exists.
///
RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) {
- if (!T1->typeIsConvertibleTo(T2)) {
- if (!T2->typeIsConvertibleTo(T1)) {
- // If one is a Record type, check superclasses
- RecordRecTy *RecTy1 = dynamic_cast<RecordRecTy*>(T1);
- if (RecTy1) {
- // See if T2 inherits from a type T1 also inherits from
- const std::vector<Record *> &T1SuperClasses =
- RecTy1->getRecord()->getSuperClasses();
- for(std::vector<Record *>::const_iterator i = T1SuperClasses.begin(),
- iend = T1SuperClasses.end();
- i != iend;
- ++i) {
- RecordRecTy *SuperRecTy1 = RecordRecTy::get(*i);
- RecTy *NewType1 = resolveTypes(SuperRecTy1, T2);
- if (NewType1 != 0) {
- if (NewType1 != SuperRecTy1) {
- delete SuperRecTy1;
- }
- return NewType1;
- }
- }
- }
- RecordRecTy *RecTy2 = dynamic_cast<RecordRecTy*>(T2);
- if (RecTy2) {
- // See if T1 inherits from a type T2 also inherits from
- const std::vector<Record *> &T2SuperClasses =
- RecTy2->getRecord()->getSuperClasses();
- for (std::vector<Record *>::const_iterator i = T2SuperClasses.begin(),
- iend = T2SuperClasses.end();
- i != iend;
- ++i) {
- RecordRecTy *SuperRecTy2 = RecordRecTy::get(*i);
- RecTy *NewType2 = resolveTypes(T1, SuperRecTy2);
- if (NewType2 != 0) {
- if (NewType2 != SuperRecTy2) {
- delete SuperRecTy2;
- }
- return NewType2;
- }
- }
- }
- return 0;
- }
+ 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 (Record *SuperRec1 : RecTy1->getRecord()->getSuperClasses()) {
+ RecordRecTy *SuperRecTy1 = RecordRecTy::get(SuperRec1);
+ 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 (Record *SuperRec2 : RecTy2->getRecord()->getSuperClasses()) {
+ RecordRecTy *SuperRecTy2 = RecordRecTy::get(SuperRec2);
+ RecTy *NewType2 = resolveTypes(T1, SuperRecTy2);
+ if (NewType2)
+ return NewType2;
+ }
}
- return T1;
+ return nullptr;
}
// Initializer implementations
//===----------------------------------------------------------------------===//
+void Init::anchor() { }
void Init::dump() const { return print(errs()); }
UnsetInit *UnsetInit::get() {
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 (ArrayRef<Init *>::iterator i = Range.begin(),
- iend = Range.end();
- i != iend;
- ++i)
- ID.AddPointer(*i);
+ for (Init *I : Range)
+ ID.AddPointer(I);
}
BitsInit *BitsInit::get(ArrayRef<Init *> Range) {
- typedef FoldingSet<BitsInit> Pool;
- static Pool ThePool;
+ static FoldingSet<BitsInit> ThePool;
+ static std::vector<std::unique_ptr<BitsInit>> TheActualPool;
FoldingSetNodeID ID;
ProfileBitsInit(ID, Range);
- void *IP = 0;
+ void *IP = nullptr;
if (BitsInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
return I;
BitsInit *I = new BitsInit(Range);
ThePool.InsertNode(I, IP);
-
+ TheActualPool.push_back(std::unique_ptr<BitsInit>(I));
return I;
}
ProfileBitsInit(ID, Bits);
}
+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(const std::vector<unsigned> &Bits) const {
SmallVector<Init *, 16> NewBits(Bits.size());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
if (Bits[i] >= getNumBits())
- return 0;
+ return nullptr;
NewBits[i] = getBit(Bits[i]);
}
return BitsInit::get(NewBits);
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.
//
bool Changed = false;
SmallVector<Init *, 16> NewBits(getNumBits());
- for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
- Init *B;
- Init *CurBit = getBit(i);
+ Init *CachedInit = nullptr;
+ Init *CachedBitVar = nullptr;
+ bool CachedBitVarChanged = false;
+
+ for (unsigned i = 0, e = getNumBits(); i != e; ++i) {
+ Init *CurBit = Bits[i];
+ Init *CurBitVar = CurBit->getBitVar();
- do {
- B = CurBit;
- CurBit = CurBit->resolveReferences(R, RV);
- Changed |= B != CurBit;
- } while (B != CurBit);
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)
}
IntInit *IntInit::get(int64_t V) {
- typedef DenseMap<int64_t, IntInit *> Pool;
- static Pool ThePool;
+ static DenseMap<int64_t, std::unique_ptr<IntInit>> ThePool;
- IntInit *&I = ThePool[V];
- if (!I) I = new IntInit(V);
- return I;
+ std::unique_ptr<IntInit> &I = ThePool[V];
+ if (!I) I.reset(new IntInit(V));
+ return I.get();
}
std::string IntInit::getAsString() const {
return itostr(Value);
}
+/// canFitInBitfield - Return true if the number of bits is large enough to hold
+/// the integer 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(const std::vector<unsigned> &Bits) const {
SmallVector<Init *, 16> NewBits(Bits.size());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
if (Bits[i] >= 64)
- return 0;
+ return nullptr;
NewBits[i] = BitInit::get(Value & (INT64_C(1) << Bits[i]));
}
return BitsInit::get(NewBits);
}
-StringInit *StringInit::get(const std::string &V) {
- typedef StringMap<StringInit *> Pool;
- static Pool ThePool;
+StringInit *StringInit::get(StringRef V) {
+ static StringMap<std::unique_ptr<StringInit>> ThePool;
- StringInit *&I = ThePool[V];
- if (!I) I = new StringInit(V);
- return I;
+ std::unique_ptr<StringInit> &I = ThePool[V];
+ if (!I) I.reset(new StringInit(V));
+ return I.get();
}
-CodeInit *CodeInit::get(const std::string &V) {
- typedef StringMap<CodeInit *> Pool;
- static Pool ThePool;
+Init *StringInit::convertInitializerTo(RecTy *Ty) const {
+ if (isa<StringRecTy>(Ty))
+ return const_cast<StringInit *>(this);
- CodeInit *&I = ThePool[V];
- if (!I) I = new CodeInit(V);
- return I;
+ return nullptr;
}
static void ProfileListInit(FoldingSetNodeID &ID,
ID.AddInteger(Range.size());
ID.AddPointer(EltTy);
- for (ArrayRef<Init *>::iterator i = Range.begin(),
- iend = Range.end();
- i != iend;
- ++i)
- ID.AddPointer(*i);
+ for (Init *I : Range)
+ ID.AddPointer(I);
}
ListInit *ListInit::get(ArrayRef<Init *> Range, RecTy *EltTy) {
- typedef FoldingSet<ListInit> Pool;
- static Pool ThePool;
+ static FoldingSet<ListInit> ThePool;
+ static std::vector<std::unique_ptr<ListInit>> TheActualPool;
- // Just use the FoldingSetNodeID to compute a hash. Use a DenseMap
- // for actual storage.
