diff --git a/mlir/include/mlir/Target/LLVMIR.h b/mlir/include/mlir/Target/LLVMIR.h
--- a/mlir/include/mlir/Target/LLVMIR.h
+++ b/mlir/include/mlir/Target/LLVMIR.h
@@ -15,6 +15,7 @@
 
 #include "mlir/Support/LLVM.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
 #include <memory>
 
 // Forward-declare LLVM classes.
@@ -35,7 +36,8 @@
 /// the MLIR module), and return `nullptr`.
 std::unique_ptr<llvm::Module>
 translateModuleToLLVMIR(ModuleOp m, llvm::LLVMContext &llvmContext,
-                        StringRef name = "LLVMDialectModule");
+                        StringRef name = "LLVMDialectModule",
+                        llvm::Triple configTriple = llvm::Triple());
 
 /// Convert the given LLVM module into MLIR's LLVM dialect.  The LLVM context is
 /// extracted from the registered LLVM IR dialect. In case of error, report it
diff --git a/mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h b/mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
--- a/mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
+++ b/mlir/include/mlir/Target/LLVMIR/ModuleTranslation.h
@@ -21,6 +21,7 @@
 #include "mlir/IR/Value.h"
 #include "mlir/Target/LLVMIR/TypeTranslation.h"
 
+#include "llvm/ADT/Triple.h"
 #include "llvm/Frontend/OpenMP/OMPIRBuilder.h"
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Function.h"
@@ -52,13 +53,14 @@
   template <typename T = ModuleTranslation>
   static std::unique_ptr<llvm::Module>
   translateModule(Operation *m, llvm::LLVMContext &llvmContext,
-                  StringRef name = "LLVMDialectModule") {
+                  StringRef name = "LLVMDialectModule",
+                  llvm::Triple configTriple = llvm::Triple()) {
     if (!satisfiesLLVMModule(m))
       return nullptr;
     if (failed(checkSupportedModuleOps(m)))
       return nullptr;
     std::unique_ptr<llvm::Module> llvmModule =
-        prepareLLVMModule(m, llvmContext, name);
+        prepareLLVMModule(m, llvmContext, name, configTriple);
 
     LLVM::ensureDistinctSuccessors(m);
 
@@ -97,7 +99,7 @@
 
   static std::unique_ptr<llvm::Module>
   prepareLLVMModule(Operation *m, llvm::LLVMContext &llvmContext,
-                    StringRef name);
+                    StringRef name, llvm::Triple configTriple);
 
   /// A helper to look up remapped operands in the value remapping table.
   SmallVector<llvm::Value *, 8> lookupValues(ValueRange values);
diff --git a/mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp b/mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
--- a/mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
+++ b/mlir/lib/Target/LLVMIR/ConvertToLLVMIR.cpp
@@ -17,6 +17,7 @@
 #include "mlir/Translation.h"
 
 #include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/IR/Module.h"
 #include "llvm/IR/Verifier.h"
 #include "llvm/Support/ToolOutputFile.h"
@@ -25,7 +26,7 @@
 
 std::unique_ptr<llvm::Module>
 mlir::translateModuleToLLVMIR(ModuleOp m, llvm::LLVMContext &llvmContext,
-                              StringRef name) {
+                              StringRef name, llvm::Triple triple) {
   auto llvmModule =
       LLVM::ModuleTranslation::translateModule<>(m, llvmContext, name);
   if (!llvmModule)
diff --git a/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp b/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
--- a/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
@@ -938,7 +938,8 @@
 }
 
 std::unique_ptr<llvm::Module> ModuleTranslation::prepareLLVMModule(
-    Operation *m, llvm::LLVMContext &llvmContext, StringRef name) {
+    Operation *m, llvm::LLVMContext &llvmContext, StringRef name,
+    llvm::Triple configTriple) {
   m->getContext()->getOrLoadDialect<LLVM::LLVMDialect>();
   auto llvmModule = std::make_unique<llvm::Module>(name, llvmContext);
   if (auto dataLayoutAttr =
@@ -953,5 +954,11 @@
   llvmModule->getOrInsertFunction("free", builder.getVoidTy(),
                                   builder.getInt8PtrTy());
 
+  if (configTriple.isKnownWindowsMSVCEnvironment()) {
+    // Dwarf debugging files will be generated by default, unless "CodeView" is
+    // set explicitly. Windows/MSVC should use CodeView instead.
+    llvmModule->addModuleFlag(llvm::Module::Warning, "CodeView", 1);
+  }
+
   return llvmModule;
 }