llvm-6502/test/lit.cfg
Daniel Dunbar 55983f1ca5 tests: Propogate the HOME environment variable through to tests. I'm ambivalent
about this, but it can be useful for users who use ccache, since the LLVMC tests
are fond of calling gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97171 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25 22:09:09 +00:00

197 lines
6.9 KiB
Python

# -*- Python -*-
# Configuration file for the 'lit' test runner.
import os
# name: The name of this test suite.
config.name = 'LLVM'
# testFormat: The test format to use to interpret tests.
config.test_format = lit.formats.TclTest()
# suffixes: A list of file extensions to treat as test files, this is actually
# set by on_clone().
config.suffixes = []
# 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.
llvm_obj_root = getattr(config, 'llvm_obj_root', None)
if llvm_obj_root is not None:
config.test_exec_root = os.path.join(llvm_obj_root, 'test')
# Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
# dir (if available).
if llvm_obj_root is not None:
llvm_src_root = getattr(config, 'llvm_src_root', None)
if not llvm_src_root:
lit.fatal('No LLVM source root set!')
path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
'Scripts'),
config.environment['PATH']))
config.environment['PATH'] = path
llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
if not llvm_tools_dir:
lit.fatal('No LLVM tools dir set!')
path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
config.environment['PATH'] = path
llvmgcc_dir = getattr(config, 'llvmgcc_dir', None)
if llvmgcc_dir:
path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
config.environment['PATH']))
config.environment['PATH'] = path
# Propogate 'HOME' through the environment.
config.environment['HOME'] = os.environ['HOME']
###
import os
# 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 'llvm_site_config' user parameter, and use that if available.
site_cfg = lit.params.get('llvm_site_config', None)
if site_cfg and os.path.exists(site_cfg):
lit.load_config(config, site_cfg)
raise SystemExit
# Try to detect the situation where we are using an out-of-tree build by
# looking for 'llvm-config'.
#
# FIXME: I debated (i.e., wrote and threw away) adding logic to
# automagically generate the lit.site.cfg if we are in some kind of fresh
# build situation. This means knowing how to invoke the build system
# though, and I decided it was too much magic.
llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
if not llvm_config:
lit.fatal('No site specific configuration available!')
# Get the source and object roots.
llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
# Validate that we got a tree which points to here.
this_src_root = os.path.dirname(config.test_source_root)
if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
lit.fatal('No site specific configuration available!')
# Check that the site specific configuration exists.
site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
if not os.path.exists(site_cfg):
lit.fatal('No site specific configuration available!')
# Okay, that worked. Notify the user of the automagic, and reconfigure.
lit.note('using out-of-tree build at %r' % llvm_obj_root)
lit.load_config(config, site_cfg)
raise SystemExit
###
# Load site data from DejaGNU's site.exp.
import re
site_exp = {}
# FIXME: Implement lit.site.cfg.
for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
m = re.match('set ([^ ]+) "([^"]*)"', line)
if m:
site_exp[m.group(1)] = m.group(2)
# Add substitutions.
config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
'bugpoint_topts']:
if sub in ('llvmgcc', 'llvmgxx'):
config.substitutions.append(('%' + sub,
site_exp[sub] + ' -emit-llvm -w'))
# FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
# warning when passing in "-fexceptions -fno-exceptions".
elif sub == 'compile_cxx':
config.substitutions.append(('%' + sub,
site_exp[sub].replace('-fno-exceptions', '')))
else:
config.substitutions.append(('%' + sub, site_exp[sub]))
excludes = []
# Provide target_triple for use in XFAIL and XTARGET.
config.target_triple = site_exp['target_triplet']
# Provide llvm_supports_target for use in local configs.
targets = set(site_exp["TARGETS_TO_BUILD"].split())
def llvm_supports_target(name):
return name in targets
def llvm_supports_darwin_and_target(name):
return 'darwin' in config.target_triple and llvm_supports_target(name)
langs = set(site_exp['llvmgcc_langs'].split(','))
def llvm_gcc_supports(name):
return name in langs
bindings = set(site_exp['llvm_bindings'].split(','))
def llvm_supports_binding(name):
return name in bindings
# Provide on_clone hook for reading 'dg.exp'.
import os
simpleLibData = re.compile(r"""load_lib llvm.exp
RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
re.MULTILINE)
conditionalLibData = re.compile(r"""load_lib llvm.exp
if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
*RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
\}""", re.MULTILINE)
def on_clone(parent, cfg, for_path):
def addSuffixes(match):
if match[0] == '{' and match[-1] == '}':
cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
else:
cfg.suffixes = ['.' + match]
libPath = os.path.join(os.path.dirname(for_path),
'dg.exp')
if not os.path.exists(libPath):
cfg.unsupported = True
return
# Reset unsupported, in case we inherited it.
cfg.unsupported = False
lib = open(libPath).read().strip()
# Check for a simple library.
m = simpleLibData.match(lib)
if m:
addSuffixes(m.group(1))
return
# Check for a conditional test set.
m = conditionalLibData.match(lib)
if m:
funcname,arg,match = m.groups()
addSuffixes(match)
func = globals().get(funcname)
if not func:
lit.error('unsupported predicate %r' % funcname)
elif not func(arg):
cfg.unsupported = True
return
# Otherwise, give up.
lit.error('unable to understand %r:\n%s' % (libPath, lib))
config.on_clone = on_clone