Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 1 | # -*- Python -*- |
| 2 | |
| 3 | # Configuration file for the 'lit' test runner. |
| 4 | |
| 5 | import os |
| 6 | |
| 7 | # name: The name of this test suite. |
| 8 | config.name = 'LLVM' |
| 9 | |
| 10 | # testFormat: The test format to use to interpret tests. |
| 11 | config.test_format = lit.formats.TclTest() |
| 12 | |
| 13 | # suffixes: A list of file extensions to treat as test files, this is actually |
| 14 | # set by on_clone(). |
| 15 | config.suffixes = [] |
| 16 | |
| 17 | # test_source_root: The root path where tests are located. |
| 18 | config.test_source_root = os.path.dirname(__file__) |
| 19 | |
| 20 | # test_exec_root: The root path where tests should be run. |
| 21 | llvm_obj_root = getattr(config, 'llvm_obj_root', None) |
| 22 | if llvm_obj_root is not None: |
| 23 | config.test_exec_root = os.path.join(llvm_obj_root, 'test') |
| 24 | |
Daniel Dunbar | 5ed7be1 | 2009-11-08 09:08:00 +0000 | [diff] [blame] | 25 | # Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin |
| 26 | # dir (if available). |
| 27 | if llvm_obj_root is not None: |
| 28 | llvm_src_root = getattr(config, 'llvm_src_root', None) |
| 29 | if not llvm_src_root: |
| 30 | lit.fatal('No LLVM source root set!') |
| 31 | path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test', |
| 32 | 'Scripts'), |
| 33 | config.environment['PATH'])) |
| 34 | config.environment['PATH'] = path |
| 35 | |
| 36 | llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) |
| 37 | if not llvm_tools_dir: |
| 38 | lit.fatal('No LLVM tools dir set!') |
| 39 | path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) |
| 40 | config.environment['PATH'] = path |
| 41 | |
| 42 | llvmgcc_dir = getattr(config, 'llvmgcc_dir', None) |
| 43 | if not llvm_tools_dir: |
| 44 | lit.fatal('No llvm-gcc dir set!') |
| 45 | if llvmgcc_dir: |
| 46 | path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'), |
| 47 | config.environment['PATH'])) |
| 48 | config.environment['PATH'] = path |
| 49 | |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 50 | ### |
| 51 | |
| 52 | import os |
| 53 | |
| 54 | # Check that the object root is known. |
| 55 | if config.test_exec_root is None: |
| 56 | # Otherwise, we haven't loaded the site specific configuration (the user is |
| 57 | # probably trying to run on a test file directly, and either the site |
| 58 | # configuration hasn't been created by the build system, or we are in an |
| 59 | # out-of-tree build situation). |
| 60 | |
Daniel Dunbar | aefd63d | 2009-12-08 19:47:36 +0000 | [diff] [blame] | 61 | # Check for 'llvm_site_config' user parameter, and use that if available. |
| 62 | site_cfg = lit.params.get('llvm_site_config', None) |
| 63 | if site_cfg and os.path.exists(site_cfg): |
| 64 | lit.load_config(config, site_cfg) |
| 65 | raise SystemExit |
| 66 | |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 67 | # Try to detect the situation where we are using an out-of-tree build by |
| 68 | # looking for 'llvm-config'. |
| 69 | # |
| 70 | # FIXME: I debated (i.e., wrote and threw away) adding logic to |
| 71 | # automagically generate the lit.site.cfg if we are in some kind of fresh |
| 72 | # build situation. This means knowing how to invoke the build system |
| 73 | # though, and I decided it was too much magic. |
| 74 | |
| 75 | llvm_config = lit.util.which('llvm-config', config.environment['PATH']) |
| 76 | if not llvm_config: |
| 77 | lit.fatal('No site specific configuration available!') |
| 78 | |
| 79 | # Get the source and object roots. |
| 80 | llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() |
| 81 | llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() |
| 82 | |
| 83 | # Validate that we got a tree which points to here. |
| 84 | this_src_root = os.path.dirname(config.test_source_root) |
| 85 | if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root): |
| 86 | lit.fatal('No site specific configuration available!') |
| 87 | |
| 88 | # Check that the site specific configuration exists. |
| 89 | site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg') |
| 90 | if not os.path.exists(site_cfg): |
| 91 | lit.fatal('No site specific configuration available!') |
| 92 | |
| 93 | # Okay, that worked. Notify the user of the automagic, and reconfigure. |
| 94 | lit.note('using out-of-tree build at %r' % llvm_obj_root) |
| 95 | lit.load_config(config, site_cfg) |
| 96 | raise SystemExit |
