1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMInstructionSelector.cpp b/llvm/lib/Target/ARM/ARMInstructionSelector.cpp
index b43faf4903a..6bbeae2e115 100644
--- a/llvm/lib/Target/ARM/ARMInstructionSelector.cpp
+++ b/llvm/lib/Target/ARM/ARMInstructionSelector.cpp
@@ -801,6 +801,12 @@ bool ARMInstructionSelector::select(MachineInstr &I,
     return selectGlobal(MIB, MRI);
   case G_STORE:
   case G_LOAD: {
+    const auto &MemOp = **I.memoperands_begin();
+    if (MemOp.getOrdering() != AtomicOrdering::NotAtomic) {
+      DEBUG(dbgs() << "Atomic load/store not supported yet\n");
+      return false;
+    }
+
     unsigned Reg = I.getOperand(0).getReg();
     unsigned RegBank = RBI.getRegBank(Reg, MRI, TRI)->getID();