#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/Support/Allocator.h"
-#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
//===----------------------------------------------------------------------===//
class RecTy {
+public:
+ /// \brief Subclass discriminator (for dyn_cast<> et al.)
+ enum RecTyKind {
+ BitRecTyKind,
+ BitsRecTyKind,
+ IntRecTyKind,
+ StringRecTyKind,
+ ListRecTyKind,
+ DagRecTyKind,
+ RecordRecTyKind
+ };
+
+private:
+ RecTyKind Kind;
ListRecTy *ListTy;
virtual void anchor();
+
public:
- RecTy() : ListTy(0) {}
+ RecTyKind getRecTyKind() const { return Kind; }
+
+ RecTy(RecTyKind K) : Kind(K), ListTy(0) {}
virtual ~RecTy() {}
virtual std::string getAsString() const = 0;
///
class BitRecTy : public RecTy {
static BitRecTy Shared;
- BitRecTy() {}
+ BitRecTy() : RecTy(BitRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == BitRecTyKind;
+ }
+
static BitRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const { return "bit"; }
+ virtual std::string getAsString() const { return "bit"; }
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
///
class BitsRecTy : public RecTy {
unsigned Size;
- explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
+ explicit BitsRecTy(unsigned Sz) : RecTy(BitsRecTyKind), Size(Sz) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == BitsRecTyKind;
+ }
+
static BitsRecTy *get(unsigned Sz);
unsigned getNumBits() const { return Size; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const;
+ virtual std::string getAsString() const;
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
///
class IntRecTy : public RecTy {
static IntRecTy Shared;
- IntRecTy() {}
+ IntRecTy() : RecTy(IntRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == IntRecTyKind;
+ }
+
static IntRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const { return "int"; }
+ virtual std::string getAsString() const { return "int"; }
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
///
class StringRecTy : public RecTy {
static StringRecTy Shared;
- StringRecTy() {}
+ StringRecTy() : RecTy(StringRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == StringRecTyKind;
+ }
+
static StringRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const { return "string"; }
+ virtual std::string getAsString() const { return "string"; }
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
///
class ListRecTy : public RecTy {
RecTy *Ty;
- explicit ListRecTy(RecTy *T) : Ty(T) {}
+ explicit ListRecTy(RecTy *T) : RecTy(ListRecTyKind), Ty(T) {}
friend ListRecTy *RecTy::getListTy();
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == ListRecTyKind;
+ }
+
static ListRecTy *get(RecTy *T) { return T->getListTy(); }
RecTy *getElementType() const { return Ty; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const;
+ virtual std::string getAsString() const;
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
///
class DagRecTy : public RecTy {
static DagRecTy Shared;
- DagRecTy() {}
+ DagRecTy() : RecTy(DagRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == DagRecTyKind;
+ }
+
static DagRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const { return "dag"; }
+ virtual std::string getAsString() const { return "dag"; }
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
///
class RecordRecTy : public RecTy {
Record *Rec;
- explicit RecordRecTy(Record *R) : Rec(R) {}
+ explicit RecordRecTy(Record *R) : RecTy(RecordRecTyKind), Rec(R) {}
friend class Record;
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == RecordRecTyKind;
+ }
+
static RecordRecTy *get(Record *R);
Record *getRecord() const { return Rec; }
virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
- std::string getAsString() const;
+ virtual std::string getAsString() const;
- bool typeIsConvertibleTo(const RecTy *RHS) const {
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
//===----------------------------------------------------------------------===//
class Init {
- Init(const Init &); // Do not define.
- Init &operator=(const Init &); // Do not define.
+protected:
+ /// \brief Discriminator enum (for isa<>, dyn_cast<>, et al.)
+ ///
+ /// This enum is laid out by a preorder traversal of the inheritance
+ /// hierarchy, and does not contain an entry for abstract classes, as per
+ /// the recommendation in docs/HowToSetUpLLVMStyleRTTI.rst.
+ ///
+ /// We also explicitly include "first" and "last" values for each
+ /// interior node of the inheritance tree, to make it easier to read the
+ /// corresponding classof().
+ ///
+ /// We could pack these a bit tighter by not having the IK_FirstXXXInit
+ /// and IK_LastXXXInit be their own values, but that would degrade
+ /// readability for really no benefit.
