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# -*- Python -*-
import os
import platform
import re
import subprocess
import tempfile
import lit.formats
import lit.util
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
from lit.llvm.subst import FindTool
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = "BOLT"
# testFormat: The test format to use to interpret tests.
#
# For now we require '&&' between commands, until they get globally killed and
# the test runner updated.
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = [
".c",
".cpp",
".cppm",
".m",
".mm",
".cu",
".ll",
".cl",
".s",
".S",
".modulemap",
".test",
".rs",
]
# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = ["Inputs", "CMakeLists.txt", "README.txt", "LICENSE.txt"]
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.bolt_obj_root, "test")
# checking if maxIndividualTestTime is available on the platform and sets
# it to 60sec if so, declares lit-max-individual-test-time feature for
# further checking by tests.
supported, errormsg = lit_config.maxIndividualTestTimeIsSupported
if supported:
config.available_features.add("lit-max-individual-test-time")
lit_config.maxIndividualTestTime = 60
else:
lit_config.warning(
"Setting a timeout per test not supported. "
+ errormsg
+ " Some tests will be skipped."
)
if config.bolt_enable_runtime:
config.available_features.add("bolt-runtime")
if config.gnu_ld:
config.available_features.add("gnu_ld")
if lit.util.which("fuser"):
config.available_features.add("fuser")
llvm_config.use_default_substitutions()
llvm_config.config.environment["CLANG"] = config.bolt_clang
llvm_config.use_clang()
llvm_config.config.environment["LD_LLD"] = config.bolt_lld
ld_lld = llvm_config.use_llvm_tool("ld.lld", required=True, search_env="LD_LLD")
llvm_config.config.available_features.add("ld.lld")
llvm_config.add_tool_substitutions([ToolSubst(r"ld\.lld", command=ld_lld)])
config.substitutions.append(("%cflags", ""))
config.substitutions.append(("%cxxflags", ""))
link_fdata_cmd = os.path.join(config.test_source_root, "link_fdata.py")
tool_dirs = [config.llvm_tools_dir, config.test_source_root]
tools = [
ToolSubst("llc", unresolved="fatal"),
ToolSubst("llvm-dwarfdump", unresolved="fatal"),
ToolSubst("llvm-bolt", unresolved="fatal"),
ToolSubst("llvm-boltdiff", unresolved="fatal"),
ToolSubst("llvm-bolt-heatmap", unresolved="fatal"),
ToolSubst("llvm-bat-dump", unresolved="fatal"),
ToolSubst("perf2bolt", unresolved="fatal"),
ToolSubst("yaml2obj", unresolved="fatal"),
ToolSubst("llvm-mc", unresolved="fatal"),
ToolSubst("llvm-nm", unresolved="fatal"),
ToolSubst("llvm-objdump", unresolved="fatal"),
ToolSubst("llvm-objcopy", unresolved="fatal"),
ToolSubst("llvm-strings", unresolved="fatal"),
ToolSubst("llvm-strip", unresolved="fatal"),
ToolSubst("llvm-readelf", unresolved="fatal"),
ToolSubst(
"link_fdata",
command=sys.executable,
unresolved="fatal",
extra_args=[link_fdata_cmd],
),
ToolSubst("merge-fdata", unresolved="fatal"),
ToolSubst("llvm-readobj", unresolved="fatal"),
ToolSubst("llvm-dwp", unresolved="fatal"),
ToolSubst("split-file", unresolved="fatal"),
]
llvm_config.add_tool_substitutions(tools, tool_dirs)
def calculate_arch_features(arch_string):
features = []
for arch in arch_string.split():
features.append(arch.lower() + "-registered-target")
return features
llvm_config.feature_config(
[
("--assertion-mode", {"ON": "asserts"}),
("--cxxflags", {r"-D_GLIBCXX_DEBUG\b": "libstdcxx-safe-mode"}),
("--targets-built", calculate_arch_features),
]
)
config.targets = frozenset(config.targets_to_build.split(";"))
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