: Value(Type::TypeTy, Value::TypeVal) {
setDescription(name);
ID = id;
- Abstract = false;
+ Abstract = Recursive = false;
UID = CurUID++; // Assign types UID's as they are created
UIDMappings.push_back(this);
}
if (isa<OpaqueType>(Ty))
return false; // Two nonequal opaque types are never equal
- if (Ty != Ty2) {
- map<const Type*, const Type*>::iterator I = EqTypes.find(Ty);
- if (I != EqTypes.end())
- return I->second == Ty2; // Looping back on a type, check for equality
+ map<const Type*, const Type*>::iterator It = EqTypes.find(Ty);
+ if (It != EqTypes.end())
+ return It->second == Ty2; // Looping back on a type, check for equality
- // Otherwise, add the mapping to the table to make sure we don't get
- // recursion on the types...
- EqTypes.insert(make_pair(Ty, Ty2));
- }
+ // Otherwise, add the mapping to the table to make sure we don't get
+ // recursion on the types...
+ EqTypes.insert(make_pair(Ty, Ty2));
// Iterate over the types and make sure the the contents are equivalent...
Type::subtype_iterator I = Ty ->subtype_begin(), IE = Ty ->subtype_end();
return false;
}
-
return I == IE && I2 == IE2; // Types equal if both iterators are done
}
// corrected.
//
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy) {
- if (OldTy == NewTy) return;
+ if (OldTy == NewTy) {
+ if (!OldTy->isAbstract()) {
+ // Check to see if the type just became concrete.
+ // If so, remove self from user list.
+ for (MapTy::iterator I = Map.begin(), E = Map.end(); I != E; ++I)
+ if (I->second == OldTy)
+ I->second.removeUserFromConcrete();
+ }
+ return;
+ }
#ifdef DEBUG_MERGE_TYPES
cerr << "Removing Old type from Tab: " << (void*)OldTy << ", "
<< OldTy->getDescription() << " replacement == " << (void*)NewTy
// Subclass should override this... to update self as usual
virtual void doRefinement(const DerivedType *OldTy, const Type *NewTy) = 0;
+
+ // typeBecameConcrete - This callback occurs when a contained type refines
+ // to itself, but becomes concrete in the process. Our subclass should remove
+ // itself from the ATU list of the specified type.
+ //
+ virtual void typeBecameConcrete(const DerivedType *Ty) = 0;
virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy) {
- if (OldTy == NewTy) return;
+ if (OldTy == NewTy) {
+ if (!OldTy->isAbstract())
+ typeBecameConcrete(OldTy);
+ return;
+ }
TypeMap<ValType, TypeClass> &Table = MyTable; // Copy MyTable reference
ValType Tmp(*(ValType*)this); // Copy this.
PATypeHandle<TypeClass> OldType(Table.get(*(ValType*)this), this);
Table.remove(*(ValType*)this); // Destroy's this!
-
+#if 1
// Refine temporary to new state...
Tmp.doRefinement(OldTy, NewTy);
Table.add((ValType&)Tmp, (TypeClass*)OldType.get());
+#endif
}
};
if (ArgTypes[i] == OldType) ArgTypes[i] = NewType;
}
+ virtual void typeBecameConcrete(const DerivedType *Ty) {
+ if (RetTy == Ty) RetTy.removeUserFromConcrete();
+
+ for (unsigned i = 0; i < ArgTypes.size(); ++i)
+ if (ArgTypes[i] == Ty) ArgTypes[i].removeUserFromConcrete();
+ }
+
inline bool operator<(const MethodValType &MTV) const {
if (RetTy.get() < MTV.RetTy.get()) return true;
if (RetTy.get() > MTV.RetTy.get()) return false;
if (ValTy == OldType) ValTy = NewType;
}
+ virtual void typeBecameConcrete(const DerivedType *Ty) {
+ assert(ValTy == Ty &&
+ "Contained type became concrete but we're not using it!");
+ ValTy.removeUserFromConcrete();
+ }
+
inline bool operator<(const ArrayValType &MTV) const {
if (Size < MTV.Size) return true;
return Size == MTV.Size && ValTy.get() < MTV.ValTy.get();
if (ElTypes[i] == OldType) ElTypes[i] = NewType;
}
+ virtual void typeBecameConcrete(const DerivedType *Ty) {
+ for (unsigned i = 0; i < ElTypes.size(); ++i)
+ if (ElTypes[i] == Ty) ElTypes[i].removeUserFromConcrete();
+ }
+
inline bool operator<(const StructValType &STV) const {
return ElTypes < STV.ElTypes;
}
if (ValTy == OldType) ValTy = NewType;
}
+ virtual void typeBecameConcrete(const DerivedType *Ty) {
+ assert(ValTy == Ty &&
+ "Contained type became concrete but we're not using it!");
+ ValTy.removeUserFromConcrete();
+ }
+
inline bool operator<(const PointerValType &MTV) const {
return ValTy.get() < MTV.ValTy.get();
}
AbstractTypeUsers.erase(AbstractTypeUsers.begin()+i-1);
#ifdef DEBUG_MERGE_TYPES
- cerr << " removeAbstractTypeUser[" << (void*)this << ", "
- << getDescription() << "][" << AbstractTypeUsers.size()
- << "] User = " << U << endl;
+ cerr << " removeAbstractTypeUser<" << (void*)this << ", "
+ << getDescription() << ">[" << i << "] User = " << U << endl;
#endif
- if (AbstractTypeUsers.empty()) {
+ if (AbstractTypeUsers.empty() && isAbstract()) {
#ifdef DEBUG_MERGE_TYPES
- cerr << "DELETEing unused abstract type: " << getDescription()
- << " " << (void*)this << endl;
+ cerr << "DELETEing unused abstract type: <" << getDescription()
+ << ">[" << (void*)this << "]" << endl;
#endif
delete this; // No users of this abstract type!
