#include "llvm/Support/Format.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
+#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
// 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
}
Init *BitRecTy::convertValue(TypedInit *VI) {
- if (dynamic_cast<BitRecTy*>(VI->getType()))
+ RecTy *Ty = VI->getType();
+ if (isa<BitRecTy>(Ty) || isa<BitsRecTy>(Ty) || isa<IntRecTy>(Ty))
return VI; // Accept variable if it is already of bit type!
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()))
+ if (Size == 1 && isa<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 (VI->getType()->typeIsConvertibleTo(this)) {
+ SmallVector<Init *, 16> NewBits(Size);
- 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);
- }
- }
- }
+ for (unsigned i = 0; i != Size; ++i)
+ NewBits[i] = VarBitInit::get(VI, i);
+ return BitsInit::get(NewBits);
}
return 0;
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))) {
+ if (BitInit *Bit = dyn_cast<BitInit>(BI->getBit(i))) {
Result |= Bit->getValue() << i;
} else {
return 0;
Init *StringRecTy::convertValue(TypedInit *TI) {
- if (dynamic_cast<StringRecTy*>(TI->getType()))
+ if (isa<StringRecTy>(TI->getType()))
return TI; // Accept variable if already of the right type!
return 0;
}
else
return 0;
- ListRecTy *LType = dynamic_cast<ListRecTy*>(LI->getType());
- if (LType == 0) {
+ if (!isa<ListRecTy>(LI->getType()))
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 (ListRecTy *LRT = dyn_cast<ListRecTy>(TI->getType()))
if (LRT->getElementType()->typeIsConvertibleTo(getElementType()))
return TI;
return 0;
}
RecordRecTy *RecordRecTy::get(Record *R) {
- return &dynamic_cast<RecordRecTy&>(*R->getDefInit()->getType());
+ return dyn_cast<RecordRecTy>(R->getDefInit()->getType());
}
std::string RecordRecTy::getAsString() const {
Init *RecordRecTy::convertValue(TypedInit *TI) {
// Ensure that TI is compatible with Rec.
- if (RecordRecTy *RRT = dynamic_cast<RecordRecTy*>(TI->getType()))
+ if (RecordRecTy *RRT = dyn_cast<RecordRecTy>(TI->getType()))
if (RRT->getRecord()->isSubClassOf(getRecord()) ||
RRT->getRecord() == getRecord())
return TI;
return false;
}
-
/// resolveTypes - Find a common type that T1 and T2 convert to.
/// Return 0 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;
- }
+ 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
+ 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;
- }
+ }
+ }
+ if (RecordRecTy *RecTy2 = dyn_cast<RecordRecTy>(T2)) {
+ // 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;
}
- return T2;
}
- return T1;
+ return 0;
}
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 || After != UnsetInit::get())
+ 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 = 0;
+ Init *CachedBitVar = 0;
+ 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)
}
void ListInit::Profile(FoldingSetNodeID &ID) const {
- ListRecTy *ListType = dynamic_cast<ListRecTy *>(getType());
+ ListRecTy *ListType = dyn_cast<ListRecTy>(getType());
assert(ListType && "Bad type for ListInit!");
RecTy *EltTy = ListType->getElementType();
Record *ListInit::getElementAsRecord(unsigned i) const {
assert(i < Values.size() && "List element index out of range!");
- DefInit *DI = dynamic_cast<DefInit*>(Values[i]);
+ DefInit *DI = dyn_cast<DefInit>(Values[i]);
if (DI == 0) throw "Expected record in list!";
return DI->getDef();
}
// 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 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);
}
if (Resolved != this) {
- TypedInit *Typed = dynamic_cast<TypedInit *>(Resolved);
+ TypedInit *Typed = dyn_cast<TypedInit>(Resolved);
assert(Typed && "Expected typed init for list reference");
if (Typed) {
Init *New = Typed->resolveListElementReference(R, IRV, Elt);
return 0;
}
+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;
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 (StringInit *LHSs = dyn_cast<StringInit>(LHS))
return LHSs;
- }
- DefInit *LHSd = dynamic_cast<DefInit*>(LHS);
- if (LHSd) {
+ if (DefInit *LHSd = dyn_cast<DefInit>(LHS))
return StringInit::get(LHSd->getDef()->getName());
- }
+
+ 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
break;
}
case HEAD: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
+ if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
if (LHSl->getSize() == 0) {
