59 lines · python
1# -*- Python -*-2 3# Configuration file for 'lit' test runner.4# This file contains common config setup rules for unit tests in various5# compiler-rt testsuites.6 7import os8 9import lit.formats10 11# Copied from libcxx's config.py12def get_lit_conf(name, default=None):13 # Allow overriding on the command line using --param=<name>=<val>14 val = lit_config.params.get(name, None)15 if val is None:16 val = getattr(config, name, None)17 if val is None:18 val = default19 return val20 21 22emulator = get_lit_conf("emulator", None)23 24# Setup test format25llvm_build_mode = getattr(config, "llvm_build_mode", "Debug")26config.test_format = lit.formats.GoogleTest(llvm_build_mode, "Test", emulator)27 28# Setup test suffixes.29config.suffixes = []30 31# Tweak PATH to include llvm tools dir.32llvm_tools_dir = config.llvm_tools_dir33if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):34 lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)35path = os.path.pathsep.join((llvm_tools_dir, config.environment["PATH"]))36config.environment["PATH"] = path37 38# Propagate the temp directory. Windows requires this because it uses \Windows\39# if none of these are present.40if "TMP" in os.environ:41 config.environment["TMP"] = os.environ["TMP"]42if "TEMP" in os.environ:43 config.environment["TEMP"] = os.environ["TEMP"]44 45if config.target_os == "Darwin":46 # Only run up to 3 processes that require shadow memory simultaneously on47 # 64-bit Darwin. Using more scales badly and hogs the system due to48 # inefficient handling of large mmap'd regions (terabytes) by the kernel.49 lit_config.parallelism_groups["shadow-memory"] = 350 51 # Disable libmalloc nano allocator due to crashes running on macOS 12.0.52 # rdar://8008612553 config.environment["MallocNanoZone"] = "0"54 55 # We crash when we set DYLD_INSERT_LIBRARIES for unit tests, so interceptors56 # don't work.57 config.environment["ASAN_OPTIONS"] = "verify_interceptors=0"58 config.environment["TSAN_OPTIONS"] = "verify_interceptors=0"59