1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
index da4cf387c8d..6b391de00d1 100644
--- a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
@@ -1564,8 +1564,9 @@ SDValue R600TargetLowering::LowerFormalArguments(
     SDValue Arg = DAG.getLoad(
         ISD::UNINDEXED, Ext, VT, DL, Chain,
         DAG.getConstant(Offset, DL, MVT::i32), DAG.getUNDEF(MVT::i32), PtrInfo,
-        MemVT, /* Alignment = */ 4,
-        MachineMemOperand::MONonTemporal | MachineMemOperand::MOInvariant);
+        MemVT, /* Alignment = */ 4, MachineMemOperand::MONonTemporal |
+                                        MachineMemOperand::MODereferenceable |
+                                        MachineMemOperand::MOInvariant);
 
     // 4 is the preferred alignment for the CONSTANT memory space.
     InVals.push_back(Arg);