assert(0 && "You can't GV->destroyConstant()!");
abort();
}
-
+
+/// copyAttributesFrom - copy all additional attributes (those not needed to
+/// create a GlobalValue) from the GlobalValue Src to this one.
+void GlobalValue::copyAttributesFrom(const GlobalValue *Src) {
+ setAlignment(Src->getAlignment());
+ setSection(Src->getSection());
+ setVisibility(Src->getVisibility());
+}
+
+
//===----------------------------------------------------------------------===//
// GlobalVariable Implementation
//===----------------------------------------------------------------------===//
Module *ParentModule, bool ThreadLocal,
unsigned AddressSpace)
: GlobalValue(PointerType::get(Ty, AddressSpace), Value::GlobalVariableVal,
- &Initializer, InitVal != 0, Link, Name),
+ OperandTraits<GlobalVariable>::op_begin(this),
+ InitVal != 0, Link, Name),
isConstantGlobal(constant), isThreadLocalSymbol(ThreadLocal) {
if (InitVal) {
assert(InitVal->getType() == Ty &&
"Initializer should be the same type as the GlobalVariable!");
- Initializer.init(InitVal, this);
- } else {
- Initializer.init(0, this);
+ Op<0>() = InitVal;
}
LeakDetector::addGarbageObject(this);
GlobalVariable *Before, bool ThreadLocal,
unsigned AddressSpace)
: GlobalValue(PointerType::get(Ty, AddressSpace), Value::GlobalVariableVal,
- &Initializer, InitVal != 0, Link, Name),
+ OperandTraits<GlobalVariable>::op_begin(this),
+ InitVal != 0, Link, Name),
isConstantGlobal(constant), isThreadLocalSymbol(ThreadLocal) {
if (InitVal) {
assert(InitVal->getType() == Ty &&
"Initializer should be the same type as the GlobalVariable!");
- Initializer.init(InitVal, this);
- } else {
- Initializer.init(0, this);
+ Op<0>() = InitVal;
}
LeakDetector::addGarbageObject(this);
this->setOperand(0, cast<Constant>(To));
}
+/// copyAttributesFrom - copy all additional attributes (those not needed to
+/// create a GlobalVariable) from the GlobalVariable Src to this one.
+void GlobalVariable::copyAttributesFrom(const GlobalValue *Src) {
+ assert(isa<GlobalVariable>(Src) && "Expected a GlobalVariable!");
+ GlobalValue::copyAttributesFrom(Src);
+ const GlobalVariable *SrcVar = cast<GlobalVariable>(Src);
+ setThreadLocal(SrcVar->isThreadLocal());
+}
+
+
//===----------------------------------------------------------------------===//
// GlobalAlias Implementation
//===----------------------------------------------------------------------===//
GlobalAlias::GlobalAlias(const Type *Ty, LinkageTypes Link,
const std::string &Name, Constant* aliasee,
Module *ParentModule)
- : GlobalValue(Ty, Value::GlobalAliasVal, &Aliasee, 1, Link, Name) {
+ : GlobalValue(Ty, Value::GlobalAliasVal, &Op<0>(), 1, Link, Name) {
LeakDetector::addGarbageObject(this);
if (aliasee)
assert(aliasee->getType() == Ty && "Alias and aliasee types should match!");
- Aliasee.init(aliasee, this);
+ Op<0>() = aliasee;
if (ParentModule)
ParentModule->getAliasList().push_back(this);
return 0;
}
-const GlobalValue *GlobalAlias::resolveAliasedGlobal() const {
- SmallPtrSet<const GlobalValue*, 1> Visited;
+const GlobalValue *GlobalAlias::resolveAliasedGlobal(bool stopOnWeak) const {
+ SmallPtrSet<const GlobalValue*, 3> Visited;
+
+ // Check if we need to stop early.
+ if (stopOnWeak && hasWeakLinkage())
+ return this;
const GlobalValue *GV = getAliasedGlobal();
Visited.insert(GV);
+ // Iterate over aliasing chain, stopping on weak alias if necessary.
while (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) {
+ if (stopOnWeak && GA->hasWeakLinkage())
+ break;
+
GV = GA->getAliasedGlobal();
if (!Visited.insert(GV))