FoldingSetNodeID ID;
ProfileListInit(ID, Range, EltTy);
- void *IP = 0;
+ void *IP = nullptr;
if (ListInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
return I;
ListInit *I = new ListInit(Range, EltTy);
ThePool.InsertNode(I, IP);
+ TheActualPool.push_back(std::unique_ptr<ListInit>(I));
return I;
}
void ListInit::Profile(FoldingSetNodeID &ID) const {
- ListRecTy *ListType = dynamic_cast<ListRecTy *>(getType());
- assert(ListType && "Bad type for ListInit!");
- RecTy *EltTy = ListType->getElementType();
+ RecTy *EltTy = cast<ListRecTy>(getType())->getElementType();
ProfileListInit(ID, Values, EltTy);
}
+Init *ListInit::convertInitializerTo(RecTy *Ty) const {
+ if (auto *LRT = dyn_cast<ListRecTy>(Ty)) {
+ std::vector<Init*> Elements;
+
+ // Verify that all of the elements of the list are subclasses of the
+ // appropriate class!
+ for (Init *I : getValues())
+ if (Init *CI = I->convertInitializerTo(LRT->getElementType()))
+ Elements.push_back(CI);
+ else
+ return nullptr;
+
+ if (isa<ListRecTy>(getType()))
+ return ListInit::get(Elements, Ty);
+ }
+
+ return nullptr;
+}
+
Init *
ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
std::vector<Init*> Vals;
for (unsigned i = 0, e = Elements.size(); i != e; ++i) {
- if (Elements[i] >= getSize())
- return 0;
+ if (Elements[i] >= size())
+ return nullptr;
Vals.push_back(getElement(Elements[i]));
}
return ListInit::get(Vals, getType());
Record *ListInit::getElementAsRecord(unsigned i) const {
assert(i < Values.size() && "List element index out of range!");
- DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
- if (DI == 0) throw "Expected record in list!";
+ DefInit *DI = dyn_cast<DefInit>(Values[i]);
+ if (!DI)
+ PrintFatalError("Expected record in list!");
return DI->getDef();
}
Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) const {
std::vector<Init*> Resolved;
- Resolved.reserve(getSize());
+ Resolved.reserve(size());
bool Changed = false;
- for (unsigned i = 0, e = getSize(); i != e; ++i) {
+ for (Init *CurElt : getValues()) {
Init *E;
- Init *CurElt = getElement(i);
do {
E = CurElt;
Init *ListInit::resolveListElementReference(Record &R, const RecordVal *IRV,
unsigned Elt) const {
- if (Elt >= getSize())
- return 0; // Out of range reference.
+ 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 || !dynamic_cast<UnsetInit*>(E))
+ if (IRV || !isa<UnsetInit>(E))
return E;
- return 0;
+ return nullptr;
}
std::string ListInit::getAsString() const {
return Result + "]";
}
-Init *OpInit::resolveBitReference(Record &R, const RecordVal *IRV,
- unsigned Bit) const {
- Init *Folded = Fold(&R, 0);
-
- if (Folded != this) {
- TypedInit *Typed = dynamic_cast<TypedInit *>(Folded);
- if (Typed) {
- return Typed->resolveBitReference(R, IRV, Bit);
- }
- }
-
- return 0;
-}
-
Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV,
unsigned Elt) const {
Init *Resolved = resolveReferences(R, IRV);
- OpInit *OResolved = dynamic_cast<OpInit *>(Resolved);
+ OpInit *OResolved = dyn_cast<OpInit>(Resolved);
if (OResolved) {
- Resolved = OResolved->Fold(&R, 0);
+ Resolved = OResolved->Fold(&R, nullptr);
}
if (Resolved != this) {
- TypedInit *Typed = dynamic_cast<TypedInit *>(Resolved);
- assert(Typed && "Expected typed init for list reference");
- if (Typed) {
- Init *New = Typed->resolveListElementReference(R, IRV, Elt);
- if (New)
- return New;
- return VarListElementInit::get(Typed, Elt);
- }
+ TypedInit *Typed = cast<TypedInit>(Resolved);
+ if (Init *New = Typed->resolveListElementReference(R, IRV, Elt))
+ return New;
+ return VarListElementInit::get(Typed, Elt);
}
- return 0;
+ 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);
}
UnOpInit *UnOpInit::get(UnaryOp opc, Init *lhs, RecTy *Type) {
typedef std::pair<std::pair<unsigned, Init *>, RecTy *> Key;
-
- typedef DenseMap<Key, UnOpInit *> Pool;
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<UnOpInit>> ThePool;
Key TheKey(std::make_pair(std::make_pair(opc, lhs), Type));
- UnOpInit *&I = ThePool[TheKey];
- if (!I) I = new UnOpInit(opc, lhs, Type);
- return I;
+ std::unique_ptr<UnOpInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new UnOpInit(opc, lhs, Type));
+ return I.get();
}
Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
switch (getOpcode()) {
- default: assert(0 && "Unknown unop");
case CAST: {
- if (getType()->getAsString() == "string") {
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- if (LHSs) {
+ if (isa<StringRecTy>(getType())) {
+ if (StringInit *LHSs = dyn_cast<StringInit>(LHS))
return LHSs;
- }
- DefInit *LHSd = dynamic_cast<DefInit*>(LHS);
- if (LHSd) {
- return StringInit::get(LHSd->getDef()->getName());
- }
+ 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 {
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- if (LHSs) {
+ if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) {
std::string Name = LHSs->getValue();
// From TGParser::ParseIDValue
if (CurRec) {
if (const RecordVal *RV = CurRec->getValue(Name)) {
if (RV->getType() != getType())
- throw "type mismatch in cast";
+ 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())
- throw "type mismatch in cast";
+ PrintFatalError("type mismatch in cast");
return VarInit::get(TemplateArgName, RV->getType());
}
}
if (CurMultiClass) {
- Init *MCName = QualifyName(CurMultiClass->Rec, CurMultiClass, Name, "::");
+ 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())
- throw "type mismatch in cast";
+ PrintFatalError("type mismatch in cast");
return VarInit::get(MCName, RV->getType());
}
}
-
+ assert(CurRec && "NULL pointer");
if (Record *D = (CurRec->getRecords()).getDef(Name))
return DefInit::get(D);
- throw TGError(CurRec->getLoc(), "Undefined reference:'" + Name + "'\n");
+ PrintFatalError(CurRec->getLoc(),
+ "Undefined reference:'" + Name + "'\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: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
- if (LHSl->getSize() == 0) {
- assert(0 && "Empty list in car");
- return 0;
- }
+ if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
+ assert(!LHSl->empty() && "Empty list in head");
return LHSl->getElement(0);
}
break;
}
case TAIL: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
- if (LHSl->getSize() == 0) {
- assert(0 && "Empty list in cdr");
- return 0;
- }
+ 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.
