# -*- Python -*-
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import os
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def get_required_attr(config, attr_name):
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attr_value = getattr(config, attr_name, None)
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if attr_value == None:
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lit_config.fatal(
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"No attribute %r in test configuration! You may need to run "
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"tests from your build directory or add this attribute "
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"to lit.site.cfg " % attr_name)
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return attr_value
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# Setup config name.
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config.name = 'Profile-' + config.target_arch
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# Setup source root.
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config.test_source_root = os.path.dirname(__file__)
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# Setup executable root.
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if hasattr(config, 'profile_lit_binary_dir') and \
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config.profile_lit_binary_dir is not None:
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config.test_exec_root = os.path.join(config.profile_lit_binary_dir, config.name)
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# If the above check didn't work, we're probably in the source tree. Use some
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# magic to re-execute from the build tree.
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if config.test_exec_root is None:
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# The magic relies on knowing compilerrt_site_basedir.
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compilerrt_basedir = lit_config.params.get('compilerrt_site_basedir', None)
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if compilerrt_basedir:
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site_cfg = os.path.join(compilerrt_basedir, 'profile', 'lit.site.cfg')
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if os.path.exists(site_cfg):
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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if config.host_os in ['Linux']:
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extra_linkflags = ["-ldl"]
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else:
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extra_linkflags = []
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# Test suffixes.
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config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.ll', '.test']
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# What to exclude.
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config.excludes = ['Inputs']
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# Clang flags.
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target_cflags=[get_required_attr(config, "target_cflags")]
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clang_cflags = target_cflags + extra_linkflags
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clang_cxxflags = config.cxx_mode_flags + clang_cflags
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def build_invocation(compile_flags):
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return " " + " ".join([config.clang] + compile_flags) + " "
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# Add clang substitutions.
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config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
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config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
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config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
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config.substitutions.append( ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") )
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config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
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config.substitutions.append( ("%clangxx_profgen ", build_invocation(clang_cxxflags) + " -fprofile-instr-generate ") )
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config.substitutions.append( ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") )
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config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
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config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
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if config.host_os not in ['Darwin', 'FreeBSD', 'Linux']:
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config.unsupported = True
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if config.target_arch in ['armv7l']:
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config.unsupported = True
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