From 8c01e76d27d57af7913a9c9a9b925b1264fab98f Mon Sep 17 00:00:00 2001
From: Alexey Samsonov <samsonov@google.com>
Date: Fri, 28 Dec 2012 09:32:36 +0000
Subject: [PATCH] [TSan] Add lit test for -fsanitize-blacklist= flag

llvm-svn: 171185
---
 .../lib/tsan/lit_tests/Helpers/blacklist.txt  |  1 +
 .../lib/tsan/lit_tests/Helpers/lit.local.cfg  |  2 ++
 compiler-rt/lib/tsan/lit_tests/blacklist.cc   | 31 +++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 compiler-rt/lib/tsan/lit_tests/Helpers/blacklist.txt
 create mode 100644 compiler-rt/lib/tsan/lit_tests/Helpers/lit.local.cfg
 create mode 100644 compiler-rt/lib/tsan/lit_tests/blacklist.cc

diff --git a/compiler-rt/lib/tsan/lit_tests/Helpers/blacklist.txt b/compiler-rt/lib/tsan/lit_tests/Helpers/blacklist.txt
new file mode 100644
index 000000000000..8000206078b1
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/Helpers/blacklist.txt
@@ -0,0 +1 @@
+fun:*Thread2*
diff --git a/compiler-rt/lib/tsan/lit_tests/Helpers/lit.local.cfg b/compiler-rt/lib/tsan/lit_tests/Helpers/lit.local.cfg
new file mode 100644
index 000000000000..9246b10352a7
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/Helpers/lit.local.cfg
@@ -0,0 +1,2 @@
+# Files in this directory are helper files for other output tests.
+config.suffixes = []
diff --git a/compiler-rt/lib/tsan/lit_tests/blacklist.cc b/compiler-rt/lib/tsan/lit_tests/blacklist.cc
new file mode 100644
index 000000000000..855c4ff1aeab
--- /dev/null
+++ b/compiler-rt/lib/tsan/lit_tests/blacklist.cc
@@ -0,0 +1,31 @@
+// Test blacklist functionality for TSan.
+
+// RUN: %clangxx_tsan -O1 %s \
+// RUN:   -fsanitize-blacklist=%p/Helpers/blacklist.txt \
+// RUN:   -o %t && %t 2>&1 | FileCheck %s
+#include <pthread.h>
+#include <stdio.h>
+
+int Global;
+
+void *Thread1(void *x) {
+  Global++;
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  Global--;
+  return NULL;
+}
+
+int main() {
+  pthread_t t[2];
+  pthread_create(&t[0], NULL, Thread1, NULL);
+  pthread_create(&t[1], NULL, Thread2, NULL);
+  pthread_join(t[0], NULL);
+  pthread_join(t[1], NULL);
+  printf("PASS\n");
+  return 0;
+}
+
+// CHECK-NOT: ThreadSanitizer: data race