diff --git a/include/llvm/Module.h b/include/llvm/Module.h index 7eb34b68961..8ce5ec4f1d1 100644 --- a/include/llvm/Module.h +++ b/include/llvm/Module.h @@ -50,17 +50,35 @@ template<> struct ilist_traits private: mutable ilist_node Sentinel; }; + template<> struct ilist_traits : public SymbolTableListTraits { // createSentinel is used to create a node that marks the end of the list. - static GlobalVariable *createSentinel(); - static void destroySentinel(GlobalVariable *GV) { delete GV; } + GlobalVariable *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(GlobalVariable*) {} + + GlobalVariable *provideInitialHead() const { return createSentinel(); } + GlobalVariable *ensureHead(GlobalVariable*) const { return createSentinel(); } + static void noteHead(GlobalVariable*, GlobalVariable*) {} +private: + mutable ilist_node Sentinel; }; + template<> struct ilist_traits : public SymbolTableListTraits { // createSentinel is used to create a node that marks the end of the list. - static GlobalAlias *createSentinel(); - static void destroySentinel(GlobalAlias *GA) { delete GA; } + GlobalAlias *createSentinel() const { + return static_cast(&Sentinel); + } + static void destroySentinel(GlobalAlias*) {} + + GlobalAlias *provideInitialHead() const { return createSentinel(); } + GlobalAlias *ensureHead(GlobalAlias*) const { return createSentinel(); } + static void noteHead(GlobalAlias*, GlobalAlias*) {} +private: + mutable ilist_node Sentinel; }; template<> struct ilist_traits diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp index ee63d696d54..c29029bf6c0 100644 --- a/lib/VMCore/Module.cpp +++ b/lib/VMCore/Module.cpp @@ -32,25 +32,10 @@ using namespace llvm; // Methods to implement the globals and functions lists. // -GlobalVariable *ilist_traits::createSentinel() { - GlobalVariable *Ret = new GlobalVariable(Type::getInt32Ty(getGlobalContext()), - false, GlobalValue::ExternalLinkage); - // This should not be garbage monitored. - LeakDetector::removeGarbageObject(Ret); - return Ret; -} -GlobalAlias *ilist_traits::createSentinel() { - GlobalAlias *Ret = new GlobalAlias(Type::getInt32Ty(getGlobalContext()), - GlobalValue::ExternalLinkage); - // This should not be garbage monitored. - LeakDetector::removeGarbageObject(Ret); - return Ret; -} - // Explicit instantiations of SymbolTableListTraits since some of the methods // are not in the public header file. -template class llvm::SymbolTableListTraits; template class llvm::SymbolTableListTraits; +template class llvm::SymbolTableListTraits; template class llvm::SymbolTableListTraits; //===----------------------------------------------------------------------===// @@ -552,5 +537,3 @@ namespace { void Module::findUsedStructTypes(std::vector &StructTypes) const { TypeFinder(StructTypes).run(*this); } - -