Don't use PassInfo* as a type identifier for passes. Instead, use the address of the static

ID member as the sole unique type identifier.  Clean up APIs related to this change.

llvm-svn: 110396

llvm/include/llvm/Analysis/DOTGraphTraitsPass.h

@@ -22,7 +22,7 @@ template <class Analysis, bool Simple>
 struct DOTGraphTraitsViewer : public FunctionPass {
   std::string Name;
 
-  DOTGraphTraitsViewer(std::string GraphName, const void *ID) : FunctionPass(ID) {
+  DOTGraphTraitsViewer(std::string GraphName, char &ID) : FunctionPass(ID) {
     Name = GraphName;
   }
 
@@ -48,7 +48,7 @@ struct DOTGraphTraitsPrinter : public FunctionPass {
 
   std::string Name;
 
-  DOTGraphTraitsPrinter(std::string GraphName, const void *ID)
+  DOTGraphTraitsPrinter(std::string GraphName, char &ID)
     : FunctionPass(ID) {
     Name = GraphName;
   }

llvm/include/llvm/Analysis/Dominators.h

@@ -702,7 +702,7 @@ public:
   static char ID; // Pass ID, replacement for typeid
   DominatorTreeBase<BasicBlock>* DT;
 
-  DominatorTree() : FunctionPass(&ID) {
+  DominatorTree() : FunctionPass(ID) {
     DT = new DominatorTreeBase<BasicBlock>(false);
   }
 
@@ -890,7 +890,7 @@ protected:
   const bool IsPostDominators;
 
 public:
-  DominanceFrontierBase(void *ID, bool isPostDom)
+  DominanceFrontierBase(char &ID, bool isPostDom)
     : FunctionPass(ID), IsPostDominators(isPostDom) {}
 
   /// getRoots - Return the root blocks of the current CFG.  This may include
@@ -1009,7 +1009,7 @@ class DominanceFrontier : public DominanceFrontierBase {
 public:
   static char ID; // Pass ID, replacement for typeid
   DominanceFrontier() :
-    DominanceFrontierBase(&ID, false) {}
+    DominanceFrontierBase(ID, false) {}
 
   BasicBlock *getRoot() const {
     assert(Roots.size() == 1 && "Should always have entry node!");

llvm/include/llvm/Analysis/FindUsedTypes.h

@@ -26,7 +26,7 @@ class FindUsedTypes : public ModulePass {
   std::set<const Type *> UsedTypes;
 public:
   static char ID; // Pass identification, replacement for typeid
-  FindUsedTypes() : ModulePass(&ID) {}
+  FindUsedTypes() : ModulePass(ID) {}
 
   /// getTypes - After the pass has been run, return the set containing all of
   /// the types used in the module.

llvm/include/llvm/Analysis/IntervalPartition.h

@@ -48,7 +48,7 @@ class IntervalPartition : public FunctionPass {
 public:
   static char ID; // Pass identification, replacement for typeid
 
-  IntervalPartition() : FunctionPass(&ID), RootInterval(0) {}
+  IntervalPartition() : FunctionPass(ID), RootInterval(0) {}
 
   // run - Calculate the interval partition for this function
   virtual bool runOnFunction(Function &F);

llvm/include/llvm/Analysis/LazyValueInfo.h

@@ -31,7 +31,7 @@ class LazyValueInfo : public FunctionPass {
   void operator=(const LazyValueInfo&); // DO NOT IMPLEMENT.
 public:
   static char ID;
-  LazyValueInfo() : FunctionPass(&ID), PImpl(0) {}
+  LazyValueInfo() : FunctionPass(ID), PImpl(0) {}
   ~LazyValueInfo() { assert(PImpl == 0 && "releaseMemory not called"); }
 
   /// Tristate - This is used to return true/false/dunno results.

llvm/include/llvm/Analysis/LibCallAliasAnalysis.h

@@ -28,9 +28,9 @@ namespace llvm {
     LibCallInfo *LCI;
     
     explicit LibCallAliasAnalysis(LibCallInfo *LC = 0)
-      : FunctionPass(&ID), LCI(LC) {
+      : FunctionPass(ID), LCI(LC) {
     }
-    explicit LibCallAliasAnalysis(const void *ID, LibCallInfo *LC)
+    explicit LibCallAliasAnalysis(char &ID, LibCallInfo *LC)
       : FunctionPass(ID), LCI(LC) {
     }
     ~LibCallAliasAnalysis();
@@ -55,8 +55,8 @@ namespace llvm {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(const void *PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/include/llvm/Analysis/LoopDependenceAnalysis.h

@@ -91,7 +91,7 @@ class LoopDependenceAnalysis : public LoopPass {
 
 public:
   static char ID; // Class identification, replacement for typeinfo
-  LoopDependenceAnalysis() : LoopPass(&ID) {}
+  LoopDependenceAnalysis() : LoopPass(ID) {}
 
   /// isDependencePair - Check whether two values can possibly give rise to
   /// a data dependence: that is the case if both are instructions accessing

llvm/include/llvm/Analysis/LoopInfo.h

@@ -940,7 +940,7 @@ class LoopInfo : public FunctionPass {
 public:
   static char ID; // Pass identification, replacement for typeid
 
-  LoopInfo() : FunctionPass(&ID) {}
+  LoopInfo() : FunctionPass(ID) {}
 
   LoopInfoBase<BasicBlock, Loop>& getBase() { return LI; }
 

llvm/include/llvm/Analysis/LoopPass.h

@@ -28,8 +28,7 @@ class PMStack;
 
 class LoopPass : public Pass {
 public:
-  explicit LoopPass(intptr_t pid) : Pass(PT_Loop, pid) {}
-  explicit LoopPass(void *pid) : Pass(PT_Loop, pid) {}
+  explicit LoopPass(char &pid) : Pass(PT_Loop, pid) {}
 
   /// getPrinterPass - Get a pass to print the function corresponding
   /// to a Loop.

llvm/include/llvm/Analysis/Passes.h

@@ -92,7 +92,7 @@ namespace llvm {
   // file.
   //
   ModulePass *createProfileLoaderPass();
-  extern const PassInfo *ProfileLoaderPassID;
+  extern char &ProfileLoaderPassID;
 
   //===--------------------------------------------------------------------===//
   //
@@ -106,7 +106,7 @@ namespace llvm {
   // instead of loading it from a previous run.
   //
   FunctionPass *createProfileEstimatorPass();
-  extern const PassInfo *ProfileEstimatorPassID;
+  extern char &ProfileEstimatorPassID;
 
   //===--------------------------------------------------------------------===//
   //

llvm/include/llvm/Analysis/PostDominators.h

@@ -25,7 +25,7 @@ struct PostDominatorTree : public FunctionPass {
   static char ID; // Pass identification, replacement for typeid
   DominatorTreeBase<BasicBlock>* DT;
 
-  PostDominatorTree() : FunctionPass(&ID) {
+  PostDominatorTree() : FunctionPass(ID) {
     DT = new DominatorTreeBase<BasicBlock>(true);
   }
 
@@ -106,7 +106,7 @@ template <> struct GraphTraits<PostDominatorTree*>
 struct PostDominanceFrontier : public DominanceFrontierBase {
   static char ID;
   PostDominanceFrontier()
-    : DominanceFrontierBase(&ID, true) {}
+    : DominanceFrontierBase(ID, true) {}
 
   virtual bool runOnFunction(Function &) {
     Frontiers.clear();

llvm/include/llvm/CallGraphSCCPass.h

@@ -33,8 +33,7 @@ class CallGraphSCC;
   
 class CallGraphSCCPass : public Pass {
 public:
-  explicit CallGraphSCCPass(intptr_t pid) : Pass(PT_CallGraphSCC, pid) {}
-  explicit CallGraphSCCPass(void *pid) : Pass(PT_CallGraphSCC, pid) {}
+  explicit CallGraphSCCPass(char &pid) : Pass(PT_CallGraphSCC, pid) {}
 
   /// createPrinterPass - Get a pass that prints the Module
   /// corresponding to a CallGraph.

llvm/include/llvm/CodeGen/CalcSpillWeights.h

@@ -23,7 +23,7 @@ namespace llvm {
   public:
     static char ID;
 
-    CalculateSpillWeights() : MachineFunctionPass(&ID) {}
+    CalculateSpillWeights() : MachineFunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &au) const;
 

llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h

@@ -68,7 +68,7 @@ namespace llvm {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    LiveIntervals() : MachineFunctionPass(&ID) {}
+    LiveIntervals() : MachineFunctionPass(ID) {}
 
     // Calculate the spill weight to assign to a single instruction.
     static float getSpillWeight(bool isDef, bool isUse, unsigned loopDepth);

llvm/include/llvm/CodeGen/LiveStackAnalysis.h

@@ -39,7 +39,7 @@ namespace llvm {
     
   public:
     static char ID; // Pass identification, replacement for typeid
-    LiveStacks() : MachineFunctionPass(&ID) {}
+    LiveStacks() : MachineFunctionPass(ID) {}
 
     typedef SS2IntervalMap::iterator iterator;
     typedef SS2IntervalMap::const_iterator const_iterator;

llvm/include/llvm/CodeGen/LiveVariables.h

@@ -46,7 +46,7 @@ class TargetRegisterInfo;
 class LiveVariables : public MachineFunctionPass {
 public:
   static char ID; // Pass identification, replacement for typeid
-  LiveVariables() : MachineFunctionPass(&ID) {}
+  LiveVariables() : MachineFunctionPass(ID) {}
 
   /// VarInfo - This represents the regions where a virtual register is live in
   /// the program.  We represent this with three different pieces of

llvm/include/llvm/CodeGen/MachineFunctionPass.h

@@ -31,8 +31,7 @@ class MachineFunction;
 /// override runOnMachineFunction.
 class MachineFunctionPass : public FunctionPass {
 protected:
-  explicit MachineFunctionPass(intptr_t ID) : FunctionPass(ID) {}
-  explicit MachineFunctionPass(void *ID) : FunctionPass(ID) {}
+  explicit MachineFunctionPass(char &ID) : FunctionPass(ID) {}
 
