#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
-#include "llvm/Support/Allocator.h"
-#include "llvm/Support/SourceMgr.h"
+#include "llvm/ADT/PointerIntPair.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SMLoc.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
namespace llvm {
-class raw_ostream;
-// RecTy subclasses.
-class BitRecTy;
-class BitsRecTy;
-class IntRecTy;
-class StringRecTy;
class ListRecTy;
-class CodeRecTy;
-class DagRecTy;
-class RecordRecTy;
-
-// Init subclasses.
-class Init;
-class UnsetInit;
-class BitInit;
-class BitsInit;
-class IntInit;
-class StringInit;
-class CodeInit;
-class ListInit;
-class UnOpInit;
-class BinOpInit;
-class TernOpInit;
-class DefInit;
-class DagInit;
-class TypedInit;
-class VarInit;
-class FieldInit;
-class VarBitInit;
-class VarListElementInit;
-
-// Other classes.
+struct MultiClass;
class Record;
class RecordVal;
-struct MultiClass;
class RecordKeeper;
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
class RecTy {
- ListRecTy *ListTy;
public:
- RecTy() : ListTy(0) {}
+ /// \brief Subclass discriminator (for dyn_cast<> et al.)
+ enum RecTyKind {
+ BitRecTyKind,
+ BitsRecTyKind,
+ IntRecTyKind,
+ StringRecTyKind,
+ ListRecTyKind,
+ DagRecTyKind,
+ RecordRecTyKind
+ };
+
+private:
+ RecTyKind Kind;
+ std::unique_ptr<ListRecTy> ListTy;
+
+public:
+ RecTyKind getRecTyKind() const { return Kind; }
+
+ RecTy(RecTyKind K) : Kind(K) {}
virtual ~RecTy() {}
virtual std::string getAsString() const = 0;
/// typeIsConvertibleTo - Return true if all values of 'this' type can be
/// converted to the specified type.
- virtual bool typeIsConvertibleTo(const RecTy *RHS) const = 0;
+ virtual bool typeIsConvertibleTo(const RecTy *RHS) const;
/// getListTy - Returns the type representing list<this>.
ListRecTy *getListTy();
-
-public: // These methods should only be called from subclasses of Init
- virtual Init *convertValue( UnsetInit *UI) { return 0; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) {
- return convertValue((TypedInit*)UI);
- }
- virtual Init *convertValue( BinOpInit *UI) {
- return convertValue((TypedInit*)UI);
- }
- virtual Init *convertValue( TernOpInit *UI) {
- return convertValue((TypedInit*)UI);
- }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *TI) { return 0; }
- virtual Init *convertValue( VarInit *VI) {
- return convertValue((TypedInit*)VI);
- }
- virtual Init *convertValue( FieldInit *FI) {
- return convertValue((TypedInit*)FI);
- }
-
-public: // These methods should only be called by subclasses of RecTy.
- // baseClassOf - These virtual methods should be overloaded to return true iff
- // all values of type 'RHS' can be converted to the 'this' type.
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
inline raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
return OS;
}
-
/// BitRecTy - 'bit' - Represent a single bit
///
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( BitInit *BI) { return (Init*)BI; }
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II);
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return (Init*)VB; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const { return "bit"; }
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
- virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const;
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ std::string getAsString() const override { return "bit"; }
+ bool typeIsConvertibleTo(const RecTy *RHS) const override;
};
-
-// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
-/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
+/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
///
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( UnsetInit *UI);
- virtual Init *convertValue( BitInit *UI);
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II);
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const;
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
- virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const {
- return RHS->Size == Size;
- }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ std::string getAsString() const override;
+ bool typeIsConvertibleTo(const RecTy *RHS) const override;
};
-
/// IntRecTy - 'int' - Represent an integer value of no particular size
///
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( BitInit *BI);
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II) { return (Init*)II; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const { return "int"; }
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
-
- virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ std::string getAsString() const override { return "int"; }
+ bool typeIsConvertibleTo(const RecTy *RHS) const override;
};
/// StringRecTy - 'string' - Represent an string value
///
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( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return (Init*)SI; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( UnOpInit *BO);
- virtual Init *convertValue( BinOpInit *BO);
- virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
-
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const { return "string"; }
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
-
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ std::string getAsString() const override;
};
-// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
-// the specified type.
-/// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must
-/// be of the specified type.
+/// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
+/// the specified type.
///
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( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI);
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const;
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
-
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const {
- return RHS->getElementType()->typeIsConvertibleTo(Ty);
- }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
-};
+ std::string getAsString() const override;
-/// CodeRecTy - 'code' - Represent an code fragment, function or method.
