X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FModule.cpp;h=507d24936cce1b2837328ae51479d8d31502a4a3;hb=17aa92c92a925b4a674440c7ef088c223990e854;hp=4daa92db945902011c84a6608f662b3694eba3e2;hpb=c341f1c62d1b46b64fb70890fffed87a3136cc2d;p=oota-llvm.git diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp index 4daa92db945..507d24936cc 100644 --- a/lib/VMCore/Module.cpp +++ b/lib/VMCore/Module.cpp @@ -15,7 +15,9 @@ #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" @@ -31,14 +33,14 @@ using namespace llvm; // GlobalVariable *ilist_traits::createSentinel() { - GlobalVariable *Ret = new GlobalVariable(getGlobalContext(), Type::Int32Ty, + GlobalVariable *Ret = new GlobalVariable(Type::getInt32Ty(getGlobalContext()), false, GlobalValue::ExternalLinkage); // This should not be garbage monitored. LeakDetector::removeGarbageObject(Ret); return Ret; } GlobalAlias *ilist_traits::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); @@ -47,18 +49,19 @@ GlobalAlias *ilist_traits::createSentinel() { // Explicit instantiations of SymbolTableListTraits since some of the methods // are not in the public header file. -template class SymbolTableListTraits; -template class SymbolTableListTraits; -template class SymbolTableListTraits; +template class llvm::SymbolTableListTraits; +template class llvm::SymbolTableListTraits; +template class llvm::SymbolTableListTraits; //===----------------------------------------------------------------------===// // 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), DataLayout("") { ValSymTab = new ValueSymbolTable(); TypeSymTab = new TypeSymbolTable(); + NamedMDSymTab = new StringMap(); } Module::~Module() { @@ -67,17 +70,20 @@ Module::~Module() { FunctionList.clear(); AliasList.clear(); LibraryList.clear(); + NamedMDList.clear(); delete ValSymTab; delete TypeSymTab; + delete static_cast *>(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; @@ -91,15 +97,17 @@ Module::Endianness Module::getEndianness() const { /// 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) @@ -113,15 +121,24 @@ Module::PointerSize Module::getPointerSize() const { /// 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(getValueSymbolTable().lookup(Name)); } -GlobalValue *Module::getNamedValue(const char *Name) const { - llvm::Value *V = getValueSymbolTable().lookup(Name, Name+strlen(Name)); - return cast_or_null(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 &Result) const { + return Context.getMDKindNames(Result); +} + + //===----------------------------------------------------------------------===// // Methods for easy access to the functions in the module. // @@ -131,7 +148,7 @@ GlobalValue *Module::getNamedValue(const char *Name) const { // 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. @@ -151,20 +168,20 @@ Constant *Module::getOrInsertFunction(const std::string &Name, 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; } // If the function exists but has the wrong type, return a bitcast to the // right type. - if (F->getType() != Context.getPointerTypeUnqual(Ty)) - return Context.getConstantExprBitCast(F, Context.getPointerTypeUnqual(Ty)); + if (F->getType() != PointerType::getUnqual(Ty)) + return ConstantExpr::getBitCast(F, PointerType::getUnqual(Ty)); // Otherwise, we just found the existing function or a prototype. 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. @@ -181,7 +198,7 @@ Constant *Module::getOrInsertTargetIntrinsic(const std::string &Name, 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); @@ -192,7 +209,7 @@ Constant *Module::getOrInsertFunction(const std::string &Name, // 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; @@ -207,11 +224,11 @@ Constant *Module::getOrInsertFunction(const std::string &Name, // Build the function type and chain to the other getOrInsertFunction... return getOrInsertFunction(Name, - Context.getFunctionType(RetTy, ArgTys, false), + 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); @@ -225,18 +242,14 @@ Constant *Module::getOrInsertFunction(const std::string &Name, // Build the function type and chain to the other getOrInsertFunction... return getOrInsertFunction(Name, - Context.getFunctionType(RetTy, ArgTys, false), + 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(getNamedValue(Name)); -} - -Function *Module::getFunction(const char *Name) const { +Function *Module::getFunction(StringRef Name) const { return dyn_cast_or_null(getNamedValue(Name)); } @@ -251,7 +264,7 @@ Function *Module::getFunction(const char *Name) const { /// 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(getNamedValue(Name))) @@ -266,7 +279,7 @@ GlobalVariable *Module::getGlobalVariable(const std::string &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(getNamedValue(Name)); if (GV == 0) { @@ -279,8 +292,8 @@ Constant *Module::getOrInsertGlobal(const std::string &Name, const Type *Ty) { // If the variable exists but has the wrong type, return a bitcast to the // right type. - if (GV->getType() != Context.getPointerTypeUnqual(Ty)) - return Context.getConstantExprBitCast(GV, Context.getPointerTypeUnqual(Ty)); + if (GV->getType() != PointerType::getUnqual(Ty)) + return ConstantExpr::getBitCast(GV, PointerType::getUnqual(Ty)); // Otherwise, we just found the existing function or a prototype. return GV; @@ -293,10 +306,38 @@ Constant *Module::getOrInsertGlobal(const std::string &Name, const Type *Ty) { // 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(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 *>(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 *>(NamedMDSymTab))[Name]; + if (!NMD) { + NMD = new NamedMDNode(Name); + NMD->setParent(this); + NamedMDList.push_back(NMD); + } + return NMD; +} + +void Module::eraseNamedMetadata(NamedMDNode *NMD) { + static_cast *>(NamedMDSymTab)->erase(NMD->getName()); + NamedMDList.erase(NMD); +} + //===----------------------------------------------------------------------===// // Methods for easy access to the types in the module. // @@ -306,7 +347,7 @@ GlobalAlias *Module::getNamedAlias(const std::string &Name) const { // 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... @@ -320,7 +361,7 @@ bool Module::addTypeName(const std::string &Name, const Type *Ty) { /// 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(ST.lookup(Name)); } @@ -343,6 +384,52 @@ std::string Module::getTypeName(const Type *Ty) const { 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. // @@ -366,14 +453,14 @@ void Module::dropAllReferences() { 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)