diff --git a/llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt b/llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
--- a/llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
+++ b/llvm/unittests/ExecutionEngine/Orc/CMakeLists.txt
@@ -24,6 +24,7 @@
   JITTargetMachineBuilderTest.cpp
   LazyCallThroughAndReexportsTest.cpp
   LookupAndRecordAddrsTest.cpp
+  MachOPlatformTest.cpp
   MapperJITLinkMemoryManagerTest.cpp
   MemoryMapperTest.cpp
   ObjectLinkingLayerTest.cpp
diff --git a/llvm/unittests/ExecutionEngine/Orc/MachOPlatformTest.cpp b/llvm/unittests/ExecutionEngine/Orc/MachOPlatformTest.cpp
new file mode 100644
--- /dev/null
+++ b/llvm/unittests/ExecutionEngine/Orc/MachOPlatformTest.cpp
@@ -0,0 +1,25 @@
+//===----------- MachOPlatformTest.cpp -- Tests for MachOPlatform ---------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "OrcTestCommon.h"
+
+#include "llvm/ExecutionEngine/Orc/MachOPlatform.h"
+
+using namespace llvm::orc;
+
+TEST(MachOPlatformTest, InitializerSectionTest) {
+  EXPECT_TRUE(MachOPlatform::isInitializerSection("__DATA", "__mod_init_func"));
+  EXPECT_TRUE(
+      MachOPlatform::isInitializerSection("__DATA", "__objc_classlist"));
+  EXPECT_TRUE(MachOPlatform::isInitializerSection("__DATA", "__objc_selrefs"));
+  EXPECT_TRUE(MachOPlatform::isInitializerSection("__TEXT", "__swift5_proto"));
+  EXPECT_TRUE(MachOPlatform::isInitializerSection("__TEXT", "__swift5_protos"));
+  EXPECT_TRUE(MachOPlatform::isInitializerSection("__TEXT", "__swift5_types"));
+
+  EXPECT_FALSE(MachOPlatform::isInitializerSection("__TEXT", "__text"));
+}