forked from OSchip/llvm-project
289 lines
10 KiB
Python
289 lines
10 KiB
Python
# -*- Python -*-
|
|
|
|
# Configuration file for the 'lit' test runner.
|
|
|
|
import os
|
|
import sys
|
|
import re
|
|
import platform
|
|
import subprocess
|
|
|
|
import lit.util
|
|
import lit.formats
|
|
from lit.llvm import llvm_config
|
|
from lit.llvm.subst import FindTool
|
|
from lit.llvm.subst import ToolSubst
|
|
|
|
# name: The name of this test suite.
|
|
config.name = 'LLVM'
|
|
|
|
# testFormat: The test format to use to interpret tests.
|
|
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
|
|
|
|
# suffixes: A list of file extensions to treat as test files. This is overriden
|
|
# by individual lit.local.cfg files in the test subdirectories.
|
|
config.suffixes = ['.ll', '.c', '.cxx', '.test', '.txt', '.s', '.mir']
|
|
|
|
# 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.llvm_obj_root, 'test')
|
|
|
|
# Tweak the PATH to include the tools dir.
|
|
llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
|
|
|
|
# Propagate some variables from the host environment.
|
|
llvm_config.with_system_environment(
|
|
['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP', 'ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'])
|
|
|
|
|
|
# Set up OCAMLPATH to include newly built OCaml libraries.
|
|
top_ocaml_lib = os.path.join(config.llvm_lib_dir, 'ocaml')
|
|
llvm_ocaml_lib = os.path.join(top_ocaml_lib, 'llvm')
|
|
|
|
llvm_config.with_system_environment('OCAMLPATH')
|
|
llvm_config.with_environment('OCAMLPATH', top_ocaml_lib, append_path=True)
|
|
llvm_config.with_environment('OCAMLPATH', llvm_ocaml_lib, append_path=True)
|
|
|
|
llvm_config.with_system_environment('CAML_LD_LIBRARY_PATH')
|
|
llvm_config.with_environment(
|
|
'CAML_LD_LIBRARY_PATH', llvm_ocaml_lib, append_path=True)
|
|
|
|
# Set up OCAMLRUNPARAM to enable backtraces in OCaml tests.
|
|
llvm_config.with_environment('OCAMLRUNPARAM', 'b')
|
|
|
|
# Provide the path to asan runtime lib 'libclang_rt.asan_osx_dynamic.dylib' if
|
|
# available. This is darwin specific since it's currently only needed on darwin.
|
|
|
|
|
|
def get_asan_rtlib():
|
|
if not 'Address' in config.llvm_use_sanitizer or \
|
|
not 'Darwin' in config.host_os or \
|
|
not 'x86' in config.host_triple:
|
|
return ''
|
|
try:
|
|
import glob
|
|
except:
|
|
print('glob module not found, skipping get_asan_rtlib() lookup')
|
|
return ''
|
|
# The libclang_rt.asan_osx_dynamic.dylib path is obtained using the relative
|
|
# path from the host cc.
|
|
host_lib_dir = os.path.join(os.path.dirname(config.host_cc), '../lib')
|
|
asan_dylib_dir_pattern = host_lib_dir + \
|
|
'/clang/*/lib/darwin/libclang_rt.asan_osx_dynamic.dylib'
|
|
found_dylibs = glob.glob(asan_dylib_dir_pattern)
|
|
if len(found_dylibs) != 1:
|
|
return ''
|
|
return found_dylibs[0]
|
|
|
|
|
|
llvm_config.use_default_substitutions()
|
|
|
|
# Add site-specific substitutions.
|
|
config.substitutions.append(('%llvmshlibdir', config.llvm_shlib_dir))
|
|
config.substitutions.append(('%shlibext', config.llvm_shlib_ext))
|
|
config.substitutions.append(('%exeext', config.llvm_exe_ext))
|
|
config.substitutions.append(('%host_cc', config.host_cc))
|
|
|
|
|
|
lli_args = []
|
|
# The target triple used by default by lli is the process target triple (some
|
|
# triple appropriate for generating code for the current process) but because
|
|
# we don't support COFF in MCJIT well enough for the tests, force ELF format on
|
|
# Windows. FIXME: the process target triple should be used here, but this is
|
|
# difficult to obtain on Windows.
|
|
if re.search(r'cygwin|mingw32|windows-gnu|windows-msvc|win32', config.host_triple):
|
|
lli_args = ['-mtriple=' + config.host_triple + '-elf']
|
|
|
|
llc_args = []