   /// runOnMachineFunction - This method must be overloaded to perform the
   /// desired machine code transformation or analysis.

llvm/include/llvm/CodeGen/MachineLoopInfo.h

@@ -67,7 +67,7 @@ class MachineLoopInfo : public MachineFunctionPass {
 public:
   static char ID; // Pass identification, replacement for typeid
 
-  MachineLoopInfo() : MachineFunctionPass(&ID) {}
+  MachineLoopInfo() : MachineFunctionPass(ID) {}
 
   LoopInfoBase<MachineBasicBlock, MachineLoop>& getBase() { return LI; }
 

llvm/include/llvm/CodeGen/Passes.h

@@ -43,18 +43,18 @@ namespace llvm {
 
   /// MachineLoopInfo pass - This pass is a loop analysis pass.
   /// 
-  extern const PassInfo *const MachineLoopInfoID;
+  extern char &MachineLoopInfoID;
 
   /// MachineDominators pass - This pass is a machine dominators analysis pass.
   /// 
-  extern const PassInfo *const MachineDominatorsID;
+  extern char &MachineDominatorsID;
 
   /// PHIElimination pass - This pass eliminates machine instruction PHI nodes
   /// by inserting copy instructions.  This destroys SSA information, but is the
   /// desired input for some register allocators.  This pass is "required" by
   /// these register allocator like this: AU.addRequiredID(PHIEliminationID);
   ///
-  extern const PassInfo *const PHIEliminationID;
+  extern char &PHIEliminationID;
   
   /// StrongPHIElimination pass - This pass eliminates machine instruction PHI
   /// nodes by inserting copy instructions.  This destroys SSA information, but
@@ -62,23 +62,23 @@ namespace llvm {
   /// "required" by these register allocator like this:
   ///    AU.addRequiredID(PHIEliminationID);
   ///  This pass is still in development
-  extern const PassInfo *const StrongPHIEliminationID;
+  extern char &StrongPHIEliminationID;
 
-  extern const PassInfo *const PreAllocSplittingID;
+  extern char &PreAllocSplittingID;
 
   /// SimpleRegisterCoalescing pass.  Aggressively coalesces every register
   /// copy it can.
   ///
-  extern const PassInfo *const SimpleRegisterCoalescingID;
+  extern char &SimpleRegisterCoalescingID;
 
   /// TwoAddressInstruction pass - This pass reduces two-address instructions to
   /// use two operands. This destroys SSA information but it is desired by
   /// register allocators.
-  extern const PassInfo *const TwoAddressInstructionPassID;
+  extern char &TwoAddressInstructionPassID;
 
   /// UnreachableMachineBlockElimination pass - This pass removes unreachable
   /// machine basic blocks.
-  extern const PassInfo *const UnreachableMachineBlockElimID;
+  extern char &UnreachableMachineBlockElimID;
 
   /// DeadMachineInstructionElim pass - This pass removes dead machine
   /// instructions.

llvm/include/llvm/CodeGen/ProcessImplicitDefs.h

@@ -31,7 +31,7 @@ namespace llvm {
   public:
     static char ID;
 
-    ProcessImplicitDefs() : MachineFunctionPass(&ID) {}
+    ProcessImplicitDefs() : MachineFunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &au) const;
 

llvm/include/llvm/CodeGen/SlotIndexes.h

@@ -475,7 +475,7 @@ namespace llvm {
   public:
     static char ID;
 
-    SlotIndexes() : MachineFunctionPass(&ID), indexListHead(0) {}
+    SlotIndexes() : MachineFunctionPass(ID), indexListHead(0) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &au) const;
     virtual void releaseMemory(); 

llvm/include/llvm/Pass.h

@@ -50,7 +50,7 @@ class raw_ostream;
 class StringRef;
 
 // AnalysisID - Use the PassInfo to identify a pass...
-typedef const PassInfo* AnalysisID;
+typedef const void* AnalysisID;
 
 /// Different types of internal pass managers. External pass managers
 /// (PassManager and FunctionPassManager) are not represented here.
@@ -82,14 +82,13 @@ enum PassKind {
 ///
 class Pass {
   AnalysisResolver *Resolver;  // Used to resolve analysis
-  intptr_t PassID;
+  const void *PassID;
   PassKind Kind;
   void operator=(const Pass&);  // DO NOT IMPLEMENT
   Pass(const Pass &);           // DO NOT IMPLEMENT
   
 public:
-  explicit Pass(PassKind K, intptr_t pid);
-  explicit Pass(PassKind K, const void *pid);
+  explicit Pass(PassKind K, char &pid);
   virtual ~Pass();
 
   
@@ -101,10 +100,10 @@ public:
   ///
   virtual const char *getPassName() const;
 
-  /// getPassInfo - Return the PassInfo data structure that corresponds to this
-  /// pass...  If the pass has not been registered, this will return null.
-  ///
-  const PassInfo *getPassInfo() const;
+  /// getPassID - Return the PassID number that corresponds to this pass.
+  virtual AnalysisID getPassID() const {
+    return PassID;
+  }
 
   /// print - Print out the internal state of the pass.  This is called by
   /// Analyze to print out the contents of an analysis.  Otherwise it is not
@@ -159,7 +158,7 @@ public:
   /// an analysis interface through multiple inheritance.  If needed, it should
   /// override this to adjust the this pointer as needed for the specified pass
   /// info.
-  virtual void *getAdjustedAnalysisPointer(const PassInfo *);
+  virtual void *getAdjustedAnalysisPointer(AnalysisID ID);
   virtual ImmutablePass *getAsImmutablePass();
   virtual PMDataManager *getAsPMDataManager();
   
@@ -170,14 +169,9 @@ public:
   // dumpPassStructure - Implement the -debug-passes=PassStructure option
   virtual void dumpPassStructure(unsigned Offset = 0);
 
-  template<typename AnalysisClass>
-  static const PassInfo *getClassPassInfo() {
-    return lookupPassInfo(intptr_t(&AnalysisClass::ID));
-  }
-
   // lookupPassInfo - Return the pass info object for the specified pass class,
   // or null if it is not known.
-  static const PassInfo *lookupPassInfo(intptr_t TI);
+  static const PassInfo *lookupPassInfo(const void *TI);
 
   // lookupPassInfo - Return the pass info object for the pass with the given
   // argument string, or null if it is not known.
@@ -200,7 +194,7 @@ public:
   /// don't have the class name available (use getAnalysisIfAvailable if you
   /// do), but it can tell you if you need to preserve the pass at least.
   ///
-  bool mustPreserveAnalysisID(const PassInfo *AnalysisID) const;
+  bool mustPreserveAnalysisID(char &AID) const;
 
   /// getAnalysis<AnalysisType>() - This function is used by subclasses to get
   /// to the analysis information that they claim to use by overriding the
@@ -213,10 +207,10 @@ public:
   AnalysisType &getAnalysis(Function &F); // Defined in PassAnalysisSupport.h
 
   template<typename AnalysisType>
-  AnalysisType &getAnalysisID(const PassInfo *PI) const;
+  AnalysisType &getAnalysisID(AnalysisID PI) const;
 
   template<typename AnalysisType>
-  AnalysisType &getAnalysisID(const PassInfo *PI, Function &F);
+  AnalysisType &getAnalysisID(AnalysisID PI, Function &F);
 };
 
 
@@ -240,8 +234,7 @@ public:
   ///  Return what kind of Pass Manager can manage this pass.
   virtual PassManagerType getPotentialPassManagerType() const;
 
-  explicit ModulePass(intptr_t pid) : Pass(PT_Module, pid) {}
-  explicit ModulePass(const void *pid) : Pass(PT_Module, pid) {}
+  explicit ModulePass(char &pid) : Pass(PT_Module, pid) {}
   // Force out-of-line virtual method.
   virtual ~ModulePass();
 };
@@ -268,8 +261,7 @@ public:
   ///
   bool runOnModule(Module &) { return false; }
 
-  explicit ImmutablePass(intptr_t pid) : ModulePass(pid) {}
-  explicit ImmutablePass(const void *pid) 
+  explicit ImmutablePass(char &pid) 
   : ModulePass(pid) {}
   
   // Force out-of-line virtual method.
@@ -287,8 +279,7 @@ public:
 ///
 class FunctionPass : public Pass {
 public:
-  explicit FunctionPass(intptr_t pid) : Pass(PT_Function, pid) {}
-  explicit FunctionPass(const void *pid) : Pass(PT_Function, pid) {}
+  explicit FunctionPass(char &pid) : Pass(PT_Function, pid) {}
 
   /// createPrinterPass - Get a function printer pass.
   Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;
@@ -340,8 +331,7 @@ public:
 ///
 class BasicBlockPass : public Pass {
 public:
-  explicit BasicBlockPass(intptr_t pid) : Pass(PT_BasicBlock, pid) {}
-  explicit BasicBlockPass(const void *pid) : Pass(PT_BasicBlock, pid) {}
+  explicit BasicBlockPass(char &pid) : Pass(PT_BasicBlock, pid) {}
 
   /// createPrinterPass - Get a function printer pass.
   Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const;

llvm/include/llvm/PassAnalysisSupport.h

@@ -49,34 +49,37 @@ public:
   // addRequired - Add the specified ID to the required set of the usage info
   // for a pass.
   //
-  AnalysisUsage &addRequiredID(AnalysisID ID);
+  AnalysisUsage &addRequiredID(const void *ID);
+  AnalysisUsage &addRequiredID(char &ID);
   template<class PassClass>
   AnalysisUsage &addRequired() {
-    return addRequiredID(Pass::getClassPassInfo<PassClass>());
+    return addRequiredID(PassClass::ID);
   }
 
