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859dccec1f
More updating of tests to be explicit about the target triple rather than relying on the default target triple supporting ARM mode. Indicate to lit that object emission is not yet available for Windows on ARM. llvm-svn: 205545
355 lines
13 KiB
Python
355 lines
13 KiB
Python
# -*- Python -*-
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# Configuration file for the 'lit' test runner.
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import os
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import sys
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import re
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import platform
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import lit.util
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import lit.formats
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# name: The name of this test suite.
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config.name = 'LLVM'
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# Tweak PATH for Win32 to decide to use bash.exe or not.
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if sys.platform in ['win32']:
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# Seek sane tools in directories and set to $PATH.
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path = getattr(config, 'lit_tools_dir', None)
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path = lit_config.getToolsPath(path,
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config.environment['PATH'],
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['cmp.exe', 'grep.exe', 'sed.exe'])
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if path is not None:
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path = os.path.pathsep.join((path,
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config.environment['PATH']))
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config.environment['PATH'] = path
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# Choose between lit's internal shell pipeline runner and a real shell. If
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# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
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use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
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if use_lit_shell:
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# 0 is external, "" is default, and everything else is internal.
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execute_external = (use_lit_shell == "0")
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else:
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# Otherwise we default to internal on Windows and external elsewhere, as
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# bash on Windows is usually very slow.
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execute_external = (not sys.platform in ['win32'])
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# testFormat: The test format to use to interpret tests.
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config.test_format = lit.formats.ShTest(execute_external)
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# suffixes: A list of file extensions to treat as test files. This is overriden
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# by individual lit.local.cfg files in the test subdirectories.
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config.suffixes = ['.ll', '.c', '.cpp', '.test', '.txt', '.s']
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# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
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# subdirectories contain auxiliary inputs for various tests in their parent
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# directories.
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config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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if llvm_obj_root is not None:
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config.test_exec_root = os.path.join(llvm_obj_root, 'test')
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# Tweak the PATH to include the tools dir.
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if llvm_obj_root is not None:
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llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
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if not llvm_tools_dir:
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lit_config.fatal('No LLVM tools dir set!')
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path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
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config.environment['PATH'] = path
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# Propagate 'HOME' through the environment.
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if 'HOME' in os.environ:
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config.environment['HOME'] = os.environ['HOME']
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# Propagate 'INCLUDE' through the environment.
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if 'INCLUDE' in os.environ:
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config.environment['INCLUDE'] = os.environ['INCLUDE']
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# Propagate 'LIB' through the environment.
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if 'LIB' in os.environ:
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config.environment['LIB'] = os.environ['LIB']
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# Propagate the temp directory. Windows requires this because it uses \Windows\
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# if none of these are present.
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if 'TMP' in os.environ:
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config.environment['TMP'] = os.environ['TMP']
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if 'TEMP' in os.environ:
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config.environment['TEMP'] = os.environ['TEMP']
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# Propagate LLVM_SRC_ROOT into the environment.
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config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
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# Propagate PYTHON_EXECUTABLE into the environment
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config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
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'')
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# Propagate path to symbolizer for ASan/MSan.
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for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
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if symbolizer in os.environ:
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config.environment[symbolizer] = os.environ[symbolizer]
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###
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import os
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Check for 'llvm_site_config' user parameter, and use that if available.
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site_cfg = lit_config.params.get('llvm_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system
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# though, and I decided it was too much magic.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit_config.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
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llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
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# Validate that we got a tree which points to here.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
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lit_config.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit_config.fatal('No site specific configuration available!')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit_config.note('using out-of-tree build at %r' % llvm_obj_root)
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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###
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# Provide a command line for mcjit tests
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lli_mcjit = 'lli -use-mcjit'
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# The target triple used by default by lli is the process target triple (some
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# triple appropriate for generating code for the current process) but because
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# we don't support COFF in MCJIT well enough for the tests, force ELF format on
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# Windows. FIXME: the process target triple should be used here, but this is
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# difficult to obtain on Windows.
