#include "llvm/InstrTypes.h"
#include "llvm/Constants.h"
#include "llvm/DerivedTypes.h"
+#include "llvm/GVMaterializer.h"
#include "llvm/LLVMContext.h"
+#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/LeakDetector.h"
//===----------------------------------------------------------------------===//
// Methods to implement the globals and functions lists.
-// NOTE: It is ok to allocate the globals used for these methods from the
-// global context, because all we ever do is use them to compare for equality.
//
GlobalVariable *ilist_traits<GlobalVariable>::createSentinel() {
- GlobalVariable *Ret = new GlobalVariable(getGlobalContext(),
- Type::Int32Ty, false,
- GlobalValue::ExternalLinkage);
+ GlobalVariable *Ret = new GlobalVariable(Type::getInt32Ty(getGlobalContext()),
+ false, GlobalValue::ExternalLinkage);
// This should not be garbage monitored.
LeakDetector::removeGarbageObject(Ret);
return Ret;
}
GlobalAlias *ilist_traits<GlobalAlias>::createSentinel() {
- GlobalAlias *Ret = new GlobalAlias(Type::Int32Ty,
+ GlobalAlias *Ret = new GlobalAlias(Type::getInt32Ty(getGlobalContext()),
GlobalValue::ExternalLinkage);
// This should not be garbage monitored.
LeakDetector::removeGarbageObject(Ret);
// Explicit instantiations of SymbolTableListTraits since some of the methods
// are not in the public header file.
-template class SymbolTableListTraits<GlobalVariable, Module>;
-template class SymbolTableListTraits<Function, Module>;
-template class SymbolTableListTraits<GlobalAlias, Module>;
+template class llvm::SymbolTableListTraits<GlobalVariable, Module>;
+template class llvm::SymbolTableListTraits<Function, Module>;
+template class llvm::SymbolTableListTraits<GlobalAlias, Module>;
//===----------------------------------------------------------------------===//
// Primitive Module methods.
//
-Module::Module(const std::string &MID, LLVMContext& C)
- : Context(C), ModuleID(MID), DataLayout("") {
+Module::Module(StringRef MID, LLVMContext& C)
+ : Context(C), Materializer(NULL), ModuleID(MID) {
ValSymTab = new ValueSymbolTable();
TypeSymTab = new TypeSymbolTable();
+ NamedMDSymTab = new StringMap<NamedMDNode *>();
+ Context.addModule(this);
}
Module::~Module() {
+ Context.removeModule(this);
dropAllReferences();
GlobalList.clear();
FunctionList.clear();
AliasList.clear();
LibraryList.clear();
+ NamedMDList.clear();
delete ValSymTab;
delete TypeSymTab;
+ delete static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab);
}
/// Target endian information...
Module::Endianness Module::getEndianness() const {
- std::string temp = DataLayout;
+ StringRef temp = DataLayout;
Module::Endianness ret = AnyEndianness;
while (!temp.empty()) {
- std::string token = getToken(temp, "-");
+ StringRef token = DataLayout;
+ tie(token, temp) = getToken(temp, "-");
if (token[0] == 'e') {
ret = LittleEndian;
/// Target Pointer Size information...
Module::PointerSize Module::getPointerSize() const {
- std::string temp = DataLayout;
+ StringRef temp = DataLayout;
Module::PointerSize ret = AnyPointerSize;
while (!temp.empty()) {
- std::string token = getToken(temp, "-");
- char signal = getToken(token, ":")[0];
+ StringRef token, signalToken;
+ tie(token, temp) = getToken(temp, "-");
+ tie(signalToken, token) = getToken(token, ":");
- if (signal == 'p') {
- int size = atoi(getToken(token, ":").c_str());
+ if (signalToken[0] == 'p') {
+ int size = 0;
+ getToken(token, ":").first.getAsInteger(10, size);
if (size == 32)
ret = Pointer32;
else if (size == 64)
/// getNamedValue - Return the first global value in the module with
/// the specified name, of arbitrary type. This method returns null
/// if a global with the specified name is not found.
-GlobalValue *Module::getNamedValue(const std::string &Name) const {
+GlobalValue *Module::getNamedValue(StringRef Name) const {
return cast_or_null<GlobalValue>(getValueSymbolTable().lookup(Name));
}
-GlobalValue *Module::getNamedValue(const char *Name) const {
- llvm::Value *V = getValueSymbolTable().lookup(Name, Name+strlen(Name));
- return cast_or_null<GlobalValue>(V);
+/// getMDKindID - Return a unique non-zero ID for the specified metadata kind.