| 97 | |
| 98 | ### |
| 99 | |
| 100 | # Load site data from DejaGNU's site.exp. |
| 101 | import re |
| 102 | site_exp = {} |
| 103 | # FIXME: Implement lit.site.cfg. |
| 104 | for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')): |
| 105 | m = re.match('set ([^ ]+) "([^"]*)"', line) |
| 106 | if m: |
| 107 | site_exp[m.group(1)] = m.group(2) |
| 108 | |
| 109 | # Add substitutions. |
Daniel Dunbar | b0c9a99 | 2009-10-30 21:13:59 +0000 | [diff] [blame] | 110 | config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc'])) |
Daniel Dunbar | f3e2d80 | 2009-09-10 04:56:59 +0000 | [diff] [blame] | 111 | for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c', |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 112 | 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir', |
| 113 | 'bugpoint_topts']: |
| 114 | if sub in ('llvmgcc', 'llvmgxx'): |
| 115 | config.substitutions.append(('%' + sub, |
| 116 | site_exp[sub] + ' -emit-llvm -w')) |
Benjamin Kramer | 66c439a | 2010-02-04 18:40:11 +0000 | [diff] [blame] | 117 | # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver |
| 118 | # warning when passing in "-fexceptions -fno-exceptions". |
| 119 | elif sub == 'compile_cxx': |
| 120 | config.substitutions.append(('%' + sub, |
| 121 | site_exp[sub].replace('-fno-exceptions', ''))) |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 122 | else: |
| 123 | config.substitutions.append(('%' + sub, site_exp[sub])) |
| 124 | |
| 125 | excludes = [] |
| 126 | |
| 127 | # Provide target_triple for use in XFAIL and XTARGET. |
| 128 | config.target_triple = site_exp['target_triplet'] |
| 129 | |
| 130 | # Provide llvm_supports_target for use in local configs. |
| 131 | targets = set(site_exp["TARGETS_TO_BUILD"].split()) |
| 132 | def llvm_supports_target(name): |
| 133 | return name in targets |
| 134 | |
Daniel Dunbar | 197f1f0 | 2010-02-02 22:00:15 +0000 | [diff] [blame] | 135 | def llvm_supports_darwin_and_target(name): |
| 136 | return 'darwin' in config.target_triple and llvm_supports_target(name) |
| 137 | |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 138 | langs = set(site_exp['llvmgcc_langs'].split(',')) |
| 139 | def llvm_gcc_supports(name): |
| 140 | return name in langs |
| 141 | |
Daniel Dunbar | 840a718 | 2009-09-13 01:41:18 +0000 | [diff] [blame] | 142 | bindings = set(site_exp['llvm_bindings'].split(',')) |
| 143 | def llvm_supports_binding(name): |
Daniel Dunbar | 89a9c91 | 2010-01-16 00:00:20 +0000 | [diff] [blame] | 144 | return name in bindings |
Daniel Dunbar | 840a718 | 2009-09-13 01:41:18 +0000 | [diff] [blame] | 145 | |
Daniel Dunbar | 70a3b77 | 2009-09-08 05:31:44 +0000 | [diff] [blame] | 146 | # Provide on_clone hook for reading 'dg.exp'. |
| 147 | import os |
| 148 | simpleLibData = re.compile(r"""load_lib llvm.exp |
| 149 | |
| 150 | RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""", |
| 151 | re.MULTILINE) |
| 152 | conditionalLibData = re.compile(r"""load_lib llvm.exp |
| 153 | |
| 154 | if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{ |
| 155 | *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\] |
| 156 | \}""", re.MULTILINE) |
| 157 | def on_clone(parent, cfg, for_path): |
| 158 | def addSuffixes(match): |
| 159 | if match[0] == '{' and match[-1] == '}': |
| 160 | cfg.suffixes = ['.' + s for s in match[1:-1].split(',')] |
| 161 | else: |
| 162 | cfg.suffixes = ['.' + match] |
| 163 | |
| 164 | libPath = os.path.join(os.path.dirname(for_path), |
| 165 | 'dg.exp') |
| 166 | if not os.path.exists(libPath): |
| 167 | cfg.unsupported = True |
| 168 | return |
| 169 | |
| 170 | # Reset unsupported, in case we inherited it. |
| 171 | cfg.unsupported = False |
| 172 | lib = open(libPath).read().strip() |
| 173 | |
| 174 | # Check for a simple library. |
| 175 | m = simpleLibData.match(lib) |
| 176 | if m: |
| 177 | addSuffixes(m.group(1)) |
| 178 | return |
| 179 | |
| 180 | # Check for a conditional test set. |
| 181 | m = conditionalLibData.match(lib) |
| 182 | if m: |
| 183 | funcname,arg,match = m.groups() |
| 184 | addSuffixes(match) |
| 185 | |
| 186 | func = globals().get(funcname) |
| 187 | if not func: |
| 188 | lit.error('unsupported predicate %r' % funcname) |
| 189 | elif not func(arg): |
| 190 | cfg.unsupported = True |
| 191 | return |
| 192 | # Otherwise, give up. |
| 193 | lit.error('unable to understand %r:\n%s' % (libPath, lib)) |
| 194 | |
| 195 | config.on_clone = on_clone |