StringRecTy StringRecTy::Shared;
DagRecTy DagRecTy::Shared;
-void RecTy::anchor() { }
void RecTy::dump() const { print(errs()); }
ListRecTy *RecTy::getListTy() {
return ListTy.get();
}
-bool RecTy::baseClassOf(const RecTy *RHS) const{
- assert (RHS && "NULL pointer");
+bool RecTy::typeIsConvertibleTo(const RecTy *RHS) const {
+ assert(RHS && "NULL pointer");
return Kind == RHS->getRecTyKind();
}
-Init *BitRecTy::convertValue(BitsInit *BI) {
- if (BI->getNumBits() != 1) return nullptr; // Only accept if just one bit!
- return BI->getBit(0);
-}
-
-Init *BitRecTy::convertValue(IntInit *II) {
- int64_t Val = II->getValue();
- if (Val != 0 && Val != 1) return nullptr; // Only accept 0 or 1 for a bit!
-
- return BitInit::get(Val != 0);
-}
-
-Init *BitRecTy::convertValue(TypedInit *VI) {
- RecTy *Ty = VI->getType();
- if (isa<BitRecTy>(Ty))
- return VI; // Accept variable if it is already of bit type!
- if (auto *BitsTy = dyn_cast<BitsRecTy>(Ty))
- // Accept only bits<1> expression.
- return BitsTy->getNumBits() == 1 ? VI : nullptr;
- // Ternary !if can be converted to bit, but only if both sides are
- // convertible to a bit.
- if (TernOpInit *TOI = dyn_cast<TernOpInit>(VI)) {
- if (TOI->getOpcode() != TernOpInit::TernaryOp::IF)
- return nullptr;
- if (!TOI->getMHS()->convertInitializerTo(BitRecTy::get()) ||
- !TOI->getRHS()->convertInitializerTo(BitRecTy::get()))
- return nullptr;
- return TOI;
- }
- return nullptr;
-}
-
-bool BitRecTy::baseClassOf(const RecTy *RHS) const{
- if(RecTy::baseClassOf(RHS) || RHS->getRecTyKind() == IntRecTyKind)
+bool BitRecTy::typeIsConvertibleTo(const RecTy *RHS) const{
+ if (RecTy::typeIsConvertibleTo(RHS) || RHS->getRecTyKind() == IntRecTyKind)
return true;
- if(const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS))
+ if (const BitsRecTy *BitsTy = dyn_cast<BitsRecTy>(RHS))
return BitsTy->getNumBits() == 1;
return false;
}
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 nullptr; // 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 nullptr;
-
- 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 nullptr;
-}
-
-Init *BitsRecTy::convertValue(TypedInit *VI) {
- if (Size == 1 && isa<BitRecTy>(VI->getType()))
- return BitsInit::get(VI);
-
- if (VI->getType()->typeIsConvertibleTo(this)) {
- SmallVector<Init *, 16> NewBits(Size);
-
- for (unsigned i = 0; i != Size; ++i)
- NewBits[i] = VarBitInit::get(VI, i);
- return BitsInit::get(NewBits);
- }
-
- return nullptr;
-}
-
-bool BitsRecTy::baseClassOf(const RecTy *RHS) const{
- if (RecTy::baseClassOf(RHS)) //argument and the receiver are the same type
+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(BitInit *BI) {
- return IntInit::get(BI->getValue());
-}
-
-Init *IntRecTy::convertValue(BitsInit *BI) {
- int64_t Result = 0;
- for (unsigned i = 0, e = BI->getNumBits(); i != e; ++i)
- if (BitInit *Bit = dyn_cast<BitInit>(BI->getBit(i))) {
- Result |= Bit->getValue() << i;
- } else {
- return nullptr;
- }
- 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 nullptr;
-}
-
-bool IntRecTy::baseClassOf(const RecTy *RHS) const{
+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) return nullptr;
- if (L != BO->getOperand())
- return UnOpInit::get(UnOpInit::CAST, L, StringRecTy::get());
- 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 || !R) return nullptr;
- if (L != BO->getLHS() || R != BO->getRHS())
- return BinOpInit::get(BinOpInit::STRCONCAT, L, R, StringRecTy::get());
- return BO;
- }
-
- return convertValue((TypedInit*)BO);
-}
-
-
-Init *StringRecTy::convertValue(TypedInit *TI) {
- if (isa<StringRecTy>(TI->getType()))
- return TI; // Accept variable if already of the right type!