- ArrayRef<Init *>::iterator begin = LHSl->getValues().begin()+1;
- ArrayRef<Init *>::iterator end = LHSl->getValues().end();
- ListInit *Result =
- ListInit::get(ArrayRef<Init *>(begin, end - begin),
- LHSl->getType());
- return Result;
+ return ListInit::get(LHSl->getValues().slice(1), LHSl->getType());
}
break;
}
case EMPTY: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
- if (LHSl->getSize() == 0) {
- return IntInit::get(1);
- } else {
- return IntInit::get(0);
- }
- }
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- if (LHSs) {
- if (LHSs->getValue().empty()) {
- return IntInit::get(1);
- } else {
- return IntInit::get(0);
- }
- }
+ 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;
}
Init *lhs = LHS->resolveReferences(R, RV);
if (LHS != lhs)
- return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, 0);
- return Fold(&R, 0);
+ return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, nullptr);
+ return Fold(&R, nullptr);
}
std::string UnOpInit::getAsString() const {
RecTy *
> Key;
- typedef DenseMap<Key, BinOpInit *> Pool;
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<BinOpInit>> ThePool;
Key TheKey(std::make_pair(std::make_pair(std::make_pair(opc, lhs), rhs),
Type));
- BinOpInit *&I = ThePool[TheKey];
- if (!I) I = new BinOpInit(opc, lhs, rhs, Type);
- return I;
+ std::unique_ptr<BinOpInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new BinOpInit(opc, lhs, rhs, Type));
+ return I.get();
}
Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
switch (getOpcode()) {
- default: assert(0 && "Unknown binop");
case CONCAT: {
- DagInit *LHSs = dynamic_cast<DagInit*>(LHS);
- DagInit *RHSs = dynamic_cast<DagInit*>(RHS);
+ DagInit *LHSs = dyn_cast<DagInit>(LHS);
+ DagInit *RHSs = dyn_cast<DagInit>(RHS);
if (LHSs && RHSs) {
- DefInit *LOp = dynamic_cast<DefInit*>(LHSs->getOperator());
- DefInit *ROp = dynamic_cast<DefInit*>(RHSs->getOperator());
- if (LOp == 0 || ROp == 0 || LOp->getDef() != ROp->getDef())
- throw "Concated Dag operators do not match!";
+ 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!");
std::vector<Init*> Args;
std::vector<std::string> ArgNames;
for (unsigned i = 0, e = LHSs->getNumArgs(); i != e; ++i) {
}
break;
}
+ case LISTCONCAT: {
+ ListInit *LHSs = dyn_cast<ListInit>(LHS);
+ ListInit *RHSs = dyn_cast<ListInit>(RHS);
+ if (LHSs && RHSs) {
+ std::vector<Init *> 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 = dynamic_cast<StringInit*>(LHS);
- StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+ StringInit *LHSs = dyn_cast<StringInit>(LHS);
+ StringInit *RHSs = dyn_cast<StringInit>(RHS);
if (LHSs && RHSs)
return StringInit::get(LHSs->getValue() + RHSs->getValue());
break;
case EQ: {
// try to fold eq comparison for 'bit' and 'int', otherwise fallback
// to string objects.
- IntInit* L =
- dynamic_cast<IntInit*>(LHS->convertInitializerTo(IntRecTy::get()));
- IntInit* R =
- dynamic_cast<IntInit*>(RHS->convertInitializerTo(IntRecTy::get()));
+ 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 = dynamic_cast<StringInit*>(LHS);
- StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+ StringInit *LHSs = dyn_cast<StringInit>(LHS);
+ StringInit *RHSs = dyn_cast<StringInit>(RHS);
// Make sure we've resolved
if (LHSs && RHSs)
break;
}
+ case ADD:
+ case AND:
case SHL:
case SRA:
case SRL: {
- IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
- IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
+ 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: assert(0 && "Bad opcode!");
+ default: llvm_unreachable("Bad opcode!");
+ case ADD: Result = LHSv + RHSv; break;
+ case AND: 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;
Init *rhs = RHS->resolveReferences(R, RV);
if (LHS != lhs || RHS != rhs)
- return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0);
- return Fold(&R, 0);
+ return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R,nullptr);
+ return Fold(&R, nullptr);
}
std::string BinOpInit::getAsString() const {
std::string Result;
switch (Opc) {
case CONCAT: Result = "!con"; break;
+ case ADD: Result = "!add"; break;
+ case AND: Result = "!and"; 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() + ")";
}
-TernOpInit *TernOpInit::get(TernaryOp opc, Init *lhs,
- Init *mhs, Init *rhs,
- RecTy *Type) {
+TernOpInit *TernOpInit::get(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
+ RecTy *Type) {
typedef std::pair<
std::pair<
std::pair<std::pair<unsigned, RecTy *>, Init *>,
Init *
> Key;
- typedef DenseMap<Key, TernOpInit *> Pool;
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<TernOpInit>> ThePool;
Key TheKey(std::make_pair(std::make_pair(std::make_pair(std::make_pair(opc,
Type),
mhs),
rhs));
- TernOpInit *&I = ThePool[TheKey];
- if (!I) I = new TernOpInit(opc, lhs, mhs, rhs, Type);
- return I;
+ std::unique_ptr<TernOpInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new TernOpInit(opc, lhs, mhs, rhs, Type));
+ return I.get();
}
static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg,
RecTy *Type, Record *CurRec,
MultiClass *CurMultiClass) {
- std::vector<Init *> NewOperands;
-
- TypedInit *TArg = dynamic_cast<TypedInit*>(Arg);
-
// If this is a dag, recurse
- if (TArg && TArg->getType()->getAsString() == "dag") {
- Init *Result = ForeachHelper(LHS, Arg, RHSo, Type,
- CurRec, CurMultiClass);
- if (Result != 0) {
- return Result;
- } else {
- return 0;
- }
- }
+ if (auto *TArg = dyn_cast<TypedInit>(Arg))
+ if (isa<DagRecTy>(TArg->getType()))
+ return ForeachHelper(LHS, Arg, RHSo, Type, CurRec, CurMultiClass);
- for (int i = 0; i < RHSo->getNumOperands(); ++i) {
- OpInit *RHSoo = dynamic_cast<OpInit*>(RHSo->getOperand(i));
-
- if (RHSoo) {
- Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
- Type, CurRec, CurMultiClass);
- if (Result != 0) {
+ std::vector<Init *> NewOperands;
+ for (unsigned i = 0; i < RHSo->getNumOperands(); ++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 {
+ else
NewOperands.push_back(Arg);
- }
} else if (LHS->getAsString() == RHSo->getOperand(i)->getAsString()) {
NewOperands.push_back(Arg);
} else {
// Now run the operator and use its result as the new leaf
const OpInit *NewOp = RHSo->clone(NewOperands);
Init *NewVal = NewOp->Fold(CurRec, CurMultiClass);
- if (NewVal != NewOp)
- return NewVal;
-
- return 0;
+ return (NewVal != NewOp) ? NewVal : nullptr;
}
static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
Record *CurRec, MultiClass *CurMultiClass) {
