diff options
Diffstat (limited to 'utils/TableGen/Record.cpp')
-rw-r--r-- | utils/TableGen/Record.cpp | 244 |
1 files changed, 163 insertions, 81 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp index e2f505e17e..17fe2fad6e 100644 --- a/utils/TableGen/Record.cpp +++ b/utils/TableGen/Record.cpp @@ -98,7 +98,7 @@ const Init *BitRecTy::convertValue(const IntInit *II) { int64_t Val = II->getValue(); if (Val != 0 && Val != 1) return 0; // Only accept 0 or 1 for a bit! - return new BitInit(Val != 0); + return BitInit::get(Val != 0); } const Init *BitRecTy::convertValue(const TypedInit *VI) { @@ -125,14 +125,14 @@ const Init *BitsRecTy::convertValue(const UnsetInit *UI) { SmallVector<const Init *, 16> NewBits(Size); for (unsigned i = 0; i != Size; ++i) - NewBits[i] = new UnsetInit(); + NewBits[i] = UnsetInit::get(); - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } const Init *BitsRecTy::convertValue(const BitInit *UI) { if (Size != 1) return 0; // Can only convert single bit. - return new BitsInit(ArrayRef<const Init *>(UI)); + return BitsInit::get(UI); } /// canFitInBitfield - Return true if the number of bits is large enough to hold @@ -155,9 +155,9 @@ const Init *BitsRecTy::convertValue(const IntInit *II) { SmallVector<const Init *, 16> NewBits(Size); for (unsigned i = 0; i != Size; ++i) - NewBits[i] = new BitInit(Value & (1LL << i)); + NewBits[i] = BitInit::get(Value & (1LL << i)); - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } const Init *BitsRecTy::convertValue(const BitsInit *BI) { @@ -173,12 +173,12 @@ const Init *BitsRecTy::convertValue(const TypedInit *VI) { SmallVector<const Init *, 16> NewBits(Size); for (unsigned i = 0; i != Size; ++i) - NewBits[i] = new VarBitInit(VI, i); - return new BitsInit(ArrayRef<const Init *>(NewBits)); + NewBits[i] = VarBitInit::get(VI, i); + return BitsInit::get(NewBits); } if (Size == 1 && dynamic_cast<BitRecTy*>(VI->getType())) - return new BitsInit(ArrayRef<const Init *>(VI)); + return BitsInit::get(VI); if (const TernOpInit *Tern = dynamic_cast<const TernOpInit*>(VI)) { if (Tern->getOpcode() == TernOpInit::IF) { @@ -198,12 +198,12 @@ const Init *BitsRecTy::convertValue(const TypedInit *VI) { for (unsigned i = 0; i != Size; ++i) NewBits[i] = - new TernOpInit(TernOpInit::IF, LHS, - new IntInit((MHSVal & (1LL << i)) ? 1 : 0), - new IntInit((RHSVal & (1LL << i)) ? 1 : 0), - VI->getType()); + TernOpInit::get(TernOpInit::IF, LHS, + IntInit::get((MHSVal & (1LL << i)) ? 1 : 0), + IntInit::get((RHSVal & (1LL << i)) ? 1 : 0), + VI->getType()); - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } } else { const BitsInit *MHSbs = dynamic_cast<const BitsInit*>(MHS); @@ -213,12 +213,12 @@ const Init *BitsRecTy::convertValue(const TypedInit *VI) { SmallVector<const Init *, 16> NewBits(Size); for (unsigned i = 0; i != Size; ++i) - NewBits[i] = new TernOpInit(TernOpInit::IF, LHS, - MHSbs->getBit(i), - RHSbs->getBit(i), - VI->getType()); + NewBits[i] = TernOpInit::get(TernOpInit::IF, LHS, + MHSbs->getBit(i), + RHSbs->getBit(i), + VI->getType()); - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } } } @@ -228,7 +228,7 @@ const Init *BitsRecTy::convertValue(const TypedInit *VI) { } const Init *IntRecTy::convertValue(const BitInit *BI) { - return new IntInit(BI->getValue()); + return IntInit::get(BI->getValue()); } const Init *IntRecTy::convertValue(const BitsInit *BI) { @@ -239,7 +239,7 @@ const Init *IntRecTy::convertValue(const BitsInit *BI) { } else { return 0; } - return new IntInit(Result); + return IntInit::get(Result); } const Init *IntRecTy::convertValue(const TypedInit *TI) { @@ -253,7 +253,7 @@ const Init *StringRecTy::convertValue(const UnOpInit *BO) { const Init *L = BO->getOperand()->convertInitializerTo(this); if (L == 0) return 0; if (L != BO->getOperand()) - return new UnOpInit(UnOpInit::CAST, L, new StringRecTy); + return UnOpInit::get(UnOpInit::CAST, L, new StringRecTy); return BO; } @@ -266,7 +266,7 @@ const Init *StringRecTy::convertValue(const BinOpInit *BO) { const Init *R = BO->getRHS()->convertInitializerTo(this); if (L == 0 || R == 0) return 0; if (L != BO->getLHS() || R != BO->getRHS()) - return new BinOpInit(BinOpInit::STRCONCAT, L, R, new StringRecTy); + return BinOpInit::get(BinOpInit::STRCONCAT, L, R, new StringRecTy); return BO; } @@ -300,7 +300,7 @@ const Init *ListRecTy::convertValue(const ListInit *LI) { return 0; } - return new ListInit(Elements, this); + return ListInit::get(Elements, this); } const Init *ListRecTy::convertValue(const TypedInit *TI) { @@ -328,7 +328,7 @@ const Init *DagRecTy::convertValue(const UnOpInit *BO) { const Init *L = BO->getOperand()->convertInitializerTo(this); if (L == 0) return 0; if (L != BO->getOperand()) - return new UnOpInit(UnOpInit::CAST, L, new DagRecTy); + return UnOpInit::get(UnOpInit::CAST, L, new DagRecTy); return BO; } return 0; @@ -340,7 +340,7 @@ const Init *DagRecTy::convertValue(const BinOpInit *BO) { const Init *R = BO->getRHS()->convertInitializerTo(this); if (L == 0 || R == 0) return 0; if (L != BO->getLHS() || R != BO->getRHS()) - return new BinOpInit(BinOpInit::CONCAT, L, R, new DagRecTy); + return BinOpInit::get(BinOpInit::CONCAT, L, R, new DagRecTy); return BO; } return 0; @@ -442,6 +442,18 @@ RecTy *llvm::resolveTypes(RecTy *T1, RecTy *T2) { void Init::dump() const { return print(errs()); } +const UnsetInit *UnsetInit::get() { + return new UnsetInit; +} + +const BitInit *BitInit::get(bool V) { + return new BitInit(V); +} + +const BitsInit *BitsInit::get(ArrayRef<const Init *> Range) { + return new BitsInit(Range); +} + const Init * BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { SmallVector<const Init *, 16> NewBits(Bits.size()); @@ -451,7 +463,7 @@ BitsInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { return 0; NewBits[i] = getBit(Bits[i]); } - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } std::string BitsInit::getAsString() const { @@ -486,11 +498,15 @@ const Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const { } if (Changed) - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); return this; } +const IntInit *IntInit::get(int64_t V) { + return new IntInit(V); +} + std::string IntInit::getAsString() const { return itostr(Value); } @@ -503,9 +519,21 @@ IntInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { if (Bits[i] >= 64) return 0; - NewBits[i] = new BitInit(Value & (INT64_C(1) << Bits[i])); + NewBits[i] = BitInit::get(Value & (INT64_C(1) << Bits[i])); } - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); +} + +const StringInit *StringInit::get(const std::string &V) { + return new StringInit(V); +} + +const CodeInit *CodeInit::get(const std::string &V) { + return new CodeInit(V); +} + +const ListInit *ListInit::get(ArrayRef<const Init *> Range, RecTy *EltTy) { + return new ListInit(Range, EltTy); } const Init * @@ -516,7 +544,7 @@ ListInit::convertInitListSlice(const std::vector<unsigned> &Elements) const { return 0; Vals.push_back(getElement(Elements[i])); } - return new ListInit(Vals, getType()); + return ListInit::get(Vals, getType()); } Record *ListInit::getElementAsRecord(unsigned i) const { @@ -544,7 +572,7 @@ const Init *ListInit::resolveReferences(Record &R, const RecordVal *RV) const { } if (Changed) - return new ListInit(Resolved, getType()); + return ListInit::get(Resolved, getType()); return this; } @@ -599,6 +627,10 @@ const Init *OpInit::resolveListElementReference(Record &R, const RecordVal *IRV, return 0; } +const UnOpInit *UnOpInit::get(UnaryOp opc, const Init *lhs, RecTy *Type) { + return new UnOpInit(opc, lhs, Type); +} + const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { switch (getOpcode()) { default: assert(0 && "Unknown unop"); @@ -611,7 +643,7 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { const DefInit *LHSd = dynamic_cast<const DefInit*>(LHS); if (LHSd) { - return new StringInit(LHSd->getDef()->getName()); + return StringInit::get(LHSd->getDef()->getName()); } } else { const StringInit *LHSs = dynamic_cast<const