- return nullptr;
+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 nullptr;
-
- if (!isa<ListRecTy>(LI->getType()))
- return nullptr;
-
- return ListInit::get(Elements, this);
-}
-
-Init *ListRecTy::convertValue(TypedInit *TI) {
- // Ensure that TI is compatible with our class.
- if (ListRecTy *LRT = dyn_cast<ListRecTy>(TI->getType()))
- if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
- return TI;
- return nullptr;
-}
-
-bool ListRecTy::baseClassOf(const RecTy *RHS) const{
- if(const ListRecTy* ListTy = dyn_cast<ListRecTy>(RHS))
- return ListTy->getElementType()->typeIsConvertibleTo(Ty);
+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(TypedInit *TI) {
- if (TI->getType()->typeIsConvertibleTo(this))
- return TI;
- return nullptr;
-}
-
-Init *DagRecTy::convertValue(UnOpInit *BO) {
- if (BO->getOpcode() == UnOpInit::CAST) {
- Init *L = BO->getOperand()->convertInitializerTo(this);
- if (!L) return nullptr;
- if (L != BO->getOperand())
- return UnOpInit::get(UnOpInit::CAST, L, new DagRecTy);
- return BO;
- }
- return nullptr;
-}
-
-Init *DagRecTy::convertValue(BinOpInit *BO) {
- if (BO->getOpcode() == BinOpInit::CONCAT) {
- Init *L = BO->getLHS()->convertInitializerTo(this);
- Init *R = BO->getRHS()->convertInitializerTo(this);
- if (!L || !R) return nullptr;
- if (L != BO->getLHS() || R != BO->getRHS())
- return BinOpInit::get(BinOpInit::CONCAT, L, R, new DagRecTy);
- return BO;
- }
- return nullptr;
+std::string DagRecTy::getAsString() const {
+ return "dag";
}
RecordRecTy *RecordRecTy::get(Record *R) {
return Rec->getName();
}
-Init *RecordRecTy::convertValue(DefInit *DI) {
- // Ensure that DI is a subclass of Rec.
- if (!DI->getDef()->isSubClassOf(Rec))
- return nullptr;
- return DI;
-}
-
-Init *RecordRecTy::convertValue(TypedInit *TI) {
- // Ensure that TI is compatible with Rec.
- if (RecordRecTy *RRT = dyn_cast<RecordRecTy>(TI->getType()))
- if (RRT->getRecord()->isSubClassOf(getRecord()) ||
- RRT->getRecord() == getRecord())
- return TI;
- return nullptr;
-}
-
-bool RecordRecTy::baseClassOf(const RecTy *RHS) const{
+bool RecordRecTy::typeIsConvertibleTo(const RecTy *RHS) const {
const RecordRecTy *RTy = dyn_cast<RecordRecTy>(RHS);
if (!RTy)
return false;
- if (Rec == RTy->getRecord() || RTy->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 (RTy->getRecord()->isSubClassOf(SC[i]))
+ for (Record *SC : RTy->getRecord()->getSuperClasses())
+ if (Rec->isSubClassOf(SC))
return true;
return false;
void Init::anchor() { }
void Init::dump() const { return print(errs()); }
-void UnsetInit::anchor() { }
-
UnsetInit *UnsetInit::get() {
static UnsetInit TheInit;
return &TheInit;
}
-void BitInit::anchor() { }
+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);
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) {
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());
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());
return BitsInit::get(NewBits);
}
-void StringInit::anchor() { }
-
StringInit *StringInit::get(StringRef V) {
static StringMap<std::unique_ptr<StringInit>> ThePool;
return I.get();
}
+Init *StringInit::convertInitializerTo(RecTy *Ty) const {
+ if (isa<StringRecTy>(Ty))
+ return const_cast<StringInit *>(this);
+
+ return nullptr;
+}
+
static void ProfileListInit(FoldingSetNodeID &ID,
ArrayRef<Init *> Range,
RecTy *EltTy) {
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) {
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())
+ if (Elements[i] >= size())
return nullptr;
Vals.push_back(getElement(Elements[i]));
}
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())
+ 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
Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const {
switch (getOpcode()) {
case CAST: {
- if (getType()->getAsString() == "string") {
+ if (isa<StringRecTy>(getType())) {
if (StringInit *LHSs = dyn_cast<StringInit>(LHS))
return LHSs;
if (DefInit *LHSd = dyn_cast<DefInit>(LHS))
- return StringInit::get(LHSd->getDef()->getName());
+ return StringInit::get(LHSd->getAsString());
if (IntInit *LHSi = dyn_cast<IntInit>(LHS))
return StringInit::get(LHSi->getAsString());
Init *TemplateArgName = QualifyName(*CurRec, CurMultiClass, Name,
":");
-