-  AnalysisUsage &addRequiredTransitiveID(AnalysisID ID);
+  AnalysisUsage &addRequiredTransitiveID(char &ID);
   template<class PassClass>
   AnalysisUsage &addRequiredTransitive() {
-    AnalysisID ID = Pass::getClassPassInfo<PassClass>();
-    return addRequiredTransitiveID(ID);
+    return addRequiredTransitiveID(PassClass::ID);
   }
 
   // addPreserved - Add the specified ID to the set of analyses preserved by
   // this pass
   //
-  AnalysisUsage &addPreservedID(AnalysisID ID) {
+  AnalysisUsage &addPreservedID(const void *ID) {
     Preserved.push_back(ID);
     return *this;
   }
+  AnalysisUsage &addPreservedID(char &ID) {
+    Preserved.push_back(&ID);
+    return *this;
+  }
 
   // addPreserved - Add the specified Pass class to the set of analyses
   // preserved by this pass.
   //
   template<class PassClass>
   AnalysisUsage &addPreserved() {
-    assert(Pass::getClassPassInfo<PassClass>() && "Pass class not registered!");
-    Preserved.push_back(Pass::getClassPassInfo<PassClass>());
+    Preserved.push_back(&PassClass::ID);
     return *this;
   }
 
@@ -85,12 +88,7 @@ public:
   // This can be useful when a pass is trivially preserved, but may not be
   // linked in. Be careful about spelling!
   //
-  AnalysisUsage &addPreserved(StringRef Arg) {
-    const PassInfo *PI = Pass::lookupPassInfo(Arg);
-    // If the pass exists, preserve it. Otherwise silently do nothing.
-    if (PI) Preserved.push_back(PI);
-    return *this;
-  }
+  AnalysisUsage &addPreserved(StringRef Arg);
 
   // setPreservesAll - Set by analyses that do not transform their input at all
   void setPreservesAll() { PreservesAll = true; }
@@ -130,7 +128,7 @@ public:
   inline PMDataManager &getPMDataManager() { return PM; }
 
   // Find pass that is implementing PI.
-  Pass *findImplPass(const PassInfo *PI) {
+  Pass *findImplPass(AnalysisID PI) {
     Pass *ResultPass = 0;
     for (unsigned i = 0; i < AnalysisImpls.size() ; ++i) {
       if (AnalysisImpls[i].first == PI) {
@@ -142,10 +140,10 @@ public:
   }
 
   // Find pass that is implementing PI. Initialize pass for Function F.
-  Pass *findImplPass(Pass *P, const PassInfo *PI, Function &F);
+  Pass *findImplPass(Pass *P, AnalysisID PI, Function &F);
 
-  void addAnalysisImplsPair(const PassInfo *PI, Pass *P) {
-    std::pair<const PassInfo*, Pass*> pir = std::make_pair(PI,P);
+  void addAnalysisImplsPair(AnalysisID PI, Pass *P) {
+    std::pair<AnalysisID, Pass*> pir = std::make_pair(PI,P);
     AnalysisImpls.push_back(pir);
   }
 
@@ -160,7 +158,7 @@ public:
 
   // AnalysisImpls - This keeps track of which passes implements the interfaces
   // that are required by the current pass (to implement getAnalysis()).
-  std::vector<std::pair<const PassInfo*, Pass*> > AnalysisImpls;
+  std::vector<std::pair<AnalysisID, Pass*> > AnalysisImpls;
 
 private:
   // PassManager that is used to resolve analysis info
@@ -179,8 +177,7 @@ template<typename AnalysisType>
 AnalysisType *Pass::getAnalysisIfAvailable() const {
   assert(Resolver && "Pass not resident in a PassManager object!");
 
-  const PassInfo *PI = getClassPassInfo<AnalysisType>();
-  if (PI == 0) return 0;
+  const void *PI = &AnalysisType::ID;
 
   Pass *ResultPass = Resolver->getAnalysisIfAvailable(PI, true);
   if (ResultPass == 0) return 0;
@@ -199,11 +196,11 @@ AnalysisType *Pass::getAnalysisIfAvailable() const {
 template<typename AnalysisType>
 AnalysisType &Pass::getAnalysis() const {
   assert(Resolver && "Pass has not been inserted into a PassManager object!");
-  return getAnalysisID<AnalysisType>(getClassPassInfo<AnalysisType>());
+  return getAnalysisID<AnalysisType>(&AnalysisType::ID);
 }
 
 template<typename AnalysisType>
-AnalysisType &Pass::getAnalysisID(const PassInfo *PI) const {
+AnalysisType &Pass::getAnalysisID(AnalysisID PI) const {
   assert(PI && "getAnalysis for unregistered pass!");
   assert(Resolver&&"Pass has not been inserted into a PassManager object!");
   // PI *must* appear in AnalysisImpls.  Because the number of passes used
@@ -229,11 +226,11 @@ template<typename AnalysisType>
 AnalysisType &Pass::getAnalysis(Function &F) {
   assert(Resolver &&"Pass has not been inserted into a PassManager object!");
 
-  return getAnalysisID<AnalysisType>(getClassPassInfo<AnalysisType>(), F);
+  return getAnalysisID<AnalysisType>(&AnalysisType::ID, F);
 }
 
 template<typename AnalysisType>
-AnalysisType &Pass::getAnalysisID(const PassInfo *PI, Function &F) {
+AnalysisType &Pass::getAnalysisID(AnalysisID PI, Function &F) {
   assert(PI && "getAnalysis for unregistered pass!");
   assert(Resolver && "Pass has not been inserted into a PassManager object!");
   // PI *must* appear in AnalysisImpls.  Because the number of passes used

llvm/include/llvm/PassManagers.h

@@ -302,7 +302,7 @@ public:
   /// through getAnalysis interface.
   virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass);
 
-  virtual Pass *getOnTheFlyPass(Pass *P, const PassInfo *PI, Function &F);
+  virtual Pass *getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F);
 
   /// Initialize available analysis information.
   void initializeAnalysisInfo() { 
@@ -414,7 +414,7 @@ class FPPassManager : public ModulePass, public PMDataManager {
 public:
   static char ID;
   explicit FPPassManager(int Depth) 
-  : ModulePass(&ID), PMDataManager(Depth) { }
+  : ModulePass(ID), PMDataManager(Depth) { }
   
   /// run - Execute all of the passes scheduled for execution.  Keep track of
   /// whether any of the passes modifies the module, and if so, return true.

llvm/include/llvm/PassRegistry.h

@@ -34,7 +34,7 @@ class PassRegistry {
   mutable sys::SmartMutex<true> Lock;
   
   /// PassInfoMap - Keep track of the PassInfo object for each registered pass.
-  typedef std::map<intptr_t, const PassInfo*> MapType;
+  typedef std::map<const void*, const PassInfo*> MapType;
   MapType PassInfoMap;
   
   typedef StringMap<const PassInfo*> StringMapType;
@@ -51,14 +51,14 @@ class PassRegistry {
 public:
   static PassRegistry *getPassRegistry();
   
-  const PassInfo *getPassInfo(intptr_t TI) const;
+  const PassInfo *getPassInfo(const void *TI) const;
   const PassInfo *getPassInfo(StringRef Arg) const;
   
   void registerPass(const PassInfo &PI);
   void unregisterPass(const PassInfo &PI);
   
   /// Analysis Group Mechanisms.
-  void registerAnalysisGroup(intptr_t InterfaceID, intptr_t PassID,
+  void registerAnalysisGroup(const void *InterfaceID, const void *PassID,
                              PassInfo& Registeree, bool isDefault);
   
   void enumerateWith(PassRegistrationListener *L);

llvm/include/llvm/PassSupport.h

@@ -41,7 +41,7 @@ public:
 private:
   const char      *const PassName;     // Nice name for Pass
   const char      *const PassArgument; // Command Line argument to run this pass
-  const intptr_t  PassID;      
+  const void *PassID;      
   const bool IsCFGOnlyPass;            // Pass only looks at the CFG.
   const bool IsAnalysis;               // True if an analysis pass.
   const bool IsAnalysisGroup;          // True if an analysis group.
@@ -52,7 +52,7 @@ private:
 public:
   /// PassInfo ctor - Do not call this directly, this should only be invoked
   /// through RegisterPass.
-  PassInfo(const char *name, const char *arg, intptr_t pi,
+  PassInfo(const char *name, const char *arg, const void *pi,
            NormalCtor_t normal = 0,
            bool isCFGOnly = false, bool is_analysis = false)
     : PassName(name), PassArgument(arg), PassID(pi), 
@@ -63,7 +63,7 @@ public:
   /// PassInfo ctor - Do not call this directly, this should only be invoked
   /// through RegisterPass. This version is for use by analysis groups; it
   /// does not auto-register the pass.
-  PassInfo(const char *name, intptr_t pi)
+  PassInfo(const char *name, const void *pi)
     : PassName(name), PassArgument(""), PassID(pi), 
       IsCFGOnlyPass(false), 
       IsAnalysis(false), IsAnalysisGroup(true), NormalCtor(0) {
@@ -81,11 +81,11 @@ public:
 
   /// getTypeInfo - Return the id object for the pass...
   /// TODO : Rename
-  intptr_t getTypeInfo() const { return PassID; }
+  const void *getTypeInfo() const { return PassID; }
 
   /// Return true if this PassID implements the specified ID pointer.
-  bool isPassID(void *IDPtr) const {
-    return PassID == (intptr_t)IDPtr;
+  bool isPassID(const void *IDPtr) const {
+    return PassID == IDPtr;
   }
   
   /// isAnalysisGroup - Return true if this is an analysis group, not a normal
@@ -161,7 +161,7 @@ struct RegisterPass : public PassInfo {
   // Register Pass using default constructor...
   RegisterPass(const char *PassArg, const char *Name, bool CFGOnly = false,
                bool is_analysis = false)
-    : PassInfo(Name, PassArg, intptr_t(&passName::ID),
+    : PassInfo(Name, PassArg, &passName::ID,
                PassInfo::NormalCtor_t(callDefaultCtor<passName>),
                CFGOnly, is_analysis) {
     
