X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineModuleInfo.cpp;h=fadc594efcb2221d23e1e041618981f15b2ec6e8;hb=609d54ee1e715af57e499c2cd10ff5a9ba89b9f2;hp=25284d6f5fcf463519d8f557cc86f5da4fb6e483;hpb=47639fc5be0b8f4873d076a9ed24b9a3c0682b15;p=oota-llvm.git diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp index 25284d6f5fc..fadc594efcb 100644 --- a/lib/CodeGen/MachineModuleInfo.cpp +++ b/lib/CodeGen/MachineModuleInfo.cpp @@ -28,8 +28,8 @@ using namespace llvm; using namespace llvm::dwarf; // Handle the Pass registration stuff necessary to use TargetData's. -static RegisterPass -X("machinemoduleinfo", "Machine Module Information"); +INITIALIZE_PASS(MachineModuleInfo, "machinemoduleinfo", + "Machine Module Information", false, false) char MachineModuleInfo::ID = 0; // Out of line virtual method. @@ -41,30 +41,30 @@ class MMIAddrLabelMapCallbackPtr : CallbackVH { public: MMIAddrLabelMapCallbackPtr() : Map(0) {} MMIAddrLabelMapCallbackPtr(Value *V) : CallbackVH(V), Map(0) {} - + void setPtr(BasicBlock *BB) { ValueHandleBase::operator=(BB); } - + void setMap(MMIAddrLabelMap *map) { Map = map; } - + virtual void deleted(); virtual void allUsesReplacedWith(Value *V2); }; - + class MMIAddrLabelMap { MCContext &Context; struct AddrLabelSymEntry { /// Symbols - The symbols for the label. This is a pointer union that is /// either one symbol (the common case) or a list of symbols. PointerUnion*> Symbols; - + Function *Fn; // The containing function of the BasicBlock. unsigned Index; // The index in BBCallbacks for the BasicBlock. }; - + DenseMap, AddrLabelSymEntry> AddrLabelSymbols; - + /// BBCallbacks - Callbacks for the BasicBlock's that we have entries for. We /// use this so we get notified if a block is deleted or RAUWd. std::vector BBCallbacks; @@ -76,23 +76,23 @@ class MMIAddrLabelMap { DenseMap, std::vector > DeletedAddrLabelsNeedingEmission; public: - + MMIAddrLabelMap(MCContext &context) : Context(context) {} ~MMIAddrLabelMap() { assert(DeletedAddrLabelsNeedingEmission.empty() && "Some labels for deleted blocks never got emitted"); - + // Deallocate any of the 'list of symbols' case. for (DenseMap, AddrLabelSymEntry>::iterator I = AddrLabelSymbols.begin(), E = AddrLabelSymbols.end(); I != E; ++I) if (I->second.Symbols.is*>()) delete I->second.Symbols.get*>(); } - + MCSymbol *getAddrLabelSymbol(BasicBlock *BB); std::vector getAddrLabelSymbolToEmit(BasicBlock *BB); - void takeDeletedSymbolsForFunction(Function *F, + void takeDeletedSymbolsForFunction(Function *F, std::vector &Result); void UpdateForDeletedBlock(BasicBlock *BB); @@ -104,7 +104,7 @@ MCSymbol *MMIAddrLabelMap::getAddrLabelSymbol(BasicBlock *BB) { assert(BB->hasAddressTaken() && "Shouldn't get label for block without address taken"); AddrLabelSymEntry &Entry = AddrLabelSymbols[BB]; - + // If we already had an entry for this block, just return it. if (!Entry.Symbols.isNull()) { assert(BB->getParent() == Entry.Fn && "Parent changed"); @@ -112,7 +112,7 @@ MCSymbol *MMIAddrLabelMap::getAddrLabelSymbol(BasicBlock *BB) { return Entry.Symbols.get(); return (*Entry.Symbols.get*>())[0]; } - + // Otherwise, this is a new entry, create a new symbol for it and add an // entry to BBCallbacks so we can be notified if the BB is deleted or RAUWd. BBCallbacks.push_back(BB); @@ -129,9 +129,9 @@ MMIAddrLabelMap::getAddrLabelSymbolToEmit(BasicBlock *BB) { assert(BB->hasAddressTaken() && "Shouldn't get label for block without address taken"); AddrLabelSymEntry &Entry = AddrLabelSymbols[BB]; - + std::vector Result; - + // If we already had an entry for this block, just return it. if (Entry.Symbols.isNull()) Result.push_back(getAddrLabelSymbol(BB)); @@ -152,7 +152,7 @@ takeDeletedSymbolsForFunction(Function *F, std::vector &Result) { // If there are no entries for the function, just return. if (I == DeletedAddrLabelsNeedingEmission.end()) return; - + // Otherwise, take the list. std::swap(Result, I->second); DeletedAddrLabelsNeedingEmission.erase(I); @@ -175,7 +175,7 @@ void MMIAddrLabelMap::UpdateForDeletedBlock(BasicBlock *BB) { if (MCSymbol *Sym = Entry.Symbols.dyn_cast()) { if (Sym->isDefined()) return; - + // If the block is not yet defined, we need to emit it at the end of the // function. Add the symbol to the DeletedAddrLabelsNeedingEmission list // for the containing Function. Since the block is being deleted, its @@ -187,7 +187,7 @@ void MMIAddrLabelMap::UpdateForDeletedBlock(BasicBlock *BB) { for (unsigned i = 0, e = Syms->size(); i != e; ++i) { MCSymbol *Sym = (*Syms)[i]; if (Sym->isDefined()) continue; // Ignore already emitted labels. - + // If the block is not yet defined, we need to emit it at the end of the // function. Add the symbol to the DeletedAddrLabelsNeedingEmission list // for the containing Function. Since the block is being deleted, its @@ -195,7 +195,7 @@ void MMIAddrLabelMap::UpdateForDeletedBlock(BasicBlock *BB) { // 'Entry'. DeletedAddrLabelsNeedingEmission[Entry.Fn].push_back(Sym); } - + // The entry is deleted, free the memory associated with the symbol list. delete Syms; } @@ -225,7 +225,7 @@ void MMIAddrLabelMap::UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New) { SymList->push_back(PrevSym); NewEntry.Symbols = SymList; } - + std::vector *SymList = NewEntry.Symbols.get*>(); @@ -234,7 +234,7 @@ void MMIAddrLabelMap::UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New) { SymList->push_back(Sym); return; } - + // Otherwise, concatenate the list. std::vector *Syms =OldEntry.Symbols.get*>(); SymList->insert(SymList->end(), Syms->begin(), Syms->end()); @@ -253,10 +253,13 @@ void MMIAddrLabelMapCallbackPtr::allUsesReplacedWith(Value *V2) { //===----------------------------------------------------------------------===// -MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI) -: ImmutablePass(&ID), Context(MAI), +MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI, + const TargetAsmInfo *TAI) +: ImmutablePass(ID), Context(MAI, TAI), ObjFileMMI(0), - CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false){ + CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false), + CallsExternalVAFunctionWithFloatingPointArguments(false) { + initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry()); // Always emit some info, by default "no personality" info. Personalities.push_back(NULL); AddrLabelSymbols = 0; @@ -264,7 +267,7 @@ MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI) } MachineModuleInfo::MachineModuleInfo() -: ImmutablePass(&ID), Context(*(MCAsmInfo*)0) { +: ImmutablePass(ID), Context(*(MCAsmInfo*)0, NULL) { assert(0 && "This MachineModuleInfo constructor should never be called, MMI " "should always be explicitly constructed by LLVMTargetMachine"); abort(); @@ -272,7 +275,7 @@ MachineModuleInfo::MachineModuleInfo() MachineModuleInfo::~MachineModuleInfo() { delete ObjFileMMI; - + // FIXME: Why isn't doFinalization being called?? //assert(AddrLabelSymbols == 0 && "doFinalization not called"); delete AddrLabelSymbols; @@ -472,7 +475,7 @@ void MachineModuleInfo::TidyLandingPads(DenseMap *LPMap) { (LPMap && (*LPMap)[BeginLabel] != 0)) && (EndLabel->isDefined() || (LPMap && (*LPMap)[EndLabel] != 0))) continue; - + LandingPad.BeginLabels.erase(LandingPad.BeginLabels.begin() + j); LandingPad.EndLabels.erase(LandingPad.EndLabels.begin() + j); --j, --e; @@ -562,4 +565,3 @@ unsigned MachineModuleInfo::getPersonalityIndex() const { // in the zero index. return 0; } -