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lit.cfg
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# swift/test/lit.cfg - Configuration for the 'lit' test runner -*- python -*-
#
# This source file is part of the Swift.org open source project
#
# Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
# Licensed under Apache License v2.0 with Runtime Library Exception
#
# See https://swift.org/LICENSE.txt for license information
# See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
#
# -----------------------------------------------------------------------------
#
# This is a configuration file for the 'lit' test runner.
#
# Refer to docs/Testing.md for documentation.
#
# Update docs/Testing.md when changing this file.
#
# -----------------------------------------------------------------------------
from __future__ import absolute_import
import os
import platform
import re
import shlex
import shutil
import subprocess
import sys
import socket
import glob
import pipes
from distutils.sysconfig import get_python_lib
import lit
import lit.formats
import lit.util
import site
site.addsitedir(os.path.dirname(__file__))
import swift_test
def make_path(*args):
return os.path.normpath(os.path.join(*args))
#
# Helper functions.
#
def darwin_get_sdk_version(sdk_path):
system_version_plist_path = make_path(sdk_path, "System", "Library",
"CoreServices", "SystemVersion.plist")
name = subprocess.check_output(
["defaults", "read", system_version_plist_path,
"ProductName"]).rstrip()
vers = subprocess.check_output(
["defaults", "read", system_version_plist_path,
"ProductVersion"]).rstrip()
build = subprocess.check_output(
["defaults", "read", system_version_plist_path,
"ProductBuildVersion"]).rstrip()
return (name, vers, build)
# Run sw_vers on the target to be tested and return the results.
def darwin_get_sw_vers(commandPrefix=[]):
name = lit.util.executeCommand(
commandPrefix + ['/usr/bin/sw_vers', '-productName'])[0].rstrip()
vers = lit.util.executeCommand(
commandPrefix + ['/usr/bin/sw_vers', '-productVersion'])[0].rstrip()
build = lit.util.executeCommand(
commandPrefix + ['/usr/bin/sw_vers', '-buildVersion'])[0].rstrip()
return (name, vers, build)
def darwin_get_ios_sim_vers():
sim_output = subprocess.check_output(['xcrun', 'simctl', 'list', 'runtimes'])
ios_version_str = re.findall(r'iOS \d+\.*\d*', sim_output.decode('utf-8'))
return [float(v.strip('iOS')) for v in ios_version_str]
def darwin_get_watchos_sim_vers():
sim_output = subprocess.check_output(['xcrun', 'simctl', 'list', 'runtimes'])
watchos_version_str = re.findall(r'watchOS \d+\.*\d*', sim_output.decode('utf-8'))
return [float(v.strip('watchOS')) for v in watchos_version_str]
# Returns the "prefix" command that should be prepended to the command line to
# run an executable compiled for an iOS, tvOS, or watchOS simulator.
def get_simulator_command(run_os, run_cpu):
mac_ver_tuple = tuple(int(v) for v in
platform.mac_ver()[0].replace('.', ' ').split())
if run_os == 'ios':
if run_cpu == "i386":
if mac_ver_tuple >= (11,):
print("ERROR: The 32-bit iOS simulator is unavailable on macOS 11.0+")
sys.exit(1)
elif min(darwin_get_ios_sim_vers()) > 10.3:
print("ERROR: Your system does not have a 32-bit iOS simulator installed.")
print("INFO: 1. Install iOS 10.3 or older simulator (Xcode -> Preferences -> Components -> Simulators).")
print("INFO: 2. Create a 32-bit iPhone 5 device. Run:")
print("INFO: $ xcrun simctl create 'iPhone 5' com.apple.CoreSimulator.SimDeviceType.iPhone-5 com.apple.CoreSimulator.SimRuntime.iOS-10-3")
sys.exit(1)
else:
return "simctl spawn --standalone 'iPhone 5'"
else:
return "simctl spawn --standalone 'iPhone 12'"
elif run_os == 'tvos':
return "simctl spawn --standalone 'Apple TV'"
elif run_os == 'watchos':
if run_cpu == "i386":
if min(darwin_get_watchos_sim_vers()) > 6.2:
print("ERROR: Your system does not have a 32-bit watchOS simulator installed.")
print("INFO: 1. Install watchOS 6.2.1 simulator (Xcode -> Preferences -> Components -> Simulators).")
print("INFO: 2. Create a 32-bit watchOS device. Run:")
print("INFO: $ xcrun simctl create 'Apple Watch Series 2 - 42mm' com.apple.CoreSimulator.SimDeviceType.Apple-Watch-Series-2-42mm com.apple.CoreSimulator.SimRuntime.watchOS-6-2")
sys.exit(1)
else:
return "simctl spawn --standalone 'Apple Watch Series 2 - 42mm'"
else:
return "simctl spawn --standalone 'Apple Watch Series 5 - 44mm'"
else:
lit_config.fatal("Unknown simulator OS %r" % run_os)
def get_lldb_python_path(lldb_build_root):
lldb_path = os.path.join(lldb_build_root, 'bin', 'lldb')
if not os.access(lldb_path, os.F_OK):
return None
return subprocess.check_output([lldb_path, "-P"]).rstrip().decode('utf-8')
def get_lldb_python_interpreter(lldb_build_root):
python_path = os.path.join(lldb_build_root, 'bin', 'lldb-python')
if not os.access(python_path, os.F_OK):
return None
return python_path
if not platform.system() == 'Windows':
# Python 3.3 has shlex.quote, while previous Python have pipes.quote
if sys.version_info[0:2] >= (3, 2):
shell_quote = shlex.quote
else:
shell_quote = pipes.quote
else:
# In Windows neither pipe.quote nor shlex.quote works.
def shell_quote(s):
# Quote the argument if it is empty, or contains a quote or a space.
if len(s) == 0 or re.search(r'["\s]', s):
s = '"' + s.replace('"', r'\"') + '"'
return s
def escape_for_substitute_captures(s):
# SubstituteCaptures strings are used as replacement patterns for regular
# expressions. In them escapes like \1, \2 are used as references, but that
# means that simple \ will try to be interpreted, so we need to escape them
# with \\.
return s.replace("\\", "\\\\")
###
# Check that the object root is known.
if config.test_exec_root is None:
# Otherwise, we haven't loaded the site specific configuration (the user is
# probably trying to run on a test file directly, and either the site
# configuration hasn't been created by the build system, or we are in an
# out-of-tree build situation).
# Check for 'swift_site_config' user parameter, and use that if available.
site_cfg = lit_config.params.get('swift_site_config', None)
if site_cfg and os.path.exists(site_cfg):
lit_config.load_config(config, site_cfg)
raise SystemExit
lit_config.fatal("lit must be pointed at a build folder")
###
# name: The name of this test suite.
config.name = 'Swift(%s)' % config.variant_suffix[1:]
# Respect the TOOLCHAINS environment variable when deciding the xcrun
# toolchain for Darwin platforms.
if platform.system() == 'Darwin':
config.environment['TOOLCHAINS'] = \
os.environ.get('TOOLCHAINS', config.darwin_xcrun_toolchain)
# NOTE: this mirrors the kIsWindows from lit.lit.TestRunner in LLVM
kIsWindows = platform.system() == 'Windows'
# testFormat: The test format to use to interpret tests.
# Choose between lit's internal shell pipeline runner and a real shell. If
# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
use_lit_shell = os.environ.get('LIT_USE_INTERNAL_SHELL', kIsWindows)
if not use_lit_shell:
config.available_features.add('shell')
config.test_format = swift_test.SwiftTest(coverage_mode=config.coverage_mode,
execute_external=not use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.swift', '.ll', '.sil', '.gyb', '.m', '.c',
'.swiftinterface', '.test-sh', '.test']
# 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']
if lit_config.params.get('disable_unittests', None) is not None:
config.excludes += ['Unit']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# swift_obj_root: The path to the swift build root.
swift_obj_root = getattr(config, 'swift_obj_root', None)
# cmake. The path to the cmake executable we used to configure swift.
assert(config.cmake)
config.substitutions.append( ('%cmake', config.cmake) )
lit_config.note('Using cmake: ' + config.cmake)
# Set llvm_{src,obj}_root for use by others.
config.llvm_src_root = getattr(config, 'llvm_src_root', None)
config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
lto_flags = ""
if platform.system() == 'OpenBSD':
llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
if not llvm_libs_dir:
lit_config.fatal('No LLVM libs dir set.')
config.environment['LD_LIBRARY_PATH'] = llvm_libs_dir
elif platform.system() == 'Darwin':
llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
if not llvm_libs_dir:
lit_config.fatal('No LLVM libs dir set.')
lto_flags = "-Xlinker -lto_library -Xlinker %s/libLTO.dylib" % llvm_libs_dir
config.substitutions.append( ('%lto_flags', lto_flags) )
def append_to_env_path(directory):
config.environment['PATH'] = \
os.path.pathsep.join((directory, config.environment['PATH']))
if sys.version_info[0] >= 3:
config.environment['PYTHONIOENCODING'] = 'UTF8'
# Tweak the PATH to include the tools dir and the scripts dir.
if swift_obj_root is not None:
llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
if not llvm_tools_dir:
lit_config.fatal('No LLVM tools dir set!')
append_to_env_path(llvm_tools_dir)
build_mode = lit_config.params.get('build_mode', '')
append_to_env_path(make_path(swift_obj_root, build_mode, 'bin'))
native_llvm_tools_path = lit_config.params.get('native_llvm_tools_path')
if native_llvm_tools_path is not None:
append_to_env_path(native_llvm_tools_path)
native_clang_tools_path = lit_config.params.get('native_clang_tools_path')
if native_clang_tools_path is not None:
append_to_env_path(native_clang_tools_path)
native_swift_tools_path = lit_config.params.get('native_swift_tools_path')
if native_swift_tools_path is not None:
append_to_env_path(native_swift_tools_path)
array_cow_checks = lit_config.params.get('array_cow_checks')
if array_cow_checks is not None:
config.available_features.add('array_cow_checks')
if lit_config.params.get('libswift', None) is not None:
config.available_features.add('libswift')
libswift_build_mode = lit_config.params.get('libswift_build_mode')
if libswift_build_mode is not None:
config.available_features.add('libswift')
if libswift_build_mode == 'HOSTTOOLS':
config.available_features.add('libswift_hosttools')
elif libswift_build_mode == 'BOOTSTRAPPING':
config.available_features.add('libswift_bootstrapping')
elif libswift_build_mode == 'BOOTSTRAPPING-WITH-HOSTLIBS':
config.available_features.add('libswift_bootstrapping_with_hostlibs')
###
# Discover the Swift binaries to use.
def inferSwiftBinary(binaryName):
# Determine which executable to use.
envVarName = binaryName.upper().replace("-", "_")
execPath = os.getenv(envVarName)
# If the user set the variable in the environment, definitely use that and
# don't try to validate.
if execPath:
