X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=test%2Flit.cfg;h=9e590a80a99ffea9c2b313c7c84e393b61e01875;hp=fd3120a29fe984bb954e7f381dab5aee3747a569;hb=dd5d86d992eb129ecd0bb013d2db2d6a0e8d2605;hpb=32989deb9641cf3878686b5634311a7a125f8f02

diff --git a/test/lit.cfg b/test/lit.cfg
index fd3120a29fe..9e590a80a99 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -3,16 +3,50 @@
 # Configuration file for the 'lit' test runner.
 
 import os
+import sys
+import re
+import platform
+
+import lit.util
+import lit.formats
 
 # name: The name of this test suite.
 config.name = 'LLVM'
 
+# Tweak PATH for Win32 to decide to use bash.exe or not.
+if sys.platform in ['win32']:
+    # Seek sane tools in directories and set to $PATH.
+    path = getattr(config, 'lit_tools_dir', None)
+    path = lit_config.getToolsPath(path,
+                                   config.environment['PATH'],
+                                   ['cmp.exe', 'grep.exe', 'sed.exe'])
+    if path is not None:
+        path = os.path.pathsep.join((path,
+                                     config.environment['PATH']))
+        config.environment['PATH'] = path
+
+# 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")
+if use_lit_shell:
+    # 0 is external, "" is default, and everything else is internal.
+    execute_external = (use_lit_shell == "0")
+else:
+    # Otherwise we default to internal on Windows and external elsewhere, as
+    # bash on Windows is usually very slow.
+    execute_external = (not sys.platform in ['win32'])
+
 # testFormat: The test format to use to interpret tests.
-config.test_format = lit.formats.TclTest()
+config.test_format = lit.formats.ShTest(execute_external)
+
+# 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', '.cpp', '.test', '.txt', '.s']
 
-# suffixes: A list of file extensions to treat as test files, this is actually
-# set by on_clone().
-config.suffixes = []
+# 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__)
@@ -22,31 +56,44 @@ 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).
+# Tweak the PATH to include the tools dir.
 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!')
+        lit_config.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
+# Propagate 'HOME' through the environment.
+if 'HOME' in os.environ:
+    config.environment['HOME'] = os.environ['HOME']
+
+# Propagate 'INCLUDE' through the environment.
+if 'INCLUDE' in os.environ:
+    config.environment['INCLUDE'] = os.environ['INCLUDE']
+
+# Propagate 'LIB' through the environment.
+if 'LIB' in os.environ:
+    config.environment['LIB'] = os.environ['LIB']
 
-# Propogate 'HOME' through the environment.
-config.environment['HOME'] = os.environ['HOME']
+# Propagate the temp directory. Windows requires this because it uses \Windows\
+# if none of these are present.
+if 'TMP' in os.environ:
+    config.environment['TMP'] = os.environ['TMP']
+if 'TEMP' in os.environ:
+    config.environment['TEMP'] = os.environ['TEMP']
+
+# Propagate LLVM_SRC_ROOT into the environment.
+config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
+
+# Propagate PYTHON_EXECUTABLE into the environment
+config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
+                                                  '')
+
+# Propagate path to symbolizer for ASan/MSan.
+for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
+    if symbolizer in os.environ:
+        config.environment[symbolizer] = os.environ[symbolizer]
 
 ###
 
@@ -60,9 +107,9 @@ if config.test_exec_root is None:
     # 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)
+    site_cfg = lit_config.params.get('llvm_site_config', None)
     if site_cfg and os.path.exists(site_cfg):
-        lit.load_config(config, site_cfg)
+        lit_config.load_config(config, site_cfg)
         raise SystemExit
 
     # Try to detect the situation where we are using an out-of-tree build by
@@ -75,7 +122,7 @@ if config.test_exec_root is None:
 
     llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
     if not llvm_config:
-        lit.fatal('No site specific configuration available!')
+        lit_config.fatal('No site specific configuration available!')
 