+/// This ID is uniqued across modules in the current LLVMContext.
+unsigned Module::getMDKindID(StringRef Name) const {
+ return Context.getMDKindID(Name);
}
+/// 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 Module::getMDKindNames(SmallVectorImpl<StringRef> &Result) const {
+ return Context.getMDKindNames(Result);
+}
+
+
//===----------------------------------------------------------------------===//
// Methods for easy access to the functions in the module.
//
// it. This is nice because it allows most passes to get away with not handling
// the symbol table directly for this common task.
//
-Constant *Module::getOrInsertFunction(const std::string &Name,
+Constant *Module::getOrInsertFunction(StringRef Name,
const FunctionType *Ty,
AttrListPtr AttributeList) {
// See if we have a definition for the specified function already.
F->setName("");
// Retry, now there won't be a conflict.
Constant *NewF = getOrInsertFunction(Name, Ty);
- F->setName(&Name[0], Name.size());
+ F->setName(Name);
return NewF;
}
return F;
}
-Constant *Module::getOrInsertTargetIntrinsic(const std::string &Name,
+Constant *Module::getOrInsertTargetIntrinsic(StringRef Name,
const FunctionType *Ty,
AttrListPtr AttributeList) {
// See if we have a definition for the specified function already.
return F;
}
-Constant *Module::getOrInsertFunction(const std::string &Name,
+Constant *Module::getOrInsertFunction(StringRef Name,
const FunctionType *Ty) {
AttrListPtr AttributeList = AttrListPtr::get((AttributeWithIndex *)0, 0);
return getOrInsertFunction(Name, Ty, AttributeList);
// This version of the method takes a null terminated list of function
// arguments, which makes it easier for clients to use.
//
-Constant *Module::getOrInsertFunction(const std::string &Name,
+Constant *Module::getOrInsertFunction(StringRef Name,
AttrListPtr AttributeList,
const Type *RetTy, ...) {
va_list Args;
va_end(Args);
// Build the function type and chain to the other getOrInsertFunction...
- return getOrInsertFunction(Name, FunctionType::get(RetTy, ArgTys, false),
+ return getOrInsertFunction(Name,
+ FunctionType::get(RetTy, ArgTys, false),
AttributeList);
}
-Constant *Module::getOrInsertFunction(const std::string &Name,
+Constant *Module::getOrInsertFunction(StringRef Name,
const Type *RetTy, ...) {
va_list Args;
va_start(Args, RetTy);
va_end(Args);
// Build the function type and chain to the other getOrInsertFunction...
- return getOrInsertFunction(Name, FunctionType::get(RetTy, ArgTys, false),
+ return getOrInsertFunction(Name,
+ FunctionType::get(RetTy, ArgTys, false),
AttrListPtr::get((AttributeWithIndex *)0, 0));
}
// getFunction - Look up the specified function in the module symbol table.
// If it does not exist, return null.
//
-Function *Module::getFunction(const std::string &Name) const {
- return dyn_cast_or_null<Function>(getNamedValue(Name));
-}
-
-Function *Module::getFunction(const char *Name) const {
+Function *Module::getFunction(StringRef Name) const {
return dyn_cast_or_null<Function>(getNamedValue(Name));
}
/// If AllowLocal is set to true, this function will return types that
/// have an local. By default, these types are not returned.
///
-GlobalVariable *Module::getGlobalVariable(const std::string &Name,
+GlobalVariable *Module::getGlobalVariable(StringRef Name,
bool AllowLocal) const {
if (GlobalVariable *Result =
dyn_cast_or_null<GlobalVariable>(getNamedValue(Name)))
/// with a constantexpr cast to the right type.
/// 3. Finally, if the existing global is the correct delclaration, return the
/// existing global.
-Constant *Module::getOrInsertGlobal(const std::string &Name, const Type *Ty) {
+Constant *Module::getOrInsertGlobal(StringRef Name, const Type *Ty) {
// See if we have a definition for the specified global already.
GlobalVariable *GV = dyn_cast_or_null<GlobalVariable>(getNamedValue(Name));
if (GV == 0) {
// Nope, add it
GlobalVariable *New =
- new GlobalVariable(getContext(), Ty, false,
- GlobalVariable::ExternalLinkage, 0, Name);
- GlobalList.push_back(New);
- return New; // Return the new declaration.
