Use MachineBasicBlock::transferSuccessors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52594 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/AlphaISelLowering.cpp b/lib/Target/Alpha/AlphaISelLowering.cpp
index 86fc488..dd001b4 100644
--- a/lib/Target/Alpha/AlphaISelLowering.cpp
+++ b/lib/Target/Alpha/AlphaISelLowering.cpp
@@ -662,11 +662,7 @@
   MachineBasicBlock *llscMBB = new MachineBasicBlock(LLVM_BB);
   MachineBasicBlock *sinkMBB = new MachineBasicBlock(LLVM_BB);
 
-  for(MachineBasicBlock::succ_iterator i = thisMBB->succ_begin(), 
-        e = thisMBB->succ_end(); i != e; ++i)
-    sinkMBB->addSuccessor(*i);
-  while(!thisMBB->succ_empty())
-    thisMBB->removeSuccessor(thisMBB->succ_begin());
+  sinkMBB->transferSuccessors(thisMBB);
 
   MachineFunction *F = BB->getParent();
   F->getBasicBlockList().insert(It, llscMBB);