+
if (CurRec->isTemplateArg(TemplateArgName)) {
const RecordVal *RV = CurRec->getValue(TemplateArgName);
assert(RV && "Template arg doesn't exist??");
}
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);
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: {
if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
- assert(LHSl->getSize() != 0 && "Empty list in car");
+ assert(!LHSl->empty() && "Empty list in head");
return LHSl->getElement(0);
}
break;
}
case TAIL: {
if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
- assert(LHSl->getSize() != 0 && "Empty list in cdr");
+ 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: {
- if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
- if (LHSl->getSize() == 0) {
- return IntInit::get(1);
- } else {
- return IntInit::get(0);
- }
- }
- if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) {
- 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;
}
Args.insert(Args.end(), LHSs->begin(), LHSs->end());
Args.insert(Args.end(), RHSs->begin(), RHSs->end());
return ListInit::get(
- Args, static_cast<ListRecTy *>(LHSs->getType())->getElementType());
+ Args, cast<ListRecTy>(LHSs->getType())->getElementType());
}
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 *>,
static Init *EvaluateOperation(OpInit *RHSo, Init *LHS, Init *Arg,
RecTy *Type, Record *CurRec,
MultiClass *CurMultiClass) {
- std::vector<Init *> NewOperands;
-
- TypedInit *TArg = dyn_cast<TypedInit>(Arg);
-
// If this is a dag, recurse
- if (TArg && TArg->getType()->getAsString() == "dag") {
- Init *Result = ForeachHelper(LHS, Arg, RHSo, Type,
- CurRec, CurMultiClass);
- return Result;
- }
+ 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 = dyn_cast<OpInit>(RHSo->getOperand(i));
-
- if (RHSoo) {
- Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
- Type, CurRec, CurMultiClass);
- if (Result) {
+ 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 {
static Init *ForeachHelper(Init *LHS, Init *MHS, Init *RHS, RecTy *Type,
Record *CurRec, MultiClass *CurMultiClass) {
- DagInit *MHSd = dyn_cast<DagInit>(MHS);
- ListInit *MHSl = dyn_cast<ListInit>(MHS);
OpInit *RHSo = dyn_cast<OpInit>(RHS);
- if (!RHSo) {
+ 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");
- if ((MHSd && isa<DagRecTy>(Type)) || (MHSl && isa<ListRecTy>(Type))) {
- if (MHSd) {
- Init *Val = MHSd->getOperator();
- Init *Result = EvaluateOperation(RHSo, LHS, Val,
- Type, CurRec, CurMultiClass);
- if (Result) {
- Val = Result;
- }
+ 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;
+
+ 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);
+
+ // 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));
+ }
- 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) {
- Arg = Result;
- }
+ return DagInit::get(Val, "", args);
+ }
- // TODO: Process arg names
- args.push_back(std::make_pair(Arg, ArgName));
+ 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 DagInit::get(Val, "", args);
- }
- 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 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 nullptr;
}
VarInit *RHSv = dyn_cast<VarInit>(RHS);
StringInit *RHSs = dyn_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());
+ 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) {
+ if (Init *Result = ForeachHelper(LHS, MHS, RHS, getType(),
+ CurRec, CurMultiClass))
return Result;
- }
break;
}
if (Init *I = LHS->convertInitializerTo(IntRecTy::get()))
LHSi = dyn_cast<IntInit>(I);
if (LHSi) {
- if (LHSi->getValue()) {
+ if (LHSi->getValue())
return MHS;
- } else {
- return RHS;
- }
+ return RHS;
}
break;
}
Init *mhs = MHS->resolveReferences(R, RV);
return (TernOpInit::get(getOpcode(), lhs, mhs,
RHS, getType()))->Fold(&R, nullptr);
- } else {
- Init *rhs = RHS->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);
}
}
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 {
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;
+ }
+
+ 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 = dyn_cast<BitsRecTy>(getType());
RecordVal *RV = R.getValue(getNameInit());
assert(RV && "Reference to a non-existent variable?");
ListInit *LI = dyn_cast<ListInit>(RV->getValue());
- if (!LI) {
- TypedInit *VI = cast<TypedInit>(RV->getValue());
