| # -*- Python -*- |
| |
| import os |
| import re |
| |
| |
| def get_required_attr(config, attr_name): |
| attr_value = getattr(config, attr_name, None) |
| if attr_value == None: |
| lit_config.fatal( |
| "No attribute %r in test configuration! You may need to run " |
| "tests from your build directory or add this attribute " |
| "to lit.site.cfg.py " % attr_name |
| ) |
| return attr_value |
| |
| |
| # Setup config name. |
| config.name = "Profile-" + config.target_arch |
| |
| # Setup source root. |
| config.test_source_root = os.path.dirname(__file__) |
| |
| # Setup executable root. |
| if ( |
| hasattr(config, "profile_lit_binary_dir") |
| and config.profile_lit_binary_dir is not None |
| ): |
| config.test_exec_root = os.path.join(config.profile_lit_binary_dir, config.name) |
| |
| target_is_msvc = bool(re.match(r".*-windows-msvc$", config.target_triple)) |
| |
| if config.host_os in ["Linux"]: |
| extra_link_flags = ["-ldl"] |
| elif target_is_msvc: |
| # InstrProf is incompatible with incremental linking. Disable it as a |
| # workaround. |
| extra_link_flags = ["-Wl,-incremental:no"] |
| else: |
| extra_link_flags = [] |
| |
| # Test suffixes. |
| config.suffixes = [".c", ".cpp", ".m", ".mm", ".ll", ".test"] |
| |
| # What to exclude. |
| config.excludes = ["Inputs"] |
| |
| # Clang flags. |
| target_cflags = [get_required_attr(config, "target_cflags")] |
| clang_cflags = target_cflags + extra_link_flags |
| clang_cxxflags = config.cxx_mode_flags + clang_cflags |
| |
| # TODO: target_cflags can sometimes contain C++ only flags like -stdlib=<FOO>, which are |
| # ignored when compiling as C code. Passing this flag when compiling as C results in |
| # warnings that break tests that use -Werror. |
| # We remove -stdlib= from the cflags here to avoid problems, but the interaction between |
| # CMake and compiler-rt's tests should be reworked so that cflags don't contain C++ only |
| # flags. |
| clang_cflags = [ |
| flag.replace("-stdlib=libc++", "").replace("-stdlib=libstdc++", "") |
| for flag in clang_cflags |
| ] |
| |
| |
| def build_invocation(compile_flags, with_lto=False): |
| lto_flags = [] |
| if with_lto and config.lto_supported: |
| lto_flags += config.lto_flags |
| return " " + " ".join([config.clang] + lto_flags + compile_flags) + " " |
| |
| |
| def exclude_unsupported_files_for_aix(dirname): |
| for filename in os.listdir(dirname): |
| source_path = os.path.join(dirname, filename) |
| if os.path.isdir(source_path): |
| continue |
| f = open(source_path, "r") |
| try: |
| data = f.read() |
| # -fprofile-instr-generate and rpath are not supported on AIX, exclude all tests with them. |
| if ( |
| "%clang_profgen" in data |
| or "%clangxx_profgen" in data |
| or "-rpath" in data |
| ): |
| config.excludes += [filename] |
| finally: |
| f.close() |
| |
| |
| # Add clang substitutions. |
| config.substitutions.append(("%clang ", build_invocation(clang_cflags))) |
| config.substitutions.append(("%clangxx ", build_invocation(clang_cxxflags))) |
| |
| config.substitutions.append( |
| ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") |
| ) |
| config.substitutions.append( |
| ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") |
| ) |
| config.substitutions.append( |
| ( |
| "%clangxx_profgen ", |
| build_invocation(clang_cxxflags) + " -fprofile-instr-generate ", |
| ) |
| ) |
| config.substitutions.append( |
| ( |
| "%clangxx_profgen=", |
| build_invocation(clang_cxxflags) + " -fprofile-instr-generate=", |
| ) |
| ) |
| |
| config.substitutions.append( |
| ("%clang_pgogen ", build_invocation(clang_cflags) + " -fprofile-generate ") |
| ) |
| config.substitutions.append( |
| ("%clang_pgogen=", build_invocation(clang_cflags) + " -fprofile-generate=") |
| ) |
| config.substitutions.append( |
| ("%clangxx_pgogen ", build_invocation(clang_cxxflags) + " -fprofile-generate ") |
| ) |
| config.substitutions.append( |
| ("%clangxx_pgogen=", build_invocation(clang_cxxflags) + " -fprofile-generate=") |
| ) |
| |
| config.substitutions.append( |
| ("%clang_cspgogen ", build_invocation(clang_cflags) + " -fcs-profile-generate ") |
| ) |
| config.substitutions.append( |
| ("%clang_cspgogen=", build_invocation(clang_cflags) + " -fcs-profile-generate=") |
| ) |
| config.substitutions.append( |
| ("%clangxx_cspgogen ", build_invocation(clang_cxxflags) + " -fcs-profile-generate ") |
| ) |
| config.substitutions.append( |
| ("%clangxx_cspgogen=", build_invocation(clang_cxxflags) + " -fcs-profile-generate=") |
| ) |
| |
| config.substitutions.append( |
| ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") |
| ) |
| config.substitutions.append( |
| ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") |
| ) |
| |
| config.substitutions.append( |
| ("%clang_pgouse=", build_invocation(clang_cflags) + " -fprofile-use=") |
| ) |
| config.substitutions.append( |
| ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") |
| ) |
| |
| config.substitutions.append( |
| ( |
| "%clang_lto_profgen=", |
| build_invocation(clang_cflags, True) + " -fprofile-instr-generate=", |
| ) |
| ) |
| |
| if config.host_os not in [ |
| "Windows", |
| "Darwin", |
| "FreeBSD", |
| "Linux", |
| "NetBSD", |
| "SunOS", |
| "AIX", |
| ]: |
| config.unsupported = True |
| |
| if config.host_os in ["AIX"]: |
| config.available_features.add("system-aix") |
| exclude_unsupported_files_for_aix(config.test_source_root) |
| exclude_unsupported_files_for_aix(config.test_source_root + "/Posix") |
| |
| if config.target_arch in ["armv7l"]: |
| config.unsupported = True |
| |
| if config.android: |
| config.unsupported = True |