vendor/llvm/llvm-trunk-r300890

1 files changed, 7 insertions, 16 deletions

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 996794b660a9..2fad1737d1c0 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -158,11 +158,8 @@ public:
   /// True if terminator in the block can branch to another block that is
   /// outside of the current loop.
   bool isLoopExiting(const BlockT *BB) const {
-    typedef GraphTraits<const BlockT*> BlockTraits;
-    for (typename BlockTraits::ChildIteratorType SI =
-         BlockTraits::child_begin(BB),
-         SE = BlockTraits::child_end(BB); SI != SE; ++SI) {
-      if (!contains(*SI))
+    for (const auto Succ : children<const BlockT*>(BB)) {
+      if (!contains(Succ))
         return true;
     }
     return false;
@@ -186,11 +183,8 @@ public:
     unsigned NumBackEdges = 0;
     BlockT *H = getHeader();
 
-    typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits;
-    for (typename InvBlockTraits::ChildIteratorType I =
-         InvBlockTraits::child_begin(H),
-         E = InvBlockTraits::child_end(H); I != E; ++I)
-      if (contains(*I))
+    for (const auto Pred : children<Inverse<BlockT*> >(H))
+      if (contains(Pred))
         ++NumBackEdges;
 
     return NumBackEdges;
@@ -249,12 +243,9 @@ public:
   /// contains a branch back to the header.
   void getLoopLatches(SmallVectorImpl<BlockT *> &LoopLatches) const {
     BlockT *H = getHeader();
-    typedef GraphTraits<Inverse<BlockT*> > InvBlockTraits;
-    for (typename InvBlockTraits::ChildIteratorType I =
-         InvBlockTraits::child_begin(H),
-         E = InvBlockTraits::child_end(H); I != E; ++I)
-      if (contains(*I))
-        LoopLatches.push_back(*I);
+    for (const auto Pred : children<Inverse<BlockT*>>(H))
+      if (contains(Pred))
+        LoopLatches.push_back(Pred);
   }
 
   //===--------------------------------------------------------------------===//