- DagInit *MHSd = dynamic_cast<DagInit*>(MHS);
- ListInit *MHSl = dynamic_cast<ListInit*>(MHS);
- DagRecTy *DagType = dynamic_cast<DagRecTy*>(Type);
- ListRecTy *ListType = dynamic_cast<ListRecTy*>(Type);
+ OpInit *RHSo = dyn_cast<OpInit>(RHS);
- OpInit *RHSo = dynamic_cast<OpInit*>(RHS);
+ if (!RHSo)
+ PrintFatalError(CurRec->getLoc(), "!foreach requires an operator\n");
- if (!RHSo) {
- throw TGError(CurRec->getLoc(), "!foreach requires an operator\n");
- }
+ TypedInit *LHSt = dyn_cast<TypedInit>(LHS);
- TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS);
+ if (!LHSt)
+ PrintFatalError(CurRec->getLoc(), "!foreach requires typed variable\n");
- if (!LHSt) {
- throw TGError(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;
- if ((MHSd && DagType) || (MHSl && ListType)) {
- if (MHSd) {
- Init *Val = MHSd->getOperator();
- Init *Result = EvaluateOperation(RHSo, LHS, Val,
- Type, CurRec, CurMultiClass);
- if (Result != 0) {
- Val = Result;
- }
-
- std::vector<std::pair<Init *, std::string> > args;
- for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) {
- Init *Arg;
- std::string ArgName;
- Arg = MHSd->getArg(i);
- ArgName = MHSd->getArgName(i);
-
- // Process args
- Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type,
- CurRec, CurMultiClass);
- if (Result != 0) {
- Arg = Result;
- }
+ std::vector<std::pair<Init *, std::string> > args;
+ for (unsigned int i = 0; i < MHSd->getNumArgs(); ++i) {
+ Init *Arg = MHSd->getArg(i);
+ std::string ArgName = MHSd->getArgName(i);
- // TODO: Process arg names
- args.push_back(std::make_pair(Arg, ArgName));
- }
+ // Process args
+ if (Init *Result = EvaluateOperation(RHSo, LHS, Arg, Type,
+ CurRec, CurMultiClass))
+ Arg = Result;
- return DagInit::get(Val, "", args);
+ // TODO: Process arg names
+ args.push_back(std::make_pair(Arg, ArgName));
}
- if (MHSl) {
- std::vector<Init *> NewOperands;
- std::vector<Init *> NewList(MHSl->begin(), MHSl->end());
-
- for (std::vector<Init *>::iterator li = NewList.begin(),
- liend = NewList.end();
- li != liend;
- ++li) {
- Init *Item = *li;
- NewOperands.clear();
- for(int 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)
- *li = NewItem;
+ return DagInit::get(Val, "", args);
+ }
+
+ ListInit *MHSl = dyn_cast<ListInit>(MHS);
+ if (MHSl && isa<ListRecTy>(Type)) {
+ std::vector<Init *> NewOperands;
+ std::vector<Init *> 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));
}
- return ListInit::get(NewList, MHSl->getType());
+
+ // 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 0;
+ return nullptr;
}
Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
switch (getOpcode()) {
- default: assert(0 && "Unknown binop");
case SUBST: {
- DefInit *LHSd = dynamic_cast<DefInit*>(LHS);
- VarInit *LHSv = dynamic_cast<VarInit*>(LHS);
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
-
- DefInit *MHSd = dynamic_cast<DefInit*>(MHS);
- VarInit *MHSv = dynamic_cast<VarInit*>(MHS);
- StringInit *MHSs = dynamic_cast<StringInit*>(MHS);
-
- DefInit *RHSd = dynamic_cast<DefInit*>(RHS);
- VarInit *RHSv = dynamic_cast<VarInit*>(RHS);
- StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
-
- if ((LHSd && MHSd && RHSd)
- || (LHSv && MHSv && RHSv)
- || (LHSs && MHSs && RHSs)) {
- if (RHSd) {
- Record *Val = RHSd->getDef();
- if (LHSd->getAsString() == RHSd->getAsString()) {
- Val = MHSd->getDef();
- }
- return DefInit::get(Val);
- }
- if (RHSv) {
- std::string Val = RHSv->getName();
- if (LHSv->getAsString() == RHSv->getAsString()) {
- Val = MHSv->getName();
- }
- return VarInit::get(Val, getType());
+ 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();
}
- if (RHSs) {
- std::string Val = RHSs->getValue();
-
- std::string::size_type found;
- std::string::size_type idx = 0;
- do {
- found = Val.find(LHSs->getValue(), idx);
- if (found != std::string::npos) {
- Val.replace(found, LHSs->getValue().size(), MHSs->getValue());
- }
- idx = found + MHSs->getValue().size();
- } while (found != std::string::npos);
- return StringInit::get(Val);
- }
+ return StringInit::get(Val);
}
break;
}
case FOREACH: {
- Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
- CurRec, CurMultiClass);
- if (Result != 0) {
+ if (Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
+ CurRec, CurMultiClass))
return Result;
- }
break;
}
case IF: {
- IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
+ IntInit *LHSi = dyn_cast<IntInit>(LHS);
if (Init *I = LHS->convertInitializerTo(IntRecTy::get()))
- LHSi = dynamic_cast<IntInit*>(I);
+ LHSi = dyn_cast<IntInit>(I);
if (LHSi) {
- if (LHSi->getValue()) {
+ if (LHSi->getValue())
return MHS;
- } else {
- return RHS;
- }
+ return RHS;
}
break;
}
Init *lhs = LHS->resolveReferences(R, RV);
if (Opc == IF && lhs != LHS) {
- IntInit *Value = dynamic_cast<IntInit*>(lhs);
+ IntInit *Value = dyn_cast<IntInit>(lhs);
if (Init *I = lhs->convertInitializerTo(IntRecTy::get()))
- Value = dynamic_cast<IntInit*>(I);
- if (Value != 0) {
+ 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, 0);
- } else {
- Init *rhs = RHS->resolveReferences(R, RV);
- return (TernOpInit::get(getOpcode(), lhs, MHS,
- rhs, getType()))->Fold(&R, 0);
+ RHS, getType()))->Fold(&R, nullptr);
}
+ Init *rhs = RHS->resolveReferences(R, RV);
+ return (TernOpInit::get(getOpcode(), lhs, MHS,
+ rhs, getType()))->Fold(&R, nullptr);
}
}
if (LHS != lhs || MHS != mhs || RHS != rhs)
return (TernOpInit::get(getOpcode(), lhs, mhs, rhs,
- getType()))->Fold(&R, 0);
- return Fold(&R, 0);
+ getType()))->Fold(&R, nullptr);
+ return Fold(&R, nullptr);
}
std::string TernOpInit::getAsString() const {
case SUBST: Result = "!subst"; break;
case FOREACH: Result = "!foreach"; break;
case IF: Result = "!if"; break;
- }
- return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", "
- + RHS->getAsString() + ")";
+ }
+ return Result + "(" + LHS->getAsString() + ", " + MHS->getAsString() + ", " +
+ RHS->getAsString() + ")";
}
RecTy *TypedInit::getFieldType(const std::string &FieldName) const {
- RecordRecTy *RecordType = dynamic_cast<RecordRecTy *>(getType());
- if (RecordType) {
- RecordVal *Field = RecordType->getRecord()->getValue(FieldName);
- if (Field) {
+ 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<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;
}
- return 0;
+
+ 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(const std::vector<unsigned> &Bits) const {
- BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
- if (T == 0) return 0; // Cannot subscript a non-bits variable.