- return VarListElementInit::get(VI, Elt);
- }
+ if (!LI)
+ return VarListElementInit::get(cast<TypedInit>(RV->getValue()), Elt);
- if (Elt >= LI->getSize())
+ 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
assert(TheInit != this && "Infinite loop detected!");
if (Init *I = TheInit->getFieldInit(R, RV, FieldName))
return I;
- else
- return nullptr;
+ return nullptr;
}
return nullptr;
}
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 {
Init *VarListElementInit:: resolveListElementReference(Record &R,
const RecordVal *RV,
unsigned Elt) const {
- Init *Result = TI->resolveListElementReference(R, RV, Element);
-
- if (Result) {
+ if (Init *Result = TI->resolveListElementReference(R, RV, Element)) {
if (TypedInit *TInit = dyn_cast<TypedInit>(Result)) {
- Init *Result2 = TInit->resolveListElementReference(R, RV, Elt);
- if (Result2) return Result2;
+ if (Init *Result2 = TInit->resolveListElementReference(R, RV, Elt))
+ return Result2;
return VarListElementInit::get(TInit, Elt);
}
return Result;
}
-
+
return nullptr;
}
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();
unsigned Elt) const {
if (Init *ListVal = Rec->getFieldInit(R, RV, FieldName))
if (ListInit *LI = dyn_cast<ListInit>(ListVal)) {
- if (Elt >= LI->getSize()) return nullptr;
+ 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
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);
}
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)
// 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 {
- return cast<StringInit>(Name)->getValue();
+ return cast<StringInit>(getNameInit())->getValue();
}
void RecordVal::dump() const { errs() << *this; }
void Record::checkName() {
// Ensure the record name has string type.
const TypedInit *TypedName = cast<const TypedInit>(Name);
- RecTy *Type = TypedName->getType();
- if (!isa<StringRecTy>(Type))
+ if (!isa<StringRecTy>(TypedName->getType()))
PrintFatalError(getLoc(), "Record name is not a string!");
}
DefInit *Record::getDefInit() {
- static DenseMap<Record *, std::unique_ptr<DefInit>> ThePool;
- if (TheInit)
- return TheInit;
-
- std::unique_ptr<DefInit> &I = ThePool[this];
- if (!I) I.reset(new DefInit(this, new RecordRecTy(this)));
- return I.get();
+ if (!TheInit)
+ TheInit.reset(new DefInit(this, new RecordRecTy(this)));
+ return TheInit.get();
}
const std::string &Record::getName() const {
continue;
if (Init *V = Values[i].getValue())
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");
+ 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);
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]->getNameInitAsString();
+ 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";
}
Record::getValueAsListOfDefs(StringRef FieldName) const {
ListInit *List = getValueAsListInit(FieldName);
std::vector<Record*> Defs;
- for (unsigned i = 0; i < List->getSize(); i++) {
- if (DefInit *DI = dyn_cast<DefInit>(List->getElement(i))) {
+ for (Init *I : List->getValues()) {
+ if (DefInit *DI = dyn_cast<DefInit>(I))
Defs.push_back(DI->getDef());
- } else {
+ else
PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
FieldName + "' list is not entirely DefInit!");
- }
}
return Defs;
}
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 = dyn_cast<IntInit>(List->getElement(i))) {
+ for (Init *I : List->getValues()) {
+ if (IntInit *II = dyn_cast<IntInit>(I))
Ints.push_back(II->getValue());
- } else {
+ else
PrintFatalError(getLoc(), "Record `" + getName() + "', field `" +
FieldName + "' does not have a list of ints initializer!");
- }
}
return Ints;
}
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 = dyn_cast<StringInit>(List->getElement(i))) {
- Strings.push_back(II->getValue());
- } else {
+ 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;
}
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 auto &Classes = RK.getClasses();
- for (const auto &C : Classes)
+ for (const auto &C : RK.getClasses())
OS << "class " << *C.second;
OS << "------------- Defs -----------------\n";
- const auto &Defs = RK.getDefs();
- for (const auto &D : Defs)
+ for (const auto &D : RK.getDefs())
OS << "def " << *D.second;
return OS;
}
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);