diff --git a/cfg/qt.cfg b/cfg/qt.cfg
index d5e3ebd71..c3380c1f4 100644
--- a/cfg/qt.cfg
+++ b/cfg/qt.cfg
@@ -1318,11 +1318,13 @@
   <define name="Q_FLAGS(X)" value=""/>
   <define name="Q_FOREVER" value="for (;;)"/>
   <define name="Q_INTERFACES(X)" value=""/>
+  <define name="Q_LIKELY(expr)" value="expr"/>
   <define name="Q_NULLPTR" value="NULL"/>
   <define name="Q_OBJECT" value=""/>
   <define name="Q_PROPERTY(X)" value=""/>
   <define name="Q_Q(Class)" value="Class * const q = q_func()"/>
   <define name="Q_RETURN_ARG(type, data)" value="QReturnArgument&lt;type &gt;(#type, data)"/>
+  <define name="Q_UNLIKELY(expr)" value="expr"/>
   <define name="Q_UNUSED(X)" value="(void)X;"/>
   <define name="QCOMPARE(a,b)" value="assert( (a) == (b) )"/>
   <define name="QVERIFY(expr)" value="assert( expr )"/>
diff --git a/test/cfg/qt.cpp b/test/cfg/qt.cpp
index 54be3d2de..03b2b9fb0 100644
--- a/test/cfg/qt.cpp
+++ b/test/cfg/qt.cpp
@@ -54,6 +54,9 @@ void validCode(int * pIntPtr)
         Q_FOREVER {
         }
     }
+
+    if (Q_LIKELY(pIntPtr)) {}
+    if (Q_UNLIKELY(!pIntPtr)) {}
 }
 
 void ignoredReturnValue()