diff --git a/mlir/include/mlir/Conversion/NVVMToLLVM/NVVMToLLVM.h b/mlir/include/mlir/Conversion/NVVMToLLVM/NVVMToLLVM.h
--- a/mlir/include/mlir/Conversion/NVVMToLLVM/NVVMToLLVM.h
+++ b/mlir/include/mlir/Conversion/NVVMToLLVM/NVVMToLLVM.h
@@ -19,6 +19,8 @@
 #define GEN_PASS_DECL_CONVERTNVVMTOLLVMPASS
 #include "mlir/Conversion/Passes.h.inc"
 
+void populateNVVMToLLVMConversionPatterns(RewritePatternSet &patterns);
+
 } // namespace mlir
 
 #endif // MLIR_CONVERSION_NVVMTOLLVM_NVVMTOLLVMPASS_H_
diff --git a/mlir/lib/Conversion/NVVMToLLVM/NVVMToLLVM.cpp b/mlir/lib/Conversion/NVVMToLLVM/NVVMToLLVM.cpp
--- a/mlir/lib/Conversion/NVVMToLLVM/NVVMToLLVM.cpp
+++ b/mlir/lib/Conversion/NVVMToLLVM/NVVMToLLVM.cpp
@@ -183,7 +183,7 @@
     ConversionTarget target(getContext());
     target.addLegalDialect<::mlir::LLVM::LLVMDialect>();
     RewritePatternSet pattern(&getContext());
-    pattern.add<PtxLowering>(pattern.getContext());
+    mlir::populateNVVMToLLVMConversionPatterns(pattern);
     if (failed(
             applyPartialConversion(getOperation(), target, std::move(pattern))))
       signalPassFailure();
@@ -191,3 +191,7 @@
 };
 
 } // namespace
+
+void mlir::populateNVVMToLLVMConversionPatterns(RewritePatternSet &patterns) {
+  patterns.add<PtxLowering>(patterns.getContext());
+}