Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/dfsan/lit.cfg

@@ -0,0 +1,26 @@
+# -*- Python -*-
+
+import os
+
+# Setup config name.
+config.name = 'DataFlowSanitizer' + config.name_suffix
+
+# Setup source root.
+config.test_source_root = os.path.dirname(__file__)
+
+# Setup default compiler flags used with -fsanitize=dataflow option.
+clang_dfsan_cflags = ["-fsanitize=dataflow", config.target_cflags]
+clang_dfsan_cxxflags = config.cxx_mode_flags + clang_dfsan_cflags
+
+def build_invocation(compile_flags):
+  return " " + " ".join([config.clang] + compile_flags) + " "
+
+config.substitutions.append( ("%clang_dfsan ", build_invocation(clang_dfsan_cflags)) )
+config.substitutions.append( ("%clangxx_dfsan ", build_invocation(clang_dfsan_cxxflags)) )
+
+# Default test suffixes.
+config.suffixes = ['.c', '.cc', '.cpp']
+
+# DataFlowSanitizer tests are currently supported on Linux only.
+if config.host_os not in ['Linux']:
+  config.unsupported = True