diff --git a/lib/ExecutionEngine/JIT/TargetSelect.cpp b/lib/ExecutionEngine/JIT/TargetSelect.cpp
index 1c204df..0654f34 100644
--- a/lib/ExecutionEngine/JIT/TargetSelect.cpp
+++ b/lib/ExecutionEngine/JIT/TargetSelect.cpp
@@ -59,7 +59,7 @@
 
   // Package up features to be passed to target/subtarget
   std::string FeaturesStr;
-  if (MCPU.size() || MAttrs.size()) {
+  if (!MCPU.empty() || !MAttrs.empty()) {
     SubtargetFeatures Features;
     Features.setCPU(MCPU);
     for (unsigned i = 0; i != MAttrs.size(); ++i)