Index: llvm/lib/Target/SPIRV/SPIRVUtils.cpp
===================================================================
--- llvm/lib/Target/SPIRV/SPIRVUtils.cpp
+++ llvm/lib/Target/SPIRV/SPIRVUtils.cpp
@@ -208,6 +208,7 @@
   case AtomicOrdering::NotAtomic:
     return SPIRV::MemorySemantics::None;
   }
+  return SPIRV::MemorySemantics::None;
 }
 
 MachineInstr *getDefInstrMaybeConstant(Register &ConstReg,