     # Get the source and object roots.
     llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
@@ -84,117 +131,215 @@ if config.test_exec_root is None:
     # 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!')
+        lit_config.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!')
+        lit_config.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)
+    lit_config.note('using out-of-tree build at %r' % llvm_obj_root)
+    lit_config.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', '')))
+# Provide a command line for mcjit tests
+lli_mcjit = 'lli -use-mcjit'
+# 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|win32', config.host_triple):
+  lli_mcjit += ' -mtriple='+config.host_triple+'-elf'
+config.substitutions.append( ('%lli_mcjit', lli_mcjit) )
+
+# Provide a substition for those tests that need to run the jit to obtain data
+# but simply want use the currently considered most reliable jit for platform
+# FIXME: ppc32 is not ready for mcjit.
+if 'arm' in config.target_triple \
+   or 'aarch64' in config.target_triple \
+   or 'powerpc64' in config.target_triple \
+   or 's390x' in config.target_triple:
+    defaultIsMCJIT = 'true'
+else:
+    defaultIsMCJIT = 'false'
+config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) )
+
+# Process jit implementation option
+jit_impl_cfg = lit_config.params.get('jit_impl', None)
+if jit_impl_cfg == 'mcjit':
+  # When running with mcjit, mangle -mcjit into target triple
+  # and add -use-mcjit flag to lli invocation
+  if 'i386' in config.target_triple or 'i686' in config.target_triple:
+    config.target_triple += jit_impl_cfg + '-ia32'
+  elif 'x86_64' in config.target_triple:
+    config.target_triple += jit_impl_cfg + '-ia64'
+  else:
+    config.target_triple += jit_impl_cfg
+
+  config.substitutions.append( ('%lli', 'lli -use-mcjit') )
+else:
+  config.substitutions.append( ('%lli', 'lli') )
+
+# Add site-specific substitutions.
+config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
+config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
+config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
+
+# For each occurrence of an llvm tool name as its own word, replace it
+# with the full path to the build directory holding that tool.  This
+# ensures that we are testing the tools just built and not some random
+# tools that might happen to be in the user's PATH.  Thus this list
+# includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
+# (llvm_tools_dir in lit parlance).
+                # Don't match 'bugpoint-' or 'clang-'.
+                # Don't match '/clang' or '-clang'.
+if os.pathsep == ';':
+    pathext = os.environ.get('PATHEXT', '').split(';')
+else:
+    pathext = ['']
+# Regex to reject matching a hyphen
+NOHYPHEN = r"(?<!-)"
+
+for pattern in [r"\bbugpoint\b(?!-)",
+                r"(?<!/|-)\bclang\b(?!-)",
+                r"\bgold\b",
+                # Match llc but not -llc
+                NOHYPHEN + r"\bllc\b",
+                r"\blli\b",
+                r"\bllvm-PerfectShuffle\b",
+                r"\bllvm-ar\b",
+                r"\bllvm-as\b",
+                r"\bllvm-bcanalyzer\b",
+                r"\bllvm-config\b",
+                r"\bllvm-cov\b",
+                r"\bllvm-diff\b",
+                r"\bllvm-dis\b",
+                r"\bllvm-dwarfdump\b",
+                r"\bllvm-extract\b",
+                r"\bllvm-jistlistener\b",
+                r"\bllvm-link\b",
+                r"\bllvm-lto\b",
+                r"\bllvm-mc\b",
+                r"\bllvm-nm\b",
+                r"\bllvm-objdump\b",
+                r"\bllvm-ranlib\b",
+                r"\bllvm-readobj\b",
+                r"\bllvm-rtdyld\b",
+                r"\bllvm-shlib\b",
+                r"\bllvm-size\b",
+                r"\bllvm-tblgen\b",
+                # Match llvmc but not -llvmc
+                NOHYPHEN + r"\bllvmc\b",
+                # Match lto but not -lto
+                NOHYPHEN + r"\blto\b",
+                r"\bmacho-dump\b",
+                # Don't match '.opt', '-opt', '^opt' or '/opt'.
+                r"(?<!\.|-|\^|/)\bopt\b",
+                r"\bFileCheck\b",
+                r"\bFileUpdate\b",
+                r"\bc-index-test\b",
+                r"\bfpcmp\b",
+                # Handle these specially as they are strings searched
+                # for during testing.
+                r"\| \bcount\b",
+                r"\| \bnot\b"]:
+    # Extract the tool name from the pattern.  This relies on the tool
+    # name being surrounded by \b word match operators.  If the
+    # pattern starts with "| ", include it in the string to be
+    # substituted.
+    substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
+                          r"\2" + llvm_tools_dir + "/" + r"\4",
+                          pattern)
+    for ext in pathext:
+        substitution_ext = substitution + ext
+        if os.path.exists(substitution_ext):
+             substitution = substitution_ext
+             break
+    config.substitutions.append((pattern, substitution))
+
+### Features
+
+# Shell execution
+if execute_external:
+    config.available_features.add('shell')
+
+# Others/can-execute.txt
+if sys.platform not in ['win32']:
+    config.available_features.add('can-execute')
+
+# 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')
+
+# Sanitizers.
+if config.llvm_use_sanitizer == "Address":
+    config.available_features.add("asan")
+if (config.llvm_use_sanitizer == "Memory" or
+        config.llvm_use_sanitizer == "MemoryWithOrigins"):
+    config.available_features.add("msan")
+
+# Direct object generation
+if not 'hexagon' in config.target_triple:
+    config.available_features.add("object-emission")
+
+if config.have_zlib == "1":
+    config.available_features.add("zlib")
+
+# Native compilation: host arch == target arch
+if config.host_arch in config.target_triple:
+    config.available_features.add("native")
+
+# llc knows whether he is compiled with -DNDEBUG.
+import subprocess
+try:
+    llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
+                           stdout = subprocess.PIPE)
+except OSError:
+    print("Could not find llc in " + llvm_tools_dir)
+    exit(42)
+
+if re.search(r'with assertions', llc_cmd.stdout.read().decode('ascii')):
+    config.available_features.add('asserts')
+llc_cmd.wait()
+
+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()
+
+# Check if we should use gmalloc.
+use_gmalloc_str = lit_config.params.get('use_gmalloc', None)
+if use_gmalloc_str is not None:
+    if use_gmalloc_str.lower() in ('1', 'true'):
+        use_gmalloc = True
+    elif use_gmalloc_str.lower() in ('', '0', 'false'):
+        use_gmalloc = False
     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']
-
-# When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the
-# triple so we can check it with XFAIL and XTARGET.
-config.target_triple += lit.valgrindTriple
-
-# 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
+        lit_config.fatal('user parameter use_gmalloc should be 0 or 1')
+else:
+    # Default to not using gmalloc
+    use_gmalloc = False
+
+# Allow use of an explicit path for gmalloc library.
+# Will default to '/usr/lib/libgmalloc.dylib' if not set.
+gmalloc_path_str = lit_config.params.get('gmalloc_path',
+                                         '/usr/lib/libgmalloc.dylib')
+
+if use_gmalloc:
+     config.environment.update({'DYLD_INSERT_LIBRARIES' : gmalloc_path_str})