-///
-class CodeRecTy : public RecTy {
- static CodeRecTy Shared;
- CodeRecTy() {}
-public:
- static CodeRecTy *get() { return &Shared; }
-
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return (Init*)CI; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const { return "code"; }
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ bool typeIsConvertibleTo(const RecTy *RHS) const override;
};
/// DagRecTy - 'dag' - Represent a dag fragment
///
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( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *BO);
- virtual Init *convertValue( BinOpInit *BO);
- virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
- virtual Init *convertValue( DagInit *CI) { return (Init*)CI; }
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const { return "dag"; }
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
-
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+ std::string getAsString() const override;
};
-
/// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
/// (R32 X = EAX).
///
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( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( DefInit *DI);
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *VI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- std::string getAsString() const;
-
- bool typeIsConvertibleTo(const RecTy *RHS) const {
- return RHS->baseClassOf(this);
- }
- virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
- virtual bool baseClassOf(const RecordRecTy *RHS) const;
+ std::string getAsString() const override;
+
+ bool typeIsConvertibleTo(const RecTy *RHS) const override;
};
/// resolveTypes - Find a common type that T1 and T2 convert to.
//===----------------------------------------------------------------------===//
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_FirstTypedInit,
+ IK_BitsInit,
+ 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 &) = delete;
+ Init &operator=(const Init &) = delete;
+ 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.
void dump() const;
- /// convertInitializerTo - This virtual function is a simple call-back
- /// function that should be overridden to call the appropriate
- /// RecTy::convertValue method.
- ///
+ /// convertInitializerTo - This virtual function converts to the appropriate
+ /// Init based on the passed in type.
virtual Init *convertInitializerTo(RecTy *Ty) const = 0;
/// convertInitializerBitRange - This method is used to implement the bitrange
///
virtual Init *
convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
- return 0;
+ return nullptr;
}
/// convertInitListSlice - This method is used to implement the list slice
///
virtual Init *
convertInitListSlice(const std::vector<unsigned> &Elements) const {
- return 0;
+ return nullptr;
}
/// getFieldType - This method is used to implement the FieldInit class.
/// Implementors of this method should return the type of the named field if
/// they are of record type.
///
- virtual RecTy *getFieldType(const std::string &FieldName) const { return 0; }
+ virtual RecTy *getFieldType(const std::string &FieldName) const {
+ return nullptr;
+ }
/// getFieldInit - This method complements getFieldType to return the
/// initializer for the specified field. If getFieldType returns non-null
///
virtual Init *getFieldInit(Record &R, const RecordVal *RV,
const std::string &FieldName) const {
- return 0;
+ return nullptr;
}
/// resolveReferences - This method is used by classes that refer to other
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) = delete;
+ TypedInit &operator=(const TypedInit &Other) = delete;
protected:
- explicit TypedInit(RecTy *T) : Ty(T) {}
+ explicit TypedInit(InitKind K, RecTy *T) : Init(K), Ty(T) {}
+ ~TypedInit() {
+ // If this is a DefInit we need to delete the RecordRecTy.
+ if (getKind() == IK_DefInit)
+ delete Ty;
+ }
public:
+ static bool classof(const Init *I) {
+ return I->getKind() >= IK_FirstTypedInit &&
+ I->getKind() <= IK_LastTypedInit;
+ }
RecTy *getType() const { return Ty; }
- virtual Init *
- convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
- virtual Init *
- convertInitListSlice(const std::vector<unsigned> &Elements) const;
+ Init *convertInitializerTo(RecTy *Ty) const override;
+
+ Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
+ Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const override;
/// getFieldType - This method is used to implement the FieldInit class.
/// Implementors of this method should return the type of the named field if
/// they are of record type.
///
- 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;
+ RecTy *getFieldType(const std::string &FieldName) const override;
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
unsigned Elt) const = 0;
};
-
/// 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 &) = delete;
+ UnsetInit &operator=(const UnsetInit &Other) = delete;
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));
+ Init *convertInitializerTo(RecTy *Ty) const override;
+
+ Init *getBit(unsigned Bit) const override {
+ return const_cast<UnsetInit*>(this);
}
- virtual bool isComplete() const { return false; }
- virtual std::string getAsString() const { return "?"; }
+ bool isComplete() const override { return false; }
+ std::string getAsString() const override { return "?"; }
};
-
/// BitInit - true/false - Represent a concrete initializer for a bit.
///
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) = delete;
+ BitInit &operator=(BitInit &Other) = delete;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BitInit;
+ }
static BitInit *get(bool V);
bool getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<BitInit *>(this));
+ Init *convertInitializerTo(RecTy *Ty) const override;
+
+ Init *getBit(unsigned Bit) const override {
+ assert(Bit < 1 && "Bit index out of range!");
+ return const_cast<BitInit*>(this);
}
- virtual std::string getAsString() const { return Value ? "1" : "0"; }
+ std::string getAsString() const override { return Value ? "1" : "0"; }
};
/// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
/// It contains a vector of bits, whose size is determined by the type.