StringInit*>(LHS); @@ -623,7 +655,7 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { if (const RecordVal *RV = CurRec->getValue(Name)) { if (RV->getType() != getType()) throw "type mismatch in cast"; - return new VarInit(Name, RV->getType()); + return VarInit::get(Name, RV->getType()); } std::string TemplateArgName = CurRec->getName()+":"+Name; @@ -634,7 +666,7 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { if (RV->getType() != getType()) throw "type mismatch in cast"; - return new VarInit(TemplateArgName, RV->getType()); + return VarInit::get(TemplateArgName, RV->getType()); } } @@ -647,7 +679,7 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { if (RV->getType() != getType()) throw "type mismatch in cast"; - return new VarInit(MCName, RV->getType()); + return VarInit::get(MCName, RV->getType()); } } @@ -677,15 +709,13 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { assert(0 && "Empty list in cdr"); return 0; } - ListInit::const_iterator begin = LHSl->begin()+1; - ListInit::const_iterator end = LHSl->end(); - // We can't pass these iterators directly to ArrayRef because - // they are not convertible to Init **. Fortunately, - // RandomAccessIterator::operator * is guaranteed to return an - // lvalue. - ListInit *Result = - new ListInit(ArrayRef<const Init *>(&*begin, end - begin), - LHSl->getType()); + // Note the +1. We can't just pass the result of getValues() + // directly. + ArrayRef<const Init *>::iterator begin = LHSl->getValues().begin()+1; + ArrayRef<const Init *>::iterator end = LHSl->getValues().end(); + const ListInit *Result = + ListInit::get(ArrayRef<const Init *>(begin, end - begin), + LHSl->getType()); return Result; } break; @@ -694,17 +724,17 @@ const Init *UnOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { const ListInit *LHSl = dynamic_cast<const ListInit*>(LHS); if (LHSl) { if (LHSl->getSize() == 0) { - return new IntInit(1); + return IntInit::get(1); } else { - return new IntInit(0); + return IntInit::get(0); } } const StringInit *LHSs = dynamic_cast<const StringInit*>(LHS); if (LHSs) { if (LHSs->getValue().empty()) { - return new IntInit(1); + return IntInit::get(1); } else { - return new IntInit(0); + return IntInit::get(0); } } @@ -718,7 +748,7 @@ const Init *UnOpInit::resolveReferences(Record &R, const RecordVal *RV) const { const Init *lhs = LHS->resolveReferences(R, RV); if (LHS != lhs) - return (new UnOpInit(getOpcode(), lhs, getType()))->Fold(&R, 0); + return (UnOpInit::get(getOpcode(), lhs, getType()))->Fold(&R, 0); return Fold(&R, 0); } @@ -733,6 +763,11 @@ std::string UnOpInit::getAsString() const { return Result + "(" + LHS->getAsString() + ")"; } +const BinOpInit *BinOpInit::get(BinaryOp opc, const Init *lhs, + const Init *rhs, RecTy *Type) { + return new BinOpInit(opc, lhs, rhs, Type); +} + const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { switch (getOpcode()) { default: assert(0 && "Unknown binop"); @@ -754,7 +789,7 @@ const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { Args.push_back(RHSs->getArg(i)); ArgNames.push_back(RHSs->getArgName(i)); } - return new DagInit(LHSs->getOperator(), "", Args, ArgNames); + return DagInit::get(LHSs->getOperator(), "", Args, ArgNames); } break; } @@ -762,7 +797,7 @@ const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { const StringInit *LHSs = dynamic_cast<const StringInit*>(LHS); const StringInit *RHSs = dynamic_cast<const StringInit*>(RHS); if (LHSs && RHSs) - return new StringInit(LHSs->getValue() + RHSs->getValue()); + return StringInit::get(LHSs->getValue() + RHSs->getValue()); break; } case EQ: { @@ -774,14 +809,14 @@ const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { dynamic_cast<const IntInit*>(RHS->convertInitializerTo(IntRecTy::get())); if (L && R) - return new IntInit(L->getValue() == R->getValue()); + return IntInit::get(L->getValue() == R->getValue()); const StringInit *LHSs = dynamic_cast<const StringInit*>(LHS); const StringInit *RHSs = dynamic_cast<const StringInit*>(RHS); // Make sure