return execPath
# Otherwise look in the path.
PATH = config.environment['PATH']
execPath = lit.util.which(binaryName, PATH)
if execPath:
if not lit_config.quiet:
lit_config.note('using %s: %s' % (binaryName, execPath))
else:
msg = "couldn't find '%s' program, try setting %s in your environment"
lit_config.warning(msg % (binaryName, envVarName))
# Just substitute the plain executable name, so the run line remains
# reasonable.
execPath = binaryName
return execPath
if 'gmalloc' in lit_config.params:
config.environment['DYLD_INSERT_LIBRARIES'] = '/usr/lib/libgmalloc.dylib'
config.environment['MALLOC_LOG_FILE'] = '/dev/null'
config.available_features.add('gmalloc')
config.swift_frontend = inferSwiftBinary('swift-frontend')
config.swift = inferSwiftBinary('swift')
config.swiftc = inferSwiftBinary('swiftc')
config.sil_opt = inferSwiftBinary('sil-opt')
config.sil_func_extractor = inferSwiftBinary('sil-func-extractor')
config.sil_llvm_gen = inferSwiftBinary('sil-llvm-gen')
config.sil_nm = inferSwiftBinary('sil-nm')
config.sil_passpipeline_dumper = inferSwiftBinary('sil-passpipeline-dumper')
config.lldb_moduleimport_test = inferSwiftBinary('lldb-moduleimport-test')
config.swift_ide_test = inferSwiftBinary('swift-ide-test')
config.swift_dependency_tool = inferSwiftBinary('swift-dependency-tool')
config.swift_syntax_test = inferSwiftBinary('swift-syntax-test')
if 'syntax_parser_lib' in config.available_features:
config.swift_syntax_parser_test = inferSwiftBinary('swift-syntax-parser-test')
config.swift_reflection_dump = inferSwiftBinary('swift-reflection-dump')
config.swift_remoteast_test = inferSwiftBinary('swift-remoteast-test')
config.swift_indent = inferSwiftBinary('swift-indent')
config.swift_symbolgraph_extract = inferSwiftBinary('swift-symbolgraph-extract')
config.swift_api_extract = inferSwiftBinary('swift-api-extract')
config.clang = inferSwiftBinary('clang')
config.clangxx = inferSwiftBinary('clang++')
config.llvm_link = inferSwiftBinary('llvm-link')
config.swift_llvm_opt = inferSwiftBinary('swift-llvm-opt')
config.llvm_profdata = inferSwiftBinary('llvm-profdata')
config.llvm_cov = inferSwiftBinary('llvm-cov')
config.llvm_strings = inferSwiftBinary('llvm-strings')
config.filecheck = inferSwiftBinary('FileCheck')
config.llvm_dwarfdump = inferSwiftBinary('llvm-dwarfdump')
config.llvm_readelf = inferSwiftBinary('llvm-readelf')
config.llvm_dis = inferSwiftBinary('llvm-dis')
config.llvm_nm = inferSwiftBinary('llvm-nm')
config.sourcekitd_test = inferSwiftBinary('sourcekitd-test')
config.complete_test = inferSwiftBinary('complete-test')
config.swift_api_digester = inferSwiftBinary('swift-api-digester')
config.swift_refactor = inferSwiftBinary('swift-refactor')
config.swift_demangle_yamldump = inferSwiftBinary('swift-demangle-yamldump')
config.swift_demangle = inferSwiftBinary('swift-demangle')
config.benchmark_o = inferSwiftBinary('Benchmark_O')
config.benchmark_driver = inferSwiftBinary('Benchmark_Driver')
config.wasmer = inferSwiftBinary('wasmer')
config.wasm_ld = inferSwiftBinary('wasm-ld')
config.swift_utils = make_path(config.swift_src_root, 'utils')
config.line_directive = make_path(config.swift_utils, 'line-directive')
config.gyb = make_path(config.swift_utils, 'gyb.py')
config.rth = make_path(config.swift_utils, 'rth') # Resilience test helper
config.scale_test = make_path(config.swift_utils, 'scale-test')
config.PathSanitizingFileCheck = make_path(config.swift_utils, 'PathSanitizingFileCheck')
config.swift_lib_dir = make_path(config.swift, '..', '..', 'lib')
config.round_trip_syntax_test = make_path(config.swift_utils, 'round-trip-syntax-test')
config.refactor_check_compiles = make_path(config.swift_utils, 'refactor-check-compiles.py')
config.link = lit.util.which('link', config.environment.get('PATH', '')) or \
lit.util.which('lld-link', config.environment.get('PATH', ''))
# Find the resource directory. Assume it's near the swift compiler if not set.
test_resource_dir = lit_config.params.get('test_resource_dir')
config.resource_dir_opt = ""
if test_resource_dir:
config.resource_dir_opt = ("-resource-dir %s" % test_resource_dir)
else:
test_resource_dir = make_path(config.swift_lib_dir, 'swift')
stdlib_resource_dir_opt = config.resource_dir_opt
sourcekitd_framework_dir = config.swift_lib_dir
config.substitutions.append( ('%test-resource-dir', test_resource_dir) )
lit_config.note('Using resource dir: ' + test_resource_dir)