assert(0 && "Empty list in car");
return 0;
break;
}
case TAIL: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
+ if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
if (LHSl->getSize() == 0) {
assert(0 && "Empty list in cdr");
return 0;
break;
}
case EMPTY: {
- ListInit *LHSl = dynamic_cast<ListInit*>(LHS);
- if (LHSl) {
+ if (ListInit *LHSl = dyn_cast<ListInit>(LHS)) {
if (LHSl->getSize() == 0) {
return IntInit::get(1);
} else {
return IntInit::get(0);
}
}
- StringInit *LHSs = dynamic_cast<StringInit*>(LHS);
- if (LHSs) {
+ if (StringInit *LHSs = dyn_cast<StringInit>(LHS)) {
if (LHSs->getValue().empty()) {
return IntInit::get(1);
} else {
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());
+ DefInit *LOp = dyn_cast<DefInit>(LHSs->getOperator());
+ DefInit *ROp = dyn_cast<DefInit>(RHSs->getOperator());
if (LOp == 0 || ROp == 0 || LOp->getDef() != ROp->getDef())
throw "Concated Dag operators do not match!";
std::vector<Init*> Args;
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)
case SHL:
case SRA:
case SRL: {
- IntInit *LHSi = dynamic_cast<IntInit*>(LHS);
- IntInit *RHSi = dynamic_cast<IntInit*>(RHS);
+ IntInit *LHSi = dyn_cast<IntInit>(LHS);
+ IntInit *RHSi = dyn_cast<IntInit>(RHS);
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 SHL: Result = LHSv << RHSv; break;
case SRA: Result = LHSv >> RHSv; break;
case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break;
MultiClass *CurMultiClass) {
std::vector<Init *> NewOperands;
- TypedInit *TArg = dynamic_cast<TypedInit*>(Arg);
+ TypedInit *TArg = dyn_cast<TypedInit>(Arg);
// If this is a dag, recurse
if (TArg && TArg->getType()->getAsString() == "dag") {
}
for (int i = 0; i < RHSo->getNumOperands(); ++i) {
- OpInit *RHSoo = dynamic_cast<OpInit*>(RHSo->getOperand(i));
+ OpInit *RHSoo = dyn_cast<OpInit>(RHSo->getOperand(i));
if (RHSoo) {
Init *Result = EvaluateOperation(RHSoo, LHS, Arg,
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);
+ DagInit *MHSd = dyn_cast<DagInit>(MHS);
+ ListInit *MHSl = dyn_cast<ListInit>(MHS);
- DagRecTy *DagType = dynamic_cast<DagRecTy*>(Type);
- ListRecTy *ListType = dynamic_cast<ListRecTy*>(Type);
-
- OpInit *RHSo = dynamic_cast<OpInit*>(RHS);
+ OpInit *RHSo = dyn_cast<OpInit>(RHS);
if (!RHSo) {
throw TGError(CurRec->getLoc(), "!foreach requires an operator\n");
}
- TypedInit *LHSt = dynamic_cast<TypedInit*>(LHS);
+ TypedInit *LHSt = dyn_cast<TypedInit>(LHS);
if (!LHSt) {
throw TGError(CurRec->getLoc(), "!foreach requires typed variable\n");
}
- if ((MHSd && DagType) || (MHSl && ListType)) {
+ if ((MHSd && isa<DagRecTy>(Type)) || (MHSl && isa<ListRecTy>(Type))) {
if (MHSd) {
Init *Val = MHSd->getOperator();
Init *Result = EvaluateOperation(RHSo, LHS, Val,
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 *LHSd = dyn_cast<DefInit>(LHS);
+ VarInit *LHSv = dyn_cast<VarInit>(LHS);
+ StringInit *LHSs = dyn_cast<StringInit>(LHS);
- DefInit *MHSd = dynamic_cast<DefInit*>(MHS);
- VarInit *MHSv = dynamic_cast<VarInit*>(MHS);
- StringInit *MHSs = dynamic_cast<StringInit*>(MHS);
+ DefInit *MHSd = dyn_cast<DefInit>(MHS);
+ VarInit *MHSv = dyn_cast<VarInit>(MHS);
+ StringInit *MHSs = dyn_cast<StringInit>(MHS);
- DefInit *RHSd = dynamic_cast<DefInit*>(RHS);
- VarInit *RHSv = dynamic_cast<VarInit*>(RHS);
- StringInit *RHSs = dynamic_cast<StringInit*>(RHS);
+ DefInit *RHSd = dyn_cast<DefInit>(RHS);
+ VarInit *RHSv = dyn_cast<VarInit>(RHS);
+ StringInit *RHSs = dyn_cast<StringInit>(RHS);
if ((LHSd && MHSd && RHSd)
|| (LHSv && MHSv && RHSv)
}
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()) {
return MHS;
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);
+ Value = dyn_cast<IntInit>(I);
if (Value != 0) {
// Short-circuit
if (Value->getValue()) {
}
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 0;
}
Init *
TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
- BitsRecTy *T = dynamic_cast<BitsRecTy*>(getType());
+ BitsRecTy *T = dyn_cast<BitsRecTy>(getType());
if (T == 0) return 0; // Cannot subscript a non-bits variable.
unsigned NumBits = T->getNumBits();
Init *
TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const {
- ListRecTy *T = dynamic_cast<ListRecTy*>(getType());
+ ListRecTy *T = dyn_cast<ListRecTy>(getType());
if (T == 0) return 0; // Cannot subscript a non-list variable.