@@ -191,8 +191,8 @@ struct RegisterPass : public PassInfo {
 class RegisterAGBase : public PassInfo {
 protected:
   RegisterAGBase(const char *Name,
-                 intptr_t InterfaceID,
-                 intptr_t PassID = 0,
+                 const void *InterfaceID,
+                 const void *PassID = 0,
                  bool isDefault = false);
 };
 
@@ -200,12 +200,12 @@ template<typename Interface, bool Default = false>
 struct RegisterAnalysisGroup : public RegisterAGBase {
   explicit RegisterAnalysisGroup(PassInfo &RPB)
     : RegisterAGBase(RPB.getPassName(),
-                     intptr_t(&Interface::ID), RPB.getTypeInfo(),
+                     &Interface::ID, RPB.getTypeInfo(),
                      Default) {
   }
 
   explicit RegisterAnalysisGroup(const char *Name)
-    : RegisterAGBase(Name, intptr_t(&Interface::ID)) {
+    : RegisterAGBase(Name, &Interface::ID) {
   }
 };
 

llvm/include/llvm/Target/TargetData.h

@@ -110,7 +110,7 @@ public:
   
   /// Constructs a TargetData from a specification string. See init().
   explicit TargetData(StringRef TargetDescription)
-    : ImmutablePass(&ID) {
+    : ImmutablePass(ID) {
     init(TargetDescription);
   }
 
@@ -118,7 +118,7 @@ public:
   explicit TargetData(const Module *M);
 
   TargetData(const TargetData &TD) :
-    ImmutablePass(&ID),
+    ImmutablePass(ID),
     LittleEndian(TD.isLittleEndian()),
     PointerMemSize(TD.PointerMemSize),
     PointerABIAlign(TD.PointerABIAlign),

llvm/include/llvm/Transforms/IPO/InlinerPass.h

@@ -30,8 +30,8 @@ namespace llvm {
 /// perform the inlining operations that do not depend on the policy.
 ///
 struct Inliner : public CallGraphSCCPass {
-  explicit Inliner(void *ID);
-  explicit Inliner(void *ID, int Threshold);
+  explicit Inliner(char &ID);
+  explicit Inliner(char &ID, int Threshold);
 
   /// getAnalysisUsage - For this class, we declare that we require and preserve
   /// the call graph.  If the derived class implements this method, it should

llvm/include/llvm/Transforms/Scalar.h

@@ -149,7 +149,7 @@ Pass *createLoopIndexSplitPass();
 //   ret i32 %Y
 //
 FunctionPass *createPromoteMemoryToRegisterPass();
-extern const PassInfo *const PromoteMemoryToRegisterID;
+extern char &PromoteMemoryToRegisterID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -158,7 +158,7 @@ extern const PassInfo *const PromoteMemoryToRegisterID;
 // hacking easier.
 //
 FunctionPass *createDemoteRegisterToMemoryPass();
-extern const PassInfo *const DemoteRegisterToMemoryID;
+extern char &DemoteRegisterToMemoryID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -202,7 +202,7 @@ FunctionPass *createCFGSimplificationPass();
 // (set, immediate dominators, tree, and frontier) information.
 //
 FunctionPass *createBreakCriticalEdgesPass();
-extern const PassInfo *const BreakCriticalEdgesID;
+extern char &BreakCriticalEdgesID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -213,7 +213,7 @@ extern const PassInfo *const BreakCriticalEdgesID;
 //   AU.addRequiredID(LoopSimplifyID);
 //
 Pass *createLoopSimplifyPass();
-extern const PassInfo *const LoopSimplifyID;
+extern char &LoopSimplifyID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -228,7 +228,7 @@ FunctionPass *createTailCallEliminationPass();
 // chained binary branch instructions.
 //
 FunctionPass *createLowerSwitchPass();
-extern const PassInfo *const LowerSwitchID;
+extern char &LowerSwitchID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -243,7 +243,7 @@ extern const PassInfo *const LowerSwitchID;
 FunctionPass *createLowerInvokePass(const TargetLowering *TLI = 0);
 FunctionPass *createLowerInvokePass(const TargetLowering *TLI,
                                     bool useExpensiveEHSupport);
-extern const PassInfo *const LowerInvokePassID;
+extern char &LowerInvokePassID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -258,7 +258,7 @@ FunctionPass *createBlockPlacementPass();
 // optimizations.
 //
 Pass *createLCSSAPass();
-extern const PassInfo *const LCSSAID;
+extern char &LCSSAID;
 
 //===----------------------------------------------------------------------===//
 //
@@ -304,7 +304,7 @@ FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);
 // InstructionNamer - Give any unnamed non-void instructions "tmp" names.
 //
 FunctionPass *createInstructionNamerPass();
-extern const PassInfo *const InstructionNamerID;
+extern char &InstructionNamerID;
   
 //===----------------------------------------------------------------------===//
 //

llvm/include/llvm/Transforms/Utils/SSI.h

@@ -39,7 +39,7 @@ namespace llvm {
     public:
       static char ID; // Pass identification, replacement for typeid.
       SSI() :
-        FunctionPass(&ID) {
+        FunctionPass(ID) {
       }
 
       void getAnalysisUsage(AnalysisUsage &AU) const;

llvm/include/llvm/Transforms/Utils/UnifyFunctionExitNodes.h

@@ -26,7 +26,7 @@ struct UnifyFunctionExitNodes : public FunctionPass {
   BasicBlock *ReturnBlock, *UnwindBlock, *UnreachableBlock;
 public:
   static char ID; // Pass identification, replacement for typeid
-  UnifyFunctionExitNodes() : FunctionPass(&ID),
+  UnifyFunctionExitNodes() : FunctionPass(ID),
                              ReturnBlock(0), UnwindBlock(0) {}
 
   // We can preserve non-critical-edgeness when we unify function exit nodes

llvm/lib/Analysis/AliasAnalysisCounter.cpp

@@ -34,7 +34,7 @@ namespace {
     Module *M;
   public:
     static char ID; // Class identification, replacement for typeinfo
-    AliasAnalysisCounter() : ModulePass(&ID) {
+    AliasAnalysisCounter() : ModulePass(ID) {
       No = May = Must = 0;
       NoMR = JustRef = JustMod = MR = 0;
     }
@@ -87,8 +87,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Analysis/AliasAnalysisEvaluator.cpp

@@ -50,7 +50,7 @@ namespace {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    AAEval() : FunctionPass(&ID) {}
+    AAEval() : FunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<AliasAnalysis>();

llvm/lib/Analysis/AliasDebugger.cpp

@@ -39,7 +39,7 @@ namespace {
     
   public:
     static char ID; // Class identification, replacement for typeinfo
-    AliasDebugger() : ModulePass(&ID) {}
+    AliasDebugger() : ModulePass(ID) {}
 
     bool runOnModule(Module &M) {
       InitializeAliasAnalysis(this);                 // set up super class
@@ -83,8 +83,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Analysis/AliasSetTracker.cpp

@@ -579,7 +579,7 @@ namespace {
     AliasSetTracker *Tracker;
   public:
     static char ID; // Pass identification, replacement for typeid
-    AliasSetPrinter() : FunctionPass(&ID) {}
+    AliasSetPrinter() : FunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesAll();

llvm/lib/Analysis/BasicAliasAnalysis.cpp

@@ -137,8 +137,8 @@ namespace {
   ///
   struct NoAA : public ImmutablePass, public AliasAnalysis {
     static char ID; // Class identification, replacement for typeinfo
-    NoAA() : ImmutablePass(&ID) {}
-    explicit NoAA(void *PID) : ImmutablePass(PID) { }
+    NoAA() : ImmutablePass(ID) {}
+    explicit NoAA(char &PID) : ImmutablePass(PID) { }
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
     }
@@ -169,8 +169,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it should
     /// override this to adjust the this pointer as needed for the specified pass
     /// info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI ==  &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }
@@ -215,7 +215,7 @@ namespace {
   /// derives from the NoAA class.
   struct BasicAliasAnalysis : public NoAA {
     static char ID; // Class identification, replacement for typeinfo
-    BasicAliasAnalysis() : NoAA(&ID) {}
+    BasicAliasAnalysis() : NoAA(ID) {}
 
     AliasResult alias(const Value *V1, unsigned V1Size,
                       const Value *V2, unsigned V2Size) {
@@ -240,8 +240,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it should
     /// override this to adjust the this pointer as needed for the specified pass
     /// info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Analysis/CFGPrinter.cpp

