X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FGlobalVariable.h;h=27a2ea7fb9f7289d98769127bfe4a29ec1c0d9dd;hb=3183951d88680d6077dbb7a4b0daf84124434f45;hp=442e0c0e1b203e65f6b97ec674deb89e106a2b29;hpb=7a2bdde0a0eebcd2125055e0eacaca040f0b766c;p=oota-llvm.git diff --git a/include/llvm/GlobalVariable.h b/include/llvm/GlobalVariable.h index 442e0c0e1b2..27a2ea7fb9f 100644 --- a/include/llvm/GlobalVariable.h +++ b/include/llvm/GlobalVariable.h @@ -34,31 +34,42 @@ template class GlobalVariable : public GlobalValue, public ilist_node { friend class SymbolTableListTraits; - void *operator new(size_t, unsigned); // Do not implement - void operator=(const GlobalVariable &); // Do not implement - GlobalVariable(const GlobalVariable &); // Do not implement + void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION; + void operator=(const GlobalVariable &) LLVM_DELETED_FUNCTION; + GlobalVariable(const GlobalVariable &) LLVM_DELETED_FUNCTION; void setParent(Module *parent); bool isConstantGlobal : 1; // Is this a global constant? - bool isThreadLocalSymbol : 1; // Is this symbol "Thread Local"? + unsigned threadLocalMode : 3; // Is this symbol "Thread Local", + // if so, what is the desired model? public: // allocate space for exactly one operand void *operator new(size_t s) { return User::operator new(s, 1); } + + enum ThreadLocalMode { + NotThreadLocal = 0, + GeneralDynamicTLSModel, + LocalDynamicTLSModel, + InitialExecTLSModel, + LocalExecTLSModel + }; + /// GlobalVariable ctor - If a parent module is specified, the global is /// automatically inserted into the end of the specified modules global list. - GlobalVariable(const Type *Ty, bool isConstant, LinkageTypes Linkage, + GlobalVariable(Type *Ty, bool isConstant, LinkageTypes Linkage, Constant *Initializer = 0, const Twine &Name = "", - bool ThreadLocal = false, unsigned AddressSpace = 0); + ThreadLocalMode = NotThreadLocal, unsigned AddressSpace = 0); /// GlobalVariable ctor - This creates a global and inserts it before the /// specified other global. - GlobalVariable(Module &M, const Type *Ty, bool isConstant, + GlobalVariable(Module &M, Type *Ty, bool isConstant, LinkageTypes Linkage, Constant *Initializer, - const Twine &Name, - GlobalVariable *InsertBefore = 0, bool ThreadLocal = false, + const Twine &Name = "", + GlobalVariable *InsertBefore = 0, + ThreadLocalMode = NotThreadLocal, unsigned AddressSpace = 0); ~GlobalVariable() { @@ -68,11 +79,6 @@ public: /// Provide fast operand accessors DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Value); - /// isDeclaration - Is this global variable lacking an initializer? If so, - /// the global variable is defined in some other translation unit, and is thus - /// only a declaration here. - virtual bool isDeclaration() const { return getNumOperands() == 0; } - /// hasInitializer - Unless a global variable isExternal(), it has an /// initializer. The initializer for the global variable/constant is held by /// Initializer if an initializer is specified. @@ -119,7 +125,7 @@ public: /// illegal to call this method if the global is external, because we cannot /// tell what the value is initialized to! /// - inline /*const FIXME*/ Constant *getInitializer() const { + inline const Constant *getInitializer() const { assert(hasInitializer() && "GV doesn't have initializer!"); return static_cast(Op<0>().get()); } @@ -140,8 +146,14 @@ public: void setConstant(bool Val) { isConstantGlobal = Val; } /// If the value is "Thread Local", its value isn't shared by the threads. - bool isThreadLocal() const { return isThreadLocalSymbol; } - void setThreadLocal(bool Val) { isThreadLocalSymbol = Val; } + bool isThreadLocal() const { return threadLocalMode != NotThreadLocal; } + void setThreadLocal(bool Val) { + threadLocalMode = Val ? GeneralDynamicTLSModel : NotThreadLocal; + } + void setThreadLocalMode(ThreadLocalMode Val) { threadLocalMode = Val; } + ThreadLocalMode getThreadLocalMode() const { + return static_cast(threadLocalMode); + } /// copyAttributesFrom - copy all additional attributes (those not needed to /// create a GlobalVariable) from the GlobalVariable Src to this one.