///
-class BitsInit : public Init, public FoldingSetNode {
+class BitsInit : public TypedInit, public FoldingSetNode {
std::vector<Init*> Bits;
- BitsInit(ArrayRef<Init *> Range) : Bits(Range.begin(), Range.end()) {}
+ BitsInit(ArrayRef<Init *> Range)
+ : TypedInit(IK_BitsInit, BitsRecTy::get(Range.size())),
+ Bits(Range.begin(), Range.end()) {}
- BitsInit(const BitsInit &Other); // Do not define.
- BitsInit &operator=(const BitsInit &Other); // Do not define.
+ BitsInit(const BitsInit &Other) = delete;
+ BitsInit &operator=(const BitsInit &Other) = delete;
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 Init *
- convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+ Init *convertInitializerTo(RecTy *Ty) const override;
+ Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
- virtual bool isComplete() const {
+ bool isComplete() const override {
for (unsigned i = 0; i != getNumBits(); ++i)
if (!getBit(i)->isComplete()) return false;
return true;
if (getBit(i)->isComplete()) return false;
return true;
}
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) 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.
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override {
+ llvm_unreachable("Illegal element reference off bits<n>");
+ }
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
+
+ Init *getBit(unsigned Bit) const override {
+ assert(Bit < Bits.size() && "Bit index out of range!");
+ return Bits[Bit];
+ }
+};
-/// IntInit - 7 - Represent an initalization by a literal integer value.
+/// IntInit - 7 - Represent an initialization by a literal integer value.
///
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) = delete;
+ IntInit &operator=(const IntInit &Other) = delete;
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 Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<IntInit *>(this));
- }
- virtual Init *
- convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+ Init *convertInitializerTo(RecTy *Ty) const override;
+ Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const override;
- 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 {
- assert(0 && "Illegal bit reference off int");
- return 0;
- }
+ std::string getAsString() const override;
/// 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 {
- assert(0 && "Illegal element reference off int");
- return 0;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override {
+ llvm_unreachable("Illegal element reference off int");
}
-};
+ Init *getBit(unsigned Bit) const override {
+ return BitInit::get((Value & (1ULL << Bit)) != 0);
+ }
+};
/// StringInit - "foo" - Represent an initialization by a string value.
///
class StringInit : public TypedInit {
std::string Value;
- explicit StringInit(const std::string &V)
- : TypedInit(StringRecTy::get()), Value(V) {}
+ explicit StringInit(StringRef 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) = delete;
+ StringInit &operator=(const StringInit &Other) = delete;
public:
- static StringInit *get(const std::string &V);
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_StringInit;
+ }
+ static StringInit *get(StringRef);
const std::string &getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<StringInit *>(this));
- }
-
- virtual std::string getAsString() const { return "\"" + Value + "\""; }
- virtual std::string getAsUnquotedString() const { return Value; }
+ Init *convertInitializerTo(RecTy *Ty) const override;
- /// 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 {
- assert(0 && "Illegal bit reference off string");
- return 0;
- }
+ std::string getAsString() const override { return "\"" + Value + "\""; }
+ std::string getAsUnquotedString() const override { return Value; }
/// 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 {
- assert(0 && "Illegal element reference off string");
- return 0;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override {
+ llvm_unreachable("Illegal element reference off string");
}
-};
-
-/// CodeInit - "[{...}]" - Represent a code fragment.
-///
-class CodeInit : public Init {
- std::string Value;
-
- explicit CodeInit(const std::string &V) : Value(V) {}
-
- CodeInit(const CodeInit &Other); // Do not define.
- CodeInit &operator=(const CodeInit &Other); // Do not define.
-
-public:
- static CodeInit *get(const std::string &V);
- const std::string &getValue() const { return Value; }
-
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<CodeInit *>(this));
+ Init *getBit(unsigned Bit) const override {
+ llvm_unreachable("Illegal bit reference off string");
}
-
- virtual std::string getAsString() const { return "[{" + Value + "}]"; }
};
/// ListInit - [AL, AH, CL] - Represent a list of defs
///
class ListInit : public TypedInit, public FoldingSetNode {
std::vector<Init*> Values;
+
public:
typedef std::vector<Init*>::const_iterator const_iterator;
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) = delete;
+ ListInit &operator=(const ListInit &Other) = delete;
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;
- unsigned getSize() const { return Values.size(); }
Init *getElement(unsigned i) const {
assert(i < Values.size() && "List element index out of range!");
return Values[i];
Record *getElementAsRecord(unsigned i) const;
- Init *convertInitListSlice(const std::vector<unsigned> &Elements) const;
+ Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const override;
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<ListInit *>(this));
- }
+ Init *convertInitializerTo(RecTy *Ty) const override;
/// resolveReferences - This method is used by classes that refer to other
/// variables which may not be defined at the time they expression is formed.
