class AssemblyAnnotationWriter;
class ValueHandleBase;
class LLVMContext;
+class MetadataContext;
//===----------------------------------------------------------------------===//
// Value Class
class Value {
const unsigned char SubclassID; // Subclass identifier (for isa/dyn_cast)
unsigned char HasValueHandle : 1; // Has a ValueHandle pointing to this?
+ unsigned char HasMetadata : 1; // Has a metadata attached to this ?
protected:
/// SubclassOptionalData - This member is similar to SubclassData, however it
/// is for holding information which may be used to aid optimization, but
friend class ValueSymbolTable; // Allow ValueSymbolTable to directly mod Name.
friend class SymbolTable; // Allow SymbolTable to directly poke Name.
friend class ValueHandleBase;
+ friend class MetadataContext;
+ friend class AbstractTypeUser;
ValueName *Name;
void operator=(const Value &); // Do not implement
Value(const Value &); // Do not implement
+protected:
+ /// printCustom - Value subclasses can override this to implement custom
+ /// printing behavior.
+ virtual void printCustom(raw_ostream &O) const;
+
public:
Value(const Type *Ty, unsigned scid);
virtual ~Value();
/// dump - Support for debugging, callable in GDB: V->dump()
//
- virtual void dump() const;
+ void dump() const;
/// print - Implement operator<< on Value.
///
const BasicBlock *PredBB) const{
return const_cast<Value*>(this)->DoPHITranslation(CurBB, PredBB);
}
+
+ /// hasMetadata - Return true if metadata is attached with this value.
+ bool hasMetadata() const { return HasMetadata; }
};
inline raw_ostream &operator<<(raw_ostream &OS, const Value &V) {