# Parse the variant triple.
(run_cpu, run_vendor, run_os, run_vers) = re.match('([^-]+)-([^-]+)-([^0-9]+)(.*)', config.variant_triple).groups()
if run_os == 'ios' and run_vers.endswith('-macabi'):
run_vers = run_vers[0:-len('-macabi')]
run_os = 'maccatalyst'
if run_vers.endswith('-simulator'):
run_vers = run_vers[0:-len('-simulator')]
run_environment='-simulator'
else:
run_environment=''
target_arch = run_cpu
if run_os == 'openbsd' and run_cpu == 'amd64':
target_arch = run_cpu
run_cpu = 'x86_64'
run_ptrsize = '64' if ('64' in run_cpu or run_cpu == "s390x") else '32'
if run_cpu == 'arm64_32':
run_ptrsize = '32'
run_ptrauth = 'ptrauth' if run_cpu == 'arm64e' else 'noptrauth'
run_endian = 'little' if run_cpu != 's390x' else 'big'
run_objc_interop = 'nonobjc' # overwritten later
sdk_overlay_link_path = ""
sdk_overlay_linker_opt = ""
sdk_overlay_dir_opt = ""
test_sdk_overlay_dir = lit_config.params.get('test_sdk_overlay_dir', None)
if test_sdk_overlay_dir is not None:
config.available_features.add('sdk_overlay')
sdk_overlay_dir_opt = ("-I %s" % make_path(test_sdk_overlay_dir, run_cpu))
sdk_overlay_link_path_dir = make_path(test_sdk_overlay_dir, run_cpu)
sdk_overlay_link_path = ("-L %s" % sdk_overlay_link_path_dir)
sdk_overlay_linker_opt = (
"-L %s -Xlinker -rpath -Xlinker %s" %
(sdk_overlay_link_path_dir, sdk_overlay_link_path_dir))
lit_config.note('Using SDK overlay dir: ' + test_sdk_overlay_dir)
config.resource_dir_opt += (" %s" % sdk_overlay_dir_opt)
# Default to Swift 4 for now.
# Note that this accepts both `--param swift-version` (like the compiler flag)
# and `--param swift_version` (like a lit configuration parameter).
swift_version = lit_config.params.get('swift-version',
lit_config.params.get('swift_version', '4'))
lit_config.note('Compiling with -swift-version ' + swift_version)
config.swift_test_options = '-swift-version ' + swift_version
# Define a macro for the next release OS version.
swift_stdlib_macro = '\'SwiftStdlib 5.5:macOS 10.15, iOS 13.0, watchOS 6.0, tvOS 13.0\''
config.swift_frontend_test_options += ' -define-availability ' + swift_stdlib_macro
config.swift_driver_test_options += ' -Xfrontend -define-availability -Xfrontend ' + swift_stdlib_macro
differentiable_programming = lit_config.params.get('differentiable_programming', None)
if differentiable_programming is not None:
config.available_features.add('differentiable_programming')
# On Android, LLVM LTO is only supported when the driver uses lld.
# And skip lto tests when driver uses gold linker.
if not (run_os in ['linux-android', 'linux-androideabi']) or (config.android_linker_name == 'lld'):
config.available_features.add('lld_lto')
test_options = os.environ.get('SWIFT_TEST_OPTIONS')
if test_options:
config.swift_test_options += ' '
config.swift_test_options += test_options
config.swift_frontend_test_options += os.environ.get('SWIFT_FRONTEND_TEST_OPTIONS', '')
config.swift_driver_test_options += os.environ.get('SWIFT_DRIVER_TEST_OPTIONS', '')
config.sil_test_options = os.environ.get('SIL_TEST_OPTIONS', '')
config.clang_module_cache_path = make_path(config.swift_test_results_dir, "clang-module-cache")
shutil.rmtree(config.clang_module_cache_path, ignore_errors=True)
mcp_opt = "-module-cache-path %s" % shell_quote(config.clang_module_cache_path)
clang_mcp_opt = "-fmodules-cache-path=%r" % config.clang_module_cache_path
lit_config.note("Using Clang module cache: " + config.clang_module_cache_path)
lit_config.note("Using test results dir: " + config.swift_test_results_dir)
completion_cache_path = make_path(config.swift_test_results_dir, "completion-cache")
shutil.rmtree(completion_cache_path, ignore_errors=True)
ccp_opt = "-completion-cache-path %r" % completion_cache_path
lit_config.note("Using code completion cache: " + completion_cache_path)
config.substitutions.append( ('%validate-incrparse', '%{python} %utils/incrparse/validate_parse.py --temp-dir %t --swift-syntax-test %swift-syntax-test') )
config.substitutions.append( ('%llvm_obj_root', config.llvm_obj_root) )
config.substitutions.append( ('%llvm_src_root', config.llvm_src_root) )
config.substitutions.append( ('%swift_obj_root', config.swift_obj_root) )
config.substitutions.append( ('%swift_src_root', config.swift_src_root) )
config.substitutions.append( ('%{python}', shell_quote(sys.executable)) )
config.substitutions.append( ('%{python.unquoted}', sys.executable) )
config.substitutions.append( ('%mcp_opt', mcp_opt) )
config.substitutions.append( ('%swift_driver_plain', "%r" % config.swift) )
config.substitutions.append( ('%swiftc_driver_plain', "%r" % config.swiftc) )
config.substitutions.append( ('%swift_frontend_plain', "%r" % config.swift_frontend))
if kIsWindows:
config.substitutions.append( ('%swift_driver',
"%r %s %s %s -libc %s" % (config.swift, mcp_opt,
config.swift_test_options,
config.swift_driver_test_options,
config.swift_stdlib_msvc_runtime)) )
config.substitutions.append( ('%swiftc_driver',
"%r -toolchain-stdlib-rpath %s %s %s" % (config.swiftc, mcp_opt,
config.swift_test_options,
config.swift_driver_test_options)) )
else:
config.substitutions.append( ('%swift_driver', "env SDKROOT=%s %r %s %s %s" % (shell_quote(config.variant_sdk), config.swift, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
config.substitutions.append( ('%swiftc_driver', "env SDKROOT=%s %r -toolchain-stdlib-rpath -Xlinker -rpath -Xlinker /usr/lib/swift %s %s %s" % (shell_quote(config.variant_sdk), config.swiftc, mcp_opt, config.swift_test_options, config.swift_driver_test_options)) )
