lit.cfg
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# -*- Python -*-
from lit import Test
import lit.formats
import lit.util
import subprocess
def getSysrootFlagsOnDarwin(config, lit_config):
# On Darwin, support relocatable SDKs by providing Clang with a
# default system root path.
if 'darwin' in config.target_triple:
try:
out = subprocess.check_output(['xcrun', '--show-sdk-path']).strip().decode()
res = 0
except OSError:
res = -1
if res == 0 and out:
sdk_path = out
lit_config.note('using SDKROOT: %r' % sdk_path)
return '-isysroot %s' % sdk_path
return ''
sysroot_flags = getSysrootFlagsOnDarwin(config, lit_config)
config.clang = lit.util.which('clang', config.clang_tools_dir).replace('\\', '/')
config.name = 'Clang Perf Training'
config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap']
cc1_wrapper = '%s %s/perf-helper.py cc1' % (config.python_exe, config.perf_helper_dir)
use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
config.test_format = lit.formats.ShTest(use_lit_shell == "0")
config.substitutions.append( ('%clang_cpp_skip_driver', ' %s %s %s ' % (cc1_wrapper, config.clang, sysroot_flags)))
config.substitutions.append( ('%clang_cpp', ' %s --driver-mode=g++ %s ' % (config.clang, sysroot_flags)))
config.substitutions.append( ('%clang_skip_driver', ' %s %s %s ' % (cc1_wrapper, config.clang, sysroot_flags)))
config.substitutions.append( ('%clang', ' %s %s ' % (config.clang, sysroot_flags) ) )
config.substitutions.append( ('%test_root', config.test_exec_root ) )
config.environment['LLVM_PROFILE_FILE'] = 'perf-training-%4m.profraw'