diff --git a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
index f0ba434..47266bf 100644
--- a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -687,7 +687,7 @@
 void ExecutionEngine::InitializeMemory(const Constant *Init, void *Addr) {
   if (isa<UndefValue>(Init)) {
     return;
-  } else if (const ConstantPacked *CP = dyn_cast<ConstantPacked>(Init)) {
+  } else if (const ConstantVector *CP = dyn_cast<ConstantVector>(Init)) {
     unsigned ElementSize =
       getTargetData()->getTypeSize(CP->getType()->getElementType());
     for (unsigned i = 0, e = CP->getNumOperands(); i != e; ++i)