diff --git a/llvm/lib/Transforms/Scalar/NewGVN.cpp b/llvm/lib/Transforms/Scalar/NewGVN.cpp
--- a/llvm/lib/Transforms/Scalar/NewGVN.cpp
+++ b/llvm/lib/Transforms/Scalar/NewGVN.cpp
@@ -1470,7 +1470,8 @@
   // undef value.  This can happen when loading for a fresh allocation with no
   // intervening stores, for example.  Note that this is only true in the case
   // that the result of the allocation is pointer equal to the load ptr.
-  if (isa<AllocaInst>(DepInst) || isMallocLikeFn(DepInst, TLI)) {
+  if (isa<AllocaInst>(DepInst) || isMallocLikeFn(DepInst, TLI) ||
+      isAlignedAllocLikeFn(DepInst, TLI)) {
     return createConstantExpression(UndefValue::get(LoadType));
   }
   // If this load occurs either right after a lifetime begin,