Decorate TSan tests with "@skipUnlessThreadSanitizer" which skips the tests if the selected compiler can't compile with "-fsanitize=thread".

llvm-svn: 267726

5 files changed, 22 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/decorators.py b/lldb/packages/Python/lldbsuite/test/decorators.py
index f5d194f6a46..d33a849ed23 100644
--- a/lldb/packages/Python/lldbsuite/test/decorators.py
+++ b/lldb/packages/Python/lldbsuite/test/decorators.py
@@ -7,6 +7,7 @@ from functools import wraps
 import os
 import re
 import sys
+import tempfile
 
 # Third-party modules
 import six
@@ -505,6 +506,23 @@ def skipUnlessCompilerRt(func):
         return "compiler-rt not found" if not os.path.exists(compilerRtPath) else None
     return skipTestIfFn(is_compiler_rt_missing)(func)
 
+def skipUnlessThreadSanitizer(func):
+    """Decorate the item to skip test unless Clang -fsanitize=thread is supported."""
+    def is_compiler_clang_with_thread_sanitizer(self):
+        compiler_path = self.getCompiler()
+        compiler = os.path.basename(compiler_path)
+        if not compiler.startswith("clang"):
+            return "Test requires clang as compiler"
+        f = tempfile.NamedTemporaryFile()
+        cmd = "echo 'int main() {}' | %s -x c -o %s -" % (compiler_path, f.name)
+        if os.popen(cmd).close() != None:
+            return None  # The compiler cannot compile at all, let's *not* skip the test
+        cmd = "echo 'int main() {}' | %s -fsanitize=thread -x c -o %s -" % (compiler_path, f.name)
+        if os.popen(cmd).close() != None:
+            return "Compiler cannot compile with -fsanitize=thread"
+        return None
+    return skipTestIfFn(is_compiler_clang_with_thread_sanitizer)(func)
+
 def skipUnlessClangModules():
     """Decorate the item to skip test unless Clang -gmodules flag is supported."""
     def is_compiler_clang_with_gmodules(self):
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py
index 12cd13b03f3..44fa9cedc86 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/basic/TestTsanBasic.py
@@ -17,6 +17,7 @@ class TsanBasicTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py
index ae36291787a..9878d629c97 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/multiple/TestTsanMultiple.py
@@ -17,6 +17,7 @@ class TsanMultipleTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py
index 14a0d03358e..ed620093c1f 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_leak/TestTsanThreadLeak.py
@@ -17,6 +17,7 @@ class TsanThreadLeakTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py
index 18ebaa08f8a..c7905bcb1c1 100644
--- a/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/tsan/thread_numbers/TestTsanThreadNumbers.py
@@ -17,6 +17,7 @@ class TsanThreadNumbersTestCase(TestBase):
     @skipIfFreeBSD # llvm.org/pr21136 runtimes not yet available by default
     @skipIfRemote
     @skipUnlessCompilerRt
+    @skipUnlessThreadSanitizer
     def test (self):
         self.build ()
         self.tsan_tests ()