diff --git a/mlir/include/mlir/Conversion/FuncToLLVM/ConvertFuncToLLVMPass.h b/mlir/include/mlir/Conversion/FuncToLLVM/ConvertFuncToLLVMPass.h
--- a/mlir/include/mlir/Conversion/FuncToLLVM/ConvertFuncToLLVMPass.h
+++ b/mlir/include/mlir/Conversion/FuncToLLVM/ConvertFuncToLLVMPass.h
@@ -16,6 +16,7 @@
 class Pass;
 
 #define GEN_PASS_DECL_CONVERTFUNCTOLLVMPASS
+#define GEN_PASS_DECL_SETMODULEDATALAYOUTPASS
 #include "mlir/Conversion/Passes.h.inc"
 
 } // namespace mlir
diff --git a/mlir/include/mlir/Conversion/Passes.td b/mlir/include/mlir/Conversion/Passes.td
--- a/mlir/include/mlir/Conversion/Passes.td
+++ b/mlir/include/mlir/Conversion/Passes.td
@@ -328,6 +328,21 @@
 // FuncToLLVM
 //===----------------------------------------------------------------------===//
 
+def SetModuleDataLayoutPass : Pass<"set-module-datalayout", "ModuleOp"> {
+  let summary = "Attach a datalayout string as a module attribute";
+  let description = [{
+    Verify that the dataLayout string is a valid LLVM datalayout string and
+    attach it as an attribute `LLVMDialect::getDataLayoutAttrName()` to the
+    module.
+  }];
+  let options = [
+    Option<"dataLayout", "data-layout", "std::string",
+           /*default=*/"\"\"",
+           "String description (LLVM format) of the data layout that is "
+           "expected on the produced module">,
+  ];
+}
+
 def ConvertFuncToLLVMPass : Pass<"convert-func-to-llvm", "ModuleOp"> {
   let summary = "Convert from the Func dialect to the LLVM dialect";
   let description = [{
diff --git a/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp b/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
--- a/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
+++ b/mlir/lib/Conversion/FuncToLLVM/FuncToLLVM.cpp
@@ -49,6 +49,7 @@
 
 namespace mlir {
 #define GEN_PASS_DEF_CONVERTFUNCTOLLVMPASS
+#define GEN_PASS_DEF_SETMODULEDATALAYOUTPASS
 #include "mlir/Conversion/Passes.h.inc"
 } // namespace mlir
 
@@ -772,7 +773,23 @@
     LLVMConversionTarget target(getContext());
     if (failed(applyPartialConversion(m, target, std::move(patterns))))
       signalPassFailure();
+  }
+};
+
+struct SetModuleDataLayoutPass
+    : public impl::SetModuleDataLayoutPassBase<SetModuleDataLayoutPass> {
+  using Base::Base;
 
+  /// Run the dialect converter on the module.
+  void runOnOperation() override {
+    if (failed(LLVM::LLVMDialect::verifyDataLayoutString(
+            this->dataLayout, [this](const Twine &message) {
+              getOperation().emitError() << message.str();
+            }))) {
+      signalPassFailure();
+      return;
+    }
+    ModuleOp m = getOperation();
     m->setAttr(LLVM::LLVMDialect::getDataLayoutAttrName(),
                StringAttr::get(m.getContext(), this->dataLayout));
   }
diff --git a/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir b/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
--- a/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
+++ b/mlir/test/Conversion/FuncToLLVM/convert-data-layout.mlir
@@ -1,5 +1,7 @@
-// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' %s | FileCheck %s
-// RUN-32: mlir-opt -convert-func-to-llvm='data-layout=p:32:32:32 use-opaque-pointers=1' %s | FileCheck %s
+// RUN: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' -set-module-datalayout %s | FileCheck %s
+
+// RUN-32: mlir-opt -convert-func-to-llvm='use-opaque-pointers=1' -set-module-datalayout='data-layout=p:32:32:32' %s \
+// RUN-32: | FileCheck %s
 
 // CHECK: module attributes {llvm.data_layout = ""}
 // CHECK-32: module attributes {llvm.data_layout ="p:32:32:32"}