# 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 = []
+config.suffixes = ['.ll', '.c', '.cxx', '.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']
+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__)
if symbolizer in os.environ:
config.environment[symbolizer] = os.environ[symbolizer]
+# Set up OCAMLPATH to include newly built OCaml libraries.
+llvm_lib_dir = getattr(config, 'llvm_lib_dir', None)
+if llvm_lib_dir is None:
+ if llvm_obj_root is not None:
+ llvm_lib_dir = os.path.join(llvm_obj_root, 'lib')
+
+if llvm_lib_dir is not None:
+ llvm_ocaml_lib = os.path.join(llvm_lib_dir, 'ocaml')
+ if llvm_ocaml_lib is not None:
+ 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'] = llvm_ocaml_lib
+
+# Set up OCAMLRUNPARAM to enable backtraces in OCaml tests.
+config.environment['OCAMLRUNPARAM'] = 'b'
+
###
import os
###
-# Provide a command line for mcjit tests
-lli_mcjit = 'lli -use-mcjit'
+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_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 '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') )
+if re.search(r'cygwin|mingw32|windows-gnu|windows-msvc|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( ('%ocamlopt', config.ocamlopt_executable) )
+config.substitutions.append( ('%gold', config.gold_executable) )
+config.substitutions.append( ('%ld64', config.ld64_executable) )
+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 -cclib -L%s %s" %
+ (config.ocamlfind_executable, llvm_lib_dir, config.ocaml_flags)) )
+if config.have_ocamlopt in ('1', 'TRUE'):
+ config.substitutions.append( ('%ocamlopt',
+ "%s ocamlopt -cclib -L%s -cclib -Wl,-rpath,%s %s" %
+ (config.ocamlfind_executable, llvm_lib_dir, llvm_lib_dir, 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
# 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-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-mc\b",
- r"\bllvm-nm\b", r"\bllvm-objdump\b",
- r"\bllvm-prof\b", r"\bllvm-size\b",
- r"\bllvm-rtdyld\b", r"\bllvm-shlib\b",
- # Match llvmc but not -llvmc
- NOHYPHEN + 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",
- # Handle these specially as they are strings searched
- # for during testing.
- r"\| \bcount\b", r"\| \bnot\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"(?<!\.|-|\^|/)"
+
+
+def find_tool_substitution(pattern):
# 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))
+ tool_pipe = tool_match.group(2)
+ tool_name = tool_match.group(4)
+ # Did the user specify the tool path + arguments? This allows things like
+ # llvm-lit "-Dllc=llc -enable-misched -verify-machineinstrs"
+ tool_path = lit_config.params.get(tool_name)
+ if tool_path is None:
+ tool_path = lit.util.which(tool_name, llvm_tools_dir)
+ if tool_path is None:
+ return tool_name, tool_path, tool_pipe
+ if (tool_name == "llc" and
+ 'LLVM_ENABLE_MACHINE_VERIFIER' in os.environ and
+ os.environ['LLVM_ENABLE_MACHINE_VERIFIER'] == "1"):
+ tool_path += " -verify-machineinstrs"
+ if (tool_name == "llvm-go"):
+ tool_path += " go=" + config.go_executable
+ return tool_name, tool_path, tool_pipe
+
+
+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-cxxdump\b",
+ r"\bllvm-diff\b",
+ r"\bllvm-dis\b",
+ r"\bllvm-dsymutil\b",
+ r"\bllvm-dwarfdump\b",
+ r"\bllvm-extract\b",
+ r"\bllvm-lib\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-split\b",
+ r"\bllvm-tblgen\b",
+ r"\bllvm-c-test\b",
+ NOJUNK + r"\bopt\b",
+ r"\bFileCheck\b",
+ r"\bobj2yaml\b",
+ NOJUNK + r"\bsancov\b",
+ r"\byaml2obj\b",
+ r"\byaml-bench\b",
+ r"\bverify-uselistorder\b",
+ # Handle these specially as they are strings searched
+ # for during testing.
+ r"\| \bcount\b",
+ r"\| \bnot\b"]:
+ tool_name, tool_path, tool_pipe = find_tool_substitution(pattern)
+ 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))
+
+# For tools that are optional depending on the config, we won't warn
+# if they're missing.