@@ -25,7 +25,7 @@ using namespace llvm;
 namespace {
   struct CFGViewer : public FunctionPass {
     static char ID; // Pass identifcation, replacement for typeid
-    CFGViewer() : FunctionPass(&ID) {}
+    CFGViewer() : FunctionPass(ID) {}
 
     virtual bool runOnFunction(Function &F) {
       F.viewCFG();
@@ -46,7 +46,7 @@ INITIALIZE_PASS(CFGViewer, "view-cfg", "View CFG of function", false, true);
 namespace {
   struct CFGOnlyViewer : public FunctionPass {
     static char ID; // Pass identifcation, replacement for typeid
-    CFGOnlyViewer() : FunctionPass(&ID) {}
+    CFGOnlyViewer() : FunctionPass(ID) {}
 
     virtual bool runOnFunction(Function &F) {
       F.viewCFGOnly();
@@ -68,8 +68,8 @@ INITIALIZE_PASS(CFGOnlyViewer, "view-cfg-only",
 namespace {
   struct CFGPrinter : public FunctionPass {
     static char ID; // Pass identification, replacement for typeid
-    CFGPrinter() : FunctionPass(&ID) {}
-    explicit CFGPrinter(void *pid) : FunctionPass(pid) {}
+    CFGPrinter() : FunctionPass(ID) {}
+    explicit CFGPrinter(char &pid) : FunctionPass(pid) {}
 
     virtual bool runOnFunction(Function &F) {
       std::string Filename = "cfg." + F.getNameStr() + ".dot";
@@ -101,8 +101,8 @@ P1("dot-cfg", "Print CFG of function to 'dot' file", false, true);
 namespace {
   struct CFGOnlyPrinter : public FunctionPass {
     static char ID; // Pass identification, replacement for typeid
-    CFGOnlyPrinter() : FunctionPass(&ID) {}
-    explicit CFGOnlyPrinter(void *pid) : FunctionPass(pid) {}
+    CFGOnlyPrinter() : FunctionPass(ID) {}
+    explicit CFGOnlyPrinter(char &pid) : FunctionPass(pid) {}
     virtual bool runOnFunction(Function &F) {
       std::string Filename = "cfg." + F.getNameStr() + ".dot";
       errs() << "Writing '" << Filename << "'...";

llvm/lib/Analysis/DbgInfoPrinter.cpp

@@ -40,7 +40,7 @@ namespace {
     void printVariableDeclaration(const Value *V);
   public:
     static char ID; // Pass identification
-    PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
+    PrintDbgInfo() : FunctionPass(ID), Out(outs()) {}
 
     virtual bool runOnFunction(Function &F);
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {

llvm/lib/Analysis/DomPrinter.cpp

@@ -86,27 +86,27 @@ namespace {
 struct DomViewer
   : public DOTGraphTraitsViewer<DominatorTree, false> {
   static char ID;
-  DomViewer() : DOTGraphTraitsViewer<DominatorTree, false>("dom", &ID){}
+  DomViewer() : DOTGraphTraitsViewer<DominatorTree, false>("dom", ID){}
 };
 
 struct DomOnlyViewer
   : public DOTGraphTraitsViewer<DominatorTree, true> {
   static char ID;
-  DomOnlyViewer() : DOTGraphTraitsViewer<DominatorTree, true>("domonly", &ID){}
+  DomOnlyViewer() : DOTGraphTraitsViewer<DominatorTree, true>("domonly", ID){}
 };
 
 struct PostDomViewer
   : public DOTGraphTraitsViewer<PostDominatorTree, false> {
   static char ID;
   PostDomViewer() :
-    DOTGraphTraitsViewer<PostDominatorTree, false>("postdom", &ID){}
+    DOTGraphTraitsViewer<PostDominatorTree, false>("postdom", ID){}
 };
 
 struct PostDomOnlyViewer
   : public DOTGraphTraitsViewer<PostDominatorTree, true> {
   static char ID;
   PostDomOnlyViewer() :
-    DOTGraphTraitsViewer<PostDominatorTree, true>("postdomonly", &ID){}
+    DOTGraphTraitsViewer<PostDominatorTree, true>("postdomonly", ID){}
 };
 } // end anonymous namespace
 
@@ -133,27 +133,27 @@ namespace {
 struct DomPrinter
   : public DOTGraphTraitsPrinter<DominatorTree, false> {
   static char ID;
-  DomPrinter() : DOTGraphTraitsPrinter<DominatorTree, false>("dom", &ID) {}
+  DomPrinter() : DOTGraphTraitsPrinter<DominatorTree, false>("dom", ID) {}
 };
 
 struct DomOnlyPrinter
   : public DOTGraphTraitsPrinter<DominatorTree, true> {
   static char ID;
-  DomOnlyPrinter() : DOTGraphTraitsPrinter<DominatorTree, true>("domonly", &ID) {}
+  DomOnlyPrinter() : DOTGraphTraitsPrinter<DominatorTree, true>("domonly", ID) {}
 };
 
 struct PostDomPrinter
   : public DOTGraphTraitsPrinter<PostDominatorTree, false> {
   static char ID;
   PostDomPrinter() :
-    DOTGraphTraitsPrinter<PostDominatorTree, false>("postdom", &ID) {}
+    DOTGraphTraitsPrinter<PostDominatorTree, false>("postdom", ID) {}
 };
 
 struct PostDomOnlyPrinter
   : public DOTGraphTraitsPrinter<PostDominatorTree, true> {
   static char ID;
   PostDomOnlyPrinter() :
-    DOTGraphTraitsPrinter<PostDominatorTree, true>("postdomonly", &ID) {}
+    DOTGraphTraitsPrinter<PostDominatorTree, true>("postdomonly", ID) {}
 };
 } // end anonymous namespace
 

llvm/lib/Analysis/IPA/CallGraph.cpp

@@ -42,7 +42,7 @@ class BasicCallGraph : public ModulePass, public CallGraph {
 
 public:
   static char ID; // Class identification, replacement for typeinfo
-  BasicCallGraph() : ModulePass(&ID), Root(0), 
+  BasicCallGraph() : ModulePass(ID), Root(0), 
     ExternalCallingNode(0), CallsExternalNode(0) {}
 
   // runOnModule - Compute the call graph for the specified module.
@@ -86,8 +86,8 @@ public:
   /// an analysis interface through multiple inheritance.  If needed, it should
   /// override this to adjust the this pointer as needed for the specified pass
   /// info.
-  virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-    if (PI->isPassID(&CallGraph::ID))
+  virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+    if (PI == &CallGraph::ID)
       return (CallGraph*)this;
     return this;
   }

llvm/lib/Analysis/IPA/CallGraphSCCPass.cpp

@@ -45,7 +45,7 @@ class CGPassManager : public ModulePass, public PMDataManager {
 public:
   static char ID;
   explicit CGPassManager(int Depth) 
-    : ModulePass(&ID), PMDataManager(Depth) { }
+    : ModulePass(ID), PMDataManager(Depth) { }
 
   /// run - Execute all of the passes scheduled for execution.  Keep track of
   /// whether any of the passes modifies the module, and if so, return true.
@@ -582,9 +582,9 @@ namespace {
     
   public:
     static char ID;
-    PrintCallGraphPass() : CallGraphSCCPass(&ID), Out(dbgs()) {}
+    PrintCallGraphPass() : CallGraphSCCPass(ID), Out(dbgs()) {}
     PrintCallGraphPass(const std::string &B, raw_ostream &o)
-      : CallGraphSCCPass(&ID), Banner(B), Out(o) {}
+      : CallGraphSCCPass(ID), Banner(B), Out(o) {}
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesAll();

llvm/lib/Analysis/IPA/GlobalsModRef.cpp

@@ -88,7 +88,7 @@ namespace {
 
   public:
     static char ID;
-    GlobalsModRef() : ModulePass(&ID) {}
+    GlobalsModRef() : ModulePass(ID) {}
 
     bool runOnModule(Module &M) {
       InitializeAliasAnalysis(this);                 // set up super class
@@ -150,8 +150,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Analysis/IVUsers.cpp

@@ -140,7 +140,7 @@ IVStrideUse &IVUsers::AddUser(Instruction *User, Value *Operand) {
 }
 
 IVUsers::IVUsers()
- : LoopPass(&ID) {
+ : LoopPass(ID) {
 }
 
 void IVUsers::getAnalysisUsage(AnalysisUsage &AU) const {

llvm/lib/Analysis/InstCount.cpp

@@ -51,7 +51,7 @@ namespace {
     }
   public:
     static char ID; // Pass identification, replacement for typeid
-    InstCount() : FunctionPass(&ID) {}
+    InstCount() : FunctionPass(ID) {}
 
     virtual bool runOnFunction(Function &F);
 

llvm/lib/Analysis/IntervalPartition.cpp

@@ -91,7 +91,7 @@ bool IntervalPartition::runOnFunction(Function &F) {
 // distinguish it from a copy constructor.  Always pass in false for now.
 //
 IntervalPartition::IntervalPartition(IntervalPartition &IP, bool)
-  : FunctionPass(&ID) {
+  : FunctionPass(ID) {
   assert(IP.getRootInterval() && "Cannot operate on empty IntervalPartitions!");
 
   // Pass false to intervals_begin because we take ownership of it's memory

llvm/lib/Analysis/Lint.cpp

@@ -108,7 +108,7 @@ namespace {
     raw_string_ostream MessagesStr;
 
     static char ID; // Pass identification, replacement for typeid
-    Lint() : FunctionPass(&ID), MessagesStr(Messages) {}
+    Lint() : FunctionPass(ID), MessagesStr(Messages) {}
 
     virtual bool runOnFunction(Function &F);
 

llvm/lib/Analysis/LiveValues.cpp

@@ -25,7 +25,7 @@ char LiveValues::ID = 0;
 INITIALIZE_PASS(LiveValues, "live-values",
                 "Value Liveness Analysis", false, true);
 
-LiveValues::LiveValues() : FunctionPass(&ID) {}
+LiveValues::LiveValues() : FunctionPass(ID) {}
 
 void LiveValues::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addRequired<DominatorTree>();

llvm/lib/Analysis/LoopPass.cpp

@@ -30,9 +30,9 @@ private:
 
 public:
   static char ID;
-  PrintLoopPass() : LoopPass(&ID), Out(dbgs()) {}
+  PrintLoopPass() : LoopPass(ID), Out(dbgs()) {}
   PrintLoopPass(const std::string &B, raw_ostream &o)
-      : LoopPass(&ID), Banner(B), Out(o) {}
+      : LoopPass(ID), Banner(B), Out(o) {}
 
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
     AU.setPreservesAll();
@@ -59,7 +59,7 @@ char PrintLoopPass::ID = 0;
 char LPPassManager::ID = 0;
 
 LPPassManager::LPPassManager(int Depth) 
-  : FunctionPass(&ID), PMDataManager(Depth) { 
+  : FunctionPass(ID), PMDataManager(Depth) { 
   skipThisLoop = false;
   redoThisLoop = false;
   LI = NULL;

llvm/lib/Analysis/MemoryDependenceAnalysis.cpp

@@ -50,7 +50,7 @@ INITIALIZE_PASS(MemoryDependenceAnalysis, "memdep",
                 "Memory Dependence Analysis", false, true);
 
