diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 99ba0ecf499..f1f566771af 100644
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -823,7 +823,7 @@ unsigned LiveIntervals::getReMatImplicitUse(const LiveInterval &li,
     assert(!RegOp &&
            "Can't rematerialize instruction with multiple register operand!");
     RegOp = MO.getReg();
-#ifndef NDEBUG
+#ifdef NDEBUG
     break;
 #endif
   }