+ BitsRecTy *T = dyn_cast<BitsRecTy>(getType());
+ if (!T) return nullptr; // Cannot subscript a non-bits variable.
unsigned NumBits = T->getNumBits();
SmallVector<Init *, 16> NewBits(Bits.size());
for (unsigned i = 0, e = Bits.size(); i != e; ++i) {
if (Bits[i] >= NumBits)
- return 0;
+ return nullptr;
NewBits[i] = VarBitInit::get(const_cast<TypedInit *>(this), Bits[i]);
}
Init *
TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
- ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
- if (T == 0) return 0; // Cannot subscript a non-list variable.
+ 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]);
VarInit *VarInit::get(Init *VN, RecTy *T) {
typedef std::pair<RecTy *, Init *> Key;
- typedef DenseMap<Key, VarInit *> Pool;
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<VarInit>> ThePool;
Key TheKey(std::make_pair(T, VN));
- VarInit *&I = ThePool[TheKey];
- if (!I) I = new VarInit(VN, T);
- return I;
+ std::unique_ptr<VarInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new VarInit(VN, T));
+ return I.get();
}
const std::string &VarInit::getName() const {
- StringInit *NameString =
- dynamic_cast<StringInit *>(getNameInit());
- assert(NameString && "VarInit name is not a string!");
+ StringInit *NameString = cast<StringInit>(getNameInit());
return NameString->getValue();
}
-Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
- unsigned Bit) const {
- if (R.isTemplateArg(getName())) return 0;
- if (IRV && IRV->getName() != getName()) return 0;
-
- RecordVal *RV = R.getValue(getName());
- assert(RV && "Reference to a non-existent variable?");
- assert(dynamic_cast<BitsInit*>(RV->getValue()));
- BitsInit *BI = (BitsInit*)RV->getValue();
-
- assert(Bit < BI->getNumBits() && "Bit reference out of range!");
- Init *B = BI->getBit(Bit);
-
- // If the bit 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
- // VarBitInit with it.
- if (IRV || !dynamic_cast<UnsetInit*>(B))
- return B;
- return 0;
+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(getName())) return 0;
- if (IRV && IRV->getName() != getName()) return 0;
+ if (R.isTemplateArg(getNameInit())) return nullptr;
+ if (IRV && IRV->getNameInit() != getNameInit()) return nullptr;
- RecordVal *RV = R.getValue(getName());
+ RecordVal *RV = R.getValue(getNameInit());
assert(RV && "Reference to a non-existent variable?");
- ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
- if (!LI) {
- TypedInit *VI = dynamic_cast<TypedInit*>(RV->getValue());
- assert(VI && "Invalid list element!");
- return VarListElementInit::get(VI, Elt);
- }
+ ListInit *LI = dyn_cast<ListInit>(RV->getValue());
+ if (!LI)
+ return VarListElementInit::get(cast<TypedInit>(RV->getValue()), Elt);
- if (Elt >= LI->getSize())
- return 0; // Out of range reference.
+ 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 || !dynamic_cast<UnsetInit*>(E))
+ if (IRV || !isa<UnsetInit>(E))
return E;
- return 0;
+ return nullptr;
}
RecTy *VarInit::getFieldType(const std::string &FieldName) const {
- if (RecordRecTy *RTy = dynamic_cast<RecordRecTy*>(getType()))
+ if (RecordRecTy *RTy = dyn_cast<RecordRecTy>(getType()))
if (const RecordVal *RV = RTy->getRecord()->getValue(FieldName))
return RV->getType();
- return 0;
+ return nullptr;
}
Init *VarInit::getFieldInit(Record &R, const RecordVal *RV,
const std::string &FieldName) const {
- if (dynamic_cast<RecordRecTy*>(getType()))
+ if (isa<RecordRecTy>(getType()))
if (const RecordVal *Val = R.getValue(VarName)) {
- if (RV != Val && (RV || dynamic_cast<UnsetInit*>(Val->getValue())))
- return 0;
+ 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;
- else
- return 0;
+ return nullptr;
}
- return 0;
+ return nullptr;
}
/// resolveReferences - This method is used by classes that refer to other
///
Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const {
if (RecordVal *Val = R.getValue(VarName))
- if (RV == Val || (RV == 0 && !dynamic_cast<UnsetInit*>(Val->getValue())))
+ if (RV == Val || (!RV && !isa<UnsetInit>(Val->getValue())))
return Val->getValue();
return const_cast<VarInit *>(this);
}
VarBitInit *VarBitInit::get(TypedInit *T, unsigned B) {
typedef std::pair<TypedInit *, unsigned> Key;
- typedef DenseMap<Key, VarBitInit *> Pool;
-
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<VarBitInit>> ThePool;
Key TheKey(std::make_pair(T, B));
- VarBitInit *&I = ThePool[TheKey];
- if (!I) I = new VarBitInit(T, B);
- return I;
+ std::unique_ptr<VarBitInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new VarBitInit(T, B));
+ return I.get();
+}
+
+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) + "}";
+ return TI->getAsString() + "{" + utostr(Bit) + "}";
}
Init *VarBitInit::resolveReferences(Record &R, const RecordVal *RV) const {
- if (Init *I = getVariable()->resolveBitReference(R, RV, getBitNum()))
- return I;
- return const_cast<VarBitInit *>(this);
+ 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) {
typedef std::pair<TypedInit *, unsigned> Key;
- typedef DenseMap<Key, VarListElementInit *> Pool;
-
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<VarListElementInit>> ThePool;
Key TheKey(std::make_pair(T, E));
- VarListElementInit *&I = ThePool[TheKey];
- if (!I) I = new VarListElementInit(T, E);
- return I;
+ std::unique_ptr<VarListElementInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new VarListElementInit(T, E));
+ return I.get();
}
std::string VarListElementInit::getAsString() const {
return const_cast<VarListElementInit *>(this);
}
-Init *VarListElementInit::resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- // FIXME: This should be implemented, to support references like:
- // bit B = AA[0]{1};
- return 0;
+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 {
- Init *Result = TI->resolveListElementReference(R, RV, Element);
-
- if (Result) {
- TypedInit *TInit = dynamic_cast<TypedInit *>(Result);
- if (TInit) {
- Init *Result2 = TInit->resolveListElementReference(R, RV, Elt);
- if (Result2) return Result2;
- return new VarListElementInit(TInit, Elt);
+ 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 0;
+
+ 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(const std::string &FieldName) const {
if (const RecordVal *RV = Def->getValue(FieldName))
return RV->getType();
- return 0;
+ return nullptr;
}
Init *DefInit::getFieldInit(Record &R, const RecordVal *RV,
FieldInit *FieldInit::get(Init *R, const std::string &FN) {
typedef std::pair<Init *, TableGenStringKey> Key;
- typedef DenseMap<Key, FieldInit *> Pool;
- static Pool ThePool;
+ static DenseMap<Key, std::unique_ptr<FieldInit>> ThePool;
Key TheKey(std::make_pair(R, FN));
- FieldInit *&I = ThePool[TheKey];
- if (!I) I = new FieldInit(R, FN);
- return I;
+ std::unique_ptr<FieldInit> &I = ThePool[TheKey];
+ if (!I) I.reset(new FieldInit(R, FN));
+ return I.get();
}
-Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- if (Init *BitsVal = Rec->getFieldInit(R, RV, FieldName))
- if (BitsInit *BI = dynamic_cast<BitsInit*>(BitsVal)) {
- assert(Bit < BI->getNumBits() && "Bit reference out of range!");
- Init *B = BI->getBit(Bit);
-
- if (dynamic_cast<BitInit*>(B)) // If the bit is set.
