Add a method to clear optional optimization information from a Value.

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

diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 84dc6a66261346ac7914d20512124b462fabb4ed..4f4da1ca2fb65929ceb8f1054a49e9dd4dadbec1 100644 (file)
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -22,6 +22,7 @@
 namespace llvm {
 
 class TerminatorInst;
+class LLVMContext;
 
 template<> struct ilist_traits<Instruction>
   : public SymbolTableListTraits<Instruction, BasicBlock> {
@@ -45,10 +46,6 @@ template<> struct ilist_traits<Instruction>
   Instruction *provideInitialHead() const { return createSentinel(); }
   Instruction *ensureHead(Instruction*) const { return createSentinel(); }
   static void noteHead(Instruction*, Instruction*) {}
-
-  static iplist<Instruction> &getList(BasicBlock *BB);
-  static ValueSymbolTable *getSymTab(BasicBlock *ItemParent);
-  static int getListOffset();
 private:
   mutable ilist_node<Instruction> Sentinel;
 };
@@ -89,6 +86,10 @@ private:
   explicit BasicBlock(const std::string &Name = "", Function *Parent = 0,
                       BasicBlock *InsertBefore = 0);
 public:
+  /// getContext - Get the context in which this basic block lives,
+  /// or null if it is not currently attached to a function.
+  LLVMContext *getContext() const;
+  
   /// Instruction iterators...
   typedef InstListType::iterator                              iterator;
   typedef InstListType::const_iterator                  const_iterator;
@@ -187,6 +188,14 @@ public:
   const InstListType &getInstList() const { return InstList; }
         InstListType &getInstList()       { return InstList; }
 
+  /// getSublistAccess() - returns pointer to member of instruction list
+  static iplist<Instruction> BasicBlock::*getSublistAccess(Instruction*) {
+    return &BasicBlock::InstList;
+  }
+
+  /// getValueSymbolTable() - returns pointer to symbol table (if any)
+  ValueSymbolTable *getValueSymbolTable();
+
   /// Methods for support type inquiry through isa, cast, and dyn_cast:
   static inline bool classof(const BasicBlock *) { return true; }
   static inline bool classof(const Value *V) {
@@ -224,19 +233,8 @@ 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));
-  }
 };
 
-inline int 
-ilist_traits<Instruction>::getListOffset() {
-  return BasicBlock::getInstListOffset();
-}
-
 } // End llvm namespace
 
 #endif