Index: flang/include/flang/Tools/CrossToolHelpers.h
===================================================================
--- flang/include/flang/Tools/CrossToolHelpers.h
+++ flang/include/flang/Tools/CrossToolHelpers.h
@@ -61,7 +61,7 @@
     if (Opts.OpenMPIsDevice) {
       offloadMod.setFlags(Opts.OpenMPTargetDebug, Opts.OpenMPTeamSubscription,
           Opts.OpenMPThreadSubscription, Opts.OpenMPNoThreadState,
-          Opts.OpenMPNoNestedParallelism);
+          Opts.OpenMPNoNestedParallelism, 50 /* Default OpenMP version */);
 
       if (!Opts.OMPHostIRFile.empty())
         offloadMod.setHostIRFilePath(Opts.OMPHostIRFile);
Index: mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
===================================================================
--- mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
+++ mlir/include/mlir/Dialect/OpenMP/OpenMPOps.td
@@ -53,6 +53,14 @@
   let assemblyFormat = "`<` struct(params) `>`";
 }
 
+def VersionAttr : OpenMP_Attr<"Version", "version"> {
+  let parameters = (ins
+    "uint32_t":$version
+  );
+
+  let assemblyFormat = "`<` struct(params) `>`";
+}
+
 //===----------------------------------------------------------------------===//
 // Runtime library flag's attribute that holds information for lowering to LLVM
 //===----------------------------------------------------------------------===//
@@ -63,7 +71,8 @@
     DefaultValuedParameter<"bool", "false">:$assume_teams_oversubscription,
     DefaultValuedParameter<"bool", "false">:$assume_threads_oversubscription,
     DefaultValuedParameter<"bool", "false">:$assume_no_thread_state,
-    DefaultValuedParameter<"bool", "false">:$assume_no_nested_parallelism
+    DefaultValuedParameter<"bool", "false">:$assume_no_nested_parallelism,
+    DefaultValuedParameter<"uint32_t", "50">:$openmp_device_version
   );
 
   let assemblyFormat = "`<` struct(params) `>`";
Index: mlir/include/mlir/Dialect/OpenMP/OpenMPOpsInterfaces.td
===================================================================
--- mlir/include/mlir/Dialect/OpenMP/OpenMPOpsInterfaces.td
+++ mlir/include/mlir/Dialect/OpenMP/OpenMPOpsInterfaces.td
@@ -104,11 +104,12 @@
             "bool":$assumeTeamsOversubscription,
             "bool":$assumeThreadsOversubscription,
             "bool":$assumeNoThreadState,
-            "bool":$assumeNoNestedParallelism), [{}], [{
+            "bool":$assumeNoNestedParallelism,
+            "uint32_t":$openmpDeviceVersion), [{}], [{
         $_op->setAttr(("omp." + mlir::omp::FlagsAttr::getMnemonic()).str(),
                   mlir::omp::FlagsAttr::get($_op->getContext(), debugKind,
                       assumeTeamsOversubscription, assumeThreadsOversubscription,
-                      assumeNoThreadState, assumeNoNestedParallelism));
+                      assumeNoThreadState, assumeNoNestedParallelism, openmpDeviceVersion));
       }]>,
     InterfaceMethod<
       /*description=*/[{
Index: mlir/test/Dialect/OpenMP/attr.mlir
===================================================================
--- mlir/test/Dialect/OpenMP/attr.mlir
+++ mlir/test/Dialect/OpenMP/attr.mlir
@@ -1,7 +1,7 @@
 // RUN: mlir-opt %s | mlir-opt | FileCheck %s
 
 // CHECK: module attributes {omp.flags = #omp.flags<>} {
-module attributes {omp.flags = #omp.flags<debug_kind = 0, assume_teams_oversubscription = false, assume_threads_oversubscription = false, assume_no_thread_state = false, assume_no_nested_parallelism = false>} {}
+module attributes {omp.flags = #omp.flags<debug_kind = 0, assume_teams_oversubscription = false, assume_threads_oversubscription = false, assume_no_thread_state = false, assume_no_nested_parallelism = false, openmp_device_version = 50>} {}
 
 // CHECK: module attributes {omp.flags = #omp.flags<debug_kind = 20>} {
 module attributes {omp.flags = #omp.flags<debug_kind = 20, assume_teams_oversubscription = false, assume_threads_oversubscription = false, assume_no_thread_state = false, assume_no_nested_parallelism = false>} {}
@@ -29,3 +29,30 @@
 
 // CHECK: module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, assume_no_thread_state = true>} {
 module attributes {omp.flags = #omp.flags<assume_no_thread_state = true, assume_teams_oversubscription = true>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<debug_kind = 20, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<debug_kind = 20, assume_teams_oversubscription = false, assume_threads_oversubscription = false, assume_no_thread_state = false, assume_no_nested_parallelism = false, openmp_device_version = 51>} {}
+
+//: module attributes {omp.flags = #omp.flags<debug_kind = 100, assume_teams_oversubscription = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<debug_kind = 100, assume_teams_oversubscription = true, assume_threads_oversubscription = false, assume_no_thread_state = false, assume_no_nested_parallelism = false, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<debug_kind = 200, assume_teams_oversubscription = true, assume_threads_oversubscription = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<debug_kind = 200, assume_teams_oversubscription = true, assume_threads_oversubscription = true, assume_no_thread_state = false, assume_no_nested_parallelism = false, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<debug_kind = 300, assume_teams_oversubscription = true, assume_threads_oversubscription = true, assume_no_thread_state = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<debug_kind = 300, assume_teams_oversubscription = true, assume_threads_oversubscription = true, assume_no_thread_state = true, assume_no_nested_parallelism = false, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<debug_kind = 400, assume_teams_oversubscription = true, assume_threads_oversubscription = true, assume_no_thread_state = true, assume_no_nested_parallelism = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<debug_kind = 400, assume_teams_oversubscription = true, assume_threads_oversubscription = true, assume_no_thread_state = true, assume_no_nested_parallelism = true, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, assume_no_thread_state = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, assume_no_thread_state = true, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.flags = #omp.flags<assume_teams_oversubscription = true, assume_no_thread_state = true, openmp_device_version = 51>} {
+module attributes {omp.flags = #omp.flags<assume_no_thread_state = true, assume_teams_oversubscription = true, openmp_device_version = 51>} {}
+
+// CHECK: module attributes {omp.version = #omp.version<version = 51>} {
+module attributes {omp.version = #omp.version<version = 51>} {}