diff --git a/llvm/lib/Analysis/LoopInfo.cpp b/llvm/lib/Analysis/LoopInfo.cpp
index 29558da..2559912 100644
--- a/llvm/lib/Analysis/LoopInfo.cpp
+++ b/llvm/lib/Analysis/LoopInfo.cpp
@@ -35,7 +35,7 @@
 //===----------------------------------------------------------------------===//
 // LoopInfo implementation
 //
-bool LoopInfo::runOnFunction(Function *F) {
+bool LoopInfo::runOnFunction(Function &) {
   releaseMemory();
   Calculate(getAnalysis<DominatorSet>());    // Update
   return false;