- return B; // Replace the VarBitInit with it.
- }
- return 0;
+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 = dynamic_cast<ListInit*>(ListVal)) {
- if (Elt >= LI->getSize()) return 0;
+ 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 || !dynamic_cast<UnsetInit*>(E))
+ if (RV || !isa<UnsetInit>(E))
return E;
}
- return 0;
+ return nullptr;
}
Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) const {
Init *NewRec = RV ? Rec->resolveReferences(R, RV) : Rec;
- Init *BitsVal = NewRec->getFieldInit(R, RV, FieldName);
- if (BitsVal) {
+ 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) {
+ if (NewRec != Rec)
return FieldInit::get(NewRec, FieldName);
- }
return const_cast<FieldInit *>(this);
}
-void ProfileDagInit(FoldingSetNodeID &ID,
- Init *V,
- const std::string &VN,
- ArrayRef<Init *> ArgRange,
- ArrayRef<std::string> NameRange) {
+static void ProfileDagInit(FoldingSetNodeID &ID, Init *V, const std::string &VN,
+ ArrayRef<Init *> ArgRange,
+ ArrayRef<std::string> NameRange) {
ID.AddPointer(V);
ID.AddString(VN);
DagInit::get(Init *V, const std::string &VN,
ArrayRef<Init *> ArgRange,
ArrayRef<std::string> NameRange) {
- typedef FoldingSet<DagInit> Pool;
- static Pool ThePool;
+ static FoldingSet<DagInit> ThePool;
+ static std::vector<std::unique_ptr<DagInit>> TheActualPool;
FoldingSetNodeID ID;
ProfileDagInit(ID, V, VN, ArgRange, NameRange);
- void *IP = 0;
+ void *IP = nullptr;
if (DagInit *I = ThePool.FindNodeOrInsertPos(ID, IP))
return I;
DagInit *I = new DagInit(V, VN, ArgRange, NameRange);
ThePool.InsertNode(I, IP);
-
+ TheActualPool.push_back(std::unique_ptr<DagInit>(I));
return I;
}
DagInit *
DagInit::get(Init *V, const std::string &VN,
const std::vector<std::pair<Init*, std::string> > &args) {
- typedef std::pair<Init*, std::string> PairType;
-
std::vector<Init *> Args;
std::vector<std::string> Names;
- for (std::vector<PairType>::const_iterator i = args.begin(),
- iend = args.end();
- i != iend;
- ++i) {
- Args.push_back(i->first);
- Names.push_back(i->second);
+ for (const auto &Arg : args) {
+ Args.push_back(Arg.first);
+ Names.push_back(Arg.second);
}
return DagInit::get(V, VN, Args, Names);
ProfileDagInit(ID, Val, ValName, Args, ArgNames);
}
+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 {
std::vector<Init*> NewArgs;
for (unsigned i = 0, e = Args.size(); i != e; ++i)
std::string Result = "(" + Val->getAsString();
if (!ValName.empty())
Result += ":" + ValName;
- if (Args.size()) {
+ if (!Args.empty()) {
Result += " " + Args[0]->getAsString();
if (!ArgNames[0].empty()) Result += ":$" + ArgNames[0];
for (unsigned i = 1, e = Args.size(); i != e; ++i) {
// Other implementations
//===----------------------------------------------------------------------===//
-RecordVal::RecordVal(Init *N, RecTy *T, unsigned P)
- : Name(N), Ty(T), Prefix(P) {
- Value = Ty->convertValue(UnsetInit::get());
+RecordVal::RecordVal(Init *N, RecTy *T, bool P)
+ : NameAndPrefix(N, P), Ty(T) {
+ Value = UnsetInit::get()->convertInitializerTo(Ty);
assert(Value && "Cannot create unset value for current type!");
}
-RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P)
- : Name(StringInit::get(N)), Ty(T), Prefix(P) {
- Value = Ty->convertValue(UnsetInit::get());
+RecordVal::RecordVal(const std::string &N, RecTy *T, bool P)
+ : NameAndPrefix(StringInit::get(N), P), Ty(T) {
+ Value = UnsetInit::get()->convertInitializerTo(Ty);
assert(Value && "Cannot create unset value for current type!");
}
const std::string &RecordVal::getName() const {
- StringInit *NameString = dynamic_cast<StringInit *>(Name);
- assert(NameString && "RecordVal name is not a string!");
- return NameString->getValue();
+ return cast<StringInit>(getNameInit())->getValue();
}
void RecordVal::dump() const { errs() << *this; }
void RecordVal::print(raw_ostream &OS, bool PrintSem) const {
if (getPrefix()) OS << "field ";
- OS << *getType() << " " << getName();
+ OS << *getType() << " " << getNameInitAsString();
if (getValue())
OS << " = " << *getValue();
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.
+ RecordVal DN("NAME", StringRecTy::get(), 0);
+ addValue(DN);
+}
+
void Record::checkName() {
// Ensure the record name has string type.
- const TypedInit *TypedName = dynamic_cast<const TypedInit *>(Name);
- assert(TypedName && "Record name is not typed!");
- RecTy *Type = TypedName->getType();
- if (dynamic_cast<StringRecTy *>(Type) == 0) {
- llvm_unreachable("Record name is not a string!");
- }
+ 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 DefInit(this, new RecordRecTy(this));
- return TheInit;
+ TheInit.reset(new DefInit(this, new RecordRecTy(this)));
+ return TheInit.get();
}
const std::string &Record::getName() const {
- const StringInit *NameString =
- dynamic_cast<const StringInit *>(Name);
- assert(NameString && "Record name is not a string!");
- return NameString->getValue();
+ return cast<StringInit>(Name)->getValue();
}
void Record::setName(Init *NewName) {
- if (TrackedRecords.getDef(Name->getAsUnquotedString()) == this) {
- TrackedRecords.removeDef(Name->getAsUnquotedString());
- Name = NewName;
- TrackedRecords.addDef(this);
- } else {
- TrackedRecords.removeClass(Name->getAsUnquotedString());
- Name = NewName;
- TrackedRecords.addClass(this);
- }
+ Name = NewName;
checkName();
- // Since the Init for the name was changed, see if we can resolve
- // any of it using members of the Record.
