diff --git a/polly/lib/Support/ScopHelper.cpp b/polly/lib/Support/ScopHelper.cpp
index 9541c8e..1b7b9a2 100644
--- a/polly/lib/Support/ScopHelper.cpp
+++ b/polly/lib/Support/ScopHelper.cpp
@@ -66,6 +66,12 @@
   return 0;
 }
 
+Type *polly::getAccessInstType(Instruction *AccInst) {
+  if (StoreInst *Store = dyn_cast<StoreInst>(AccInst))
+    return Store->getValueOperand()->getType();
+  return AccInst->getType();
+}
+
 bool polly::hasInvokeEdge(const PHINode *PN) {
   for (unsigned i = 0, e = PN->getNumIncomingValues(); i < e; ++i)
     if (InvokeInst *II = dyn_cast<InvokeInst>(PN->getIncomingValue(i)))