+ enum InitKind {
+ IK_BitInit,
+ IK_BitsInit,
+ IK_FirstTypedInit,
+ IK_DagInit,
+ IK_DefInit,
+ IK_FieldInit,
+ IK_IntInit,
+ IK_ListInit,
+ IK_FirstOpInit,
+ IK_BinOpInit,
+ IK_TernOpInit,
+ IK_UnOpInit,
+ IK_LastOpInit,
+ IK_StringInit,
+ IK_VarInit,
+ IK_VarListElementInit,
+ IK_LastTypedInit,
+ IK_UnsetInit,
+ IK_VarBitInit
+ };
+
+private:
+ const InitKind Kind;
+ Init(const Init &) LLVM_DELETED_FUNCTION;
+ Init &operator=(const Init &) LLVM_DELETED_FUNCTION;
virtual void anchor();
+public:
+ InitKind getKind() const { return Kind; }
+
protected:
- Init(void) {}
+ explicit Init(InitKind K) : Kind(K) {}
public:
virtual ~Init() {}
/// without adding quote markers. This primaruly affects
/// StringInits where we will not surround the string value with
/// quotes.
- virtual std::string getAsUnquotedString() const { return getAsString(); }
+ virtual std::string getAsUnquotedString() const { return getAsString(); }
/// dump - Debugging method that may be called through a debugger, just
/// invokes print on stderr.
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const {
return const_cast<Init *>(this);
}
+
+ /// getBit - This method is used to return the initializer for the specified
+ /// bit.
+ virtual Init *getBit(unsigned Bit) const = 0;
+
+ /// getBitVar - This method is used to retrieve the initializer for bit
+ /// reference. For non-VarBitInit, it simply returns itself.
+ virtual Init *getBitVar() const { return const_cast<Init*>(this); }
+
+ /// getBitNum - This method is used to retrieve the bit number of a bit
+ /// reference. For non-VarBitInit, it simply returns 0.
+ virtual unsigned getBitNum() const { return 0; }
};
inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
class TypedInit : public Init {
RecTy *Ty;
- TypedInit(const TypedInit &Other); // Do not define.
- TypedInit &operator=(const TypedInit &Other); // Do not define.
+ TypedInit(const TypedInit &Other) LLVM_DELETED_FUNCTION;
+ TypedInit &operator=(const TypedInit &Other) LLVM_DELETED_FUNCTION;
protected:
- explicit TypedInit(RecTy *T) : Ty(T) {}
+ explicit TypedInit(InitKind K, RecTy *T) : Init(K), Ty(T) {}
public:
+ static bool classof(const Init *I) {
+ return I->getKind() >= IK_FirstTypedInit &&
+ I->getKind() <= IK_LastTypedInit;
+ }
RecTy *getType() const { return Ty; }
virtual Init *
///
virtual RecTy *getFieldType(const std::string &FieldName) const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const = 0;
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
/// UnsetInit - ? - Represents an uninitialized value
///
class UnsetInit : public Init {
- UnsetInit() : Init() {}
- UnsetInit(const UnsetInit &); // Do not define.
- UnsetInit &operator=(const UnsetInit &Other); // Do not define.
+ UnsetInit() : Init(IK_UnsetInit) {}
+ UnsetInit(const UnsetInit &) LLVM_DELETED_FUNCTION;
+ UnsetInit &operator=(const UnsetInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_UnsetInit;
+ }
static UnsetInit *get();
virtual Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(const_cast<UnsetInit *>(this));
}
+ virtual Init *getBit(unsigned Bit) const {
+ return const_cast<UnsetInit*>(this);
+ }
+
virtual bool isComplete() const { return false; }
virtual std::string getAsString() const { return "?"; }
};
class BitInit : public Init {
bool Value;
- explicit BitInit(bool V) : Value(V) {}
- BitInit(const BitInit &Other); // Do not define.
- BitInit &operator=(BitInit &Other); // Do not define.
+ explicit BitInit(bool V) : Init(IK_BitInit), Value(V) {}
+ BitInit(const BitInit &Other) LLVM_DELETED_FUNCTION;
+ BitInit &operator=(BitInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BitInit;
+ }
static BitInit *get(bool V);
bool getValue() const { return Value; }
return Ty->convertValue(const_cast<BitInit *>(this));
}
+ virtual Init *getBit(unsigned Bit) const {
+ assert(Bit < 1 && "Bit index out of range!");
+ return const_cast<BitInit*>(this);
+ }
+
virtual std::string getAsString() const { return Value ? "1" : "0"; }
};
class BitsInit : public Init, public FoldingSetNode {
std::vector<Init*> Bits;
- BitsInit(ArrayRef<Init *> Range) : Bits(Range.begin(), Range.end()) {}
+ BitsInit(ArrayRef<Init *> Range)
+ : Init(IK_BitsInit), Bits(Range.begin(), Range.end()) {}
- BitsInit(const BitsInit &Other); // Do not define.