 MemoryDependenceAnalysis::MemoryDependenceAnalysis()
-: FunctionPass(&ID), PredCache(0) {
+: FunctionPass(ID), PredCache(0) {
 }
 MemoryDependenceAnalysis::~MemoryDependenceAnalysis() {
 }

llvm/lib/Analysis/ModuleDebugInfoPrinter.cpp

@@ -30,7 +30,7 @@ namespace {
     DebugInfoFinder Finder;
   public:
     static char ID; // Pass identification, replacement for typeid
-    ModuleDebugInfoPrinter() : ModulePass(&ID) {}
+    ModuleDebugInfoPrinter() : ModulePass(ID) {}
 
     virtual bool runOnModule(Module &M);
 

llvm/lib/Analysis/PointerTracking.cpp

@@ -28,7 +28,7 @@
 using namespace llvm;
 
 char PointerTracking::ID = 0;
-PointerTracking::PointerTracking() : FunctionPass(&ID) {}
+PointerTracking::PointerTracking() : FunctionPass(ID) {}
 
 bool PointerTracking::runOnFunction(Function &F) {
   predCache.clear();

llvm/lib/Analysis/ProfileEstimatorPass.cpp

@@ -39,7 +39,7 @@ namespace {
   public:
     static char ID; // Class identification, replacement for typeinfo
     explicit ProfileEstimatorPass(const double execcount = 0)
-      : FunctionPass(&ID), ExecCount(execcount) {
+      : FunctionPass(ID), ExecCount(execcount) {
       if (execcount == 0) ExecCount = LoopWeight;
     }
 
@@ -59,8 +59,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&ProfileInfo::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &ProfileInfo::ID)
         return (ProfileInfo*)this;
       return this;
     }
@@ -78,7 +78,7 @@ X("profile-estimator", "Estimate profiling information", false, true);
 static RegisterAnalysisGroup<ProfileInfo> Y(X);
 
 namespace llvm {
-  const PassInfo *ProfileEstimatorPassID = &X;
+  char &ProfileEstimatorPassID = ProfileEstimatorPass::ID;
 
   FunctionPass *createProfileEstimatorPass() {
     return new ProfileEstimatorPass();

llvm/lib/Analysis/ProfileInfo.cpp

@@ -1076,14 +1076,14 @@ raw_ostream& operator<<(raw_ostream &O, std::pair<const MachineBasicBlock *, con
 namespace {
   struct NoProfileInfo : public ImmutablePass, public ProfileInfo {
     static char ID; // Class identification, replacement for typeinfo
-    NoProfileInfo() : ImmutablePass(&ID) {}
+    NoProfileInfo() : ImmutablePass(ID) {}
     
     /// getAdjustedAnalysisPointer - This method is used when a pass implements
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&ProfileInfo::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &ProfileInfo::ID)
         return (ProfileInfo*)this;
       return this;
     }

llvm/lib/Analysis/ProfileInfoLoaderPass.cpp

@@ -45,7 +45,7 @@ namespace {
   public:
     static char ID; // Class identification, replacement for typeinfo
     explicit LoaderPass(const std::string &filename = "")
-      : ModulePass(&ID), Filename(filename) {
+      : ModulePass(ID), Filename(filename) {
       if (filename.empty()) Filename = ProfileInfoFilename;
     }
 
@@ -67,8 +67,8 @@ namespace {
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&ProfileInfo::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &ProfileInfo::ID)
         return (ProfileInfo*)this;
       return this;
     }
@@ -84,7 +84,7 @@ X("profile-loader", "Load profile information from llvmprof.out", false, true);
 
 static RegisterAnalysisGroup<ProfileInfo> Y(X);
 
-const PassInfo *llvm::ProfileLoaderPassID = &X;
+char &llvm::ProfileLoaderPassID = LoaderPass::ID;
 
 ModulePass *llvm::createProfileLoaderPass() { return new LoaderPass(); }
 

llvm/lib/Analysis/ProfileVerifierPass.cpp

@@ -59,10 +59,10 @@ namespace llvm {
   public:
     static char ID; // Class identification, replacement for typeinfo
 
-    explicit ProfileVerifierPassT () : FunctionPass(&ID) {
+    explicit ProfileVerifierPassT () : FunctionPass(ID) {
       DisableAssertions = ProfileVerifierDisableAssertions;
     }
-    explicit ProfileVerifierPassT (bool da) : FunctionPass(&ID), 
+    explicit ProfileVerifierPassT (bool da) : FunctionPass(ID), 
                                               DisableAssertions(da) {
     }
 

llvm/lib/Analysis/RegionInfo.cpp

@@ -589,7 +589,7 @@ void RegionInfo::releaseMemory() {
   TopLevelRegion = 0;
 }
 
-RegionInfo::RegionInfo() : FunctionPass(&ID) {
+RegionInfo::RegionInfo() : FunctionPass(ID) {
   TopLevelRegion = 0;
 }
 

llvm/lib/Analysis/RegionPrinter.cpp

@@ -121,7 +121,7 @@ namespace {
 struct RegionViewer
   : public DOTGraphTraitsViewer<RegionInfo, false> {
   static char ID;
-  RegionViewer() : DOTGraphTraitsViewer<RegionInfo, false>("reg", &ID){}
+  RegionViewer() : DOTGraphTraitsViewer<RegionInfo, false>("reg", ID){}
 };
 
 char RegionViewer::ID = 0;
@@ -131,7 +131,7 @@ INITIALIZE_PASS(RegionViewer, "view-regions", "View regions of function",
 struct RegionOnlyViewer
   : public DOTGraphTraitsViewer<RegionInfo, true> {
   static char ID;
-  RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfo, true>("regonly", &ID){}
+  RegionOnlyViewer() : DOTGraphTraitsViewer<RegionInfo, true>("regonly", ID){}
 };
 
 char RegionOnlyViewer::ID = 0;
@@ -143,7 +143,7 @@ struct RegionPrinter
   : public DOTGraphTraitsPrinter<RegionInfo, false> {
   static char ID;
   RegionPrinter() :
-    DOTGraphTraitsPrinter<RegionInfo, false>("reg", &ID) {}
+    DOTGraphTraitsPrinter<RegionInfo, false>("reg", ID) {}
 };
 } //end anonymous namespace
 
@@ -157,7 +157,7 @@ struct RegionOnlyPrinter
   : public DOTGraphTraitsPrinter<RegionInfo, true> {
   static char ID;
   RegionOnlyPrinter() :
-    DOTGraphTraitsPrinter<RegionInfo, true>("reg", &ID) {}
+    DOTGraphTraitsPrinter<RegionInfo, true>("reg", ID) {}
 };
 
 }

llvm/lib/Analysis/ScalarEvolution.cpp

@@ -5742,7 +5742,7 @@ ScalarEvolution::SCEVCallbackVH::SCEVCallbackVH(Value *V, ScalarEvolution *se)
 //===----------------------------------------------------------------------===//
 
 ScalarEvolution::ScalarEvolution()
-  : FunctionPass(&ID), FirstUnknown(0) {
+  : FunctionPass(ID), FirstUnknown(0) {
 }
 
 bool ScalarEvolution::runOnFunction(Function &F) {

llvm/lib/Analysis/ScalarEvolutionAliasAnalysis.cpp

@@ -34,14 +34,14 @@ namespace {
 
   public:
     static char ID; // Class identification, replacement for typeinfo
-    ScalarEvolutionAliasAnalysis() : FunctionPass(&ID), SE(0) {}
+    ScalarEvolutionAliasAnalysis() : FunctionPass(ID), SE(0) {}
 
     /// getAdjustedAnalysisPointer - This method is used when a pass implements
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(AnalysisID PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Analysis/TypeBasedAliasAnalysis.cpp

@@ -82,14 +82,14 @@ namespace {
                                  public AliasAnalysis {
   public:
     static char ID; // Class identification, replacement for typeinfo
-    TypeBasedAliasAnalysis() : ImmutablePass(&ID) {}
+    TypeBasedAliasAnalysis() : ImmutablePass(ID) {}
 
     /// getAdjustedAnalysisPointer - This method is used when a pass implements
     /// an analysis interface through multiple inheritance.  If needed, it
     /// should override this to adjust the this pointer as needed for the
     /// specified pass info.
-    virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
-      if (PI->isPassID(&AliasAnalysis::ID))
+    virtual void *getAdjustedAnalysisPointer(const void *PI) {
+      if (PI == &AliasAnalysis::ID)
         return (AliasAnalysis*)this;
       return this;
     }

llvm/lib/Bitcode/Writer/BitcodeWriterPass.cpp

@@ -21,7 +21,7 @@ namespace {
   public:
     static char ID; // Pass identification, replacement for typeid
     explicit WriteBitcodePass(raw_ostream &o)
-      : ModulePass(&ID), OS(o) {}
+      : ModulePass(ID), OS(o) {}
     
     const char *getPassName() const { return "Bitcode Writer"; }
     

llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp

@@ -91,7 +91,7 @@ static unsigned getGVAlignmentLog2(const GlobalValue *GV, const TargetData &TD,
 