|
|
|
|
# Similarly, have a macro to use llc with DWARF even when the host is win32.
|
|
if re.search(r'win32', config.target_triple):
|
|
llc_args = [' -mtriple=' +
|
|
config.target_triple.replace('-win32', '-mingw32')]
|
|
|
|
# Provide the path to asan runtime lib if available. On darwin, this lib needs
|
|
# to be loaded via DYLD_INSERT_LIBRARIES before libLTO.dylib in case the files
|
|
# to be linked contain instrumented sanitizer code.
|
|
ld64_cmd = config.ld64_executable
|
|
asan_rtlib = get_asan_rtlib()
|
|
if asan_rtlib:
|
|
ld64_cmd = 'DYLD_INSERT_LIBRARIES={} {}'.format(asan_rtlib, ld64_cmd)
|
|
|
|
ocamlc_command = '%s ocamlc -cclib -L%s %s' % (
|
|
config.ocamlfind_executable, config.llvm_lib_dir, config.ocaml_flags)
|
|
ocamlopt_command = 'true'
|
|
if config.have_ocamlopt:
|
|
ocamlopt_command = '%s ocamlopt -cclib -L%s -cclib -Wl,-rpath,%s %s' % (
|
|
config.ocamlfind_executable, config.llvm_lib_dir, config.llvm_lib_dir, config.ocaml_flags)
|
|
|
|
|
|
tools = [
|
|
ToolSubst('%lli', FindTool('lli'), post='.', extra_args=lli_args),
|
|
ToolSubst('%llc_dwarf', FindTool('llc'), extra_args=llc_args),
|
|
ToolSubst('%go', config.go_executable, unresolved='ignore'),
|
|
ToolSubst('%gold', config.gold_executable, unresolved='ignore'),
|
|
ToolSubst('%ld64', ld64_cmd, unresolved='ignore'),
|
|
ToolSubst('%ocamlc', ocamlc_command, unresolved='ignore'),
|
|
ToolSubst('%ocamlopt', ocamlopt_command, unresolved='ignore'),
|
|
]
|
|
|
|
# FIXME: Why do we have both `lli` and `%lli` that do slightly different things?
|
|
tools.extend([
|
|
'lli', 'lli-child-target', 'llvm-ar', 'llvm-as', 'llvm-bcanalyzer', 'llvm-config', 'llvm-cov',
|
|
'llvm-cxxdump', 'llvm-cvtres', 'llvm-diff', 'llvm-dis', 'llvm-dsymutil',
|
|
'llvm-dwarfdump', 'llvm-extract', 'llvm-isel-fuzzer', 'llvm-lib',
|
|
'llvm-link', 'llvm-lto', 'llvm-lto2', 'llvm-mc', 'llvm-mcmarkup',
|
|
'llvm-modextract', 'llvm-nm', 'llvm-objcopy', 'llvm-objdump',
|
|
'llvm-pdbutil', 'llvm-profdata', 'llvm-ranlib', 'llvm-readobj',
|
|
'llvm-rtdyld', 'llvm-size', 'llvm-split', 'llvm-strings', 'llvm-tblgen',
|
|
'llvm-c-test', 'llvm-cxxfilt', 'llvm-xray', 'yaml2obj', 'obj2yaml',
|
|
'yaml-bench', 'verify-uselistorder',
|
|
'bugpoint', 'llc', 'llvm-symbolizer', 'opt', 'sancov', 'sanstats'])
|
|
|
|
# The following tools are optional
|
|
tools.extend([
|
|
ToolSubst('llvm-go', unresolved='ignore'),
|
|
ToolSubst('llvm-mt', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch3', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch4', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch5', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch6', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch7', unresolved='ignore'),
|
|
ToolSubst('Kaleidoscope-Ch8', unresolved='ignore')])
|
|
|
|
llvm_config.add_tool_substitutions(tools, config.llvm_tools_dir)
|
|
|
|
# Targets
|
|
|
|
config.targets = frozenset(config.targets_to_build.split())
|
|
|
|
for arch in config.targets_to_build.split():
|
|
config.available_features.add(arch.lower() + '-registered-target')
|
|
|
|
# Features
|
|
known_arches = ["x86_64", "mips64", "ppc64", "aarch64"]
|
|
if (config.host_ldflags.find("-m32") < 0
|
|
and any(config.llvm_host_triple.startswith(x) for x in known_arches)):
|
|
config.available_features.add("llvm-64-bits")
|
|
|
|
# Others/can-execute.txt
|
|
if sys.platform not in ['win32']:
|
|
config.available_features.add('can-execute')
|
|
config.available_features.add('not_COFF')