/// If a value is set for the variable later, this method will be called on
/// users of the value to allow the value to propagate out.
///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
ArrayRef<Init*> getValues() const { return Values; }
- inline const_iterator begin() const { return Values.begin(); }
- inline const_iterator end () const { return Values.end(); }
+ const_iterator begin() const { return Values.begin(); }
+ const_iterator end () const { return Values.end(); }
- 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 {
- assert(0 && "Illegal bit reference off list");
- return 0;
- }
+ size_t size () const { return Values.size(); }
+ bool empty() const { return Values.empty(); }
/// 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;
-};
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override;
+ Init *getBit(unsigned Bit) const override {
+ 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) = delete;
+ OpInit &operator=(OpInit &Other) = delete;
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;
- virtual int getNumOperands() const = 0;
- virtual Init *getOperand(int i) const = 0;
+ virtual unsigned getNumOperands() const = 0;
+ virtual Init *getOperand(unsigned i) const = 0;
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<OpInit *>(this));
- }
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override;
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) const;
+ Init *getBit(unsigned Bit) const override;
};
-
/// UnOpInit - !op (X) - Transform an init.
///
class UnOpInit : public OpInit {
public:
enum UnaryOp { CAST, HEAD, TAIL, EMPTY };
+
private:
UnaryOp Opc;
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) = delete;
+ UnOpInit &operator=(const UnOpInit &Other) = delete;
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
- virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ OpInit *clone(std::vector<Init *> &Operands) const override {
assert(Operands.size() == 1 &&
"Wrong number of operands for unary operation");
return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
}
- int getNumOperands() const { return 1; }
- Init *getOperand(int i) const {
+ unsigned getNumOperands() const override { return 1; }
+ Init *getOperand(unsigned i) const override {
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;
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
};
/// BinOpInit - !op (X, Y) - Combine two inits.
///
class BinOpInit : public OpInit {
public:
- enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, EQ };
+ enum BinaryOp { ADD, AND, SHL, SRA, SRL, LISTCONCAT, STRCONCAT, CONCAT, EQ };
+
private:
BinaryOp Opc;
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) = delete;
+ BinOpInit &operator=(const BinOpInit &Other) = delete;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BinOpInit;
+ }
static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
RecTy *Type);
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ OpInit *clone(std::vector<Init *> &Operands) const override {
assert(Operands.size() == 2 &&
"Wrong number of operands for binary operation");
return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
}
- int getNumOperands() const { return 2; }
- Init *getOperand(int i) const {
- assert((i == 0 || i == 1) && "Invalid operand id for binary operator");
- if (i == 0) {
- return getLHS();
- } else {
- return getRHS();
+ unsigned getNumOperands() const override { return 2; }
+ Init *getOperand(unsigned i) const override {
+ switch (i) {
+ default: llvm_unreachable("Invalid operand id for binary operator");
+ case 0: return getLHS();
+ case 1: return getRHS();
}
}
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
};
/// TernOpInit - !op (X, Y, Z) - Combine two inits.
class TernOpInit : public OpInit {
public:
enum TernaryOp { SUBST, FOREACH, IF };
+
private:
TernaryOp Opc;
Init *LHS, *MHS, *RHS;
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) = delete;
+ TernOpInit &operator=(const TernOpInit &Other) = delete;
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);
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) const {
+ OpInit *clone(std::vector<Init *> &Operands) const override {
assert(Operands.size() == 3 &&
"Wrong number of operands for ternary operation");
return TernOpInit::get(getOpcode(), Operands[0], Operands[1], Operands[2],
getType());
}
- int getNumOperands() const { return 3; }
- Init *getOperand(int i) const {
- assert((i == 0 || i == 1 || i == 2) &&
- "Invalid operand id for ternary operator");
- if (i == 0) {
- return getLHS();
- } else if (i == 1) {
- return getMHS();
- } else {
- return getRHS();
+ unsigned getNumOperands() const override { return 3; }
+ Init *getOperand(unsigned i) const override {
+ switch (i) {
+ default: llvm_unreachable("Invalid operand id for ternary operator");
+ case 0: return getLHS();
+ case 1: return getMHS();
+ case 2: return getRHS();
}
}
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+ Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const override;
- virtual bool isComplete() const { return false; }
+ bool isComplete() const override { return false; }
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
};
-
/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
///
class VarInit : public TypedInit {
Init *VarName;
- explicit VarInit(const std::string &VN, RecTy *T)
- : TypedInit(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) = delete;
+ VarInit &operator=(const VarInit &Other) = delete;
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);
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<VarInit *>(this));
- }
-
const std::string &getName() const;
Init *getNameInit() const { return VarName; }
std::string getNameInitAsString() const {
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;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override;
- virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual Init *getFieldInit(Record &R, const RecordVal *RV,
- const std::string &FieldName) const;
+ RecTy *getFieldType(const std::string &FieldName) const override;
+ Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const override;
/// resolveReferences - This method is used by classes that refer to other
/// variables which may not be defined at the time they expression is formed.