 
 AsmPrinter::AsmPrinter(TargetMachine &tm, MCStreamer &Streamer)
-  : MachineFunctionPass(&ID),
+  : MachineFunctionPass(ID),
     TM(tm), MAI(tm.getMCAsmInfo()),
     OutContext(Streamer.getContext()),
     OutStreamer(Streamer),

llvm/lib/CodeGen/BranchFolding.cpp

@@ -65,7 +65,7 @@ namespace {
   public:
     static char ID;
     explicit BranchFolderPass(bool defaultEnableTailMerge)
-      : MachineFunctionPass(&ID), BranchFolder(defaultEnableTailMerge) {}
+      : MachineFunctionPass(ID), BranchFolder(defaultEnableTailMerge) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     virtual const char *getPassName() const { return "Control Flow Optimizer"; }

llvm/lib/CodeGen/CodePlacementOpt.cpp

@@ -36,7 +36,7 @@ namespace {
 
   public:
     static char ID;
-    CodePlacementOpt() : MachineFunctionPass(&ID) {}
+    CodePlacementOpt() : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     virtual const char *getPassName() const {

llvm/lib/CodeGen/DeadMachineInstructionElim.cpp

@@ -36,7 +36,7 @@ namespace {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    DeadMachineInstructionElim() : MachineFunctionPass(&ID) {}
+    DeadMachineInstructionElim() : MachineFunctionPass(ID) {}
 
   private:
     bool isDead(const MachineInstr *MI) const;

llvm/lib/CodeGen/DwarfEHPrepare.cpp

@@ -160,7 +160,7 @@ namespace {
   public:
     static char ID; // Pass identification, replacement for typeid.
     DwarfEHPrepare(const TargetMachine *tm, bool fast) :
-      FunctionPass(&ID), TM(tm), TLI(TM->getTargetLowering()),
+      FunctionPass(ID), TM(tm), TLI(TM->getTargetLowering()),
       CompileFast(fast),
       ExceptionValueIntrinsic(0), SelectorIntrinsic(0),
       URoR(0), EHCatchAllValue(0), RewindFunction(0) {}

llvm/lib/CodeGen/ELFWriter.cpp

@@ -63,7 +63,7 @@ char ELFWriter::ID = 0;
 //===----------------------------------------------------------------------===//
 
 ELFWriter::ELFWriter(raw_ostream &o, TargetMachine &tm)
-  : MachineFunctionPass(&ID), O(o), TM(tm),
+  : MachineFunctionPass(ID), O(o), TM(tm),
     OutContext(*new MCContext(*TM.getMCAsmInfo())),
     TLOF(TM.getTargetLowering()->getObjFileLowering()),
     is64Bit(TM.getTargetData()->getPointerSizeInBits() == 64),

llvm/lib/CodeGen/GCMetadata.cpp

@@ -30,8 +30,8 @@ namespace {
     raw_ostream &OS;
     
   public:
-    Printer() : FunctionPass(&ID), OS(errs()) {}
-    explicit Printer(raw_ostream &OS) : FunctionPass(&ID), OS(OS) {}
+    Printer() : FunctionPass(ID), OS(errs()) {}
+    explicit Printer(raw_ostream &OS) : FunctionPass(ID), OS(OS) {}
 
     
     const char *getPassName() const;
@@ -70,7 +70,7 @@ GCFunctionInfo::~GCFunctionInfo() {}
 char GCModuleInfo::ID = 0;
 
 GCModuleInfo::GCModuleInfo()
-  : ImmutablePass(&ID) {}
+  : ImmutablePass(ID) {}
 
 GCModuleInfo::~GCModuleInfo() {
   clear();
@@ -189,7 +189,7 @@ FunctionPass *llvm::createGCInfoDeleter() {
   return new Deleter();
 }
 
-Deleter::Deleter() : FunctionPass(&ID) {}
+Deleter::Deleter() : FunctionPass(ID) {}
 
 const char *Deleter::getPassName() const {
   return "Delete Garbage Collector Information";

llvm/lib/CodeGen/GCStrategy.cpp

@@ -130,7 +130,7 @@ FunctionPass *llvm::createGCLoweringPass() {
 char LowerIntrinsics::ID = 0;
 
 LowerIntrinsics::LowerIntrinsics()
-  : FunctionPass(&ID) {}
+  : FunctionPass(ID) {}
 
 const char *LowerIntrinsics::getPassName() const {
   return "Lower Garbage Collection Instructions";
@@ -318,7 +318,7 @@ FunctionPass *llvm::createGCMachineCodeAnalysisPass() {
 char MachineCodeAnalysis::ID = 0;
 
 MachineCodeAnalysis::MachineCodeAnalysis()
-  : MachineFunctionPass(&ID) {}
+  : MachineFunctionPass(ID) {}
 
 const char *MachineCodeAnalysis::getPassName() const {
   return "Analyze Machine Code For Garbage Collection";

llvm/lib/CodeGen/IfConversion.cpp

@@ -154,7 +154,7 @@ namespace {
     int FnNum;
   public:
     static char ID;
-    IfConverter() : MachineFunctionPass(&ID), FnNum(-1) {}
+    IfConverter() : MachineFunctionPass(ID), FnNum(-1) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     virtual const char *getPassName() const { return "If Converter"; }

llvm/lib/CodeGen/LowerSubregs.cpp

@@ -36,7 +36,7 @@ namespace {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    LowerSubregsInstructionPass() : MachineFunctionPass(&ID) {}
+    LowerSubregsInstructionPass() : MachineFunctionPass(ID) {}
     
     const char *getPassName() const {
       return "Subregister lowering instruction pass";

llvm/lib/CodeGen/MachineCSE.cpp

@@ -41,7 +41,7 @@ namespace {
     MachineRegisterInfo *MRI;
   public:
     static char ID; // Pass identification
-    MachineCSE() : MachineFunctionPass(&ID), LookAheadLimit(5), CurrVN(0) {}
+    MachineCSE() : MachineFunctionPass(ID), LookAheadLimit(5), CurrVN(0) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     

llvm/lib/CodeGen/MachineDominators.cpp

@@ -27,7 +27,7 @@ char MachineDominatorTree::ID = 0;
 static RegisterPass<MachineDominatorTree>
 E("machinedomtree", "MachineDominator Tree Construction", true);
 
-const PassInfo *const llvm::MachineDominatorsID = &E;
+char &llvm::MachineDominatorsID = MachineDominatorTree::ID;
 
 void MachineDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesAll();
@@ -41,7 +41,7 @@ bool MachineDominatorTree::runOnMachineFunction(MachineFunction &F) {
 }
 
 MachineDominatorTree::MachineDominatorTree()
-    : MachineFunctionPass(&ID) {
+    : MachineFunctionPass(ID) {
   DT = new DominatorTreeBase<MachineBasicBlock>(false);
 }
 

llvm/lib/CodeGen/MachineFunctionAnalysis.cpp

@@ -20,14 +20,14 @@ using namespace llvm;
 // a default constructor.
 static PassInfo
 X("Machine Function Analysis", "machine-function-analysis",
-  intptr_t(&MachineFunctionAnalysis::ID), 0,
+   &MachineFunctionAnalysis::ID, 0,
   /*CFGOnly=*/false, /*is_analysis=*/true);
 
 char MachineFunctionAnalysis::ID = 0;
 
 MachineFunctionAnalysis::MachineFunctionAnalysis(const TargetMachine &tm,
                                                  CodeGenOpt::Level OL) :
-  FunctionPass(&ID), TM(tm), OptLevel(OL), MF(0) {
+  FunctionPass(ID), TM(tm), OptLevel(OL), MF(0) {
 }
 
 MachineFunctionAnalysis::~MachineFunctionAnalysis() {

llvm/lib/CodeGen/MachineFunctionPrinterPass.cpp

@@ -29,7 +29,7 @@ struct MachineFunctionPrinterPass : public MachineFunctionPass {
   const std::string Banner;
 
   MachineFunctionPrinterPass(raw_ostream &os, const std::string &banner) 
-      : MachineFunctionPass(&ID), OS(os), Banner(banner) {}
+      : MachineFunctionPass(ID), OS(os), Banner(banner) {}
 
   const char *getPassName() const { return "MachineFunction Printer"; }
 

llvm/lib/CodeGen/MachineLICM.cpp

@@ -74,10 +74,10 @@ namespace {
   public:
     static char ID; // Pass identification, replacement for typeid
     MachineLICM() :
-      MachineFunctionPass(&ID), PreRegAlloc(true) {}
+      MachineFunctionPass(ID), PreRegAlloc(true) {}
 
     explicit MachineLICM(bool PreRA) :
-      MachineFunctionPass(&ID), PreRegAlloc(PreRA) {}
+      MachineFunctionPass(ID), PreRegAlloc(PreRA) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
 

llvm/lib/CodeGen/MachineLoopInfo.cpp

@@ -33,7 +33,7 @@ char MachineLoopInfo::ID = 0;
 static RegisterPass<MachineLoopInfo>
 X("machine-loops", "Machine Natural Loop Construction", true);
 
-const PassInfo *const llvm::MachineLoopInfoID = &X;
+char &llvm::MachineLoopInfoID = MachineLoopInfo::ID;
 
 bool MachineLoopInfo::runOnMachineFunction(MachineFunction &) {
   releaseMemory();

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -254,7 +254,7 @@ void MMIAddrLabelMapCallbackPtr::allUsesReplacedWith(Value *V2) {
 //===----------------------------------------------------------------------===//
 
 MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
-: ImmutablePass(&ID), Context(MAI),
+: ImmutablePass(ID), Context(MAI),
   ObjFileMMI(0),
   CurCallSite(0), CallsEHReturn(0), CallsUnwindInit(0), DbgInfoAvailable(false){
   // Always emit some info, by default "no personality" info.
@@ -264,7 +264,7 @@ MachineModuleInfo::MachineModuleInfo(const MCAsmInfo &MAI)
 }
 
 MachineModuleInfo::MachineModuleInfo()
-: ImmutablePass(&ID), Context(*(MCAsmInfo*)0) {
+: ImmutablePass(ID), Context(*(MCAsmInfo*)0) {
   assert(0 && "This MachineModuleInfo constructor should never be called, MMI "
          "should always be explicitly constructed by LLVMTargetMachine");
   abort();

llvm/lib/CodeGen/MachineSink.cpp

@@ -44,7 +44,7 @@ namespace {
 
   public:
     static char ID; // Pass identification
-    MachineSinking() : MachineFunctionPass(&ID) {}
+    MachineSinking() : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
 

llvm/lib/CodeGen/MachineVerifier.cpp

@@ -194,7 +194,7 @@ namespace {
     static char ID; // Pass ID, replacement for typeid
 