}
return;
}
}
- assert(isAbstract() && "removeAbstractTypeUser: Type not abstract!");
assert(0 && "AbstractTypeUser not in user list!");
}
#endif
User->refineAbstractType(this, NewTy);
+ if (AbstractTypeUsers.size() == OldSize) {
+ User->refineAbstractType(this, NewTy);
+ }
assert(AbstractTypeUsers.size() != OldSize &&
"AbsTyUser did not remove self from user list!");
}
//
void DerivedType::typeIsRefined() {
assert(isRefining >= 0 && isRefining <= 2 && "isRefining out of bounds!");
- if (isRefining == 2) return; // Kill recursion here...
+ if (isRefining == 1) return; // Kill recursion here...
++isRefining;
#ifdef DEBUG_MERGE_TYPES
ATU->refineAbstractType(this, this);
// If the user didn't remove itself from the list, continue...
- if (AbstractTypeUsers.size() > i && AbstractTypeUsers[i] == ATU)
+ if (AbstractTypeUsers.size() > i && AbstractTypeUsers[i] == ATU) {
++i;
+ }
}
--isRefining;
+
+#ifndef _NDEBUG
+ if (!(isAbstract() || AbstractTypeUsers.empty()))
+ for (unsigned i = 0; i < AbstractTypeUsers.size(); ++i) {
+ if (AbstractTypeUsers[i] != this) {
+ // Debugging hook
+ cerr << "FOUND FAILURE\n";
+ AbstractTypeUsers[i]->refineAbstractType(this, this);
+ assert(0 && "Type became concrete,"
+ " but it still has abstract type users hanging around!");
+ }
+ }
+#endif
}
<< NewType->getDescription() << "])\n";
#endif
- if (OldType == ResultType) {
- ResultType = NewType;
- } else {
- unsigned i;
- for (i = 0; i < ParamTys.size(); ++i)
- if (OldType == ParamTys[i]) {
- ParamTys[i] = NewType;
- break;
- }
- assert(i != ParamTys.size() && "Did not contain oldtype!");
+ if (!OldType->isAbstract()) {
+ if (ResultType == OldType) ResultType.removeUserFromConcrete();
+ for (unsigned i = 0; i < ParamTys.size(); ++i)
+ if (ParamTys[i] == OldType) ParamTys[i].removeUserFromConcrete();
}
+ if (OldType != NewType) {
+ if (ResultType == OldType) ResultType = NewType;
- // Notify everyone that I have changed!
- if (const MethodType *MTy = MethodTypes.containsEquivalent(this)) {
-#ifndef _NDEBUG
- // Calculate accurate name for debugging purposes
- vector<const Type *> TypeStack;
- bool isAbstract = false, isRecursive = false;
- setDescription(getTypeProps(this, TypeStack, isAbstract, isRecursive));
-#endif
+ for (unsigned i = 0; i < ParamTys.size(); ++i)
+ if (ParamTys[i] == OldType) ParamTys[i] = NewType;
+ }
-#ifdef DEBUG_MERGE_TYPES
- cerr << "Type " << (void*)this << " equilivant to existing " << (void*)MTy
- << " - destroying!\n";
-#endif
- refineAbstractTypeTo(MTy); // Different type altogether...
- return;
+ const MethodType *MT = MethodTypes.containsEquivalent(this);
+ if (MT && MT != this) {
+ refineAbstractTypeTo(MT); // Different type altogether...
+ } else {
+ setDerivedTypeProperties(); // Update the name and isAbstract
+ typeIsRefined(); // Same type, different contents...
}
- setDerivedTypeProperties(); // Update the name and isAbstract
- typeIsRefined();
}
<< OldType->getDescription() << "], " << (void*)NewType << " ["
<< NewType->getDescription() << "])\n";
#endif
- assert(OldType == ElementType && "Cannot refine from OldType!");
- ElementType = NewType;
- // Notify everyone that I have changed!
