private:
mutable ilist_node<Function> Sentinel;
};
+
template<> struct ilist_traits<GlobalVariable>
: public SymbolTableListTraits<GlobalVariable, Module> {
// 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<GlobalVariable*>(&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<GlobalVariable> Sentinel;
};
+
template<> struct ilist_traits<GlobalAlias>
: public SymbolTableListTraits<GlobalAlias, Module> {
// 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<GlobalAlias*>(&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<GlobalAlias> Sentinel;
};
template<> struct ilist_traits<NamedMDNode>
/// An enumeration for describing the size of a pointer on the target machine.
enum PointerSize { AnyPointerSize, Pointer32, Pointer64 };
+ /// An enumeration for the supported behaviors of module flags. The following
+ /// module flags behavior values are supported:
+ ///
+ /// Value Behavior
+ /// ----- --------
+ /// 1 Error
+ /// Emits an error if two values disagree.
+ ///
+ /// 2 Warning
+ /// Emits a warning if two values disagree.
+ ///
+ /// 3 Require
+ /// Emits an error when the specified value is not present
+ /// or doesn't have the specified value. It is an error for
+ /// two (or more) llvm.module.flags with the same ID to have
+ /// the Require behavior but different values. There may be
+ /// multiple Require flags per ID.
+ ///
+ /// 4 Override
+ /// Uses the specified value if the two values disagree. It
+ /// is an error for two (or more) llvm.module.flags with the
+ /// same ID to have the Override behavior but different
+ /// values.
+ enum ModFlagBehavior { Error = 1, Warning = 2, Require = 3, Override = 4 };
+
+ struct ModuleFlagEntry {
+ ModFlagBehavior Behavior;
+ MDString *Key;
+ Value *Val;
+ ModuleFlagEntry(ModFlagBehavior B, MDString *K, Value *V)
+ : Behavior(B), Key(K), Val(V) {}
+ };
+
/// @}
/// @name Member Variables
/// @{
/// the existing function.
/// 4. Finally, the function exists but has the wrong prototype: return the
/// function with a constantexpr cast to the right prototype.
- Constant *getOrInsertFunction(StringRef Name, const FunctionType *T,
+ Constant *getOrInsertFunction(StringRef Name, FunctionType *T,
AttrListPtr AttributeList);
- Constant *getOrInsertFunction(StringRef Name, const FunctionType *T);
+ Constant *getOrInsertFunction(StringRef Name, FunctionType *T);
/// getOrInsertFunction - Look up the specified function in the module symbol
/// table. If it does not exist, add a prototype for the function and return
/// clients to use.
Constant *getOrInsertFunction(StringRef Name,
AttrListPtr AttributeList,
- const Type *RetTy, ...) END_WITH_NULL;
+ Type *RetTy, ...) END_WITH_NULL;
/// getOrInsertFunction - Same as above, but without the attributes.
- Constant *getOrInsertFunction(StringRef Name, const Type *RetTy, ...)
+ Constant *getOrInsertFunction(StringRef Name, Type *RetTy, ...)
END_WITH_NULL;
Constant *getOrInsertTargetIntrinsic(StringRef Name,
- const FunctionType *Ty,
+ FunctionType *Ty,
AttrListPtr AttributeList);
/// getFunction - Look up the specified function in the module symbol table.
/// with a constantexpr cast to the right type.
/// 3. Finally, if the existing global is the correct declaration, return
/// the existing global.
- Constant *getOrInsertGlobal(StringRef Name, const Type *Ty);
+ Constant *getOrInsertGlobal(StringRef Name, Type *Ty);
/// @}
/// @name Global Alias Accessors
/// and delete it.
void eraseNamedMetadata(NamedMDNode *NMD);
+/// @}
+/// @name Module Flags Accessors
+/// @{
+
+ /// getModuleFlagsMetadata - Returns the module flags in the provided vector.
+ void getModuleFlagsMetadata(SmallVectorImpl<ModuleFlagEntry> &Flags) const;
+
+ /// getModuleFlagsMetadata - Returns the NamedMDNode in the module that
+ /// represents module-level flags. This method returns null if there are no
+ /// module-level flags.
+ NamedMDNode *getModuleFlagsMetadata() const;
+
+ /// getOrInsertModuleFlagsMetadata - Returns the NamedMDNode in the module
+ /// that represents module-level flags. If module-level flags aren't found,
+ /// it creates the named metadata that contains them.
+ NamedMDNode *getOrInsertModuleFlagsMetadata();
+
+ /// addModuleFlag - Add a module-level flag to the module-level flags
+ /// metadata. It will create the module-level flags named metadata if it
+ /// doesn't already exist.
+ void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, Value *Val);
+ void addModuleFlag(ModFlagBehavior Behavior, StringRef Key, uint32_t Val);
+ void addModuleFlag(MDNode *Node);
+
/// @}
/// @name Materialization
/// @{
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