[lldb][NFC] Add a simple test for thread_local storage.

Seems we fail to read TLS data on Linux, so the test only runs on macOS for now. We will see how this test runs on the BSD bots. llvm-svn: 370848

Author: Teemperor

lldb/packages/Python/lldbsuite/test/lang/cpp/thread_local/Makefile

@@ -0,0 +1,3 @@
+LEVEL = ../../../make
+CXX_SOURCES := main.cpp
+include $(LEVEL)/Makefile.rules

lldb/packages/Python/lldbsuite/test/lang/cpp/thread_local/TestThreadLocal.py

@@ -0,0 +1,5 @@
+from lldbsuite.test import lldbinline
+from lldbsuite.test import decorators
+
+lldbinline.MakeInlineTest(__file__, globals(),
+ lldbinline.expectedFailureAll(oslist=["windows", "linux"]))

lldb/packages/Python/lldbsuite/test/lang/cpp/thread_local/main.cpp

@@ -0,0 +1,17 @@
+int storage = 45;
+thread_local int tl_global_int = 123;
+thread_local int *tl_global_ptr = &storage;
+
+int main(int argc, char **argv) {
+ //% self.expect("expr tl_local_int", error=True, substrs=["couldn't get the value of variable tl_local_int"])
+ //% self.expect("expr *tl_local_ptr", error=True, substrs=["couldn't get the value of variable tl_local_ptr"])
+ thread_local int tl_local_int = 321;
+ thread_local int *tl_local_ptr = nullptr;
+ tl_local_ptr = &tl_local_int;
+ tl_local_int++;
+ //% self.expect("expr tl_local_int + 1", substrs=["int", "= 323"])
+ //% self.expect("expr *tl_local_ptr + 2", substrs=["int", "= 324"])
+ //% self.expect("expr tl_global_int", substrs=["int", "= 123"])
+ //% self.expect("expr *tl_global_ptr", substrs=["int", "= 45"])
+ return 0;
+}