- Init *ComputedName = Name->resolveReferences(*this, 0);
- if (ComputedName != Name) {
- setName(ComputedName);
- }
// 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
setName(StringInit::get(Name));
}
-const RecordVal *Record::getValue(Init *Name) const {
- for (unsigned i = 0, e = Values.size(); i != e; ++i)
- if (Values[i].getNameInit() == Name) return &Values[i];
- return 0;
-}
-
-RecordVal *Record::getValue(Init *Name) {
- for (unsigned i = 0, e = Values.size(); i != e; ++i)
- if (Values[i].getNameInit() == Name) return &Values[i];
- return 0;
-}
-
/// resolveReferencesTo - If anything in this record refers to RV, replace the
/// reference to RV with the RHS of RV. If RV is null, we resolve all possible
/// references.
void Record::resolveReferencesTo(const RecordVal *RV) {
for (unsigned i = 0, e = Values.size(); i != e; ++i) {
+ if (RV == &Values[i]) // Skip resolve the same field as the given one
+ continue;
if (Init *V = Values[i].getValue())
- Values[i].setValue(V->resolveReferences(*this, RV));
+ if (Values[i].setValue(V->resolveReferences(*this, RV)))
+ PrintFatalError(getLoc(), "Invalid value is found when setting '" +
+ Values[i].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);
}
}
void Record::dump() const { errs() << *this; }
raw_ostream &llvm::operator<<(raw_ostream &OS, const Record &R) {
- OS << R.getName();
+ OS << R.getNameInitAsString();
const std::vector<Init *> &TArgs = R.getTemplateArgs();
if (!TArgs.empty()) {
OS << "<";
- for (unsigned i = 0, e = TArgs.size(); i != e; ++i) {
- if (i) OS << ", ";
- const RecordVal *RV = R.getValue(TArgs[i]);
+ 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 << " {";
- const std::vector<Record*> &SC = R.getSuperClasses();
+ ArrayRef<Record *> SC = R.getSuperClasses();
if (!SC.empty()) {
OS << "\t//";
- for (unsigned i = 0, e = SC.size(); i != e; ++i)
- OS << " " << SC[i]->getName();
+ for (const Record *Super : SC)
+ OS << " " << Super->getNameInitAsString();
}
OS << "\n";
- const std::vector<RecordVal> &Vals = R.getValues();
- for (unsigned i = 0, e = Vals.size(); i != e; ++i)
- if (Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
- OS << Vals[i];
- for (unsigned i = 0, e = Vals.size(); i != e; ++i)
- if (!Vals[i].getPrefix() && !R.isTemplateArg(Vals[i].getName()))
- OS << Vals[i];
+ for (const RecordVal &Val : R.getValues())
+ if (Val.getPrefix() && !R.isTemplateArg(Val.getName()))
+ OS << Val;
+ for (const RecordVal &Val : R.getValues())
+ if (!Val.getPrefix() && !R.isTemplateArg(Val.getName()))
+ OS << Val;
return OS << "}\n";
}
/// getValueInit - Return the initializer for a value with the specified name,
-/// or throw an exception if the field does not exist.
+/// or abort if the field does not exist.
///
Init *Record::getValueInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
return R->getValue();
}
/// getValueAsString - This method looks up the specified field and returns its
-/// value as a string, throwing an exception if the field does not exist or if
+/// value as a string, aborts if the field does not exist or if
/// the value is not a string.
///
std::string Record::getValueAsString(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (StringInit *SI = dynamic_cast<StringInit*>(R->getValue()))
+ if (StringInit *SI = dyn_cast<StringInit>(R->getValue()))
return SI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a string initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a string initializer!");
}
/// getValueAsBitsInit - This method looks up the specified field and returns
-/// its value as a BitsInit, throwing an exception if the field does not exist
-/// or if the value is not the right type.
+/// its value as a BitsInit, aborts if the field does not exist or if
+/// the value is not the right type.
///
BitsInit *Record::getValueAsBitsInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (BitsInit *BI = dynamic_cast<BitsInit*>(R->getValue()))
+ if (BitsInit *BI = dyn_cast<BitsInit>(R->getValue()))
return BI;
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a BitsInit initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a BitsInit initializer!");
}
/// getValueAsListInit - This method looks up the specified field and returns
-/// its value as a ListInit, throwing an exception if the field does not exist
-/// or if the value is not the right type.
+/// its value as a ListInit, aborting if the field does not exist or if
+/// the value is not the right type.
///
ListInit *Record::getValueAsListInit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (ListInit *LI = dynamic_cast<ListInit*>(R->getValue()))
+ if (ListInit *LI = dyn_cast<ListInit>(R->getValue()))
return LI;
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a list initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a list initializer!");
}
/// getValueAsListOfDefs - This method looks up the specified field and returns
-/// its value as a vector of records, throwing an exception if the field does
-/// not exist or if the value is not the right type.
+/// its value as a vector of records, aborting if the field does not exist
+/// or if the value is not the right type.
///
std::vector<Record*>
Record::getValueAsListOfDefs(StringRef FieldName) const {
ListInit *List = getValueAsListInit(FieldName);
std::vector<Record*> Defs;
- for (unsigned i = 0; i < List->getSize(); i++) {
- if (DefInit *DI = dynamic_cast<DefInit*>(List->getElement(i))) {
+ for (Init *I : List->getValues()) {
+ if (DefInit *DI = dyn_cast<DefInit>(I))
Defs.push_back(DI->getDef());
- } else {
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' list is not entirely DefInit!";
- }
+ else
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' list is not entirely DefInit!");
}
return Defs;
}
/// getValueAsInt - This method looks up the specified field and returns its
-/// value as an int64_t, throwing an exception if the field does not exist or if
-/// the value is not the right type.
+/// value as an int64_t, aborting if the field does not exist or if the value
+/// is not the right type.
///
int64_t Record::getValueAsInt(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (IntInit *II = dynamic_cast<IntInit*>(R->getValue()))
+ if (IntInit *II = dyn_cast<IntInit>(R->getValue()))
return II->getValue();
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have an int initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have an int initializer!");
}
/// getValueAsListOfInts - This method looks up the specified field and returns
-/// its value as a vector of integers, throwing an exception if the field does
-/// not exist or if the value is not the right type.
+/// its value as a vector of integers, aborting if the field does not exist or
+/// if the value is not the right type.