config.substitutions.append( ('%sil-opt', "%r %s %s" % (config.sil_opt, mcp_opt, config.sil_test_options)) )
config.substitutions.append( ('%sil-func-extractor', "%r %s" % (config.sil_func_extractor, mcp_opt)) )
config.substitutions.append( ('%sil-llvm-gen', "%r %s" % (config.sil_llvm_gen, mcp_opt)) )
config.substitutions.append( ('%sil-nm', "%r %s" % (config.sil_nm, mcp_opt)) )
config.substitutions.append( ('%sil-passpipeline-dumper', "%r" % (config.sil_passpipeline_dumper)) )
config.substitutions.append( ('%lldb-moduleimport-test', "%r %s" % (config.lldb_moduleimport_test, mcp_opt)) )
config.substitutions.append( ('%lldb-moduleimport-test-with-sdk',
'%s -sdk %r' % (config.lldb_moduleimport_test, config.variant_sdk)) )
config.substitutions.append( ('%swift-dump-pcm', "%r -dump-pcm" % config.swiftc) )
config.substitutions.append( ('%swift-ide-test_plain', config.swift_ide_test) )
config.substitutions.append( ('%swift-ide-test', "%r %s %s -swift-version %s %s" % (config.swift_ide_test, mcp_opt, ccp_opt, swift_version, config.resource_dir_opt)) )
config.substitutions.append( ('%swift-dependency-tool', config.swift_dependency_tool) )
config.substitutions.append( ('%swift-syntax-test', config.swift_syntax_test) )
if 'syntax_parser_lib' in config.available_features:
config.substitutions.append( ('%swift-syntax-parser-test', config.swift_syntax_parser_test) )
config.substitutions.append( ('%swift-indent', config.swift_indent) )
config.substitutions.append( ('%llvm-link', config.llvm_link) )
config.substitutions.append( ('%swift-llvm-opt', config.swift_llvm_opt) )
config.substitutions.append( ('%llvm-dwarfdump', config.llvm_dwarfdump) )
config.substitutions.append( ('%llvm-readelf', config.llvm_readelf) )
config.substitutions.append( ('%llvm-dis', config.llvm_dis) )
config.substitutions.append( ('%llvm-nm', config.llvm_nm) )
config.substitutions.append( ('%swift-demangle-yamldump', config.swift_demangle_yamldump) )
config.substitutions.append( ('%swift-demangle', config.swift_demangle) )
config.substitutions.append( ('%Benchmark_O', config.benchmark_o) )
config.substitutions.append( ('%Benchmark_Driver', config.benchmark_driver) )
config.substitutions.append( ('%llvm-strings', config.llvm_strings) )
config.substitutions.append( ('%target-ptrauth', run_ptrauth ) )
config.substitutions.append( ('%swift-path', config.swift) )
# This must come after all substitutions containing "%swift".
config.substitutions.append(
('%swift',
"%r %s -disable-objc-attr-requires-foundation-module %s %s"
% (config.swift_frontend, mcp_opt, config.swift_test_options, config.swift_frontend_test_options)) )
config.clang_include_dir = make_path(config.swift, '..', '..', 'include')
config.substitutions.append( ('%clang-include-dir', config.clang_include_dir) )
# Use this to build the basic set of Objective-C overlays.
config.substitutions.append(('%build-clang-importer-objc-overlays',
'%target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -enable-objc-interop -emit-module -o %t %clang-importer-sdk-path/swift-modules/ObjectiveC.swift -disable-objc-attr-requires-foundation-module && '
'%target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -enable-objc-interop -emit-module -o %t %clang-importer-sdk-path/swift-modules/CoreGraphics.swift && '
'%target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -enable-objc-interop -emit-module -o %t %clang-importer-sdk-path/swift-modules/CoreFoundation.swift && '
'%target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -enable-objc-interop -emit-module -o %t %clang-importer-sdk-path/swift-modules/Foundation.swift'))
# FIXME: BEGIN -enable-source-import hackaround
config.substitutions.append(('%clang-importer-sdk-path',
'%r' % (make_path(config.test_source_root, 'Inputs', 'clang-importer-sdk'))))
config.substitutions.append(('%clang-importer-sdk-nosource',
'-sdk %r' % (make_path(config.test_source_root, 'Inputs', 'clang-importer-sdk'))))
# FIXME: END -enable-source-import hackaround
config.substitutions.append(('%clang-importer-sdk',
'-enable-source-import -sdk %r -I %r ' % (make_path(config.test_source_root, 'Inputs', 'clang-importer-sdk'),
make_path(config.test_source_root, 'Inputs', 'clang-importer-sdk', 'swift-modules'))))
config.substitutions.append( ('%clang_apinotes',
"%r -cc1apinotes" %
(config.clang)) )
# This must come after all substitutions containing "%clang".
# Note: %clang is the locally-built clang.
# To get Xcode's clang, use %target-clang.
config.substitutions.append( ('%clang',
"%r %s" %
(config.clang, clang_mcp_opt)) )
###
def disallow(execName):
warning = '''
echo '*** Do not use \'{0}\' in tests; use \'%''{0}\'. ***' &&
exit 1 && echo
'''
config.substitutions.append((' {0} '.format(execName),
warning.format(execName)))
disallow('swift')
disallow('swiftc')
disallow('swift_driver')
disallow('swiftc_driver')
disallow('sil-opt')
disallow('sil-func-extractor')
disallow('sil-llvm-gen')
disallow('sil-nm')
disallow('sil-passpipeline-dumper')
disallow('lldb-moduleimport-test')
disallow('swift-ide-test')
disallow('clang')
disallow('FileCheck')
disallow('llvm-dwarfdump')
disallow('llvm-dis')
config.substitutions.insert(0,
('%p',
'$(echo "*** Use %""S instead of %""p in the Swift test suite ***" >&2)'))
###
# Set available features we allow tests to conditionalize on.
if platform.system() != 'Windows':
config.available_features.add('crash-recovery')
