//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "llvm/GlobalAlias.h"
#include "llvm/DerivedTypes.h"
#include "llvm/Module.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/LeakDetector.h"
using namespace llvm;
GlobalVariable::GlobalVariable(const Type *Ty, bool constant, LinkageTypes Link,
Constant *InitVal, const std::string &Name,
- Module *ParentModule, bool ThreadLocal)
- : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal,
- &Initializer, InitVal != 0, Link, Name),
+ Module *ParentModule, bool ThreadLocal,
+ unsigned AddressSpace)
+ : GlobalValue(PointerType::get(Ty, AddressSpace), Value::GlobalVariableVal,
+ 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>().init(InitVal, this);
}
LeakDetector::addGarbageObject(this);
GlobalVariable::GlobalVariable(const Type *Ty, bool constant, LinkageTypes Link,
Constant *InitVal, const std::string &Name,
- GlobalVariable *Before, bool ThreadLocal)
- : GlobalValue(PointerType::get(Ty), Value::GlobalVariableVal,
- &Initializer, InitVal != 0, Link, Name),
+ GlobalVariable *Before, bool ThreadLocal,
+ unsigned AddressSpace)
+ : GlobalValue(PointerType::get(Ty, AddressSpace), Value::GlobalVariableVal,
+ 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>().init(InitVal, this);
}
LeakDetector::addGarbageObject(this);
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>().init(aliasee, this);
if (ParentModule)
ParentModule->getAliasList().push_back(this);
return 0;
}
+const GlobalValue *GlobalAlias::resolveAliasedGlobal() const {
+ SmallPtrSet<const GlobalValue*, 3> Visited;
+
+ const GlobalValue *GV = getAliasedGlobal();
+ Visited.insert(GV);
+
+ while (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV)) {
+ GV = GA->getAliasedGlobal();
+
+ if (!Visited.insert(GV))
+ return NULL;
+ }
+
+ return GV;
+}