/// If a value is set for the variable later, this method will be called on
/// users of the value to allow the value to propagate out.
///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const { return getName(); }
-};
+ Init *getBit(unsigned Bit) const override;
+ std::string getAsString() const override { return getName(); }
+};
/// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
///
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) = delete;
+ VarBitInit &operator=(const VarBitInit &Other) = delete;
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));
- }
+ Init *convertInitializerTo(RecTy *Ty) const override;
- TypedInit *getVariable() const { return TI; }
- unsigned getBitNum() const { return Bit; }
+ Init *getBitVar() const override { return TI; }
+ unsigned getBitNum() const override { return Bit; }
+
+ std::string getAsString() const override;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *getBit(unsigned B) const override {
+ 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) = delete;
+ void operator=(const VarListElementInit &Other) = delete;
public:
- static VarListElementInit *get(TypedInit *T, unsigned E);
-
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<VarListElementInit *>(this));
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarListElementInit;
}
+ static VarListElementInit *get(TypedInit *T, unsigned E);
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 Init *resolveListElementReference(Record &R,
- const RecordVal *RV,
- unsigned Elt) const;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override;
+
+ std::string getAsString() const override;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *getBit(unsigned Bit) const override;
};
/// 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) = delete;
+ DefInit &operator=(const DefInit &Other) = delete;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_DefInit;
+ }
static DefInit *get(Record*);
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<DefInit *>(this));
- }
+ Init *convertInitializerTo(RecTy *Ty) const override;
Record *getDef() const { return Def; }
//virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
- virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual Init *getFieldInit(Record &R, const RecordVal *RV,
- const std::string &FieldName) const;
+ RecTy *getFieldType(const std::string &FieldName) const override;
+ Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
- /// 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 {
- assert(0 && "Illegal bit reference off def");
- return 0;
+ Init *getBit(unsigned Bit) const override {
+ llvm_unreachable("Illegal bit reference off def");
}
/// 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 {
- assert(0 && "Illegal element reference off def");
- return 0;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override {
+ llvm_unreachable("Illegal element reference off def");
}
};
-
/// FieldInit - X.Y - Represent a reference to a subfield of a variable
///
class FieldInit : public TypedInit {
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) = delete;
+ FieldInit &operator=(const FieldInit &Other) = delete;
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);
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<FieldInit *>(this));
- }
+ Init *getBit(unsigned Bit) const override;
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) const;
- virtual Init *resolveListElementReference(Record &R,
- const RecordVal *RV,
- unsigned Elt) const;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const {
+ std::string getAsString() const override {
return Rec->getAsString() + "." + FieldName;
}
};
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) = delete;
+ DagInit &operator=(const DagInit &Other) = delete;
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);
void Profile(FoldingSetNodeID &ID) const;
- virtual Init *convertInitializerTo(RecTy *Ty) const {
- return Ty->convertValue(const_cast<DagInit *>(this));
- }
+ Init *convertInitializerTo(RecTy *Ty) const override;
Init *getOperator() const { return Val; }
return ArgNames[Num];
}
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) const;
+ Init *resolveReferences(Record &R, const RecordVal *RV) const override;
- virtual std::string getAsString() const;
+ std::string getAsString() const override;
typedef std::vector<Init*>::const_iterator const_arg_iterator;
typedef std::vector<std::string>::const_iterator const_name_iterator;
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 {
- assert(0 && "Illegal bit reference off dag");
- return 0;
+ Init *getBit(unsigned Bit) const override {
+ llvm_unreachable("Illegal bit reference off dag");
}
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) const {
- assert(0 && "Illegal element reference off dag");
- return 0;
+ Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const override {
+ llvm_unreachable("Illegal element reference off dag");
}
};
//===----------------------------------------------------------------------===//
class RecordVal {
- Init *Name;
+ PointerIntPair<Init *, 1, bool> NameAndPrefix;
RecTy *Ty;
- unsigned Prefix;
Init *Value;
+
public:
- RecordVal(Init *N, RecTy *T, unsigned P);
- RecordVal(const std::string &N, RecTy *T, unsigned P);
+ RecordVal(Init *N, RecTy *T, bool P);
+ RecordVal(const std::string &N, RecTy *T, bool P);
const std::string &getName() const;
- const Init *getNameInit() const { return Name; }
+ const Init *getNameInit() const { return NameAndPrefix.getPointer(); }
std::string getNameInitAsString() const {
return getNameInit()->getAsUnquotedString();
}
- unsigned getPrefix() const { return Prefix; }
+ bool getPrefix() const { return NameAndPrefix.getInt(); }
RecTy *getType() const { return Ty; }
Init *getValue() const { return Value; }
bool setValue(Init *V) {
if (V) {
Value = V->convertInitializerTo(Ty);
- return Value == 0;
+ return Value == nullptr;
}
- Value = 0;
+ Value = nullptr;
return false;
}
// 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;
+ std::vector<Record *> SuperClasses;
+ std::vector<SMRange> SuperClassRanges;
// Tracks Record instances. Not owned by Record.