|
|
|
|
# Loadable module
|
|
# FIXME: This should be supplied by Makefile or autoconf.
|
|
if sys.platform in ['win32', 'cygwin']:
|
|
loadable_module = (config.enable_shared == 1)
|
|
else:
|
|
loadable_module = True
|
|
|
|
if loadable_module:
|
|
config.available_features.add('loadable_module')
|
|
|
|
# Static libraries are not built if BUILD_SHARED_LIBS is ON.
|
|
if not config.build_shared_libs and not config.link_llvm_dylib:
|
|
config.available_features.add('static-libs')
|
|
|
|
# Direct object generation
|
|
if not 'hexagon' in config.target_triple:
|
|
config.available_features.add('object-emission')
|
|
|
|
# LLVM can be configured with an empty default triple
|
|
# Some tests are "generic" and require a valid default triple
|
|
if config.target_triple:
|
|
config.available_features.add('default_triple')
|
|
|
|
import subprocess
|
|
|
|
|
|
def have_ld_plugin_support():
|
|
if not os.path.exists(os.path.join(config.llvm_shlib_dir, 'LLVMgold.so')):
|
|
return False
|
|
|
|
ld_cmd = subprocess.Popen(
|
|
[config.gold_executable, '--help'], stdout=subprocess.PIPE, env={'LANG': 'C'})
|
|
ld_out = ld_cmd.stdout.read().decode()
|
|
ld_cmd.wait()
|
|
|
|
if not '-plugin' in ld_out:
|
|
return False
|
|
|
|
# check that the used emulations are supported.
|
|
emu_line = [l for l in ld_out.split('\n') if 'supported emulations' in l]
|
|
if len(emu_line) != 1:
|
|
return False
|
|
emu_line = emu_line[0]
|
|
fields = emu_line.split(':')
|
|
if len(fields) != 3:
|
|
return False
|
|
emulations = fields[2].split()
|
|
if 'elf_x86_64' not in emulations:
|
|
return False
|
|
if 'elf32ppc' in emulations:
|
|
config.available_features.add('ld_emu_elf32ppc')
|
|
|
|
ld_version = subprocess.Popen(
|
|
[config.gold_executable, '--version'], stdout=subprocess.PIPE, env={'LANG': 'C'})
|
|
if not 'GNU gold' in ld_version.stdout.read().decode():
|
|
return False
|
|
ld_version.wait()
|
|
|
|
return True
|
|
|
|
|
|
if have_ld_plugin_support():
|
|
config.available_features.add('ld_plugin')
|
|
|
|
|
|
def have_ld64_plugin_support():
|
|
if not config.llvm_tool_lto_build or config.ld64_executable == '':
|
|
return False
|
|
|
|
ld_cmd = subprocess.Popen(
|
|
[config.ld64_executable, '-v'], stderr=subprocess.PIPE)
|
|
ld_out = ld_cmd.stderr.read().decode()
|
|
ld_cmd.wait()
|
|
|
|
if 'ld64' not in ld_out or 'LTO' not in ld_out:
|
|
return False
|
|
|
|
return True
|
|
|
|
|
|
if have_ld64_plugin_support():
|
|
config.available_features.add('ld64_plugin')
|
|
|
|
# Ask llvm-config about asserts and global-isel.
|
|
llvm_config.feature_config(
|
|
[('--assertion-mode', {'ON': 'asserts'}),
|
|
('--has-global-isel', {'ON': 'global-isel'})])
|
|
|
|
if 'darwin' == sys.platform:
|
|
try:
|
|
sysctl_cmd = subprocess.Popen(['sysctl', 'hw.optional.fma'],
|
|
stdout=subprocess.PIPE)
|
|
except OSError:
|
|
print('Could not exec sysctl')
|
|
result = sysctl_cmd.stdout.read().decode('ascii')
|
|
if -1 != result.find('hw.optional.fma: 1'):
|
|
config.available_features.add('fma3')
|
|
sysctl_cmd.wait()
|
|
|
|
# .debug_frame is not emitted for targeting Windows x64.
|
|
if not re.match(r'^x86_64.*-(mingw32|windows-gnu|win32)', config.target_triple):
|
|
config.available_features.add('debug_frame')
|
|
|
|
if config.have_libxar:
|
|
config.available_features.add('xar')
|
|
|
|
if config.llvm_libxml2_enabled == '1':
|
|
config.available_features.add('libxml2')
|