#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;
template<> struct ilist_traits<Function>
: public SymbolTableListTraits<Function, Module> {
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;
};
/// @name Member Variables
/// @{
private:
- LLVMContext &Context; ///< The LLVMContext from which types and
- ///< constants are allocated.
- GlobalListType GlobalList; ///< The Global Variables in the module
- FunctionListType FunctionList; ///< The Functions in the module
- AliasListType AliasList; ///< The Aliases in the module
- LibraryListType LibraryList; ///< The Libraries needed by the module
- NamedMDListType NamedMDList; ///< The named metadata in the module
- std::string GlobalScopeAsm; ///< Inline Asm at global scope.
- ValueSymbolTable *ValSymTab; ///< Symbol table for values
- TypeSymbolTable *TypeSymTab; ///< Symbol table for types
- std::string ModuleID; ///< Human readable identifier for the module
- std::string TargetTriple; ///< Platform target triple Module compiled on
- std::string DataLayout; ///< Target data description
+ LLVMContext &Context; ///< The LLVMContext from which types and
+ ///< constants are allocated.
+ GlobalListType GlobalList; ///< The Global Variables in the module
+ FunctionListType FunctionList; ///< The Functions in the module
+ AliasListType AliasList; ///< The Aliases in the module
+ LibraryListType LibraryList; ///< The Libraries needed by the module
+ NamedMDListType NamedMDList; ///< The named metadata in the module
+ 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
+ MDSymbolTable *NamedMDSymTab; ///< NamedMDNode names.
friend class Constant;
/// Get the global data context.
/// @returns LLVMContext - a container for LLVM's global information
- LLVMContext& getContext() const { return Context; }
+ LLVMContext &getContext() const { return Context; }
/// Get any module-scope inline assembly blocks.
/// @returns a string containing the module-scope inline assembly blocks.
const std::string &getModuleInlineAsm() const { return GlobalScopeAsm; }
-
+
/// @}
/// @name Module Level Mutators
/// @{
-
+
/// Set the module identifier.
void setModuleIdentifier(StringRef ID) { ModuleID = ID; }
/// 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';
}
/// @}
/// if a global with the specified name is not found.
GlobalValue *getNamedValue(StringRef Name) const;
+ /// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+ /// This ID is uniqued across modules in the current LLVMContext.
+ unsigned getMDKindID(StringRef Name) const;
+
+ /// getMDKindNames - Populate client supplied SmallVector with the name for
+ /// custom metadata IDs registered in this LLVMContext. ID #0 is not used,
+ /// so it is filled in as an empty string.
+ void getMDKindNames(SmallVectorImpl<StringRef> &Result) const;
+
/// @}
/// @name Function Accessors
/// @{
Constant *getOrInsertTargetIntrinsic(StringRef Name,
const FunctionType *Ty,
AttrListPtr AttributeList);
-
+
/// getFunction - Look up the specified function in the module symbol table.
/// If it does not exist, return null.
Function *getFunction(StringRef Name) const;
/// @}
/// @name Named Metadata Accessors
/// @{
-
+
/// getNamedMetadata - Return the first NamedMDNode in the module with the
- /// specified name. This method returns null if a NamedMDNode with the
+ /// specified name. This method returns null if a NamedMDNode with the
/// specified name is not found.
- NamedMDNode *getNamedMetadata(StringRef Name) const;
+ NamedMDNode *getNamedMetadata(const Twine &Name) const;
- /// getOrInsertNamedMetadata - Return the first named MDNode in the module
- /// with the specified name. This method returns a new NamedMDNode if a
+ /// getOrInsertNamedMetadata - Return the first named MDNode in the module
+ /// with the specified name. This method returns a new NamedMDNode if a
/// NamedMDNode with the specified name is not found.
NamedMDNode *getOrInsertNamedMetadata(StringRef Name);
/// 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
/// @{
const TypeSymbolTable &getTypeSymbolTable() const { return *TypeSymTab; }
/// Get the Module's symbol table of types
TypeSymbolTable &getTypeSymbolTable() { return *TypeSymTab; }
+ /// Get the symbol table of named metadata
+ const MDSymbolTable &getMDSymbolTable() const { return *NamedMDSymTab; }
+ /// Get the Module's symbol table of named metadata
+ MDSymbolTable &getMDSymbolTable() { return *NamedMDSymTab; }
/// @}
/// @name Global Variable Iteration
const_named_metadata_iterator named_metadata_begin() const {
return NamedMDList.begin();
}
-
+
/// Get an iterator to the last named metadata.
named_metadata_iterator named_metadata_end() { return NamedMDList.end(); }
/// Get a constant iterator to the last named metadata.
const_named_metadata_iterator named_metadata_end() const {
return NamedMDList.end();
}
-
- /// Determine how many NamedMDNodes are in the Module's list of named metadata.
+
+ /// Determine how many NamedMDNodes are in the Module's list of named
+ /// metadata.
size_t named_metadata_size() const { return NamedMDList.size(); }
/// Determine if the list of named metadata is empty.
bool named_metadata_empty() const { return NamedMDList.empty(); }
/// Print the module to an output stream with AssemblyAnnotationWriter.
void print(raw_ostream &OS, AssemblyAnnotationWriter *AAW) const;
-
+
/// Dump the module to stderr (for debugging).
void dump() const;
/// This function causes all the subinstructions to "let go" of all references
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