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/Analysis/ProfileEstimatorPass.cpp b/lib/Analysis/ProfileEstimatorPass.cpp
index bce6b31..da4ce47 100644
--- a/lib/Analysis/ProfileEstimatorPass.cpp
+++ b/lib/Analysis/ProfileEstimatorPass.cpp
@@ -398,7 +398,7 @@
     for (Function::const_iterator FI = F.begin(), FE = F.end(); FI != FE; ++FI) {
       const BasicBlock *BB = &(*FI);
       BlockInformation[&F][BB] = 0;
-      pred_const_iterator predi = pred_begin(BB), prede = pred_end(BB);
+      const_pred_iterator predi = pred_begin(BB), prede = pred_end(BB);
       if (predi == prede) {
         Edge e = getEdge(0,BB);
         setEdgeWeight(e,0);