diff --git a/llvm/lib/CodeGen/MachineLoopInfo.cpp b/llvm/lib/CodeGen/MachineLoopInfo.cpp
index db77d19..63f4f18 100644
--- a/llvm/lib/CodeGen/MachineLoopInfo.cpp
+++ b/llvm/lib/CodeGen/MachineLoopInfo.cpp
@@ -62,11 +62,11 @@
   MachineBasicBlock *BotMBB = getHeader();
   MachineFunction::iterator End = BotMBB->getParent()->end();
   if (BotMBB != prior(End)) {
-    MachineBasicBlock *NextMBB = next(MachineFunction::iterator(BotMBB));
+    MachineBasicBlock *NextMBB = llvm::next(MachineFunction::iterator(BotMBB));
     while (contains(NextMBB)) {
       BotMBB = NextMBB;
-      if (BotMBB == next(MachineFunction::iterator(BotMBB))) break;
-      NextMBB = next(MachineFunction::iterator(BotMBB));
+      if (BotMBB == llvm::next(MachineFunction::iterator(BotMBB))) break;
+      NextMBB = llvm::next(MachineFunction::iterator(BotMBB));
     }
   }
   return BotMBB;