1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LoadStoreOpt.cpp b/llvm/lib/CodeGen/GlobalISel/LoadStoreOpt.cpp
index b2f84351c9a9..cdc1f64dc439 100644
--- a/llvm/lib/CodeGen/GlobalISel/LoadStoreOpt.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LoadStoreOpt.cpp
@@ -958,7 +958,8 @@ void LoadStoreOpt::initializeStoreMergeTargetInfo(unsigned AddrSpace) {
   for (unsigned Size = 2; Size <= MaxStoreSizeToForm; Size *= 2) {
     LLT Ty = LLT::scalar(Size);
     SmallVector<LegalityQuery::MemDesc, 2> MemDescrs(
-        {{Ty, Ty.getSizeInBits(), AtomicOrdering::NotAtomic}});
+        {{Ty, Ty.getSizeInBits(), AtomicOrdering::NotAtomic,
+          AtomicOrdering::NotAtomic}});
     SmallVector<LLT> StoreTys({Ty, PtrTy});
     LegalityQuery Q(TargetOpcode::G_STORE, StoreTys, MemDescrs);
     LegalizeActionStep ActionStep = LI.getAction(Q);