diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index 9806d058a31..429fe9e3bd6 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -1611,7 +1611,7 @@ PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
 
 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
 // (These psuedos use a hand-written selection code).
-let usesCustomInserter = 1, Defs = [CPSR] in {
+let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
 def ATOMOR6432   : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
                               (ins GPR:$addr, GPR:$src1, GPR:$src2),
                               NoItinerary, []>;