diff --git a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
--- a/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
+++ b/mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
@@ -790,7 +790,7 @@
 // ReturnOp
 //===----------------------------------------------------------------------===//
 
-def LLVM_ReturnOp : LLVM_TerminatorOp<"return", [Pure]> {
+def LLVM_ReturnOp : LLVM_TerminatorOp<"return", [Pure, ReturnLike]> {
   let arguments = (ins Optional<LLVM_Type>:$arg);
   let assemblyFormat = "attr-dict ($arg^ `:` type($arg))?";