X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=test%2Flit.cfg;h=67c9bbae744e59a69d1c699d3932c07234f86dde;hp=6bc170cdf944afd7cff1dc49e7989a2f18eabdca;hb=29e82393abf3d8f578c6719af03b596858761a4f;hpb=f86186ee244f3c938d04e0fccfa702410698c47b

diff --git a/test/lit.cfg b/test/lit.cfg
index 6bc170cdf94..67c9bbae744 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -5,54 +5,62 @@
 import os
 import sys
 import re
+import platform
+
+import lit.util
+import lit.formats
 
 # 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()
-
-# To ignore test output on stderr so it doesn't trigger failures uncomment this:
-#config.test_format = lit.formats.TclTest(ignoreStdErr=True)
-
-# 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__)
-
-# Tweak PATH for Win32
+# 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.getToolsPath(path,
-                            config.environment['PATH'],
-                            ['cmp.exe', 'grep.exe', 'sed.exe'])
+    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.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']
+
+# 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.
 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
 
@@ -82,6 +90,38 @@ config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
 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]
+
+# Propagate options for sanitizers.
+for options in ['ASAN_OPTIONS', 'UBSAN_OPTIONS']:
+    if options in os.environ:
+        config.environment[options] = os.environ[options]
+
+# Set up OCAMLPATH to include newly built OCaml libraries.
+llvm_lib_dir = getattr(config, 'llvm_lib_dir', None)
+if not llvm_lib_dir:
+    llvm_lib_dir = os.path.join(getattr(config, 'llvm_obj_root', None), 'lib')
+
+llvm_ocaml_lib = os.path.join(llvm_lib_dir, 'ocaml')
+if 'OCAMLPATH' in os.environ:
+    ocamlpath = os.path.pathsep.join((llvm_ocaml_lib, os.environ['OCAMLPATH']))
+    config.environment['OCAMLPATH'] = ocamlpath
+else:
+    config.environment['OCAMLPATH'] = llvm_ocaml_lib
+
+if 'CAML_LD_LIBRARY_PATH' in os.environ:
+    caml_ld_library_path = os.path.pathsep.join((llvm_ocaml_lib,
+                                os.environ['CAML_LD_LIBRARY_PATH']))
+    config.environment['CAML_LD_LIBRARY_PATH'] = caml_ld_library_path
+else:
+    config.environment['CAML_LD_LIBRARY_PATH'] = caml_ld_library_path
+
+# Set up OCAMLRUNPARAM to enable backtraces in OCaml tests.
+config.environment['OCAMLRUNPARAM'] = 'b'
+
 ###
 
 import os
@@ -94,9 +134,9 @@ 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
@@ -109,7 +149,7 @@ 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()
@@ -118,32 +158,52 @@ 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.
-for sub in ['link', 'shlibext', 'ocamlopt', 'llvmshlibdir']:
-    config.substitutions.append(('%' + sub, site_exp[sub]))
+lli = 'lli'
+# 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 += ' -mtriple='+config.host_triple+'-elf'
+config.substitutions.append( ('%lli', lli ) )
+
+# Similarly, have a macro to use llc with DWARF even when the host is win32.
+llc_dwarf = 'llc'
+if re.search(r'win32', config.target_triple):
+  llc_dwarf += ' -mtriple='+config.target_triple.replace('-win32', '-mingw32')
+config.substitutions.append( ('%llc_dwarf', llc_dwarf) )
+
+# Add site-specific substitutions.
+config.substitutions.append( ('%go', config.go_executable) )
+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( ('%python', config.python_executable) )
+
+# OCaml substitutions.
+# Support tests for both native and bytecode builds.
+config.substitutions.append( ('%ocamlc',
+    "%s ocamlc %s" % (config.ocamlfind_executable, config.ocaml_flags)) )
+if config.have_ocamlopt in ('1', 'TRUE'):
+    config.substitutions.append( ('%ocamlopt',
+        "%s ocamlopt %s" % (config.ocamlfind_executable, config.ocaml_flags)) )
+else:
+    config.substitutions.append( ('%ocamlopt', "true" ) )
 
