Some cleanups for compilation with GCC 4.0.0 to remove warnings:

* Use C++ style casts, not C style casts
* Abstract base classes should have virtual destructor.

llvm-svn: 22057

Author: Reid Spencer

llvm/include/llvm/Analysis/FindUsedTypes.h

@@ -60,7 +60,7 @@ class FindUsedTypes : public ModulePass {
 
 // Make sure that any clients of this file link in PostDominators.cpp
 static IncludeFile
-FIND_USED_TYPES_INCLUDE_FILE((void*)&FindUsedTypes::stub);
+FIND_USED_TYPES_INCLUDE_FILE(reinterpret_cast<void*>(&FindUsedTypes::stub));
 
 } // End llvm namespace
 

llvm/include/llvm/Analysis/LoopInfo.h

@@ -230,7 +230,8 @@ class LoopInfo : public FunctionPass {
   /// block is in no loop (for example the entry node), null is returned.
   ///
   Loop *getLoopFor(const BasicBlock *BB) const {
-    std::map<BasicBlock *, Loop*>::const_iterator I=BBMap.find((BasicBlock*)BB);
+    std::map<BasicBlock *, Loop*>::const_iterator I=
+      BBMap.find(const_cast<BasicBlock*>(BB));
     return I != BBMap.end() ? I->second : 0;
   }
 
@@ -300,7 +301,7 @@ class LoopInfo : public FunctionPass {
 
 // Make sure that any clients of this file link in LoopInfo.cpp
 static IncludeFile
-LOOP_INFO_INCLUDE_FILE((void*)&LoopInfo::stub);
+LOOP_INFO_INCLUDE_FILE(reinterpret_cast<void*>(&LoopInfo::stub));
 
 // Allow clients to walk the list of nested loops...
 template <> struct GraphTraits<const Loop*> {

llvm/include/llvm/Assembly/AsmAnnotationWriter.h

@@ -27,6 +27,8 @@ class Instruction;
 
 struct AssemblyAnnotationWriter {
 
+  virtual ~AssemblyAnnotationWriter();
+
   // emitFunctionAnnot - This may be implemented to emit a string right before
   // the start of a function.
   virtual void emitFunctionAnnot(const Function *F, std::ostream &OS) {}

llvm/include/llvm/DerivedTypes.h

@@ -141,7 +141,7 @@ class FunctionType : public DerivedType {
   /// getNumParams - Return the number of fixed parameters this function type
   /// requires.  This does not consider varargs.
   ///
-  unsigned getNumParams() const { return (unsigned)ContainedTys.size()-1; }
+  unsigned getNumParams() const { return unsigned(ContainedTys.size()-1); }
 
   // Implement the AbstractTypeUser interface.
   virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy);
@@ -207,7 +207,7 @@ class StructType : public CompositeType {
   element_iterator element_end() const { return ContainedTys.end(); }
 
   // Random access to the elements
-  unsigned getNumElements() const { return (unsigned)ContainedTys.size(); }
+  unsigned getNumElements() const { return unsigned(ContainedTys.size()); }
   const Type *getElementType(unsigned N) const {
     assert(N < ContainedTys.size() && "Element number out of range!");
     return ContainedTys[N];

llvm/include/llvm/Instructions.h

@@ -519,7 +519,7 @@ class CallInst : public Instruction {
   /// if it is a direct call.  If it is a call through a function pointer,
   /// return null.
   Function *getCalledFunction() const {
-    return (Function*)dyn_cast<Function>(getOperand(0));
+    return static_cast<Function*>(dyn_cast<Function>(getOperand(0)));
   }
 
   // getCalledValue - Get a pointer to a method that is invoked by this inst.
@@ -1153,7 +1153,7 @@ class SwitchInst : public TerminatorInst {
   // successor.
   inline ConstantInt *getSuccessorValue(unsigned idx) const {
     assert(idx < getNumSuccessors() && "Successor # out of range!");
-    return (ConstantInt*)getOperand(idx*2);
+    return reinterpret_cast<ConstantInt*>(getOperand(idx*2));
   }
 
   // Methods for support type inquiry through isa, cast, and dyn_cast:

llvm/include/llvm/Support/CallSite.h

@@ -32,8 +32,8 @@ class CallSite {
   Instruction *I;
 public:
   CallSite() : I(0) {}
-  CallSite(CallInst *CI) : I((Instruction*)CI) {}
-  CallSite(InvokeInst *II) : I((Instruction*)II) {}
+  CallSite(CallInst *CI) : I(reinterpret_cast<Instruction*>(CI)) {}
+  CallSite(InvokeInst *II) : I(reinterpret_cast<Instruction*>(II)) {}
   CallSite(const CallSite &CS) : I(CS.I) {}
   CallSite &operator=(const CallSite &CS) { I = CS.I; return *this; }
 
@@ -45,9 +45,9 @@ class CallSite {
   static CallSite get(Value *V) {
     if (Instruction *I = dyn_cast<Instruction>(V)) {
       if (I->getOpcode() == Instruction::Call)
-        return CallSite((CallInst*)I);
+        return CallSite(reinterpret_cast<CallInst*>(I));
       else if (I->getOpcode() == Instruction::Invoke)
-        return CallSite((InvokeInst*)I);
+        return CallSite(reinterpret_cast<InvokeInst*>(I));
     }
     return CallSite();
   }

llvm/include/llvm/SymbolTable.h

@@ -108,7 +108,7 @@ class SymbolTable : public AbstractTypeUser {
   inline bool isEmpty() const { return pmap.empty() && tmap.empty(); }
 
   /// @brief The number of name/type pairs is returned.
-  inline unsigned num_types() const { return (unsigned)tmap.size(); }
+  inline unsigned num_types() const { return unsigned(tmap.size()); }
 
   /// Given a base name, return a string that is either equal to it or
   /// derived from it that does not already occur in the symbol table

llvm/lib/VMCore/AsmWriter.cpp

@@ -34,6 +34,9 @@ using namespace llvm;
 
 namespace llvm {
 
+// Make virtual table appear in this compilation unit.
+AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
+
 /// This class provides computation of slot numbers for LLVM Assembly writing.
 /// @brief LLVM Assembly Writing Slot Computation.
 class SlotMachine {