#include "llvm/GlobalVariable.h"
#include "llvm/GlobalAlias.h"
#include "llvm/Metadata.h"
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/System/DataTypes.h"
#include <vector>
namespace llvm {
class FunctionType;
+class GVMaterializer;
class LLVMContext;
class MDSymbolTable;
static GlobalAlias *createSentinel();
static void destroySentinel(GlobalAlias *GA) { delete GA; }
};
+
template<> struct ilist_traits<NamedMDNode>
: public SymbolTableListTraits<NamedMDNode, Module> {
// createSentinel is used to get hold of a node that marks the end of
NamedMDNode *provideInitialHead() const { return createSentinel(); }
NamedMDNode *ensureHead(NamedMDNode*) const { return createSentinel(); }
static void noteHead(NamedMDNode*, NamedMDNode*) {}
+ void addNodeToList(NamedMDNode *N);
+ void removeNodeFromList(NamedMDNode *N);
private:
mutable ilist_node<NamedMDNode> Sentinel;
};
std::string GlobalScopeAsm; ///< Inline Asm at global scope.
ValueSymbolTable *ValSymTab; ///< Symbol table for values
TypeSymbolTable *TypeSymTab; ///< Symbol table for types
+ OwningPtr<GVMaterializer> Materializer; ///< Used to materialize GlobalValues
std::string ModuleID; ///< Human readable identifier for the module
std::string TargetTriple; ///< Platform target triple Module compiled on
std::string DataLayout; ///< Target data description
/// Set the module-scope inline assembly blocks.
void setModuleInlineAsm(StringRef Asm) { GlobalScopeAsm = Asm; }
- /// Append to the module-scope inline assembly blocks, automatically
- /// appending a newline to the end.
+ /// Append to the module-scope inline assembly blocks, automatically inserting
+ /// a separating newline if necessary.
void appendModuleInlineAsm(StringRef Asm) {
+ if (!GlobalScopeAsm.empty() &&
+ GlobalScopeAsm[GlobalScopeAsm.size()-1] != '\n')
+ GlobalScopeAsm += '\n';
GlobalScopeAsm += Asm;
- GlobalScopeAsm += '\n';
}
/// @}
/// NamedMDNode with the specified name is not found.
NamedMDNode *getOrInsertNamedMetadata(StringRef Name);
- /// addMDNodeName - Insert an entry in the NamedMDNode symbol table mapping
- /// Name to NMD.
- void addMDNodeName(StringRef Name, NamedMDNode *NMD);
-
/// @}
/// @name Type Accessors
/// @{
/// null if there is none by that name.
const Type *getTypeByName(StringRef Name) const;
+/// @}
+/// @name Materialization
+/// @{
+
+ /// setMaterializer - Sets the GVMaterializer to GVM. This module must not
+ /// yet have a Materializer. To reset the materializer for a module that
+ /// already has one, call MaterializeAllPermanently first. Destroying this
+ /// module will destroy its materializer without materializing any more
+ /// GlobalValues. Without destroying the Module, there is no way to detach or
+ /// destroy a materializer without materializing all the GVs it controls, to
+ /// avoid leaving orphan unmaterialized GVs.
+ void setMaterializer(GVMaterializer *GVM);
+ /// getMaterializer - Retrieves the GVMaterializer, if any, for this Module.
+ GVMaterializer *getMaterializer() const { return Materializer.get(); }
+
+ /// isMaterializable - True if the definition of GV has yet to be materialized
+ /// from the GVMaterializer.
+ bool isMaterializable(const GlobalValue *GV) const;
+ /// isDematerializable - Returns true if this GV was loaded from this Module's
+ /// GVMaterializer and the GVMaterializer knows how to dematerialize the GV.
+ bool isDematerializable(const GlobalValue *GV) const;
+
+ /// Materialize - Make sure the GlobalValue is fully read. If the module is
+ /// corrupt, this returns true and fills in the optional string with
+ /// information about the problem. If successful, this returns false.
+ bool Materialize(GlobalValue *GV, std::string *ErrInfo = 0);
+ /// Dematerialize - If the GlobalValue is read in, and if the GVMaterializer
+ /// supports it, release the memory for the function, and set it up to be
+ /// materialized lazily. If !isDematerializable(), this method is a noop.
+ void Dematerialize(GlobalValue *GV);
+
+ /// MaterializeAll - Make sure all GlobalValues in this Module are fully read.
+ /// If the module is corrupt, this returns true and fills in the optional
+ /// string with information about the problem. If successful, this returns
+ /// false.
+ bool MaterializeAll(std::string *ErrInfo = 0);
+
+ /// MaterializeAllPermanently - Make sure all GlobalValues in this Module are
+ /// fully read and clear the Materializer. If the module is corrupt, this
+ /// returns true, fills in the optional string with information about the
+ /// problem, and DOES NOT clear the old Materializer. If successful, this
+ /// returns false.
+ bool MaterializeAllPermanently(std::string *ErrInfo = 0);
+
/// @}
/// @name Direct access to the globals list, functions list, and symbol table
/// @{