- BitsInit &operator=(const BitsInit &Other); // Do not define.
+ BitsInit(const BitsInit &Other) LLVM_DELETED_FUNCTION;
+ BitsInit &operator=(const BitsInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BitsInit;
+ }
static BitsInit *get(ArrayRef<Init *> Range);
void Profile(FoldingSetNodeID &ID) const;
unsigned getNumBits() const { return Bits.size(); }
- Init *getBit(unsigned Bit) const {
- assert(Bit < Bits.size() && "Bit index out of range!");
- return Bits[Bit];
- }
-
virtual Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(const_cast<BitsInit *>(this));
}
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned Bit) const {
+ assert(Bit < Bits.size() && "Bit index out of range!");
+ return Bits[Bit];
+ }
};
class IntInit : public TypedInit {
int64_t Value;
- explicit IntInit(int64_t V) : TypedInit(IntRecTy::get()), Value(V) {}
+ explicit IntInit(int64_t V)
+ : TypedInit(IK_IntInit, IntRecTy::get()), Value(V) {}
- IntInit(const IntInit &Other); // Do not define.
- IntInit &operator=(const IntInit &Other); // Do note define.
+ IntInit(const IntInit &Other) LLVM_DELETED_FUNCTION;
+ IntInit &operator=(const IntInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_IntInit;
+ }
static IntInit *get(int64_t V);
int64_t getValue() const { return Value; }
virtual std::string getAsString() const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off int");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
unsigned Elt) const {
llvm_unreachable("Illegal element reference off int");
}
+
+ virtual Init *getBit(unsigned Bit) const {
+ return BitInit::get((Value & (1ULL << Bit)) != 0);
+ }
};
std::string Value;
explicit StringInit(const std::string &V)
- : TypedInit(StringRecTy::get()), Value(V) {}
+ : TypedInit(IK_StringInit, StringRecTy::get()), Value(V) {}
- StringInit(const StringInit &Other); // Do not define.
- StringInit &operator=(const StringInit &Other); // Do not define.
+ StringInit(const StringInit &Other) LLVM_DELETED_FUNCTION;
+ StringInit &operator=(const StringInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_StringInit;
+ }
static StringInit *get(StringRef);
const std::string &getValue() const { return Value; }
virtual std::string getAsString() const { return "\"" + Value + "\""; }
virtual std::string getAsUnquotedString() const { return Value; }
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off string");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
unsigned Elt) const {
llvm_unreachable("Illegal element reference off string");
}
+
+ virtual Init *getBit(unsigned Bit) const {
+ llvm_unreachable("Illegal bit reference off string");
+ }
};
/// ListInit - [AL, AH, CL] - Represent a list of defs
private:
explicit ListInit(ArrayRef<Init *> Range, RecTy *EltTy)
- : TypedInit(ListRecTy::get(EltTy)), Values(Range.begin(), Range.end()) {}
+ : TypedInit(IK_ListInit, ListRecTy::get(EltTy)),
+ Values(Range.begin(), Range.end()) {}
- ListInit(const ListInit &Other); // Do not define.
- ListInit &operator=(const ListInit &Other); // Do not define.
+ ListInit(const ListInit &Other) LLVM_DELETED_FUNCTION;
+ ListInit &operator=(const ListInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_ListInit;
+ }
static ListInit *get(ArrayRef<Init *> Range, RecTy *EltTy);
void Profile(FoldingSetNodeID &ID) const;
Record *getElementAsRecord(unsigned i) const;
- Init *convertInitListSlice(const std::vector<unsigned> &Elements) const;
+ virtual Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const;
virtual Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(const_cast<ListInit *>(this));
inline size_t size () const { return Values.size(); }
inline bool empty() const { return Values.empty(); }
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
- llvm_unreachable("Illegal bit reference off list");
- }
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
+
+ virtual Init *getBit(unsigned Bit) const {
+ llvm_unreachable("Illegal bit reference off list");
+ }
};
/// OpInit - Base class for operators
///
class OpInit : public TypedInit {
- OpInit(const OpInit &Other); // Do not define.
- OpInit &operator=(OpInit &Other); // Do not define.
