X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FMachineModuleInfo.cpp;h=4117b1744428ed2ca5848202b14c1c538644ee4f;hb=3d6a30ea3b8272a46b1cd20684a09ea5e56c9548;hp=c5fd4a17c27bc185b4c2874e9adec199132d0e43;hpb=486a7ad94fc948a0f52c32c860cdb2b166741249;p=oota-llvm.git diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp index c5fd4a17c27..4117b174442 100644 --- a/lib/CodeGen/MachineModuleInfo.cpp +++ b/lib/CodeGen/MachineModuleInfo.cpp @@ -13,12 +13,12 @@ #include "llvm/CodeGen/MachineFunction.h" #include "llvm/CodeGen/MachineFunctionPass.h" #include "llvm/CodeGen/Passes.h" -#include "llvm/Constants.h" -#include "llvm/DerivedTypes.h" -#include "llvm/GlobalVariable.h" +#include "llvm/IR/Constants.h" +#include "llvm/IR/DerivedTypes.h" +#include "llvm/IR/GlobalVariable.h" +#include "llvm/IR/Module.h" #include "llvm/MC/MCObjectFileInfo.h" #include "llvm/MC/MCSymbol.h" -#include "llvm/Module.h" #include "llvm/Support/Dwarf.h" #include "llvm/Support/ErrorHandling.h" using namespace llvm; @@ -36,8 +36,8 @@ namespace llvm { class MMIAddrLabelMapCallbackPtr : CallbackVH { MMIAddrLabelMap *Map; public: - MMIAddrLabelMapCallbackPtr() : Map(0) {} - MMIAddrLabelMapCallbackPtr(Value *V) : CallbackVH(V), Map(0) {} + MMIAddrLabelMapCallbackPtr() : Map(nullptr) {} + MMIAddrLabelMapCallbackPtr(Value *V) : CallbackVH(V), Map(nullptr) {} void setPtr(BasicBlock *BB) { ValueHandleBase::operator=(BB); @@ -45,8 +45,8 @@ public: void setMap(MMIAddrLabelMap *map) { Map = map; } - virtual void deleted(); - virtual void allUsesReplacedWith(Value *V2); + void deleted() override; + void allUsesReplacedWith(Value *V2) override; }; class MMIAddrLabelMap { @@ -163,9 +163,9 @@ void MMIAddrLabelMap::UpdateForDeletedBlock(BasicBlock *BB) { AddrLabelSymEntry Entry = AddrLabelSymbols[BB]; AddrLabelSymbols.erase(BB); assert(!Entry.Symbols.isNull() && "Didn't have a symbol, why a callback?"); - BBCallbacks[Entry.Index] = 0; // Clear the callback. + BBCallbacks[Entry.Index] = nullptr; // Clear the callback. - assert((BB->getParent() == 0 || BB->getParent() == Entry.Fn) && + assert((BB->getParent() == nullptr || BB->getParent() == Entry.Fn) && "Block/parent mismatch"); // Handle both the single and the multiple symbols cases. @@ -213,7 +213,7 @@ void MMIAddrLabelMap::UpdateForRAUWBlock(BasicBlock *Old, BasicBlock *New) { return; } - BBCallbacks[OldEntry.Index] = 0; // Update the callback. + BBCallbacks[OldEntry.Index] = nullptr; // Update the callback. // Otherwise, we need to add the old symbol to the new block's set. If it is // just a single entry, upgrade it to a symbol list. @@ -253,36 +253,31 @@ void MMIAddrLabelMapCallbackPtr::allUsesReplacedWith(Value *V2) { MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI, const MCRegisterInfo &MRI, const MCObjectFileInfo *MOFI) - : ImmutablePass(ID), Context(MAI, MRI, MOFI) { + : ImmutablePass(ID), Context(&MAI, &MRI, MOFI, nullptr, false) { initializeMachineModuleInfoPass(*PassRegistry::getPassRegistry()); } MachineModuleInfo::MachineModuleInfo() - : ImmutablePass(ID), - Context(*(MCAsmInfo*)0, *(MCRegisterInfo*)0, (MCObjectFileInfo*)0) { + : ImmutablePass(ID), Context(nullptr, nullptr, nullptr) { llvm_unreachable("This MachineModuleInfo constructor should never be called, " "MMI should always be explicitly constructed by " "LLVMTargetMachine"); } MachineModuleInfo::~MachineModuleInfo() { - delete ObjFileMMI; } bool MachineModuleInfo::doInitialization(Module &M) { - - Context.doInitialization(); - ObjFileMMI = 0; - CompactUnwindEncoding = 0; + ObjFileMMI = nullptr; CurCallSite = 0; CallsEHReturn = 0; CallsUnwindInit = 0; DbgInfoAvailable = UsesVAFloatArgument = false; // Always emit some info, by default "no personality" info. - Personalities.push_back(NULL); - AddrLabelSymbols = 0; - TheModule = 0; + Personalities.push_back(nullptr); + AddrLabelSymbols = nullptr; + TheModule = nullptr; return false; } @@ -292,9 +287,12 @@ bool MachineModuleInfo::doFinalization(Module &M) { Personalities.clear(); delete AddrLabelSymbols; - AddrLabelSymbols = 0; + AddrLabelSymbols = nullptr; + + Context.reset(); - Context.doFinalization(); + delete ObjFileMMI; + ObjFileMMI = nullptr; return false; } @@ -303,7 +301,7 @@ bool MachineModuleInfo::doFinalization(Module &M) { /// void MachineModuleInfo::EndFunction() { // Clean up frame info. - FrameMoves.clear(); + FrameInstructions.clear(); // Clean up exception info. LandingPads.clear(); @@ -313,8 +311,7 @@ void MachineModuleInfo::EndFunction() { FilterEnds.clear(); CallsEHReturn = 0; CallsUnwindInit = 0; - CompactUnwindEncoding = 0; - VariableDbgInfo.clear(); + VariableDbgInfos.clear(); } /// AnalyzeModule - Scan the module for global debug information. @@ -326,8 +323,7 @@ void MachineModuleInfo::AnalyzeModule(const Module &M) { if (!GV || !GV->hasInitializer()) return; // Should be an array of 'i8*'. - const ConstantArray *InitList = dyn_cast(GV->getInitializer()); - if (InitList == 0) return; + const ConstantArray *InitList = cast(GV->getInitializer()); for (unsigned i = 0, e = InitList->getNumOperands(); i != e; ++i) if (const Function *F = @@ -343,7 +339,7 @@ void MachineModuleInfo::AnalyzeModule(const Module &M) { /// because the block may be accessed outside its containing function. MCSymbol *MachineModuleInfo::getAddrLabelSymbol(const BasicBlock *BB) { // Lazily create AddrLabelSymbols. - if (AddrLabelSymbols == 0) + if (!AddrLabelSymbols) AddrLabelSymbols = new MMIAddrLabelMap(Context); return AddrLabelSymbols->getAddrLabelSymbol(const_cast(BB)); } @@ -354,7 +350,7 @@ MCSymbol *MachineModuleInfo::getAddrLabelSymbol(const BasicBlock *BB) { std::vector MachineModuleInfo:: getAddrLabelSymbolToEmit(const BasicBlock *BB) { // Lazily create AddrLabelSymbols. - if (AddrLabelSymbols == 0) + if (!AddrLabelSymbols) AddrLabelSymbols = new MMIAddrLabelMap(Context); return AddrLabelSymbols->getAddrLabelSymbolToEmit(const_cast(BB)); } @@ -368,7 +364,7 @@ void MachineModuleInfo:: takeDeletedSymbolsForFunction(const Function *F, std::vector &Result) { // If no blocks have had their addresses taken, we're done. - if (AddrLabelSymbols == 0) return; + if (!AddrLabelSymbols) return; return AddrLabelSymbols-> takeDeletedSymbolsForFunction(const_cast(F), Result); } @@ -421,7 +417,7 @@ void MachineModuleInfo::addPersonality(MachineBasicBlock *LandingPad, // If this is the first personality we're adding go // ahead and add it at the beginning. - if (Personalities[0] == NULL) + if (!Personalities[0]) Personalities[0] = Personality; else Personalities.push_back(Personality); @@ -464,7 +460,7 @@ void MachineModuleInfo::TidyLandingPads(DenseMap *LPMap) { if (LandingPad.LandingPadLabel && !LandingPad.LandingPadLabel->isDefined() && (!LPMap || (*LPMap)[LandingPad.LandingPadLabel] == 0)) - LandingPad.LandingPadLabel = 0; + LandingPad.LandingPadLabel = nullptr; // Special case: we *should* emit LPs with null LP MBB. This indicates // "nounwind" case. @@ -552,13 +548,13 @@ try_next:; const Function *MachineModuleInfo::getPersonality() const { // FIXME: Until PR1414 will be fixed, we're using 1 personality function per // function - return !LandingPads.empty() ? LandingPads[0].Personality : NULL; + return !LandingPads.empty() ? LandingPads[0].Personality : nullptr; } /// getPersonalityIndex - Return unique index for current personality /// function. NULL/first personality function should always get zero index. unsigned MachineModuleInfo::getPersonalityIndex() const { - const Function* Personality = NULL; + const Function* Personality = nullptr; // Scan landing pads. If there is at least one non-NULL personality - use it. for (unsigned i = 0, e = LandingPads.size(); i != e; ++i)