# Add each available build target CPU as a feature.
for target in config.llvm_code_generators:
config.available_features.add("CODEGENERATOR=" + target)
# Add the run target CPU, OS, and pointer size as features.
config.available_features.add("CPU=" + run_cpu)
config.available_features.add("OS=" + run_os)
config.available_features.add("PTRSIZE=" + run_ptrsize)
config.available_features.add("VENDOR=" + run_vendor)
config.available_features.add("SWIFT_VERSION=" + swift_version)
if "optimized_stdlib" in config.available_features:
config.available_features.add("optimized_stdlib_" + run_cpu)
swift_test_mode = lit_config.params.get('swift_test_mode', 'optimize_none')
swift_execution_tests_extra_flags = ''
if swift_test_mode == 'optimize_none':
config.available_features.add("nonexecutable_test")
config.available_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize_none")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_none_" + run_cpu)
swift_execution_tests_extra_flags = ''
elif swift_test_mode == 'optimize_none_with_implicit_dynamic':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize_none_with_implicit_dynamic")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_none_" + run_cpu)
swift_execution_tests_extra_flags = '-Xfrontend -enable-implicit-dynamic -Xfrontend -enable-private-imports -Xfrontend -enable-dynamic-replacement-chaining'
elif swift_test_mode == 'optimize_with_implicit_dynamic':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize_with_implicit_dynamic")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_" + run_cpu)
swift_execution_tests_extra_flags = '-O -Xfrontend -enable-implicit-dynamic -Xfrontend -enable-private-imports -Xfrontend -enable-dynamic-replacement-chaining'
elif swift_test_mode == 'optimize':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_" + run_cpu)
swift_execution_tests_extra_flags = '-O'
elif swift_test_mode == 'optimize_size':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize_size")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_" + run_cpu)
swift_execution_tests_extra_flags = '-Osize'
elif swift_test_mode == 'optimize_unchecked':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
config.available_features.add("swift_test_mode_optimize_unchecked")
# Add the cpu as a feature so we can selectively disable tests in an
# optimize mode for a cpu.
config.available_features.add("swift_test_mode_optimize_unchecked_" + run_cpu)
swift_execution_tests_extra_flags = '-Ounchecked'
elif swift_test_mode == 'only_executable':
config.available_features.add("executable_test")
config.limit_to_features.add("executable_test")
elif swift_test_mode == 'only_non_executable':
config.available_features.add("nonexecutable_test")
else:
lit_config.fatal("Unknown test mode %r" % swift_test_mode)
swift_test_subset = lit_config.params.get('swift_test_subset', 'validation')
if swift_test_subset in ['primary', 'validation', 'only_validation']:
# No extra flags needed.
pass
elif swift_test_subset == 'all':
config.available_features.add("long_test")
config.available_features.add("stress_test")
elif swift_test_subset == 'only_long':
config.available_features.add("long_test")
config.limit_to_features.add("long_test")
config.limit_to_features.discard("executable_test")
elif swift_test_subset == 'only_stress':
config.available_features.add("stress_test")
config.limit_to_features.add("stress_test")
config.limit_to_features.discard("executable_test")
elif swift_test_subset == 'only_early_swiftdriver':
# Point this subset at a driver-specific set of tests. These are the known reduced subset
# of tests to verify the basic functionality of the standalone (early) swift-driver.
config.test_source_root = os.path.join(config.test_source_root, 'Driver', 'Dependencies')
else:
lit_config.fatal("Unknown test mode %r" % swift_test_subset)
if 'swift_evolve' in lit_config.params:
config.available_features.add("swift_evolve")
if not 'swift_driver' in lit_config.params:
config.available_features.add("cplusplus_driver")
# Check if we need to run lit tests using the legacy driver or the new driver
# The default for existing test runs is to use the legacy driver.
# The new driver is tested separately.
if swift_test_subset != 'only_early_swiftdriver' and\
os.environ.get('SWIFT_FORCE_TEST_NEW_DRIVER') is None:
config.environment['SWIFT_USE_OLD_DRIVER'] = '1'
config.environment['SWIFT_AVOID_WARNING_USING_OLD_DRIVER'] = '1'
# Enable benchmark testing when the binary is found (has fully qualified path).
if config.benchmark_o != 'Benchmark_O':
config.available_features.add('benchmark')
# Add substitutions for the run target triple, CPU, OS, and pointer size.
config.substitutions.append(('%target-triple', config.variant_triple))
# Keep track of which sanitizers need to be enabled (matters for some tests)
config.sanitizers = []
if 'asan' in config.available_features:
config.sanitizers.append('address')
if run_vendor == 'apple':
if run_os == 'maccatalyst':
config.stable_abi_triple = '%s-%s-ios13.0-macabi' % (run_cpu, run_vendor)
config.pre_stable_abi_triple = config.stable_abi_triple
config.next_stable_abi_triple = config.stable_abi_triple
config.available_features.add('swift_stable_abi')
else:
# iOS 12.2 does not support 32-bit targets, so we cannot run tests that
# want to deploy to an iOS that has Swift in the OS.
if run_os == 'ios' and run_ptrsize == '32':
pre_stable_version = '10'
else:
config.available_features.add('swift_stable_abi')
PRE_STABLE_VERSION = {
'macosx': '10.14.3',
'ios': '12.1',
'maccatalyst': '12.1',
'tvos': '12.1',
'watchos': '5.1'
}
pre_stable_version = PRE_STABLE_VERSION.get(run_os, '')
config.pre_stable_abi_triple = '%s-%s-%s%s%s' % (run_cpu, run_vendor, run_os,
pre_stable_version, run_environment)
STABLE_VERSION = {
'macosx': '10.14.4',
'ios': '12.2',
'maccatalyst': '12.2',
'tvos': '12.2',
'watchos': '5.2'
}
stable_version = STABLE_VERSION.get(run_os, '')
config.stable_abi_triple = '%s-%s-%s%s%s' % (run_cpu, run_vendor, run_os,
stable_version, run_environment)
NEXT_STABLE_VERSION = {
'macosx': '10.15',
'ios': '13',
'maccatalyst': '13',
'tvos': '13',
'watchos': '6'
}
next_stable_version = NEXT_STABLE_VERSION.get(run_os, '')
config.next_stable_abi_triple = '%s-%s-%s%s%s' % (run_cpu, run_vendor, run_os,
next_stable_version, run_environment)
else:
config.pre_stable_abi_triple = config.variant_triple
config.stable_abi_triple = config.variant_triple
config.next_stable_abi_triple = config.variant_triple
# On Apple platforms, this substitution names the maximum OS version *without*
# Swift in the OS. On non-Apple platforms this is equivalent to %target-triple.
config.substitutions.append(('%target-pre-stable-abi-triple',
config.pre_stable_abi_triple))
# On Apple platforms, this substitution names the minimum OS version with
# Swift 5.0 in the OS. On non-Apple platforms this is equivalent to %target-triple.
config.substitutions.append(('%target-stable-abi-triple',
config.stable_abi_triple))
# On Apple platforms, this substitution names the minimum OS version with
# Swift 5.1 in the OS, and an Objective-C runtime supporting class stubs.
config.substitutions.append(('%target-next-stable-abi-triple',
config.next_stable_abi_triple))
# Sanitizers are not supported on iOS7, yet all tests are configured to start
# testing with the earliest supported platform, which happens to be iOS7 for
# Swift.
# Setting target manually makes tests less versatile (a separate test is
# then required for each OS), thus instead we define a new environment
# variable which enforces the usage of iOS8+ when iOS is used.
config.substitutions.append(('%sanitizers-target-triple',
config.variant_triple.replace("ios7", "ios8")))
config.substitutions.append(('%target-cpu', run_cpu))
target_os_abi = run_os
target_os_is_maccatalyst = "FALSE"
target_mandates_stable_abi = "FALSE"
if (run_cpu in ('arm64e',) or \
(run_os == 'watchos' and run_cpu == 'x86_64')):
target_mandates_stable_abi = "TRUE"
config.available_features.add('swift_only_stable_abi')
if run_os in ('maccatalyst',):
# For purposes of ABI, treat maccatalyst as macosx since the maccatalyst ABI
# must match the macosx ABI.
target_os_abi = 'macosx'
target_os_is_maccatalyst = "TRUE"
config.available_features.add("OS=ios")
# macOS on ASi uses the stable ABI
if run_os in ('macosx',) and run_cpu in ('arm64',):
target_mandates_stable_abi = "TRUE"
config.available_features.add('swift_only_stable_abi')
if run_os in (
'linux-android', 'linux-androideabi', # Android
'freebsd', 'openbsd', # BSD
'linux-gnu', 'linux-gnueabihf', # Linux
'windows-cygnus', 'windows-gnu', 'windows-msvc', # Windows
):
target_mandates_stable_abi = "TRUE"
config.available_features.add('swift_only_stable_abi')
config.substitutions.append(('%target-os-abi', target_os_abi))
config.substitutions.append(('%target-os-is-maccatalyst', target_os_is_maccatalyst))
config.substitutions.append(('%target-mandates-stable-abi',
target_mandates_stable_abi))
config.substitutions.append(('%target-endian', run_endian))
config.substitutions.append(('%target-os', run_os))
config.substitutions.append(('%target-ptrsize', run_ptrsize))
config.substitutions.append(('%target-vendor', run_vendor))
config.substitutions.append(('%target-alignment', "%d" % (int(run_ptrsize)/8)))
# Enable Darwin SDK-dependent tests if we have an SDK.
# On Linux, assume that SDK path does not point to the Darwin SDK.
if config.variant_sdk != "":
config.substitutions.append(('%sdk', '"%s"' % config.variant_sdk))
# Enable interpreter-based tests on platforms where the interpreter is known to
# work.
if platform.system() == 'Darwin' and (run_os == 'macosx' or run_os == 'darwin'):
# Disable REPL tests if SDK overlay is not in the resource dir.
# <rdar://problem/16678410> Adding more libraries with -lfoo to REPL is broken
if swift_test_mode != 'only_non_executable':
config.available_features.add('swift_repl')
config.available_features.add('swift_interpreter')
elif platform.system() == 'Linux':
if swift_test_mode != 'only_non_executable':
config.available_features.add('swift_interpreter')