+ OpInit(const OpInit &Other) LLVM_DELETED_FUNCTION;
+ OpInit &operator=(OpInit &Other) LLVM_DELETED_FUNCTION;
protected:
- explicit OpInit(RecTy *Type) : TypedInit(Type) {}
+ explicit OpInit(InitKind K, RecTy *Type) : TypedInit(K, Type) {}
public:
+ static bool classof(const Init *I) {
+ return I->getKind() >= IK_FirstOpInit &&
+ I->getKind() <= IK_LastOpInit;
+ }
// Clone - Clone this operator, replacing arguments with the new list
virtual OpInit *clone(std::vector<Init *> &Operands) const = 0;
return Ty->convertValue(const_cast<OpInit *>(this));
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
+
+ virtual Init *getBit(unsigned Bit) const;
};
Init *LHS;
UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type)
- : OpInit(Type), Opc(opc), LHS(lhs) {}
+ : OpInit(IK_UnOpInit, Type), Opc(opc), LHS(lhs) {}
- UnOpInit(const UnOpInit &Other); // Do not define.
- UnOpInit &operator=(const UnOpInit &Other); // Do not define.
+ UnOpInit(const UnOpInit &Other) LLVM_DELETED_FUNCTION;
+ UnOpInit &operator=(const UnOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_UnOpInit;
+ }
static UnOpInit *get(UnaryOp opc, Init *lhs, RecTy *Type);
// Clone - Clone this operator, replacing arguments with the new list
return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
}
- int getNumOperands() const { return 1; }
- Init *getOperand(int i) const {
+ virtual int getNumOperands() const { return 1; }
+ virtual Init *getOperand(int i) const {
assert(i == 0 && "Invalid operand id for unary operator");
return getOperand();
}
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+ virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
Init *LHS, *RHS;
BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {}
+ OpInit(IK_BinOpInit, Type), Opc(opc), LHS(lhs), RHS(rhs) {}
- BinOpInit(const BinOpInit &Other); // Do not define.
- BinOpInit &operator=(const BinOpInit &Other); // Do not define.
+ BinOpInit(const BinOpInit &Other) LLVM_DELETED_FUNCTION;
+ BinOpInit &operator=(const BinOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BinOpInit;
+ }
static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
RecTy *Type);
return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
}
- int getNumOperands() const { return 2; }
- Init *getOperand(int i) const {
+ virtual int getNumOperands() const { return 2; }
+ virtual Init *getOperand(int i) const {
assert((i == 0 || i == 1) && "Invalid operand id for binary operator");
if (i == 0) {
return getLHS();
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+ virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
+ OpInit(IK_TernOpInit, Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
- TernOpInit(const TernOpInit &Other); // Do not define.
- TernOpInit &operator=(const TernOpInit &Other); // Do not define.
+ TernOpInit(const TernOpInit &Other) LLVM_DELETED_FUNCTION;
+ TernOpInit &operator=(const TernOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_TernOpInit;
+ }
static TernOpInit *get(TernaryOp opc, Init *lhs,
Init *mhs, Init *rhs,
RecTy *Type);
getType());
}
- int getNumOperands() const { return 3; }
- Init *getOperand(int i) const {
+ virtual int getNumOperands() const { return 3; }
+ virtual Init *getOperand(int i) const {
assert((i == 0 || i == 1 || i == 2) &&
"Invalid operand id for ternary operator");
if (i == 0) {
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+ virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
virtual bool isComplete() const { return false; }
Init *VarName;
explicit VarInit(const std::string &VN, RecTy *T)
- : TypedInit(T), VarName(StringInit::get(VN)) {}
+ : TypedInit(IK_VarInit, T), VarName(StringInit::get(VN)) {}
explicit VarInit(Init *VN, RecTy *T)
- : TypedInit(T), VarName(VN) {}
+ : TypedInit(IK_VarInit, T), VarName(VN) {}
- VarInit(const VarInit &Other); // Do not define.
- VarInit &operator=(const VarInit &Other); // Do not define.
+ VarInit(const VarInit &Other) LLVM_DELETED_FUNCTION;
+ VarInit &operator=(const VarInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarInit;
+ }
static VarInit *get(const std::string &VN, RecTy *T);
static VarInit *get(Init *VN, RecTy *T);
return getNameInit()->getAsUnquotedString();
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
unsigned Elt) const;
///
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ virtual Init *getBit(unsigned Bit) const;
+
virtual std::string getAsString() const { return getName(); }
};
TypedInit *TI;
unsigned Bit;
- VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
- assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
- ((BitsRecTy*)T->getType())->getNumBits() > B &&
+ VarBitInit(TypedInit *T, unsigned B) : Init(IK_VarBitInit), TI(T), Bit(B) {
+ assert(T->getType() &&
+ (isa<IntRecTy>(T->getType()) ||
+ (isa<BitsRecTy>(T->getType()) &&
+ cast<BitsRecTy>(T->getType())->getNumBits() > B)) &&
"Illegal VarBitInit expression!");
}
- VarBitInit(const VarBitInit &Other); // Do not define.