- if (const ArrayType *ATy = ArrayTypes.containsEquivalent(this)) {
-#ifndef _NDEBUG
- // Calculate accurate name for debugging purposes
- vector<const Type *> TypeStack;
- bool isAbstract = false, isRecursive = false;
- setDescription(getTypeProps(this, TypeStack, isAbstract, isRecursive));
-#endif
+ if (!OldType->isAbstract()) {
+ assert(ElementType == OldType);
+ ElementType.removeUserFromConcrete();
+ }
-#ifdef DEBUG_MERGE_TYPES
- cerr << "Type " << (void*)this << " equilivant to existing " << (void*)ATy
- << " - destroying!\n";
-#endif
- refineAbstractTypeTo(ATy); // Different type altogether...
- return;
+ ElementType = NewType;
+ const ArrayType *AT = ArrayTypes.containsEquivalent(this);
+ if (AT && AT != this) {
+ refineAbstractTypeTo(AT); // Different type altogether...
+ } else {
+ setDerivedTypeProperties(); // Update the name and isAbstract
+ typeIsRefined(); // Same type, different contents...
}
- setDerivedTypeProperties(); // Update the name and isAbstract
- typeIsRefined(); // Same type, different contents...
}
<< OldType->getDescription() << "], " << (void*)NewType << " ["
<< NewType->getDescription() << "])\n";
#endif
-
- if (OldType != NewType) {
- unsigned i;
- for (i = 0; i < ETypes.size(); ++i)
- if (OldType == ETypes[i]) {
- ETypes[i] = NewType;
- break;
- }
- assert(i != ETypes.size() && "Did not contain oldtype!");
+ if (!OldType->isAbstract()) {
+ for (unsigned i = 0; i < ETypes.size(); ++i)
+ if (ETypes[i] == OldType)
+ ETypes[i].removeUserFromConcrete();
}
- vector<const Type *> ElTypes(
- map_iterator(ETypes.begin(), mem_fun_ref(&PATypeHandle<Type>::get)),
- map_iterator(ETypes.end() , mem_fun_ref(&PATypeHandle<Type>::get)));
-
-
- // Notify everyone that I have changed!
- if (const StructType *STy = StructTypes.containsEquivalent(this)) {
-#ifndef _NDEBUG
- // Calculate accurate name for debugging purposes
- vector<const Type *> TypeStack;
- bool isAbstract = false, isRecursive = false;
- setDescription(getTypeProps(this, TypeStack, isAbstract, isRecursive));
-#endif
-
-#ifdef DEBUG_MERGE_TYPES
- cerr << "Type " << (void*)this << " equilivant to existing " << (void*)STy
- << " - destroying!\n";
-#endif
- refineAbstractTypeTo(STy); // Different type altogether...
- return;
+ if (OldType != NewType) {
+ // Update old type to new type in the array...
+ for (unsigned i = 0; i < ETypes.size(); ++i)
+ if (ETypes[i] == OldType)
+ ETypes[i] = NewType;
+ }
+
+ const StructType *ST = StructTypes.containsEquivalent(this);
+ if (ST && ST != this) {
+ refineAbstractTypeTo(ST); // Different type altogether...
+ } else {
+ setDerivedTypeProperties(); // Update the name and isAbstract
+ typeIsRefined(); // Same type, different contents...
}
- setDerivedTypeProperties(); // Update the name and isAbstract
- typeIsRefined(); // Same type, different contents...
}
// refineAbstractType - Called when a contained type is found to be more
<< OldType->getDescription() << "], " << (void*)NewType << " ["
<< NewType->getDescription() << "])\n";
#endif
- assert(OldType == ValueType && "Cannot refine from OldType!");
- ValueType = NewType;
- // Notify everyone that I have changed!
- if (const PointerType *PTy = PointerTypes.containsEquivalent(this)) {
-#ifndef _NDEBUG
- // Calculate accurate name for debugging purposes
- vector<const Type *> TypeStack;
- bool isAbstract = false, isRecursive = false;
- setDescription(getTypeProps(this, TypeStack, isAbstract, isRecursive));
-#endif
+ if (!OldType->isAbstract()) {
+ assert(ValueType == OldType);
+ ValueType.removeUserFromConcrete();
+ }
-#ifdef DEBUG_MERGE_TYPES
- cerr << "Type " << (void*)this << " equilivant to existing " << (void*)PTy
- << " - destroying!\n";
-#endif
- refineAbstractTypeTo(PTy); // Different type altogether...
- return;
+ ValueType = NewType;
+ const PointerType *PT = PointerTypes.containsEquivalent(this);
+
+ if (PT && PT != this) {
+ refineAbstractTypeTo(PT); // Different type altogether...
+ } else {
+ setDerivedTypeProperties(); // Update the name and isAbstract
+ typeIsRefined(); // Same type, different contents...
}
- setDerivedTypeProperties(); // Update the name and isAbstract
- typeIsRefined(); // Same type, different contents...
}
projects / oota-llvm.git / blobdiff