RecordKeeper &TrackedRecords;
- DefInit *TheInit;
+ std::unique_ptr<DefInit> TheInit;
+ bool IsAnonymous;
+
+ // Class-instance values can be used by other defs. For example, Struct<i>
+ // is used here as a template argument to another class:
+ //
+ // multiclass MultiClass<int i> {
+ // def Def : Class<Struct<i>>;
+ //
+ // These need to get fully resolved before instantiating any other
+ // definitions that use them (e.g. Def). However, inside a multiclass they
+ // can't be immediately resolved so we mark them ResolveFirst to fully
+ // resolve them later as soon as the multiclass is instantiated.
+ bool ResolveFirst;
void init();
void checkName();
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) {}
- ~Record() {}
-
+ explicit Record(Init *N, ArrayRef<SMLoc> locs, RecordKeeper &records,
+ bool Anonymous = false) :
+ ID(LastID++), Name(N), Locs(locs.begin(), locs.end()),
+ TrackedRecords(records), IsAnonymous(Anonymous), ResolveFirst(false) {
+ init();
+ }
+ explicit Record(const std::string &N, ArrayRef<SMLoc> locs,
+ RecordKeeper &records, bool Anonymous = false)
+ : Record(StringInit::get(N), locs, records, Anonymous) {}
+
+
+ // When copy-constructing a Record, we must still guarantee a globally unique
+ // ID number. Don't copy TheInit either since it's owned by the original
+ // record. 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),
+ SuperClassRanges(O.SuperClassRanges), TrackedRecords(O.TrackedRecords),
+ IsAnonymous(O.IsAnonymous),
+ ResolveFirst(O.ResolveFirst) { }
static unsigned getNewUID() { return LastID++; }
-
unsigned getID() const { return ID; }
const std::string &getName() const;
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();
- const std::vector<Init *> &getTemplateArgs() const {
+ ArrayRef<Init *> getTemplateArgs() const {
return TemplateArgs;
}
- const std::vector<RecordVal> &getValues() const { return Values; }
- const std::vector<Record*> &getSuperClasses() const { return SuperClasses; }
+ ArrayRef<RecordVal> getValues() const { return Values; }
+ ArrayRef<Record *> getSuperClasses() const { return SuperClasses; }
+ ArrayRef<SMRange> getSuperClassRanges() const { return SuperClassRanges; }
bool isTemplateArg(Init *Name) const {
- for (unsigned i = 0, e = TemplateArgs.size(); i != e; ++i)
- if (TemplateArgs[i] == Name) return true;
+ for (Init *TA : TemplateArgs)
+ if (TA == Name) return true;
return false;
}
bool isTemplateArg(StringRef Name) const {
- return isTemplateArg(StringInit::get(Name.str()));
+ return isTemplateArg(StringInit::get(Name));
}
+ const RecordVal *getValue(const Init *Name) const {
+ for (const RecordVal &Val : Values)
+ if (Val.getNameInit() == Name) return &Val;
+ return nullptr;
+ }
const RecordVal *getValue(StringRef Name) const {
- for (unsigned i = 0, e = Values.size(); i != e; ++i)
- if (Values[i].getName() == Name) return &Values[i];
- return 0;
+ return getValue(StringInit::get(Name));
+ }
+ RecordVal *getValue(const Init *Name) {
+ for (RecordVal &Val : Values)
+ if (Val.getNameInit() == Name) return &Val;
+ return nullptr;
}
RecordVal *getValue(StringRef Name) {
- for (unsigned i = 0, e = Values.size(); i != e; ++i)
- if (Values[i].getName() == Name) return &Values[i];
- return 0;
+ return getValue(StringInit::get(Name));
}
- const RecordVal *getValue(Init *Name) const;
- RecordVal *getValue(Init *Name);
-
void addTemplateArg(Init *Name) {
assert(!isTemplateArg(Name) && "Template arg already defined!");
TemplateArgs.push_back(Name);
}
void addTemplateArg(StringRef Name) {
- addTemplateArg(StringInit::get(Name.str()));
+ addTemplateArg(StringInit::get(Name));
}
void addValue(const RecordVal &RV) {
- assert(getValue(RV.getName()) == 0 && "Value already added!");
+ assert(getValue(RV.getNameInit()) == nullptr && "Value already added!");
Values.push_back(RV);
+ if (Values.size() > 1)
+ // Keep NAME at the end of the list. It makes record dumps a
+ // bit prettier and allows TableGen tests to be written more
+ // naturally. Tests can use CHECK-NEXT to look for Record
+ // fields they expect to see after a def. They can't do that if
+ // NAME is the first Record field.
