From df2efd770047ad75af7805e72dd853ae9510a27b Mon Sep 17 00:00:00 2001
From: Ni Hui <shuizhuyuanluo@gmail.com>
Date: Thu, 27 Aug 2020 04:01:23 +0000
Subject: [PATCH] Fix MLIR build with MLIR_INCLUDE_TESTS=OFF

error message

/usr/bin/ld: CMakeFiles/mlir-opt.dir/mlir-opt.cpp.o: in function `main':
mlir-opt.cpp:(.text.startup.main+0xb9): undefined reference to `mlir::registerTestDialect(mlir::DialectRegistry&)'

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D86592
---
 mlir/tools/mlir-opt/mlir-opt.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mlir/tools/mlir-opt/mlir-opt.cpp b/mlir/tools/mlir-opt/mlir-opt.cpp
index 6f27949..ad76abe 100644
--- a/mlir/tools/mlir-opt/mlir-opt.cpp
+++ b/mlir/tools/mlir-opt/mlir-opt.cpp
@@ -133,7 +133,9 @@ int main(int argc, char **argv) {
 #endif
   DialectRegistry registry;
   registerAllDialects(registry);
+#ifdef MLIR_INCLUDE_TESTS
   registerTestDialect(registry);
+#endif
   return failed(MlirOptMain(argc, argv, "MLIR modular optimizer driver\n",
                             registry,
                             /*preloadDialectsInContext=*/false));
-- 
2.7.4