rename pred_const_iterator to const_pred_iterator for consistency's sake

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99567 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Utils/BreakCriticalEdges.cpp b/lib/Transforms/Utils/BreakCriticalEdges.cpp
index 3657390..8c25ad1 100644
--- a/lib/Transforms/Utils/BreakCriticalEdges.cpp
+++ b/lib/Transforms/Utils/BreakCriticalEdges.cpp
@@ -94,7 +94,7 @@
   if (TI->getNumSuccessors() == 1) return false;
 
   const BasicBlock *Dest = TI->getSuccessor(SuccNum);
-  pred_const_iterator I = pred_begin(Dest), E = pred_end(Dest);
+  const_pred_iterator I = pred_begin(Dest), E = pred_end(Dest);
 
   // If there is more than one predecessor, this is a critical edge...
   assert(I != E && "No preds, but we have an edge to the block?");