[lsan] Run the leak detection tests under both ASan and LSan.

Change the LSan lit test logic. Now "check-lsan" tests the leak
checking functionality in both standalone LSan and ASan.

llvm-svn: 183000

1 files changed, 41 insertions, 0 deletions

diff --git a/compiler-rt/lib/lsan/lit_tests/lit.common.cfg b/compiler-rt/lib/lsan/lit_tests/lit.common.cfg
new file mode 100644
index 00000000000..b3edc9bb219
--- /dev/null
+++ b/compiler-rt/lib/lsan/lit_tests/lit.common.cfg
@@ -0,0 +1,41 @@
+# -*- Python -*-
+
+# Common configuration for running leak detection tests under LSan/ASan.
+
+import os
+
+def get_required_attr(config, attr_name):
+  attr_value = getattr(config, attr_name, None)
+  if not attr_value:
+    lit.fatal("No attribute %r in test configuration! You may need to run "
+              "tests from your build directory or add this attribute "
+              "to lit.site.cfg " % attr_name)
+  return attr_value
+
+# Setup source root.
+lsan_lit_src_root = get_required_attr(config, 'lsan_lit_src_root')
+config.test_source_root = os.path.join(lsan_lit_src_root, 'TestCases')
+
+# Setup attributes common for all compiler-rt projects.
+compiler_rt_src_root = get_required_attr(config, 'compiler_rt_src_root')
+compiler_rt_lit_cfg = os.path.join(compiler_rt_src_root, "lib", "lit.common.cfg")
+if (not compiler_rt_lit_cfg) or (not os.path.exists(compiler_rt_lit_cfg)):
+  lit.fatal("Can't find common compiler-rt lit config at: %r"
+            % compiler_rt_lit_cfg)
+lit.load_config(config, compiler_rt_lit_cfg)
+
+clang_cxxflags = ("-ccc-cxx "
+                      + "-g "
+                      + "-O0 "
+                      + "-m64 ")
+
+config.clang_cxxflags = clang_cxxflags
+
+config.substitutions.append( ("%clangxx ", (" " + config.clang + " " +
+                                                clang_cxxflags + " ")) )
+
+# LeakSanitizer tests are currently supported on x86-64 Linux only.
+if config.host_os not in ['Linux'] or config.host_arch not in ['x86_64']:
+  config.unsupported = True
+
+config.suffixes = ['.c', '.cc', '.cpp']