diff --git a/llvm/lib/Target/R600/SIInstrInfo.cpp b/llvm/lib/Target/R600/SIInstrInfo.cpp
index 8b35d8908833..33da26ed17c1 100644
--- a/llvm/lib/Target/R600/SIInstrInfo.cpp
+++ b/llvm/lib/Target/R600/SIInstrInfo.cpp
@@ -202,6 +202,7 @@ MachineInstr *SIInstrInfo::buildMovInstr(MachineBasicBlock *MBB,
                                          unsigned DstReg,
                                          unsigned SrcReg) const {
   assert(!"Not Implemented");
+  return NULL;
 }
 
 bool SIInstrInfo::isMov(unsigned Opcode) const {