+for pattern in [r"\bllvm-go\b",
+ r"\bKaleidoscope-Ch3\b",
+ r"\bKaleidoscope-Ch4\b",
+ r"\bKaleidoscope-Ch5\b",
+ r"\bKaleidoscope-Ch6\b",
+ r"\bKaleidoscope-Ch7\b",
+ r"\bKaleidoscope-Ch8\b"]:
+ tool_name, tool_path, tool_pipe = find_tool_substitution(pattern)
+ if not tool_path:
+ # Provide a substitution anyway, for the sake of consistent errors.
+ tool_path = llvm_tools_dir + '/' + tool_name
+ config.substitutions.append((pattern, tool_pipe + tool_path))
+
+
+### Targets
+
+config.targets = frozenset(config.targets_to_build.split())
### Features
if (config.llvm_use_sanitizer == "Memory" or
config.llvm_use_sanitizer == "MemoryWithOrigins"):
config.available_features.add("msan")
+else:
+ config.available_features.add("not_msan")
+if config.llvm_use_sanitizer == "Undefined":
+ config.available_features.add("ubsan")
+else:
+ config.available_features.add("not_ubsan")
+
+# Check if we should run long running tests.
+if lit_config.params.get("run_long_tests", None) == "true":
+ config.available_features.add("long_tests")
# Direct object generation
if not 'hexagon' in config.target_triple:
if config.have_zlib == "1":
config.available_features.add("zlib")
+else:
+ config.available_features.add("nozlib")
+
+# LLVM can be configured with an empty default triple
+# Some tests are "generic" and require a valid default triple
+if config.target_triple:
+ config.available_features.add("default_triple")
+ if re.match(r'^x86_64.*-linux', config.target_triple):
+ config.available_features.add("x86_64-linux")
+
+# Native compilation: host arch == default triple 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")
-# llc knows whether he is compiled with -DNDEBUG.
import subprocess
+
+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([config.gold_executable, '--help'], stdout = subprocess.PIPE, env={'LANG': 'C'})
+ ld_out = ld_cmd.stdout.read().decode()
+ ld_cmd.wait()
+
+ if not '-plugin' in ld_out:
+ return False
+
+ # check that the used emulations are supported.
+ emu_line = [l for l in ld_out.split('\n') if 'supported emulations' in l]
+ if len(emu_line) != 1:
+ return False
+ emu_line = emu_line[0]
+ fields = emu_line.split(':')
+ if len(fields) != 3:
+ return False
+ emulations = fields[2].split()
+ if 'elf_x86_64' not in emulations:
+ return False
+ if 'elf32ppc' in emulations:
+ config.available_features.add('ld_emu_elf32ppc')
+
+ ld_version = subprocess.Popen([config.gold_executable, '--version'], stdout = subprocess.PIPE, env={'LANG': 'C'})
+ if not 'GNU gold' in ld_version.stdout.read().decode():
+ return False
+ ld_version.wait()
+
+ return True
+
+if have_ld_plugin_support():
+ config.available_features.add('ld_plugin')
+
+def have_ld64_plugin_support():
+ if config.ld64_executable == '':
+ return False
+
+ ld_cmd = subprocess.Popen([config.ld64_executable, '-v'], stderr = subprocess.PIPE)
+ ld_out = ld_cmd.stderr.read().decode()
+ ld_cmd.wait()
+
+ if 'ld64' not in ld_out or 'LTO' not in ld_out:
+ return False
+
+ return True
+
+if have_ld64_plugin_support():
+ config.available_features.add('ld64_plugin')
+
+# Ask llvm-config about assertion mode.
try:
- llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
- stdout = subprocess.PIPE)
+ 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 llc in " + llvm_tools_dir)
+ print("Could not find llvm-config in " + llvm_tools_dir)
exit(42)
-if re.search(r'with assertions', llc_cmd.stdout.read().decode('ascii')):
+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()
+
+if platform.system() in ['Windows'] and re.match(r'.*-win32$', config.target_triple):
+ # For tests that require Windows to run.
+ config.available_features.add('system-windows')
+
+# .debug_frame is not emitted for targeting Windows x64.
+if not re.match(r'^x86_64.*-(mingw32|windows-gnu|win32)', config.target_triple):
+ config.available_features.add('debug_frame')
+
+# Check if we are embedding timestamps.
+if config.enable_timestamps == '1':
+ config.available_features.add('timestamps')
# Check if we should use gmalloc.
use_gmalloc_str = lit_config.params.get('use_gmalloc', None)
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