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if re.search(r'cygwin|mingw32|win32', config.host_triple):
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lli_mcjit += ' -mtriple='+config.host_triple+'-elf'
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config.substitutions.append( ('%lli_mcjit', lli_mcjit) )
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# Similarly, have a macro to use llc with DWARF even when the host is win32.
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llc_dwarf = 'llc'
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if re.search(r'win32', config.target_triple):
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llc_dwarf += ' -mtriple='+config.target_triple.replace('-win32', '-mingw32')
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config.substitutions.append( ('%llc_dwarf', llc_dwarf) )
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# Provide a substition for those tests that need to run the jit to obtain data
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# but simply want use the currently considered most reliable jit for platform
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# FIXME: ppc32 is not ready for mcjit.
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if 'arm' in config.target_triple \
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or 'aarch64' in config.target_triple \
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or 'powerpc64' in config.target_triple \
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or 's390x' in config.target_triple:
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defaultIsMCJIT = 'true'
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else:
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defaultIsMCJIT = 'false'
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config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) )
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# Process jit implementation option
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jit_impl_cfg = lit_config.params.get('jit_impl', None)
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if jit_impl_cfg == 'mcjit':
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# When running with mcjit, mangle -mcjit into target triple
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# and add -use-mcjit flag to lli invocation
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if 'i386' in config.target_triple or 'i686' in config.target_triple:
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config.target_triple += jit_impl_cfg + '-ia32'
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elif 'x86_64' in config.target_triple:
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config.target_triple += jit_impl_cfg + '-ia64'
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else:
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config.target_triple += jit_impl_cfg
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config.substitutions.append( ('%lli', 'lli -use-mcjit') )
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else:
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config.substitutions.append( ('%lli', 'lli') )
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# Add site-specific substitutions.
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config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
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config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
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config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
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config.substitutions.append( ('%exeext', config.llvm_exe_ext) )
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# For each occurrence of an llvm tool name as its own word, replace it
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# with the full path to the build directory holding that tool. This
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# ensures that we are testing the tools just built and not some random
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# tools that might happen to be in the user's PATH. Thus this list
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# includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
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# (llvm_tools_dir in lit parlance).
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# Avoid matching RUN line fragments that are actually part of
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# path names or options or whatever.
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# The regex is a pre-assertion to avoid matching a preceding
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# dot, hyphen, carat, or slash (.foo, -foo, etc.). Some patterns
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# also have a post-assertion to not match a trailing hyphen (foo-).
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NOJUNK = r"(?<!\.|-|\^|/)"
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for pattern in [r"\bbugpoint\b(?!-)",
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NOJUNK + r"\bclang\b(?!-)",
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NOJUNK + r"\bllc\b",
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r"\blli\b",
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r"\bllvm-PerfectShuffle\b",
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r"\bllvm-ar\b",
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r"\bllvm-as\b",
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r"\bllvm-bcanalyzer\b",
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r"\bllvm-config\b",
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r"\bllvm-cov\b",
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r"\bllvm-diff\b",
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r"\bllvm-dis\b",
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r"\bllvm-dwarfdump\b",
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r"\bllvm-extract\b",
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r"\bllvm-link\b",
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r"\bllvm-lto\b",
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r"\bllvm-mc\b",
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r"\bllvm-mcmarkup\b",
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r"\bllvm-nm\b",
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r"\bllvm-objdump\b",
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r"\bllvm-profdata\b",
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r"\bllvm-ranlib\b",
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r"\bllvm-readobj\b",
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r"\bllvm-rtdyld\b",
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r"\bllvm-size\b",
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r"\bllvm-tblgen\b",
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r"\bllvm-c-test\b",
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r"\bmacho-dump\b",
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NOJUNK + r"\bopt\b",
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r"\bFileCheck\b",
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r"\bFileUpdate\b",
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r"\bc-index-test\b",
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r"\bfpcmp\b",
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r"\bobj2yaml\b",
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r"\byaml2obj\b",
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# Handle these specially as they are strings searched
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# for during testing.
