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# -*- 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
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