1 files changed, 50 insertions, 0 deletions
diff --git a/lib/tsan/tests/rtl/tsan_test.cc b/lib/tsan/tests/rtl/tsan_test.cc
new file mode 100644
index 000000000000..2184284d39ce
--- /dev/null
+++ b/lib/tsan/tests/rtl/tsan_test.cc
@@ -0,0 +1,50 @@
+//===-- tsan_test.cc ------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a part of ThreadSanitizer (TSan), a race detector.
+//
+//===----------------------------------------------------------------------===//
+#include "tsan_interface.h"
+#include "tsan_test_util.h"
+#include "gtest/gtest.h"
+
+static void foo() {}
+static void bar() {}
+
+TEST(ThreadSanitizer, FuncCall) {
+  ScopedThread t1, t2;
+  MemLoc l;
+  t1.Write1(l);
+  t2.Call(foo);
+  t2.Call(bar);
+  t2.Write1(l, true);
+  t2.Return();
+  t2.Return();
+}
+
+// We use this function instead of main, as ISO C++ forbids taking the address
+// of main, which we need to pass inside __tsan_func_entry.
+int run_tests(int argc, char **argv) {
+  TestMutexBeforeInit();  // Mutexes must be usable before __tsan_init();
+  __tsan_init();
+  __tsan_func_entry(__builtin_return_address(0));
+  __tsan_func_entry((void*)((intptr_t)&run_tests + 1));
+
+  testing::GTEST_FLAG(death_test_style) = "threadsafe";
+  testing::InitGoogleTest(&argc, argv);
+  int res = RUN_ALL_TESTS();
+
+  __tsan_func_exit();
+  __tsan_func_exit();
+  return res;
+}
+
+int main(int argc, char **argv) {
+  return run_tests(argc, argv);
+}