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r"\| \bcount\b",
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r"\| \bnot\b"]:
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# Extract the tool name from the pattern. This relies on the tool
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# name being surrounded by \b word match operators. If the
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# pattern starts with "| ", include it in the string to be
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# substituted.
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tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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pattern)
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tool_pipe = tool_match.group(2)
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tool_name = tool_match.group(4)
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tool_path = lit.util.which(tool_name, llvm_tools_dir)
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if not tool_path:
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# Warn, but still provide a substitution.
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lit_config.note('Did not find ' + tool_name + ' in ' + llvm_tools_dir)
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tool_path = llvm_tools_dir + '/' + tool_name
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config.substitutions.append((pattern, tool_pipe + tool_path))
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### Features
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# Shell execution
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if execute_external:
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config.available_features.add('shell')
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# Others/can-execute.txt
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if sys.platform not in ['win32']:
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config.available_features.add('can-execute')
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# Loadable module
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# FIXME: This should be supplied by Makefile or autoconf.
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if sys.platform in ['win32', 'cygwin']:
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loadable_module = (config.enable_shared == 1)
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else:
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loadable_module = True
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if loadable_module:
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config.available_features.add('loadable_module')
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# Sanitizers.
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if config.llvm_use_sanitizer == "Address":
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config.available_features.add("asan")
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if (config.llvm_use_sanitizer == "Memory" or
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config.llvm_use_sanitizer == "MemoryWithOrigins"):
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config.available_features.add("msan")
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# Direct object generation
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if not 'hexagon' in config.target_triple and \
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not re.match('(arm|thumb).*windows', config.target_triple):
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config.available_features.add("object-emission")
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if config.have_zlib == "1":
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config.available_features.add("zlib")
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else:
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config.available_features.add("nozlib")
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# Native compilation: host arch == target arch
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# FIXME: Consider cases that target can be executed
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# even if host_triple were different from target_triple.
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if config.host_triple == config.target_triple:
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config.available_features.add("native")
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# Ask llvm-config about assertion mode.
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import subprocess
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try:
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llvm_config_cmd = subprocess.Popen(
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[os.path.join(llvm_tools_dir, 'llvm-config'), '--assertion-mode'],
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stdout = subprocess.PIPE)
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except OSError:
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print("Could not find llvm-config in " + llvm_tools_dir)
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exit(42)
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if re.search(r'ON', llvm_config_cmd.stdout.read().decode('ascii')):
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config.available_features.add('asserts')
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llvm_config_cmd.wait()
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if 'darwin' == sys.platform:
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try:
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sysctl_cmd = subprocess.Popen(['sysctl', 'hw.optional.fma'],
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stdout = subprocess.PIPE)
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except OSError:
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print("Could not exec sysctl")
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result = sysctl_cmd.stdout.read().decode('ascii')
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if -1 != result.find("hw.optional.fma: 1"):
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config.available_features.add('fma3')
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sysctl_cmd.wait()
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# Check if we should use gmalloc.
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use_gmalloc_str = lit_config.params.get('use_gmalloc', None)
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if use_gmalloc_str is not None:
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if use_gmalloc_str.lower() in ('1', 'true'):
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use_gmalloc = True
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elif use_gmalloc_str.lower() in ('', '0', 'false'):
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use_gmalloc = False
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else:
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lit_config.fatal('user parameter use_gmalloc should be 0 or 1')
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else:
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# Default to not using gmalloc
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use_gmalloc = False
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# Allow use of an explicit path for gmalloc library.
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# Will default to '/usr/lib/libgmalloc.dylib' if not set.
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gmalloc_path_str = lit_config.params.get('gmalloc_path',
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'/usr/lib/libgmalloc.dylib')
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if use_gmalloc:
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config.environment.update({'DYLD_INSERT_LIBRARIES' : gmalloc_path_str})
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