     MachineVerifierPass()
-      : MachineFunctionPass(&ID) {}
+      : MachineFunctionPass(ID) {}
 
     void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesAll();

llvm/lib/CodeGen/OptimizeExts.cpp

@@ -43,7 +43,7 @@ namespace {
 
   public:
     static char ID; // Pass identification
-    OptimizeExts() : MachineFunctionPass(&ID) {}
+    OptimizeExts() : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
 

llvm/lib/CodeGen/OptimizePHIs.cpp

@@ -33,7 +33,7 @@ namespace {
 
   public:
     static char ID; // Pass identification
-    OptimizePHIs() : MachineFunctionPass(&ID) {}
+    OptimizePHIs() : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
 

llvm/lib/CodeGen/PHIElimination.cpp

@@ -40,7 +40,7 @@ char PHIElimination::ID = 0;
 static RegisterPass<PHIElimination>
 X("phi-node-elimination", "Eliminate PHI nodes for register allocation");
 
-const PassInfo *const llvm::PHIEliminationID = &X;
+char &llvm::PHIEliminationID = PHIElimination::ID;
 
 void llvm::PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.addPreserved<LiveVariables>();

llvm/lib/CodeGen/PHIElimination.h

@@ -25,7 +25,7 @@ namespace llvm {
 
   public:
     static char ID; // Pass identification, replacement for typeid
-    PHIElimination() : MachineFunctionPass(&ID) {}
+    PHIElimination() : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &Fn);
     

llvm/lib/CodeGen/PostRASchedulerList.cpp

@@ -85,7 +85,7 @@ namespace {
   public:
     static char ID;
     PostRAScheduler(CodeGenOpt::Level ol) :
-      MachineFunctionPass(&ID), OptLevel(ol) {}
+      MachineFunctionPass(ID), OptLevel(ol) {}
 
     void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesCFG();

llvm/lib/CodeGen/PreAllocSplitting.cpp

@@ -92,7 +92,7 @@ namespace {
   public:
     static char ID;
     PreAllocSplitting()
-      : MachineFunctionPass(&ID) {}
+      : MachineFunctionPass(ID) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
 
@@ -206,7 +206,7 @@ char PreAllocSplitting::ID = 0;
 static RegisterPass<PreAllocSplitting>
 X("pre-alloc-splitting", "Pre-Register Allocation Live Interval Splitting");
 
-const PassInfo *const llvm::PreAllocSplittingID = &X;
+char &llvm::PreAllocSplittingID = PreAllocSplitting::ID;
 
 /// findSpillPoint - Find a gap as far away from the given MI that's suitable
 /// for spilling the current live interval. The index must be before any

llvm/lib/CodeGen/PrologEpilogInserter.h

@@ -36,7 +36,7 @@ namespace llvm {
   class PEI : public MachineFunctionPass {
   public:
     static char ID;
-    PEI() : MachineFunctionPass(&ID) {}
+    PEI() : MachineFunctionPass(ID) {}
 
     const char *getPassName() const {
       return "Prolog/Epilog Insertion & Frame Finalization";

llvm/lib/CodeGen/RegAllocFast.cpp

@@ -47,7 +47,7 @@ namespace {
   class RAFast : public MachineFunctionPass {
   public:
     static char ID;
-    RAFast() : MachineFunctionPass(&ID), StackSlotForVirtReg(-1),
+    RAFast() : MachineFunctionPass(ID), StackSlotForVirtReg(-1),
                isBulkSpilling(false) {}
   private:
     const TargetMachine *TM;

llvm/lib/CodeGen/RegAllocLinearScan.cpp

@@ -90,7 +90,7 @@ namespace {
  
   struct RALinScan : public MachineFunctionPass {
     static char ID;
-    RALinScan() : MachineFunctionPass(&ID) {
+    RALinScan() : MachineFunctionPass(ID) {
       // Initialize the queue to record recently-used registers.
       if (NumRecentlyUsedRegs > 0)
         RecentRegs.resize(NumRecentlyUsedRegs, 0);

llvm/lib/CodeGen/RegAllocPBQP.cpp

@@ -84,7 +84,7 @@ namespace {
     static char ID;
 
     /// Construct a PBQP register allocator.
-    PBQPRegAlloc() : MachineFunctionPass(&ID) {}
+    PBQPRegAlloc() : MachineFunctionPass(ID) {}
 
     /// Return the pass name.
     virtual const char* getPassName() const {

llvm/lib/CodeGen/RenderMachineFunction.h

@@ -198,7 +198,7 @@ namespace llvm {
   public:
     static char ID;
 
-    RenderMachineFunction() : MachineFunctionPass(&ID) {}
+    RenderMachineFunction() : MachineFunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &au) const;
 

llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp

@@ -171,7 +171,7 @@ TargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
 //===----------------------------------------------------------------------===//
 
 SelectionDAGISel::SelectionDAGISel(const TargetMachine &tm, CodeGenOpt::Level OL) :
-  MachineFunctionPass(&ID), TM(tm), TLI(*tm.getTargetLowering()),
+  MachineFunctionPass(ID), TM(tm), TLI(*tm.getTargetLowering()),
   FuncInfo(new FunctionLoweringInfo(TLI)),
   CurDAG(new SelectionDAG(tm)),
   SDB(new SelectionDAGBuilder(*CurDAG, *FuncInfo, OL)),

llvm/lib/CodeGen/SimpleRegisterCoalescing.cpp

@@ -65,7 +65,7 @@ X("simple-register-coalescing", "Simple Register Coalescing");
 // Declare that we implement the RegisterCoalescer interface
 static RegisterAnalysisGroup<RegisterCoalescer, true/*The Default*/> V(X);
 
-const PassInfo *const llvm::SimpleRegisterCoalescingID = &X;
+char &llvm::SimpleRegisterCoalescingID = SimpleRegisterCoalescing::ID;
 
 void SimpleRegisterCoalescing::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesCFG();

llvm/lib/CodeGen/SimpleRegisterCoalescing.h

@@ -64,7 +64,7 @@ namespace llvm {
 
   public:
     static char ID; // Pass identifcation, replacement for typeid
-    SimpleRegisterCoalescing() : MachineFunctionPass(&ID) {}
+    SimpleRegisterCoalescing() : MachineFunctionPass(ID) {}
 
     struct InstrSlots {
       enum {

llvm/lib/CodeGen/SjLjEHPrepare.cpp

@@ -58,7 +58,7 @@ namespace {
   public:
     static char ID; // Pass identification, replacement for typeid
     explicit SjLjEHPass(const TargetLowering *tli = NULL)
-      : FunctionPass(&ID), TLI(tli) { }
+      : FunctionPass(ID), TLI(tli) { }
     bool doInitialization(Module &M);
     bool runOnFunction(Function &F);
 

llvm/lib/CodeGen/Splitter.h

@@ -36,7 +36,7 @@ namespace llvm {
   public:
     static char ID;
 
-    LoopSplitter() : MachineFunctionPass(&ID) {}
+    LoopSplitter() : MachineFunctionPass(ID) {}
 
     virtual void getAnalysisUsage(AnalysisUsage &au) const;
 

llvm/lib/CodeGen/StackProtector.cpp

@@ -62,9 +62,9 @@ namespace {
     bool RequiresStackProtector() const;
   public:
     static char ID;             // Pass identification, replacement for typeid.
-    StackProtector() : FunctionPass(&ID), TLI(0) {}
+    StackProtector() : FunctionPass(ID), TLI(0) {}
     StackProtector(const TargetLowering *tli)
-      : FunctionPass(&ID), TLI(tli) {}
+      : FunctionPass(ID), TLI(tli) {}
 
     virtual bool runOnFunction(Function &Fn);
   };

llvm/lib/CodeGen/StackSlotColoring.cpp

@@ -95,9 +95,9 @@ namespace {
   public:
     static char ID; // Pass identification
     StackSlotColoring() :
-      MachineFunctionPass(&ID), ColorWithRegs(false), NextColor(-1) {}
+      MachineFunctionPass(ID), ColorWithRegs(false), NextColor(-1) {}
     StackSlotColoring(bool RegColor) :
-      MachineFunctionPass(&ID), ColorWithRegs(RegColor), NextColor(-1) {}
+      MachineFunctionPass(ID), ColorWithRegs(RegColor), NextColor(-1) {}
     
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.setPreservesCFG();

llvm/lib/CodeGen/StrongPHIElimination.cpp

@@ -39,7 +39,7 @@ using namespace llvm;
 namespace {
   struct StrongPHIElimination : public MachineFunctionPass {
     static char ID; // Pass identification, replacement for typeid
-    StrongPHIElimination() : MachineFunctionPass(&ID) {}
+    StrongPHIElimination() : MachineFunctionPass(ID) {}
 
     // Waiting stores, for each MBB, the set of copies that need to
     // be inserted into that MBB
@@ -154,7 +154,7 @@ static RegisterPass<StrongPHIElimination>
 X("strong-phi-node-elimination",
   "Eliminate PHI nodes for register allocation, intelligently");
 
-const PassInfo *const llvm::StrongPHIEliminationID = &X;
+char &llvm::StrongPHIEliminationID = StrongPHIElimination::ID;
 
 /// computeDFS - Computes the DFS-in and DFS-out numbers of the dominator tree
 /// of the given MachineFunction.  These numbers are then used in other parts

llvm/lib/CodeGen/TailDuplication.cpp

@@ -69,7 +69,7 @@ namespace {
   public:
     static char ID;
     explicit TailDuplicatePass(bool PreRA) :
-      MachineFunctionPass(&ID), PreRegAlloc(PreRA) {}
+      MachineFunctionPass(ID), PreRegAlloc(PreRA) {}
 
     virtual bool runOnMachineFunction(MachineFunction &MF);
     virtual const char *getPassName() const { return "Tail Duplication"; }