Add decorator support for the DWARF version produced by the compiler

and mark up some tests failing in
  http://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake-matrix/

llvm-svn: 352072

1 files changed, 13 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/lldbtest.py b/lldb/packages/Python/lldbsuite/test/lldbtest.py
index 161e8c61349..f9c21d322da 100644
--- a/lldb/packages/Python/lldbsuite/test/lldbtest.py
+++ b/lldb/packages/Python/lldbsuite/test/lldbtest.py
@@ -1309,6 +1309,19 @@ class Base(unittest2.TestCase):
                 version = m.group(1)
         return version
 
+    def getDwarfVersion(self):
+        """ Returns the dwarf version generated by clang or 'unknown'. """
+        if 'clang' not in self.getCompiler():
+            return 'unknown'
+        driver_output = check_output(
+            [self.getCompiler()] + '-g -c -x c - -o - -###'.split(),
+            stderr=STDOUT)
+        for line in driver_output.split(os.linesep):
+            m = re.search('dwarf-version=([0-9])', line)
+            if m:
+                return m.group(1)
+        return 'unknown'
+
     def platformIsDarwin(self):
         """Returns true if the OS triple for the selected platform is any valid apple OS"""
         return lldbplatformutil.platformIsDarwin()