add a new MachineBasicBlock::getSymbol method, replacing

the AsmPrinter::GetMBBSymbol.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94515 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineBasicBlock.h

@@ -352,6 +352,10 @@ public:
   int getNumber() const { return Number; }
   void setNumber(int N) { Number = N; }
 
+  /// getSymbol - Return the MCSymbol for this basic block.
+  ///
+  MCSymbol *getSymbol(MCContext &Ctx) const;
+  
 private:   // Methods used to maintain doubly linked list of blocks...
   friend struct ilist_traits<MachineBasicBlock>;