if (Elements.size() == 1)
}
const std::string &VarInit::getName() const {
- StringInit *NameString =
- dynamic_cast<StringInit *>(getNameInit());
+ StringInit *NameString = dyn_cast<StringInit>(getNameInit());
assert(NameString && "VarInit name is not a string!");
return NameString->getValue();
}
-Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV,
- unsigned Bit) const {
- if (R.isTemplateArg(getNameInit())) return 0;
- if (IRV && IRV->getNameInit() != getNameInit()) return 0;
-
- RecordVal *RV = R.getValue(getNameInit());
- 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,
RecordVal *RV = R.getValue(getNameInit());
assert(RV && "Reference to a non-existent variable?");
- ListInit *LI = dynamic_cast<ListInit*>(RV->getValue());
+ ListInit *LI = dyn_cast<ListInit>(RV->getValue());
if (!LI) {
- TypedInit *VI = dynamic_cast<TypedInit*>(RV->getValue());
+ TypedInit *VI = dyn_cast<TypedInit>(RV->getValue());
assert(VI && "Invalid list element!");
return VarListElementInit::get(VI, 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;
}
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;
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())))
+ if (RV != Val && (RV || isa<UnsetInit>(Val->getValue())))
return 0;
Init *TheInit = Val->getValue();
assert(TheInit != this && "Infinite loop detected!");
///
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 == 0 && !isa<UnsetInit>(Val->getValue())))
return Val->getValue();
return const_cast<VarInit *>(this);
}
}
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,
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,
Init *Result = TI->resolveListElementReference(R, RV, Element);
if (Result) {
- TypedInit *TInit = dynamic_cast<TypedInit *>(Result);
- if (TInit) {
+ if (TypedInit *TInit = dyn_cast<TypedInit>(Result)) {
Init *Result2 = TInit->resolveListElementReference(R, RV, Elt);
if (Result2) return Result2;
return new VarListElementInit(TInit, Elt);
return I;
}
-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 (ListInit *LI = dyn_cast<ListInit>(ListVal)) {
if (Elt >= LI->getSize()) return 0;
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;
}
const std::string &RecordVal::getName() const {
- StringInit *NameString = dynamic_cast<StringInit *>(Name);
+ StringInit *NameString = dyn_cast<StringInit>(Name);
assert(NameString && "RecordVal name is not a string!");
return NameString->getValue();
}
void Record::checkName() {
// Ensure the record name has string type.
- const TypedInit *TypedName = dynamic_cast<const TypedInit *>(Name);
+ const TypedInit *TypedName = dyn_cast<const TypedInit>(Name);
assert(TypedName && "Record name is not typed!");
RecTy *Type = TypedName->getType();
- if (dynamic_cast<StringRecTy *>(Type) == 0) {
- throw "Record name is not a string!";
- }
+ if (!isa<StringRecTy>(Type))
+ throw TGError(getLoc(), "Record name is not a string!");
}
DefInit *Record::getDefInit() {
}
const std::string &Record::getName() const {
- const StringInit *NameString =
- dynamic_cast<const StringInit *>(Name);
+ const StringInit *NameString = dyn_cast<StringInit>(Name);
assert(NameString && "Record name is not a string!");
return NameString->getValue();
}
} // Otherwise this isn't yet registered.
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
/// 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)))
+ throw TGError(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);
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
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))) {
+ if (DefInit *DI = dyn_cast<DefInit>(List->getElement(i))) {
Defs.push_back(DI->getDef());
} else {
throw "Record `" + getName() + "', field `" + FieldName.str() +
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
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))) {
+ if (IntInit *II = dyn_cast<IntInit>(List->getElement(i))) {
Ints.push_back(II->getValue());
} else {
throw "Record `" + getName() + "', field `" + FieldName.str() +
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))) {
+ if (StringInit *II = dyn_cast<StringInit>(List->getElement(i))) {
Strings.push_back(II->getValue());
} else {
throw "Record `" + getName() + "', field `" + FieldName.str() +
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\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!";
+}
+
+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->getValue() == UnsetInit::get()) {
+ Unset = true;
+ return false;
+ }
+ Unset = false;
+ if (BitInit *BI = dyn_cast<BitInit>(R->getValue()))
return BI->getValue();
throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a bit initializer!";
throw "Record `" + getName() + "' does not have a field named `" +
FieldName.str() + "'!\n";
- if (DagInit *DI = dynamic_cast<DagInit*>(R->getValue()))
+ if (DagInit *DI = dyn_cast<DagInit>(R->getValue()))
return DI;
throw "Record `" + getName() + "', field `" + FieldName.str() +
"' does not have a dag initializer!";
/// 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 = dyn_cast<TypedInit>(Name)->getType();
BinOpInit *NewName =
BinOpInit::get(BinOpInit::STRCONCAT,
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