Add a hasAddressTaken for BasicBlock.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85449 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/BasicBlock.h

@@ -235,6 +235,10 @@ public:
   /// keeping loop information consistent, use the SplitBlock utility function.
   ///
   BasicBlock *splitBasicBlock(iterator I, const Twine &BBName = "");
+
+  /// hasAddressTaken - returns true if there are any uses of this basic block
+  /// other than direct branches, switches, etc. to it.
+  bool hasAddressTaken() const;
 };
 
 } // End llvm namespace