1# -*- Python -*-
2
3# Configuration file for 'lit' test runner.
4# This file contains common config setup rules for unit tests in various
5# compiler-rt testsuites.
6
7import os
8
9import lit.formats
10
11# Setup test format
12llvm_build_mode = getattr(config, "llvm_build_mode", "Debug")
13config.test_format = lit.formats.GoogleTest(llvm_build_mode, "Test")
14
15# Setup test suffixes.
16config.suffixes = []
17
18# Tweak PATH to include llvm tools dir.
19llvm_tools_dir = config.llvm_tools_dir
20if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
21  lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
22path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
23config.environment['PATH'] = path
24
25# Propagate the temp directory. Windows requires this because it uses \Windows\
26# if none of these are present.
27if 'TMP' in os.environ:
28    config.environment['TMP'] = os.environ['TMP']
29if 'TEMP' in os.environ:
30    config.environment['TEMP'] = os.environ['TEMP']
31
32if config.host_os == 'Darwin':
33  # Only run up to 3 processes that require shadow memory simultaneously on
34  # 64-bit Darwin. Using more scales badly and hogs the system due to
35  # inefficient handling of large mmap'd regions (terabytes) by the kernel.
36  lit_config.parallelism_groups["shadow-memory"] = 3
37
38  # The test config gets pickled and sent to multiprocessing workers, and that
39  # only works for code if it is stored at the top level of some module.
40  # Therefore, we have to put the code in a .py file, add it to path, and import
41  # it to store it in the config.
42  import site
43  site.addsitedir(os.path.dirname(__file__))
44  import lit_unittest_cfg_utils
45  config.darwin_sanitizer_parallelism_group_func = \
46    lit_unittest_cfg_utils.darwin_sanitizer_parallelism_group_func
47