- VarBitInit &operator=(const VarBitInit &Other); // Do not define.
+ VarBitInit(const VarBitInit &Other) LLVM_DELETED_FUNCTION;
+ VarBitInit &operator=(const VarBitInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarBitInit;
+ }
static VarBitInit *get(TypedInit *T, unsigned B);
virtual Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(const_cast<VarBitInit *>(this));
}
- TypedInit *getVariable() const { return TI; }
- unsigned getBitNum() const { return Bit; }
+ virtual Init *getBitVar() const { return TI; }
+ virtual unsigned getBitNum() const { return Bit; }
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned B) const {
+ assert(B < 1 && "Bit index out of range!");
+ return const_cast<VarBitInit*>(this);
+ }
};
/// VarListElementInit - List[4] - Represent access to one element of a var or
unsigned Element;
VarListElementInit(TypedInit *T, unsigned E)
- : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
- TI(T), Element(E) {
- assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
+ : TypedInit(IK_VarListElementInit,
+ cast<ListRecTy>(T->getType())->getElementType()),
+ TI(T), Element(E) {
+ assert(T->getType() && isa<ListRecTy>(T->getType()) &&
"Illegal VarBitInit expression!");
}
- VarListElementInit(const VarListElementInit &Other); // Do not define.
- VarListElementInit &operator=(const VarListElementInit &Other); // Do
- // not
- // define.
+ VarListElementInit(const VarListElementInit &Other) LLVM_DELETED_FUNCTION;
+ void operator=(const VarListElementInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarListElementInit;
+ }
static VarListElementInit *get(TypedInit *T, unsigned E);
virtual Init *convertInitializerTo(RecTy *Ty) const {
TypedInit *getVariable() const { return TI; }
unsigned getElementNum() const { return Element; }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
-
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
virtual std::string getAsString() const;
virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
+ virtual Init *getBit(unsigned Bit) const;
};
/// DefInit - AL - Represent a reference to a 'def' in the description
class DefInit : public TypedInit {
Record *Def;
- DefInit(Record *D, RecordRecTy *T) : TypedInit(T), Def(D) {}
+ DefInit(Record *D, RecordRecTy *T) : TypedInit(IK_DefInit, T), Def(D) {}
friend class Record;
- DefInit(const DefInit &Other); // Do not define.
- DefInit &operator=(const DefInit &Other); // Do not define.
+ DefInit(const DefInit &Other) LLVM_DELETED_FUNCTION;
+ DefInit &operator=(const DefInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_DefInit;
+ }
static DefInit *get(Record*);
virtual Init *convertInitializerTo(RecTy *Ty) const {
virtual std::string getAsString() const;
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
+ virtual Init *getBit(unsigned Bit) const {
llvm_unreachable("Illegal bit reference off def");
}
std::string FieldName; // Field we are accessing
FieldInit(Init *R, const std::string &FN)
- : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
+ : TypedInit(IK_FieldInit, R->getFieldType(FN)), Rec(R), FieldName(FN) {
assert(getType() && "FieldInit with non-record type!");
}
- FieldInit(const FieldInit &Other); // Do not define.
- FieldInit &operator=(const FieldInit &Other); // Do not define.
+ FieldInit(const FieldInit &Other) LLVM_DELETED_FUNCTION;
+ FieldInit &operator=(const FieldInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_FieldInit;
+ }
static FieldInit *get(Init *R, const std::string &FN);
static FieldInit *get(Init *R, const Init *FN);
return Ty->convertValue(const_cast<FieldInit *>(this));
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
+ virtual Init *getBit(unsigned Bit) const;
+
virtual Init *resolveListElementReference(Record &R,
const RecordVal *RV,
unsigned Elt) const;
DagInit(Init *V, const std::string &VN,
ArrayRef<Init *> ArgRange,
ArrayRef<std::string> NameRange)
- : TypedInit(DagRecTy::get()), Val(V), ValName(VN),
+ : TypedInit(IK_DagInit, DagRecTy::get()), Val(V), ValName(VN),
Args(ArgRange.begin(), ArgRange.end()),
ArgNames(NameRange.begin(), NameRange.end()) {}
- DagInit(const DagInit &Other); // Do not define.