 # 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
@@ -151,128 +211,80 @@ for sub in ['link', 'shlibext', 'ocamlopt', 'llvmshlibdir']:
 # 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 = ['']
-for pattern in [r"\bbugpoint\b(?!-)",   r"(?<!/|-)\bclang\b(?!-)",
-                r"\bgold\b",
-                r"\bllc\b",             r"\blli\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-ld\b",
-                r"\bllvm-link\b",       r"\bllvm-mc\b",
-                r"\bllvm-nm\b",         r"\bllvm-objdump\b",
-                r"\bllvm-prof\b",       r"\bllvm-ranlib\b",
-                r"\bllvm-rtdyld\b",     r"\bllvm-shlib\b",
-                r"\bllvm-size\b",       r"\bllvm-stub\b",
-                # Don't match '-llvmc'.
-                r"(?<!-)\bllvmc\b",     r"\blto\b",
-                                        # Don't match '.opt', '-opt',
-                                        # '^opt' or '/opt'.
-                r"\bmacho-dump\b",      r"(?<!\.|-|\^|/)\bopt\b",
-                r"\bllvm-tblgen\b",     r"\bFileCheck\b",
-                r"\bFileUpdate\b",      r"\bc-index-test\b",
-                r"\bfpcmp\b",           r"\bllvm-PerfectShuffle\b",
+
+# Avoid matching RUN line fragments that are actually part of
+# path names or options or whatever.
+# The regex is a pre-assertion to avoid matching a preceding
+# dot, hyphen, carat, or slash (.foo, -foo, etc.).  Some patterns
+# also have a post-assertion to not match a trailing hyphen (foo-).
+NOJUNK = r"(?<!\.|-|\^|/)"
+
+for pattern in [r"\bbugpoint\b(?!-)",
+                NOJUNK + r"\bllc\b",
+                r"\blli\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-go\b",
+                r"\bllvm-link\b",
+                r"\bllvm-lto\b",
+                r"\bllvm-mc\b",
+                r"\bllvm-mcmarkup\b",
+                r"\bllvm-nm\b",
+                r"\bllvm-objdump\b",
+                r"\bllvm-profdata\b",
+                r"\bllvm-ranlib\b",
+                r"\bllvm-readobj\b",
+                r"\bllvm-rtdyld\b",
+                r"\bllvm-size\b",
+                r"\bllvm-tblgen\b",
+                r"\bllvm-vtabledump\b",
+                r"\bllvm-c-test\b",
+                r"\bmacho-dump\b",
+                NOJUNK + r"\bopt\b",
+                r"\bFileCheck\b",
+                r"\bobj2yaml\b",
+                r"\byaml2obj\b",
+                r"\bverify-uselistorder\b",
                 # Handle these specially as they are strings searched
                 # for during testing.
-                r"\| \bcount\b",         r"\| \bnot\b"]:
+                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*$",
-                          r"\2" + llvm_tools_dir + "/" + r"\4",
+    tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                           pattern)
-    for ext in pathext:
-        substitution_ext = substitution + ext
-        if os.path.exists(substitution_ext):
-             substitution = substitution_ext
-             break
-    config.substitutions.append((pattern, substitution))
-
-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
+    tool_pipe = tool_match.group(2)
+    tool_name = tool_match.group(4)
+    tool_path = lit.util.which(tool_name, llvm_tools_dir)
+    if not tool_path:
+        # Warn, but still provide a substitution.
+        lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
+        tool_path = llvm_tools_dir + '/' + tool_name
+    config.substitutions.append((pattern, tool_pipe + tool_path))
 
-def llvm_supports_darwin_and_target(name):
-    return 'darwin' in config.target_triple and llvm_supports_target(name)
+### Targets
 
-bindings = set([s.strip() for s in site_exp['llvm_bindings'].split(',')])
-def llvm_supports_binding(name):
-    return name.strip() 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
+config.targets = frozenset(config.targets_to_build.split())
 
 ### Features
 
 # Shell execution
-if sys.platform not in ['win32'] or lit.getBashPath() != '':
+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']:
@@ -283,10 +295,100 @@ else:
 if loadable_module:
     config.available_features.add('loadable_module')
 
-# llc knows whether he is compiled with -DNDEBUG.
+# 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")
+if config.llvm_use_sanitizer == "Undefined":
+    config.available_features.add("ubsan")
+else:
+    config.available_features.add("not_ubsan")
+
+# Direct object generation
+# Suppress x86_64-mingw32 while investigating since r219108.
+if not 'hexagon' in config.target_triple and not re.match(r'^x86_64.*-(mingw32|win32)', config.target_triple):
+    config.available_features.add("object-emission")
+
+if config.have_zlib == "1":
+    config.available_features.add("zlib")
+else:
+    config.available_features.add("nozlib")
+
+# Native compilation: host arch == target arch
+# FIXME: Consider cases that target can be executed
+# even if host_triple were different from target_triple.
+if config.host_triple == config.target_triple:
+    config.available_features.add("native")
+
 import subprocess
-llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
-                           stdout = subprocess.PIPE)
-if re.search(r'with assertions', llc_cmd.stdout.read()):
+
+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(['ld', '--help'], stdout = subprocess.PIPE)
+    if not '-plugin' in ld_cmd.stdout.read():
+        return False
+    ld_cmd.wait()
+
+    ld_version = subprocess.Popen(['ld', '--version'], stdout = subprocess.PIPE)
+    if not 'GNU gold' in ld_version.stdout.read():
+        return False
+    ld_version.wait()
+
+    return True
+
+if have_ld_plugin_support():
+    config.available_features.add('ld_plugin')
+
+# Ask llvm-config about assertion mode.
+try:
+    llvm_config_cmd = subprocess.Popen(
+        [os.path.join(llvm_tools_dir, 'llvm-config'), '--assertion-mode'],
+        stdout = subprocess.PIPE,
+        env=config.environment)
+except OSError:
+    print("Could not find llvm-config in " + llvm_tools_dir)
+    exit(42)
+
+if re.search(r'ON', llvm_config_cmd.stdout.read().decode('ascii')):
     config.available_features.add('asserts')
-llc_cmd.wait()
+llvm_config_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()
+
+# .debug_frame is not emitted for targeting Windows x64.
+if not re.match(r'^x86_64.*-(mingw32|win32)', config.target_triple):
+    config.available_features.add('debug_frame')
+
+# 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:
+        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})