Index: mlir/examples/toy/Ch6/CMakeLists.txt
===================================================================
--- mlir/examples/toy/Ch6/CMakeLists.txt
+++ mlir/examples/toy/Ch6/CMakeLists.txt
@@ -36,6 +36,8 @@
     MLIRExecutionEngine
     MLIRIR
     MLIRLLVMIR
+    MLIROpenMP
+    LLVMFrontendOpenMP
     MLIRLoopToStandard
     MLIRParser
     MLIRPass
@@ -49,5 +51,7 @@
   MLIRAffineToStandard
   MLIRAffineOps
   MLIRLLVMIR
+  MLIROpenMP
+  LLVMFrontendOpenMP
   MLIRStandardOps
   )
Index: mlir/examples/toy/Ch7/CMakeLists.txt
===================================================================
--- mlir/examples/toy/Ch7/CMakeLists.txt
+++ mlir/examples/toy/Ch7/CMakeLists.txt
@@ -36,6 +36,8 @@
     MLIRExecutionEngine
     MLIRIR
     MLIRLLVMIR
+    MLIROpenMP
+    LLVMFrontendOpenMP
     MLIRLoopToStandard
     MLIRParser
     MLIRPass
@@ -49,5 +51,7 @@
   MLIRAffineToStandard
   MLIRAffineOps
   MLIRLLVMIR
+  MLIROpenMP
+  LLVMFrontendOpenMP
   MLIRStandardOps
   )
Index: mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
===================================================================
--- mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
+++ mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
@@ -19,10 +19,14 @@
 #include "mlir/IR/Module.h"
 #include "mlir/IR/Value.h"
 
+#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/Value.h"
+#include "llvm/Support/CommandLine.h"
+
+extern llvm::cl::opt<bool> enableOpenMP;
 
 namespace mlir {
 class Attribute;
@@ -53,6 +57,11 @@
 
     T translator(m);
     translator.llvmModule = std::move(llvmModule);
+    if (enableOpenMP) {
+      translator.OMPBuilder = std::move(
+          std::make_unique<llvm::OpenMPIRBuilder>(*translator.llvmModule));
+      translator.OMPBuilder->initialize();
+    }
     translator.convertGlobals();
     if (failed(translator.convertFunctions()))
       return nullptr;
@@ -97,6 +106,7 @@
   // Original and translated module.
   Operation *mlirModule;
   std::unique_ptr<llvm::Module> llvmModule;
+  std::unique_ptr<llvm::OpenMPIRBuilder> OMPBuilder;
 
   // Mappings between llvm.mlir.global definitions and corresponding globals.
   DenseMap<Operation *, llvm::GlobalValue *> globalsMapping;
Index: mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
===================================================================
--- mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
+++ mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
@@ -17,8 +17,13 @@
 
 #include "llvm/ADT/StringRef.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/CommandLine.h"
 #include "llvm/Support/ToolOutputFile.h"
 
+llvm::cl::opt<bool> enableOpenMP{
+    "enable-openmp", llvm::cl::desc("Enable translation of OpenMP dialect Ops"),
+    llvm::cl::init(false)};
+
 using namespace mlir;
 
 std::unique_ptr<llvm::Module> mlir::translateModuleToLLVMIR(ModuleOp m) {
Index: mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
===================================================================
--- mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
+++ mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
@@ -14,12 +14,14 @@
 #include "mlir/Target/LLVMIR/ModuleTranslation.h"
 
 #include "mlir/Dialect/LLVMIR/LLVMDialect.h"
+#include "mlir/Dialect/OpenMP/OpenMPDialect.h"
 #include "mlir/IR/Attributes.h"
 #include "mlir/IR/Module.h"
 #include "mlir/IR/StandardTypes.h"
 #include "mlir/Support/LLVM.h"
 
 #include "llvm/ADT/SetVector.h"
+#include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
@@ -332,6 +334,14 @@
     return success();
   }
 
+  if (enableOpenMP) {
+    if (auto barrierOp = dyn_cast<omp::BarrierOp>(opInst)) {
+      llvm::OpenMPIRBuilder::LocationDescription Loc({builder.saveIP()});
+      OMPBuilder->CreateBarrier(Loc, llvm::omp::OMPD_barrier);
+      return success();
+    }
+  }
+
   return opInst.emitError("unsupported or non-LLVM operation: ")
          << opInst.getName();
 }
Index: mlir/test/Target/openmp-llvm.mlir
===================================================================
--- /dev/null
+++ mlir/test/Target/openmp-llvm.mlir
@@ -0,0 +1,11 @@
+// RUN: mlir-translate -enable-openmp -mlir-to-llvmir %s | FileCheck %s
+
+// CHECK-LABEL: define void @empty() {
+// CHECK: [[OMP_THREAD:%.*]] = call i32 @__kmpc_global_thread_num(%struct.ident_t* @{{[0-9]+}})
+// CHECK-NEXT:  call void @__kmpc_barrier(%struct.ident_t* @{{[0-9]+}}, i32 [[OMP_THREAD]])
+// CHECK-NEXT:    ret void
+// CHECK-NEXT:  }
+llvm.func @empty() {
+  omp.barrier
+  llvm.return
+}
Index: mlir/tools/mlir-cpu-runner/CMakeLists.txt
===================================================================
--- mlir/tools/mlir-cpu-runner/CMakeLists.txt
+++ mlir/tools/mlir-cpu-runner/CMakeLists.txt
@@ -5,6 +5,8 @@
 whole_archive_link(mlir-cpu-runner
   MLIRAffineOps
   MLIRLLVMIR
+  MLIROpenMP
+  LLVMFrontendOpenMP
   MLIRTargetLLVMIR
   MLIRTranslation
 )
@@ -15,6 +17,8 @@
   MLIRIR
   MLIRJitRunner
   MLIRLLVMIR
+  MLIROpenMP
+  LLVMFrontendOpenMP
   MLIRParser
   MLIRTargetLLVMIR
   MLIRSupport
Index: mlir/tools/mlir-translate/CMakeLists.txt
===================================================================
--- mlir/tools/mlir-translate/CMakeLists.txt
+++ mlir/tools/mlir-translate/CMakeLists.txt
@@ -8,6 +8,8 @@
   MLIRTargetROCDLIR
   MLIRTranslation
   MLIRSupport
+  MLIROpenMP
+  LLVMFrontendOpenMP
 )
 add_llvm_executable(mlir-translate
   mlir-translate.cpp