+ std::swap(Values[Values.size() - 2], Values[Values.size() - 1]);
}
void removeValue(Init *Name) {
Values.erase(Values.begin()+i);
return;
}
- assert(0 && "Cannot remove an entry that does not exist!");
+ llvm_unreachable("Cannot remove an entry that does not exist!");
}
void removeValue(StringRef Name) {
- removeValue(StringInit::get(Name.str()));
+ removeValue(StringInit::get(Name));
}
bool isSubClassOf(const Record *R) const {
- for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
- if (SuperClasses[i] == R)
+ for (const Record *SC : SuperClasses)
+ if (SC == R)
return true;
return false;
}
bool isSubClassOf(StringRef Name) const {
- for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
- if (SuperClasses[i]->getNameInitAsString() == Name)
+ for (const Record *SC : SuperClasses)
+ if (SC->getNameInitAsString() == Name)
return true;
return false;
}
- void addSuperClass(Record *R) {
+ void addSuperClass(Record *R, SMRange Range) {
assert(!isSubClassOf(R) && "Already subclassing record!");
SuperClasses.push_back(R);
+ SuperClassRanges.push_back(Range);
}
/// resolveReferences - If there are any field references that refer to fields
/// that have been filled in, we can propagate the values now.
///
- void resolveReferences() { resolveReferencesTo(0); }
+ void resolveReferences() { resolveReferencesTo(nullptr); }
/// resolveReferencesTo - If anything in this record refers to RV, replace the
/// reference to RV with the RHS of RV. If RV is null, we resolve all
return TrackedRecords;
}
+ bool isAnonymous() const {
+ return IsAnonymous;
+ }
+
+ bool isResolveFirst() const {
+ return ResolveFirst;
+ }
+
+ void setResolveFirst(bool b) {
+ ResolveFirst = b;
+ }
+
void dump() const;
//===--------------------------------------------------------------------===//
///
Init *getValueInit(StringRef FieldName) const;
+ /// Return true if the named field is unset.
+ bool isValueUnset(StringRef FieldName) const {
+ return isa<UnsetInit>(getValueInit(FieldName));
+ }
+
/// getValueAsString - This method looks up the specified field and returns
/// its value as a string, throwing an exception if the field does not exist
/// or if the value is not a string.
///
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
+ /// returns 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.
/// the value is not the right type.
///
DagInit *getValueAsDag(StringRef FieldName) const;
-
- /// getValueAsCode - This method looks up the specified field and returns
- /// its value as the string data in a CodeInit, throwing an exception if the
- /// field does not exist or if the value is not a code object.
- ///
- std::string getValueAsCode(StringRef FieldName) const;
};
raw_ostream &operator<<(raw_ostream &OS, const Record &R);
struct MultiClass {
Record Rec; // Placeholder for template args and Name.
- typedef std::vector<Record*> RecordVector;
+ typedef std::vector<std::unique_ptr<Record>> RecordVector;
RecordVector DefPrototypes;
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) {}
};
class RecordKeeper {
- std::map<std::string, Record*> Classes, Defs;
-public:
- ~RecordKeeper() {
- for (std::map<std::string, Record*>::iterator I = Classes.begin(),
- E = Classes.end(); I != E; ++I)
- delete I->second;
- for (std::map<std::string, Record*>::iterator I = Defs.begin(),
- E = Defs.end(); I != E; ++I)
- delete I->second;
- }
+ typedef std::map<std::string, std::unique_ptr<Record>> RecordMap;
+ RecordMap Classes, Defs;
- const std::map<std::string, Record*> &getClasses() const { return Classes; }
- const std::map<std::string, Record*> &getDefs() const { return Defs; }
+public:
+ const RecordMap &getClasses() const { return Classes; }
+ const RecordMap &getDefs() const { return Defs; }
Record *getClass(const std::string &Name) const {
- std::map<std::string, Record*>::const_iterator I = Classes.find(Name);
- return I == Classes.end() ? 0 : I->second;
+ auto I = Classes.find(Name);
+ return I == Classes.end() ? nullptr : I->second.get();
}
Record *getDef(const std::string &Name) const {
- std::map<std::string, Record*>::const_iterator I = Defs.find(Name);
- return I == Defs.end() ? 0 : I->second;
+ auto I = Defs.find(Name);
+ return I == Defs.end() ? nullptr : I->second.get();
}
- void addClass(Record *R) {
- assert(getClass(R->getNameInitAsString()) == 0 && "Class already exists!");
- Classes.insert(std::make_pair(R->getNameInitAsString(), R));
+ void addClass(std::unique_ptr<Record> R) {
+ bool Ins = Classes.insert(std::make_pair(R->getName(),
+ std::move(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));
- }
-
- /// removeClass - Remove, but do not delete, the specified record.