///
std::vector<int64_t>
Record::getValueAsListOfInts(StringRef FieldName) const {
ListInit *List = getValueAsListInit(FieldName);
std::vector<int64_t> Ints;
- for (unsigned i = 0; i < List->getSize(); i++) {
- if (IntInit *II = dynamic_cast<IntInit*>(List->getElement(i))) {
+ for (Init *I : List->getValues()) {
+ if (IntInit *II = dyn_cast<IntInit>(I))
Ints.push_back(II->getValue());
- } else {
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a list of ints initializer!";
- }
+ else
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a list of ints initializer!");
}
return Ints;
}
/// getValueAsListOfStrings - This method looks up the specified field and
-/// returns its value as a vector of strings, throwing an exception if the
-/// field does not exist or if the value is not the right type.
+/// returns its value as a vector of strings, aborting if the field does not
+/// exist or if the value is not the right type.
///
std::vector<std::string>
Record::getValueAsListOfStrings(StringRef FieldName) const {
ListInit *List = getValueAsListInit(FieldName);
std::vector<std::string> Strings;
- for (unsigned i = 0; i < List->getSize(); i++) {
- if (StringInit *II = dynamic_cast<StringInit*>(List->getElement(i))) {
- Strings.push_back(II->getValue());
- } else {
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a list of strings initializer!";
- }
+ 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;
}
/// getValueAsDef - This method looks up the specified field and returns its
-/// value as a Record, throwing an exception if the field does not exist or if
-/// the value is not the right type.
+/// value as a Record, aborting if the field does not exist or if the value
+/// is not the right type.
///
Record *Record::getValueAsDef(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (DefInit *DI = dynamic_cast<DefInit*>(R->getValue()))
+ if (DefInit *DI = dyn_cast<DefInit>(R->getValue()))
return DI->getDef();
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a def initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a def initializer!");
}
/// getValueAsBit - This method looks up the specified field and returns its
-/// value as a bit, throwing an exception if the field does not exist or if
-/// the value is not the right type.
+/// value as a bit, aborting if the field does not exist or if the value is
+/// not the right type.
///
bool Record::getValueAsBit(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (BitInit *BI = dynamic_cast<BitInit*>(R->getValue()))
+ if (BitInit *BI = dyn_cast<BitInit>(R->getValue()))
return BI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a bit initializer!";
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a bit initializer!");
}
-/// getValueAsDag - This method looks up the specified field and returns its
-/// value as an Dag, throwing an exception if the field does not exist or if
-/// the value is not the right type.
-///
-DagInit *Record::getValueAsDag(StringRef FieldName) const {
+bool Record::getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName.str() + "'!\n");
- if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
- return DI;
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a dag initializer!";
+ 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!");
}
-std::string Record::getValueAsCode(StringRef FieldName) const {
+/// getValueAsDag - This method looks up the specified field and returns its
+/// value as an Dag, aborting if the field does not exist or if the value is
+/// not the right type.
+///
+DagInit *Record::getValueAsDag(StringRef FieldName) const {
const RecordVal *R = getValue(FieldName);
- if (R == 0 || R->getValue() == 0)
- throw "Record `" + getName() + "' does not have a field named `" +
- FieldName.str() + "'!\n";
+ if (!R || !R->getValue())
+ PrintFatalError(getLoc(), "Record `" + getName() +
+ "' does not have a field named `" + FieldName + "'!\n");
- if (CodeInit *CI = dynamic_cast<CodeInit*>(R->getValue()))
- return CI->getValue();
- throw "Record `" + getName() + "', field `" + FieldName.str() +
- "' does not have a code initializer!";
+ if (DagInit *DI = dyn_cast<DagInit>(R->getValue()))
+ return DI;
+ PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
+ FieldName + "' does not have a dag initializer!");
}
Rec.dump();
errs() << "Defs:\n";
- for (RecordVector::const_iterator r = DefPrototypes.begin(),
- rend = DefPrototypes.end();
- r != rend;
- ++r) {
- (*r)->dump();
- }
+ for (const auto &Proto : DefPrototypes)
+ Proto->dump();
}
raw_ostream &llvm::operator<<(raw_ostream &OS, const RecordKeeper &RK) {
OS << "------------- Classes -----------------\n";
- const std::map<std::string, Record*> &Classes = RK.getClasses();
- for (std::map<std::string, Record*>::const_iterator I = Classes.begin(),
- E = Classes.end(); I != E; ++I)
- OS << "class " << *I->second;
+ for (const auto &C : RK.getClasses())
+ OS << "class " << *C.second;
OS << "------------- Defs -----------------\n";
- const std::map<std::string, Record*> &Defs = RK.getDefs();
- for (std::map<std::string, Record*>::const_iterator I = Defs.begin(),
- E = Defs.end(); I != E; ++I)
- OS << "def " << *I->second;
+ for (const auto &D : RK.getDefs())
+ OS << "def " << *D.second;
return OS;
}
RecordKeeper::getAllDerivedDefinitions(const std::string &ClassName) const {
Record *Class = getClass(ClassName);
if (!Class)
- throw "ERROR: Couldn't find the `" + ClassName + "' class!\n";
+ PrintFatalError("ERROR: Couldn't find the `" + ClassName + "' class!\n");
std::vector<Record*> Defs;
- for (std::map<std::string, Record*>::const_iterator I = getDefs().begin(),
- E = getDefs().end(); I != E; ++I)
- if (I->second->isSubClassOf(Class))
- Defs.push_back(I->second);
+ for (const auto &D : getDefs())
+ if (D.second->isSubClassOf(Class))
+ Defs.push_back(D.second.get());
return Defs;
}
/// to CurRec's name.
Init *llvm::QualifyName(Record &CurRec, MultiClass *CurMultiClass,
Init *Name, const std::string &Scoper) {
- RecTy *Type = dynamic_cast<TypedInit *>(Name)->getType();
+ RecTy *Type = cast<TypedInit>(Name)->getType();
BinOpInit *NewName =
- BinOpInit::get(BinOpInit::STRCONCAT,
- BinOpInit::get(BinOpInit::STRCONCAT,
- CurRec.getNameInit(),
- StringInit::get(Scoper),
- Type)->Fold(&CurRec, CurMultiClass),
- Name,
- Type);
+ BinOpInit::get(BinOpInit::STRCONCAT,
+ BinOpInit::get(BinOpInit::STRCONCAT,
+ CurRec.getNameInit(),
+ StringInit::get(Scoper),
+ Type)->Fold(&CurRec, CurMultiClass),
+ Name,
+ Type);
if (CurMultiClass && Scoper != "::") {
NewName =
- BinOpInit::get(BinOpInit::STRCONCAT,
- BinOpInit::get(BinOpInit::STRCONCAT,
- CurMultiClass->Rec.getNameInit(),
- StringInit::get("::"),
- Type)->Fold(&CurRec, CurMultiClass),
- NewName->Fold(&CurRec, CurMultiClass),
- Type);
+ BinOpInit::get(BinOpInit::STRCONCAT,
+ BinOpInit::get(BinOpInit::STRCONCAT,
+ CurMultiClass->Rec.getNameInit(),
+ StringInit::get("::"),
+ Type)->Fold(&CurRec, CurMultiClass),
+ NewName->Fold(&CurRec, CurMultiClass),
+ Type);
}
return NewName->Fold(&CurRec, CurMultiClass);