lit.cfg.py
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# -*- Python -*-
import os
import platform
import re
import subprocess
import locale
import lit.formats
import lit.util
from lit.llvm import llvm_config
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'lld'
# 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 = ['.ll', '.s', '.test', '.yaml', '.objtxt']
# 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']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
config.test_exec_root = os.path.join(config.lld_obj_root, 'test')
llvm_config.use_default_substitutions()
llvm_config.use_lld()
tool_patterns = [
'llc', 'llvm-as', 'llvm-mc', 'llvm-nm', 'llvm-objdump', 'llvm-pdbutil',
'llvm-dwarfdump', 'llvm-readelf', 'llvm-readobj', 'obj2yaml', 'yaml2obj',
'opt', 'llvm-dis']
llvm_config.add_tool_substitutions(tool_patterns)
# LLD tests tend to be flaky on NetBSD, so add some retries.
# We don't do this on other platforms because it's slower.
if platform.system() in ['NetBSD']:
config.test_retry_attempts = 2
# When running under valgrind, we mangle '-vg' onto the end of the triple so we
# can check it with XFAIL and XTARGET.
if lit_config.useValgrind:
config.target_triple += '-vg'
# Running on ELF based *nix
if platform.system() in ['FreeBSD', 'NetBSD', 'Linux']:
config.available_features.add('system-linker-elf')
# Set if host-cxxabi's demangler can handle target's symbols.
if platform.system() not in ['Windows']:
config.available_features.add('demangler')
llvm_config.feature_config(
[('--build-mode', {'DEBUG': 'debug'}),
('--assertion-mode', {'ON': 'asserts'}),
('--targets-built', {'AArch64': 'aarch64',
'AMDGPU': 'amdgpu',
'ARM': 'arm',
'AVR': 'avr',
'Hexagon': 'hexagon',
'Mips': 'mips',
'MSP430': 'msp430',
'PowerPC': 'ppc',
'RISCV': 'riscv',
'Sparc': 'sparc',
'WebAssembly': 'wasm',
'X86': 'x86'})
])
# Set a fake constant version so that we get consistent output.
config.environment['LLD_VERSION'] = 'LLD 1.0'
config.environment['LLD_IN_TEST'] = '1'
# Indirectly check if the mt.exe Microsoft utility exists by searching for
# cvtres, which always accompanies it. Alternatively, check if we can use
# libxml2 to merge manifests.
if (lit.util.which('cvtres', config.environment['PATH']) or
config.have_libxml2):
config.available_features.add('manifest_tool')
if config.have_libxml2:
config.available_features.add('libxml2')
if config.have_dia_sdk:
config.available_features.add("diasdk")
if config.sizeof_void_p == 8:
config.available_features.add("llvm-64-bits")
tar_executable = lit.util.which('tar', config.environment['PATH'])
if tar_executable:
tar_version = subprocess.Popen(
[tar_executable, '--version'],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env={'LANG': 'C'})
sout, _ = tar_version.communicate()
if 'GNU tar' in sout.decode():
config.available_features.add('gnutar')