- ///
- void removeClass(const std::string &Name) {
- assert(Classes.count(Name) && "Class does not exist!");
- Classes.erase(Name);
- }
- /// removeDef - Remove, but do not delete, the specified record.
- ///
- void removeDef(const std::string &Name) {
- assert(Defs.count(Name) && "Def does not exist!");
- Defs.erase(Name);
+ void addDef(std::unique_ptr<Record> R) {
+ bool Ins = Defs.insert(std::make_pair(R->getName(),
+ std::move(R))).second;
+ (void)Ins;
+ assert(Ins && "Record already exists");
}
//===--------------------------------------------------------------------===//
}
};
+/// 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.
///
}
};
+struct LessRecordRegister {
+ static bool ascii_isdigit(char x) { return x >= '0' && x <= '9'; }
+
+ struct RecordParts {
+ SmallVector<std::pair< bool, StringRef>, 4> Parts;
+
+ RecordParts(StringRef Rec) {
+ if (Rec.empty())
+ return;
+
+ size_t Len = 0;
+ const char *Start = Rec.data();
+ const char *Curr = Start;
+ bool isDigitPart = ascii_isdigit(Curr[0]);
+ for (size_t I = 0, E = Rec.size(); I != E; ++I, ++Len) {
+ bool isDigit = ascii_isdigit(Curr[I]);
+ if (isDigit != isDigitPart) {
+ Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
+ Len = 0;
+ Start = &Curr[I];
+ isDigitPart = ascii_isdigit(Curr[I]);
+ }
+ }
+ // Push the last part.
+ Parts.push_back(std::make_pair(isDigitPart, StringRef(Start, Len)));
+ }
+
+ size_t size() { return Parts.size(); }
+
+ std::pair<bool, StringRef> getPart(size_t i) {
+ assert (i < Parts.size() && "Invalid idx!");
+ return Parts[i];
+ }
+ };
+
+ bool operator()(const Record *Rec1, const Record *Rec2) const {
+ RecordParts LHSParts(StringRef(Rec1->getName()));
+ RecordParts RHSParts(StringRef(Rec2->getName()));
+
+ size_t LHSNumParts = LHSParts.size();
+ size_t RHSNumParts = RHSParts.size();
+ assert (LHSNumParts && RHSNumParts && "Expected at least one part!");
+
+ if (LHSNumParts != RHSNumParts)
+ return LHSNumParts < RHSNumParts;
+
+ // We expect the registers to be of the form [_a-zA-z]+([0-9]*[_a-zA-Z]*)*.
+ for (size_t I = 0, E = LHSNumParts; I < E; I+=2) {
+ std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
+ std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
+ // Expect even part to always be alpha.
+ assert (LHSPart.first == false && RHSPart.first == false &&
+ "Expected both parts to be alpha.");
+ if (int Res = LHSPart.second.compare(RHSPart.second))
+ return Res < 0;
+ }
+ for (size_t I = 1, E = LHSNumParts; I < E; I+=2) {
+ std::pair<bool, StringRef> LHSPart = LHSParts.getPart(I);
+ std::pair<bool, StringRef> RHSPart = RHSParts.getPart(I);
+ // Expect odd part to always be numeric.
+ assert (LHSPart.first == true && RHSPart.first == true &&
+ "Expected both parts to be numeric.");
+ if (LHSPart.second.size() != RHSPart.second.size())
+ return LHSPart.second.size() < RHSPart.second.size();
+
+ unsigned LHSVal, RHSVal;
+
+ bool LHSFailed = LHSPart.second.getAsInteger(10, LHSVal); (void)LHSFailed;
+ assert(!LHSFailed && "Unable to convert LHS to integer.");
+ bool RHSFailed = RHSPart.second.getAsInteger(10, RHSVal); (void)RHSFailed;
+ assert(!RHSFailed && "Unable to convert RHS to integer.");
+
+ if (LHSVal != RHSVal)
+ return LHSVal < RHSVal;
+ }
+ return LHSNumParts < RHSNumParts;
+ }
+};
+
raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
/// QualifyName - Return an Init with a qualifier prefix referring
projects / oota-llvm.git / blobdiff