we've resolved if (LHSs && RHSs) - return new IntInit(LHSs->getValue() == RHSs->getValue()); + return IntInit::get(LHSs->getValue() == RHSs->getValue()); break; } @@ -799,7 +834,7 @@ const Init *BinOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { case SRA: Result = LHSv >> RHSv; break; case SRL: Result = (uint64_t)LHSv >> (uint64_t)RHSv; break; } - return new IntInit(Result); + return IntInit::get(Result); } break; } @@ -812,7 +847,7 @@ const Init *BinOpInit::resolveReferences(Record &R, const RecordVal *RV) const { const Init *rhs = RHS->resolveReferences(R, RV); if (LHS != lhs || RHS != rhs) - return (new BinOpInit(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0); + return (BinOpInit::get(getOpcode(), lhs, rhs, getType()))->Fold(&R, 0); return Fold(&R, 0); } @@ -829,6 +864,12 @@ std::string BinOpInit::getAsString() const { return Result + "(" + LHS->getAsString() + ", " + RHS->getAsString() + ")"; } +const TernOpInit *TernOpInit::get(TernaryOp opc, const Init *lhs, + const Init *mhs, const Init *rhs, + RecTy *Type) { + return new TernOpInit(opc, lhs, mhs, rhs, Type); +} + static const Init *ForeachHelper(const Init *LHS, const Init *MHS, const Init *RHS, RecTy *Type, Record *CurRec, MultiClass *CurMultiClass); @@ -873,10 +914,9 @@ static const Init *EvaluateOperation(const OpInit *RHSo, const Init *LHS, // Now run the operator and use its result as the new leaf const OpInit *NewOp = RHSo->clone(NewOperands); const Init *NewVal = NewOp->Fold(CurRec, CurMultiClass); - if (NewVal != NewOp) { - delete NewOp; + if (NewVal != NewOp) return NewVal; - } + return 0; } @@ -929,7 +969,7 @@ static const Init *ForeachHelper(const Init *LHS, const Init *MHS, args.push_back(std::make_pair(Arg, ArgName)); } - return new DagInit(Val, "", args); + return DagInit::get(Val, "", args); } if (MHSl) { std::vector<const Init *> NewOperands; @@ -953,12 +993,10 @@ static const Init *ForeachHelper(const Init *LHS, const Init *MHS, // Now run the operator and use its result as the new list item const OpInit *NewOp = RHSo->clone(NewOperands); const Init *NewItem = NewOp->Fold(CurRec, CurMultiClass); - if (NewItem != NewOp) { + if (NewItem != NewOp) *li = NewItem; - delete NewOp; - } } - return new ListInit(NewList, MHSl->getType()); + return ListInit::get(NewList, MHSl->getType()); } } return 0; @@ -995,7 +1033,7 @@ const Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { if (LHSv->getAsString() == RHSv->getAsString()) { Val = MHSv->getName(); } - return new VarInit(Val, getType()); + return VarInit::get(Val, getType()); } if (RHSs) { std::string Val = RHSs->getValue(); @@ -1010,7 +1048,7 @@ const Init *TernOpInit::Fold(Record *CurRec, MultiClass *CurMultiClass) const { idx = found + MHSs->getValue().size(); } while (found != std::string::npos); - return new StringInit(Val); + return StringInit::get(Val); } } break; @@ -1055,12 +1093,12 @@ const Init *TernOpInit::resolveReferences(Record &R, // Short-circuit if (Value->getValue()) { const Init *mhs = MHS->resolveReferences(R, RV); - return (new TernOpInit(getOpcode(), lhs, mhs, - RHS, getType()))->Fold(&R, 0); + return (TernOpInit::get(getOpcode(), lhs, mhs, + RHS, getType()))->Fold(&R, 0); } else { const Init *rhs = RHS->resolveReferences(R, RV); - return (new TernOpInit(getOpcode(), lhs, MHS, - rhs, getType()))->Fold(&R, 0); + return (TernOpInit::get(getOpcode(), lhs, MHS, + rhs, getType()))->Fold(&R, 0); } } } @@ -1069,7 +1107,8 @@ const Init *TernOpInit::resolveReferences(Record &R, const Init *rhs = RHS->resolveReferences(R, RV); if (LHS != lhs || MHS != mhs || RHS != rhs) - return (new TernOpInit(getOpcode(), lhs, mhs, rhs, getType()))->Fold(&R, 0); + return (TernOpInit::get(getOpcode(), lhs, mhs, rhs, + getType()))->Fold(&R, 0); return Fold(&R, 0); } @@ -1106,9 +1145,9 @@ TypedInit::convertInitializerBitRange(const std::vector<unsigned> &Bits) const { if (Bits[i] >= NumBits) return 0; - NewBits[i] = new VarBitInit(this, Bits[i]); + NewBits[i] = VarBitInit::get(this, Bits[i]); } - return