- DagInit &operator=(const DagInit &Other); // Do not define.
+ DagInit(const DagInit &Other) LLVM_DELETED_FUNCTION;
+ DagInit &operator=(const DagInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_DagInit;
+ }
static DagInit *get(Init *V, const std::string &VN,
ArrayRef<Init *> ArgRange,
ArrayRef<std::string> NameRange);
inline size_t name_size () const { return ArgNames.size(); }
inline bool name_empty() const { return ArgNames.empty(); }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const {
+ virtual Init *getBit(unsigned Bit) const {
llvm_unreachable("Illegal bit reference off dag");
}
// Unique record ID.
unsigned ID;
Init *Name;
- SMLoc Loc;
+ // Location where record was instantiated, followed by the location of
+ // multiclass prototypes used.
+ SmallVector<SMLoc, 4> Locs;
std::vector<Init *> TemplateArgs;
std::vector<RecordVal> Values;
std::vector<Record*> SuperClasses;
public:
// Constructs a record.
- explicit Record(const std::string &N, SMLoc loc, RecordKeeper &records) :
- ID(LastID++), Name(StringInit::get(N)), Loc(loc), TrackedRecords(records),
- TheInit(0) {
+ explicit Record(const std::string &N, ArrayRef<SMLoc> locs,
+ RecordKeeper &records) :
+ ID(LastID++), Name(StringInit::get(N)), Locs(locs.begin(), locs.end()),
+ TrackedRecords(records), TheInit(0) {
init();
}
- explicit Record(Init *N, SMLoc loc, RecordKeeper &records) :
- ID(LastID++), Name(N), Loc(loc), TrackedRecords(records), TheInit(0) {
+ explicit Record(Init *N, ArrayRef<SMLoc> locs, RecordKeeper &records) :
+ ID(LastID++), Name(N), Locs(locs.begin(), locs.end()),
+ TrackedRecords(records), TheInit(0) {
init();
}
+
+ // When copy-constructing a Record, we must still guarantee a globally unique
+ // ID number. All other fields can be copied normally.
+ Record(const Record &O) :
+ ID(LastID++), Name(O.Name), Locs(O.Locs), TemplateArgs(O.TemplateArgs),
+ Values(O.Values), SuperClasses(O.SuperClasses),
+ TrackedRecords(O.TrackedRecords), TheInit(O.TheInit) { }
+
~Record() {}
void setName(Init *Name); // Also updates RecordKeeper.
void setName(const std::string &Name); // Also updates RecordKeeper.
- SMLoc getLoc() const { return Loc; }
+ ArrayRef<SMLoc> getLoc() const { return Locs; }
/// get the corresponding DefInit.
DefInit *getDefInit();
///
bool getValueAsBit(StringRef FieldName) const;
+ /// getValueAsBitOrUnset - This method looks up the specified field and
+ /// returns its value as a bit. If the field is unset, sets Unset to true and
+ /// retunrs false.
+ ///
+ bool getValueAsBitOrUnset(StringRef FieldName, bool &Unset) const;
+
/// 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.
void dump() const;
- MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
+ MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
Rec(Name, Loc, Records) {}
};
return I == Defs.end() ? 0 : I->second;
}
void addClass(Record *R) {
- assert(getClass(R->getNameInitAsString()) == 0 && "Class already exists!");
- Classes.insert(std::make_pair(R->getNameInitAsString(), R));
+ bool Ins = Classes.insert(std::make_pair(R->getName(), R)).second;
+ (void)Ins;
+ assert(Ins && "Class already exists");
}
void addDef(Record *R) {
- assert(getDef(R->getNameInitAsString()) == 0 && "Def already exists!");
- Defs.insert(std::make_pair(R->getNameInitAsString(), R));
+ bool Ins = Defs.insert(std::make_pair(R->getName(), R)).second;
+ (void)Ins;
+ assert(Ins && "Record already exists");
}
/// removeClass - Remove, but do not delete, the specified record.
}
};
+/// LessRecordByID - Sorting predicate to sort record pointers by their
+/// unique ID. If you just need a deterministic order, use this, since it
+/// just compares two `unsigned`; the other sorting predicates require
+/// string manipulation.
+struct LessRecordByID {
+ bool operator()(const Record *LHS, const Record *RHS) const {
+ return LHS->getID() < RHS->getID();
+ }
+};
+
/// LessRecordFieldName - Sorting predicate to sort record pointers by their
/// name field.
///
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