1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# -*- 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')
###
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).
# 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)
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
# 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
|