new BitsInit(ArrayRef<const Init *>(NewBits)); + return BitsInit::get(NewBits); } const Init * @@ -1117,16 +1156,20 @@ TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const { if (T == 0) return 0; // Cannot subscript a non-list variable. if (Elements.size() == 1) - return new VarListElementInit(this, Elements[0]); + return VarListElementInit::get(this, Elements[0]); std::vector<const Init*> ListInits; ListInits.reserve(Elements.size()); for (unsigned i = 0, e = Elements.size(); i != e; ++i) - ListInits.push_back(new VarListElementInit(this, Elements[i])); - return new ListInit(ListInits, T); + ListInits.push_back(VarListElementInit::get(this, Elements[i])); + return ListInit::get(ListInits, T); } +const VarInit *VarInit::get(const std::string &VN, RecTy *T) { + return new VarInit(VN, T); +} + const Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV, unsigned Bit) const { if (R.isTemplateArg(getName())) return 0; @@ -1160,7 +1203,7 @@ const Init *VarInit::resolveListElementReference(Record &R, if (!LI) { const VarInit *VI = dynamic_cast<const VarInit*>(RV->getValue()); assert(VI && "Invalid list element!"); - return new VarListElementInit(VI, Elt); + return VarListElementInit::get(VI, Elt); } if (Elt >= LI->getSize()) @@ -1210,6 +1253,10 @@ const Init *VarInit::resolveReferences(Record &R, const RecordVal *RV) const { return this; } +const VarBitInit *VarBitInit::get(const TypedInit *T, unsigned B) { + return new VarBitInit(T, B); +} + std::string VarBitInit::getAsString() const { return TI->getAsString() + "{" + utostr(Bit) + "}"; } @@ -1221,6 +1268,11 @@ const Init *VarBitInit::resolveReferences(Record &R, return this; } +const VarListElementInit *VarListElementInit::get(const TypedInit *T, + unsigned E) { + return new VarListElementInit(T, E); +} + std::string VarListElementInit::getAsString() const { return TI->getAsString() + "[" + utostr(Element) + "]"; } @@ -1249,7 +1301,7 @@ resolveListElementReference(Record &R, const RecordVal *RV, return 0; } -DefInit *DefInit::get(Record *R) { +const DefInit *DefInit::get(Record *R) { return R->getDefInit(); } @@ -1269,6 +1321,10 @@ std::string DefInit::getAsString() const { return Def->getName(); } +const FieldInit *FieldInit::get(const Init *R, const std::string &FN) { + return new FieldInit(R, FN); +} + const Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV, unsigned Bit) const { if (const Init *BitsVal = Rec->getFieldInit(R, RV, FieldName)) @@ -1309,11 +1365,37 @@ const Init *FieldInit::resolveReferences(Record &R, const RecordVal *RV) const { } if (NewRec != Rec) { - return new FieldInit(NewRec, FieldName); + return FieldInit::get(NewRec, FieldName); } return this; } +const DagInit * +DagInit::get(const Init *V, const std::string &VN, + const std::vector<std::pair<const Init*, std::string> > &args) { + typedef std::pair<const Init*, std::string> PairType; + + std::vector<const 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); + } + + return DagInit::get(V, VN, Args, Names); +} + +const DagInit * +DagInit::get(const Init *V, const std::string &VN, + const std::vector<const Init*> &args, + const std::vector<std::string> &argNames) { + return new DagInit(V, VN, args, argNames); +} + const Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) const { std::vector<const Init*> NewArgs; for (unsigned i = 0, e = Args.size(); i != e; ++i) @@ -1322,7 +1404,7 @@ const Init *DagInit::resolveReferences(Record &R, const RecordVal *RV) const { const Init *Op = Val->resolveReferences(R, RV); if (Args != NewArgs || Op != Val) - return new DagInit(Op, ValName, NewArgs, ArgNames); + return DagInit::get(Op, ValName, NewArgs, ArgNames); return this; } @@ -1350,7 +1432,7 @@ std::string DagInit::getAsString() const { RecordVal::RecordVal(const std::string &N, RecTy *T, unsigned P) : Name(N), Ty(T), Prefix(P) { - Value = Ty->convertValue(new UnsetInit()); + Value = Ty->convertValue(UnsetInit::get()); assert(Value && "Cannot create unset value for current type!"); } |