Index: polly/trunk/lib/Analysis/ScopPass.cpp
===================================================================
--- polly/trunk/lib/Analysis/ScopPass.cpp
+++ polly/trunk/lib/Analysis/ScopPass.cpp
@@ -22,6 +22,9 @@
 bool ScopPass::runOnRegion(Region *R, RGPassManager &RGM) {
   S = nullptr;
 
+  if (skipRegion(*R))
+    return false;
+
   if ((S = getAnalysis<ScopInfoRegionPass>().getScop()))
     return runOnScop(*S);
 
Index: polly/trunk/lib/Transform/CodePreparation.cpp
===================================================================
--- polly/trunk/lib/Transform/CodePreparation.cpp
+++ polly/trunk/lib/Transform/CodePreparation.cpp
@@ -72,12 +72,15 @@
 }
 
 bool CodePreparation::runOnFunction(Function &F) {
+  if (skipFunction(F))
+    return false;
+
   LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
   SE = &getAnalysis<ScalarEvolutionWrapperPass>().getSE();
 
   splitEntryBlockForAlloca(&F.getEntryBlock(), this);
 
-  return false;
+  return true;
 }
 
 void CodePreparation::releaseMemory() { clear(); }