--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/polly/test/lit.cfg	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,68 @@
+# -*clang- Python -*-
+
+import os
+import platform
+import re
+import subprocess
+
+import lit.formats
+import lit.util
+
+# Configuration file for the 'lit' test runner.
+
+# name: The name of this test suite.
+config.name = 'Polly'
+
+# testFormat: The test format to use to interpret tests.
+#
+# For now we require '&&' between commands, until they get globally killed and
+# the test runner updated.
+execute_external = platform.system() != 'Windows'
+config.test_format = lit.formats.ShTest(execute_external)
+
+# suffixes: A list of file extensions to treat as test files.
+config.suffixes = ['.ll']
+
+# test_source_root: The root path where tests are located.
+config.test_source_root = os.path.dirname(__file__)
+
+# test_exec_root: The root path where tests should be run.
+config.test_exec_root = os.path.join(config.polly_obj_root, 'test')
+
+# Tweak the PATH to include the tools dir and the scripts dir.
+base_paths = [config.llvm_tools_dir, config.environment['PATH']]
+path = os.path.pathsep.join(base_paths + config.extra_paths)
+config.environment['PATH'] = path
+
+path = os.path.pathsep.join((config.llvm_libs_dir,
+                              config.environment.get('LD_LIBRARY_PATH','')))
+config.environment['LD_LIBRARY_PATH'] = path
+
+# opt knows whether it is compiled with -DNDEBUG.
+import subprocess
+try:
+    opt_cmd = subprocess.Popen([os.path.join(config.llvm_tools_dir, 'opt'), '-version'],
+                           stdout = subprocess.PIPE,
+                           env=config.environment)
+except OSError:
+    print("Could not find opt in " + config.llvm_tools_dir)
+    exit(42)
+
+if re.search(r'with assertions', opt_cmd.stdout.read().decode('ascii')):
+    config.available_features.add('asserts')
+opt_cmd.wait()
+
+try:
+    llvm_config_cmd = subprocess.Popen([os.path.join(
+                                        config.llvm_tools_dir,
+                                        'llvm-config'),
+                                        '--targets-built'],
+                                       stdout = subprocess.PIPE,
+                                       env=config.environment)
+except OSError:
+    print("Could not find llvm-config in " + config.llvm_tools_dir)
+    exit(42)
+
+if re.search(r'NVPTX', llvm_config_cmd.stdout.read().decode('ascii')):
+    config.available_features.add('nvptx-registered-target')
+llvm_config_cmd.wait()