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1# -*- Python -*-2 3from lit import Test4import lit.formats5import lit.util6import os7import subprocess8 9def getSysrootFlagsOnDarwin(config, lit_config):10 # On Darwin, support relocatable SDKs by providing Clang with a11 # default system root path.12 if 'darwin' in config.target_triple:13 try:14 out = subprocess.check_output(['xcrun', '--show-sdk-path']).strip()15 res = 016 except OSError:17 res = -118 if res == 0 and out:19 sdk_path = out20 lit_config.note('using SDKROOT: %r' % sdk_path)21 return '-isysroot %s' % sdk_path22 return ''23 24sysroot_flags = getSysrootFlagsOnDarwin(config, lit_config)25 26config.clang = os.path.realpath(lit.util.which('clang', config.clang_tools_dir)).replace('\\', '/')27 28config.name = 'Clang Perf Training'29config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap', '.test']30 31dtrace_wrapper = '%s %s/perf-helper.py dtrace' % (config.python_exe, config.perf_helper_dir)32dtrace_wrapper_cc1 = '%s %s/perf-helper.py dtrace --cc1' % (config.python_exe, config.perf_helper_dir)33 34if 'darwin' in config.target_triple:35 lit_config.note('using DTrace oneshot probe')36 dtrace_wrapper = '%s --use-oneshot' % dtrace_wrapper37 dtrace_wrapper_cc1 = '%s --use-oneshot' % dtrace_wrapper_cc138 39use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")40config.test_format = lit.formats.ShTest(use_lit_shell == "0")41config.substitutions.append( ('%clang_cpp_skip_driver', ' %s %s --driver-mode=g++ %s ' % (dtrace_wrapper_cc1, config.clang, sysroot_flags)))42config.substitutions.append( ('%clang_cpp', ' %s %s --driver-mode=g++ %s ' % (dtrace_wrapper, config.clang, sysroot_flags)))43config.substitutions.append( ('%clang_skip_driver', ' %s %s %s ' % (dtrace_wrapper_cc1, config.clang, sysroot_flags)))44config.substitutions.append( ('%clang', ' %s %s %s ' % (dtrace_wrapper, config.clang, sysroot_flags) ) )45config.substitutions.append( ('%test_root', config.test_exec_root ) )46 47