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-rw-r--r--include/llvm/Module.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/llvm/Module.h b/include/llvm/Module.h
index 8dfb508..901fada 100644
--- a/include/llvm/Module.h
+++ b/include/llvm/Module.h
@@ -19,12 +19,14 @@
#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;
@@ -145,6 +147,7 @@ private:
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
@@ -347,6 +350,50 @@ public:
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
/// @{