minor cleanups. Add provisions for a new standard BLOCKINFO_BLOCK

[oota-llvm.git] / include / llvm / BasicBlock.h

diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index d8cb5388454082d58194a01583f737f4b7222288..56b64ed2abf7768b492afa030f3e85ac86907a29 100644 (file)
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -25,11 +25,13 @@ template <class Term, class BB> class SuccIterator;  // Successor Iterator
 template <class Ptr, class USE_iterator> class PredIterator;
 
 template<> struct ilist_traits<Instruction>
-  : public SymbolTableListTraits<Instruction, BasicBlock, Function> {
+  : public SymbolTableListTraits<Instruction, BasicBlock> {
   // createSentinel is used to create a node that marks the end of the list...
   static Instruction *createSentinel();
   static void destroySentinel(Instruction *I) { delete I; }
   static iplist<Instruction> &getList(BasicBlock *BB);
+  static ValueSymbolTable *getSymTab(BasicBlock *ItemParent);
+  static int getListOffset();
 };
 
 /// This represents a single basic block in LLVM. A basic block is simply a
@@ -52,11 +54,12 @@ public:
 private :
   InstListType InstList;
   BasicBlock *Prev, *Next; // Next and Prev links for our intrusive linked list
+  Function *Parent;
 
   void setParent(Function *parent);
   void setNext(BasicBlock *N) { Next = N; }
   void setPrev(BasicBlock *N) { Prev = N; }
-  friend class SymbolTableListTraits<BasicBlock, Function, Function>;
+  friend class SymbolTableListTraits<BasicBlock, Function>;
 
   BasicBlock(const BasicBlock &);     // Do not implement
   void operator=(const BasicBlock &); // Do not implement
@@ -76,14 +79,8 @@ public:
 
   /// getParent - Return the enclosing method, or null if none
   ///
-  const Function *getParent() const { return InstList.getParent(); }
-        Function *getParent()       { return InstList.getParent(); }
-
-  // getNext/Prev - Return the next or previous basic block in the list.
-        BasicBlock *getNext()       { return Next; }
-  const BasicBlock *getNext() const { return Next; }
-        BasicBlock *getPrev()       { return Prev; }
-  const BasicBlock *getPrev() const { return Prev; }
+  const Function *getParent() const { return Parent; }
+        Function *getParent()       { return Parent; }
 
   /// use_back - Specialize the methods defined in Value, as we know that an
   /// BasicBlock can only be used by Instructions (specifically PHI and terms).
@@ -192,8 +189,27 @@ public:
   /// the basic block).
   ///
   BasicBlock *splitBasicBlock(iterator I, const std::string &BBName = "");
+  
+  
+  static unsigned getInstListOffset() {
+    BasicBlock *Obj = 0;
+    return unsigned(reinterpret_cast<uintptr_t>(&Obj->InstList));
+  }
+
+private:
+  // getNext/Prev - Return the next or previous basic block in the list.  Access
+  // these with Function::iterator.
+  BasicBlock *getNext()       { return Next; }
+  const BasicBlock *getNext() const { return Next; }
+  BasicBlock *getPrev()       { return Prev; }
+  const BasicBlock *getPrev() const { return Prev; }
 };
 
+inline int 
+ilist_traits<Instruction>::getListOffset() {
+  return BasicBlock::getInstListOffset();
+}
+
 } // End llvm namespace
 
 #endif