# The global environment in Android sets ANDROID_DATA, so if that variable is
# set, we are probably running in Android.
kIsAndroid = 'ANDROID_DATA' in os.environ
# swift-remoteast-test requires the ability to compile and run code
# for the system we compiled the swift-remoteast-test executable on.
# This is potentially a stronger constraint than just "can we interpret",
# but use that as an approximation for now.
if 'swift_interpreter' in config.available_features:
config.available_features.add('swift-remoteast-test')
config.target_runtime = "unknown"
if (getattr(config, 'darwin_enable_maccatalyst', False) and
config.darwin_maccatalyst_build_flavor == "ios-like"):
variant_suffix = config.darwin_osx_variant_suffix
else:
variant_suffix = config.variant_suffix
swift_reflection_test_name = 'swift-reflection-test' + variant_suffix
def use_interpreter_for_simple_runs():
def make_simple_target_run(gyb=False, stdlib=False, parameterized=False):
result = ''
if gyb:
result += ('%empty-directory(%t) && '
'%gyb %s -o %t/main.swift && '
'%line-directive %t/main.swift -- ')
# FIXME: SWIFT_INTERPRETER needs to be a set of arguments, not just a
# path.
result += (
'env SWIFT_INTERPRETER=%r %s %r %s -module-name main %s %s %s '
% (config.swift, xcrun_prefix, config.swift, target_options,
config.swift_test_options,
config.swift_driver_test_options,
swift_execution_tests_extra_flags))
if stdlib:
result += '-Xfrontend -disable-access-control '
if parameterized:
result += ' \\1 '
if gyb:
result += '%t/main.swift'
else:
result += '%s'
return result
config.target_run_stdlib_swiftgyb = make_simple_target_run(gyb=True)
config.target_run_simple_swiftgyb = make_simple_target_run(gyb=True)
config.target_run_stdlib_swift = make_simple_target_run(stdlib=True)
config.target_run_simple_swift = make_simple_target_run()
config.target_run_simple_swift_parameterized = make_simple_target_run(parameterized=True)
config.target_run_simple_swiftgyb_parameterized = make_simple_target_run(gyb=True, parameterized=True)
config.available_features.add('interpret')
target_specific_module_triple = config.variant_triple
target_future = target_specific_module_triple
config.target_run = ''
config.target_rtti_opt = '-fno-rtti'
config.target_pic_opt = ''
config.target_cxx_lib = '-lc++'
config.target_msvc_runtime_opt = ''
config.target_static_library_prefix = 'lib'
config.target_static_library_suffix = '.a'
if run_vendor == 'apple':
target_specific_module_triple = '{}-apple-{}'.format(
{ 'aarch64': 'arm64', 'amd64': 'x86_64' }.get(run_cpu, run_cpu),
{ 'macosx': 'macos', 'darwin': 'macos' }.get(run_os, run_os)
)
config.target_object_format = "macho"
config.target_shared_library_prefix = 'lib'
config.target_shared_library_suffix = ".dylib"
if 'use_os_stdlib' not in lit_config.params:
config.target_codesign = make_path(config.swift_utils, "swift-darwin-postprocess.py")
else:
config.target_codesign = "codesign -f -s -"
config.target_runtime = "objc"
config.available_features.add('libdispatch')
config.available_features.add('foundation')
config.available_features.add('objc_interop')
run_objc_interop = "objc"
# The "freestanding" tests will link against the static libswiftCore.a and
# cannot use any of Obj-C / Dispatch / Foundation.
if "-freestanding" in config.variant_suffix:
config.target_runtime = "native"
config.available_features.remove('libdispatch')
config.available_features.remove('foundation')
config.available_features.remove('objc_interop')
config.available_features.add('freestanding')
# Build all "freestanding" tests with -disable-objc-interop
swift_execution_tests_extra_flags += ' -Xfrontend -disable-objc-interop'
# Link all "freestanding" tests with -dead_strip, which can effectively
# even remove parts of the stdlib and runtime, if it's not needed. Since
# it's a very desired behavior, let's enable it for all executable tests.
swift_execution_tests_extra_flags += ' -Xlinker -dead_strip'
# Build a resource dir for freestanding tests.
new_resource_dir = os.path.join(config.test_exec_root, "resource_dir")
if not os.path.exists(new_resource_dir): os.mkdir(new_resource_dir)
def symlink_if_not_exists(src, dst):
src = os.path.join(test_resource_dir, src)
dst = os.path.join(new_resource_dir, dst)
if not os.path.exists(dst): os.symlink(src, dst)
symlink_if_not_exists("clang", "clang")
symlink_if_not_exists("shims", "shims")
symlink_if_not_exists("freestanding", "macosx")
config.resource_dir_opt = "-resource-dir %s" % new_resource_dir
lit_config.note('Using freestanding resource dir: ' + new_resource_dir)
# Auto-linking does not work when stdlib is built with LTO, because linked
# libraries are discovered too late (after optimizations are applied), and
# ld64 hits an assert and crashes. Until ld64 fixes this, let's workaround
# it by explicitly -l linking all libraries needed in tests.
if "stdlib_lto" in config.available_features:
for library in ["swiftCore", "swiftStdlibUnittest",
"swiftStdlibUnicodeUnittest",
"swiftStdlibCollectionUnittest",
"swiftSwiftPrivateLibcExtras", "swiftSwiftPrivate",
"swiftDarwin", "swiftSwiftPrivateThreadExtras",
"swiftSwiftOnoneSupport"]:
swift_execution_tests_extra_flags += ' -Xlinker -l%s'% library
xcrun_prefix = (
"xcrun --toolchain %s --sdk %r" %
(config.darwin_xcrun_toolchain, config.variant_sdk))
extra_frameworks_dir = make_path(config.variant_sdk, "..", "..", "..",
"Developer", "Library", "Frameworks")
target_options = (
"-target %s %s %s" %
(config.variant_triple, config.resource_dir_opt, mcp_opt))
target_options_for_mock_sdk = (
"-target %s %s %s" %
(config.variant_triple, stdlib_resource_dir_opt, mcp_opt))
target_options_for_mock_sdk_after = sdk_overlay_dir_opt
target_future_version = ''
# Only permit non-executable tests for ARM on Darwin unless you are on macOS
if 'arm' in run_cpu and run_os not in ('macosx',):
if swift_test_mode != 'only_non_executable':
raise RuntimeError('Device tests are currently only supported when '
'the swift_test_mode is "only_non_executable". Current '
'swift_test_mode is {}.'.format(swift_test_mode))
if 'arm' in run_cpu and not (run_os == 'macosx' or run_os == 'maccatalyst'):
# iOS/tvOS/watchOS device
if run_os == 'ios':
lit_config.note('Testing iOS ' + config.variant_triple)
xcrun_sdk_name = "iphoneos"