X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FBasicBlock.h;h=ba8406e3974ce77865be800312a7e4c9e3100fb7;hb=2d916231ff503b995bf3b65a338c9bf0d84ee7c7;hp=7e7c9e76943d07cf878152346d898fbba9beaae8;hpb=1f6efa3996dd1929fbc129203ce5009b620e6969;p=oota-llvm.git

diff --git a/include/llvm/BasicBlock.h b/include/llvm/BasicBlock.h
index 7e7c9e76943..ba8406e3974 100644
--- a/include/llvm/BasicBlock.h
+++ b/include/llvm/BasicBlock.h
@@ -14,14 +14,15 @@
 #ifndef LLVM_BASICBLOCK_H
 #define LLVM_BASICBLOCK_H
 
-#include "llvm/Instruction.h"
-#include "llvm/SymbolTableListTraits.h"
-#include "llvm/ADT/ilist.h"
 #include "llvm/ADT/Twine.h"
+#include "llvm/ADT/ilist.h"
+#include "llvm/Instruction.h"
 #include "llvm/Support/DataTypes.h"
+#include "llvm/SymbolTableListTraits.h"
 
 namespace llvm {
 
+class LandingPadInst;
 class TerminatorInst;
 class LLVMContext;
 class BlockAddress;
@@ -78,8 +79,8 @@ private:
   void setParent(Function *parent);
   friend class SymbolTableListTraits<BasicBlock, Function>;
 
-  BasicBlock(const BasicBlock &);     // Do not implement
-  void operator=(const BasicBlock &); // Do not implement
+  BasicBlock(const BasicBlock &) LLVM_DELETED_FUNCTION;
+  void operator=(const BasicBlock &) LLVM_DELETED_FUNCTION;
 
   /// BasicBlock ctor - If the function parameter is specified, the basic block
   /// is automatically inserted at either the end of the function (if
@@ -109,12 +110,6 @@ public:
   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 Users (specifically PHI nodes, terminators,
-  /// and BlockAddress's).
-  User       *use_back()       { return cast<User>(*use_begin());}
-  const User *use_back() const { return cast<User>(*use_begin());}
-
   /// getTerminator() - If this is a well formed basic block, then this returns
   /// a pointer to the terminator instruction.  If it is not, then you get a
   /// null pointer back.
@@ -138,6 +133,20 @@ public:
     return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbg();
   }
 
+  // Same as above, but also skip lifetime intrinsics.
+  Instruction* getFirstNonPHIOrDbgOrLifetime();
+  const Instruction* getFirstNonPHIOrDbgOrLifetime() const {
+    return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbgOrLifetime();
+  }
+
+  /// getFirstInsertionPt - Returns an iterator to the first instruction in this
+  /// block that is suitable for inserting a non-PHI instruction. In particular,
+  /// it skips all PHIs and LandingPad instructions.
+  iterator getFirstInsertionPt();
+  const_iterator getFirstInsertionPt() const {
+    return const_cast<BasicBlock*>(this)->getFirstInsertionPt();
+  }
+
   /// removeFromParent - This method unlinks 'this' from the containing
   /// function, but does not delete it.
   ///
@@ -204,7 +213,6 @@ public:
   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) {
     return V->getValueID() == Value::BasicBlockVal;
   }
@@ -248,6 +256,19 @@ public:
   /// other than direct branches, switches, etc. to it.
   bool hasAddressTaken() const { return getSubclassDataFromValue() != 0; }
 
+  /// replaceSuccessorsPhiUsesWith - Update all phi nodes in all our successors
+  /// to refer to basic block New instead of to us.
+  void replaceSuccessorsPhiUsesWith(BasicBlock *New);
+
+  /// isLandingPad - Return true if this basic block is a landing pad. I.e.,
+  /// it's the destination of the 'unwind' edge of an invoke instruction.
+  bool isLandingPad() const;
+
+  /// getLandingPadInst() - Return the landingpad instruction associated with
+  /// the landing pad.
+  LandingPadInst *getLandingPadInst();
+  const LandingPadInst *getLandingPadInst() const;
+
 private:
   /// AdjustBlockAddressRefCount - BasicBlock stores the number of BlockAddress
   /// objects using it.  This is almost always 0, sometimes one, possibly but