diff --git a/include/llvm/Transforms/Scalar/Float2Int.h b/include/llvm/Transforms/Scalar/Float2Int.h
index a8042399fb0..206ee980109 100644
--- a/include/llvm/Transforms/Scalar/Float2Int.h
+++ b/include/llvm/Transforms/Scalar/Float2Int.h
@@ -31,7 +31,7 @@ public:
 
 private:
   void findRoots(Function &F, SmallPtrSet<Instruction *, 8> &Roots);
-  ConstantRange seen(Instruction *I, ConstantRange R);
+  void seen(Instruction *I, ConstantRange R);
   ConstantRange badRange();
   ConstantRange unknownRange();
   ConstantRange validateRange(ConstantRange R);
diff --git a/lib/Transforms/Scalar/Float2Int.cpp b/lib/Transforms/Scalar/Float2Int.cpp
index 8a5af6195f1..3c61a28bdd3 100644
--- a/lib/Transforms/Scalar/Float2Int.cpp
+++ b/lib/Transforms/Scalar/Float2Int.cpp
@@ -137,13 +137,12 @@ void Float2IntPass::findRoots(Function &F, SmallPtrSet<Instruction*,8> &Roots) {
 }
 
 // Helper - mark I as having been traversed, having range R.
-ConstantRange Float2IntPass::seen(Instruction *I, ConstantRange R) {
+void Float2IntPass::seen(Instruction *I, ConstantRange R) {
   DEBUG(dbgs() << "F2I: " << *I << ":" << R << "\n");
   if (SeenInsts.find(I) != SeenInsts.end())
     SeenInsts.find(I)->second = R;
   else
     SeenInsts.insert(std::make_pair(I, R));
-  return R;
 }
 
 // Helper - get a range representing a poison value.