+ new GlobalVariable(*this, Ty, false, GlobalVariable::ExternalLinkage,
+ 0, Name);
+ return New; // Return the new declaration.
}
// If the variable exists but has the wrong type, return a bitcast to the
// getNamedAlias - Look up the specified global in the module symbol table.
// If it does not exist, return null.
//
-GlobalAlias *Module::getNamedAlias(const std::string &Name) const {
+GlobalAlias *Module::getNamedAlias(StringRef Name) const {
return dyn_cast_or_null<GlobalAlias>(getNamedValue(Name));
}
+/// getNamedMetadata - Return the first NamedMDNode in the module with the
+/// specified name. This method returns null if a NamedMDNode with the
+/// specified name is not found.
+NamedMDNode *Module::getNamedMetadata(const Twine &Name) const {
+ SmallString<256> NameData;
+ StringRef NameRef = Name.toStringRef(NameData);
+ return static_cast<StringMap<NamedMDNode*> *>(NamedMDSymTab)->lookup(NameRef);
+}
+
+/// 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 *Module::getOrInsertNamedMetadata(StringRef Name) {
+ NamedMDNode *&NMD =
+ (*static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab))[Name];
+ if (!NMD) {
+ NMD = new NamedMDNode(Name);
+ NMD->setParent(this);
+ NamedMDList.push_back(NMD);
+ }
+ return NMD;
+}
+
+void Module::eraseNamedMetadata(NamedMDNode *NMD) {
+ static_cast<StringMap<NamedMDNode *> *>(NamedMDSymTab)->erase(NMD->getName());
+ NamedMDList.erase(NMD);
+}
+
//===----------------------------------------------------------------------===//
// Methods for easy access to the types in the module.
//
// there is already an entry for this name, true is returned and the symbol
// table is not modified.
//
-bool Module::addTypeName(const std::string &Name, const Type *Ty) {
+bool Module::addTypeName(StringRef Name, const Type *Ty) {
TypeSymbolTable &ST = getTypeSymbolTable();
if (ST.lookup(Name)) return true; // Already in symtab...
/// getTypeByName - Return the type with the specified name in this module, or
/// null if there is none by that name.
-const Type *Module::getTypeByName(const std::string &Name) const {
+const Type *Module::getTypeByName(StringRef Name) const {
const TypeSymbolTable &ST = getTypeSymbolTable();
return cast_or_null<Type>(ST.lookup(Name));
}
return ""; // Must not have found anything...
}
+//===----------------------------------------------------------------------===//
+// Methods to control the materialization of GlobalValues in the Module.
+//
+void Module::setMaterializer(GVMaterializer *GVM) {
+ assert(!Materializer &&
+ "Module already has a GVMaterializer. Call MaterializeAllPermanently"
+ " to clear it out before setting another one.");
+ Materializer.reset(GVM);
+}
+
+bool Module::isMaterializable(const GlobalValue *GV) const {
+ if (Materializer)
+ return Materializer->isMaterializable(GV);
+ return false;
+}
+
+bool Module::isDematerializable(const GlobalValue *GV) const {
+ if (Materializer)
+ return Materializer->isDematerializable(GV);
+ return false;
+}
+
+bool Module::Materialize(GlobalValue *GV, std::string *ErrInfo) {
+ if (Materializer)
+ return Materializer->Materialize(GV, ErrInfo);
+ return false;
+}
+
+void Module::Dematerialize(GlobalValue *GV) {
+ if (Materializer)
+ return Materializer->Dematerialize(GV);
+}
+
+bool Module::MaterializeAll(std::string *ErrInfo) {
+ if (!Materializer)
+ return false;
+ return Materializer->MaterializeModule(this, ErrInfo);
+}
+
+bool Module::MaterializeAllPermanently(std::string *ErrInfo) {
+ if (MaterializeAll(ErrInfo))
+ return true;
+ Materializer.reset();
+ return false;
+}
+
//===----------------------------------------------------------------------===//
// Other module related stuff.
//
I->dropAllReferences();
}
-void Module::addLibrary(const std::string& Lib) {
+void Module::addLibrary(StringRef Lib) {
for (Module::lib_iterator I = lib_begin(), E = lib_end(); I != E; ++I)
if (*I == Lib)
return;
LibraryList.push_back(Lib);
}
-void Module::removeLibrary(const std::string& Lib) {
+void Module::removeLibrary(StringRef Lib) {
LibraryListType::iterator I = LibraryList.begin();
LibraryListType::iterator E = LibraryList.end();
for (;I != E; ++I)