diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 6916e96..c3a15fc 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -156,7 +156,7 @@
 
             LiveInterval &RegInt = getInterval(reg);
             RegInt.weight +=
-              (mop.isUse() + mop.isDef()) * pow(10.0F, loopDepth);
+              (mop.isUse() + mop.isDef()) * pow(10.0F, (int)loopDepth);
           }
         }
         ++mii;