diff --git a/llvm/unittests/ExecutionEngine/MCJIT/MCJITTestAPICommon.h b/llvm/unittests/ExecutionEngine/MCJIT/MCJITTestAPICommon.h
--- a/llvm/unittests/ExecutionEngine/MCJIT/MCJITTestAPICommon.h
+++ b/llvm/unittests/ExecutionEngine/MCJIT/MCJITTestAPICommon.h
@@ -55,7 +55,7 @@
 
   bool HostCanBeTargeted() {
     std::string Error;
-    return TargetRegistry::lookupTarget(HostTriple, Error) != 0;
+    return TargetRegistry::lookupTarget(HostTriple, Error) != nullptr;
   }
 
   /// Returns true if the host architecture is known to support MCJIT