1 files changed, 3 insertions, 3 deletions
diff --git a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
index 439ba9e2c78..2f3390d2737 100644
--- a/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
+++ b/llvm/lib/Target/ARM/ARMExpandPseudoInsts.cpp
@@ -415,11 +415,11 @@ static const NEONLdStTableEntry NEONLdStTable[] = {
 static const NEONLdStTableEntry *LookupNEONLdSt(unsigned Opcode) {
 #ifndef NDEBUG
   // Make sure the table is sorted.
-  static bool TableChecked = false;
-  if (!TableChecked) {
+  static std::atomic<bool> TableChecked(false);
+  if (!TableChecked.load(std::memory_order_relaxed)) {
     assert(std::is_sorted(std::begin(NEONLdStTable), std::end(NEONLdStTable)) &&
            "NEONLdStTable is not sorted!");
-    TableChecked = true;
+    TablesChecked.store(true, std::memory_order_relaxed);
   }
 #endif