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# -*- Python -*-
import os
import platform
import re
import subprocess
import sys
import lit.formats
import lit.util
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
from lit.llvm.subst import FindTool
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'Flang'
# testFormat: The test format to use to interpret tests.
#
# For now we require '&&' between commands, until they get globally killed and
# the test runner updated.
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.c', '.cpp', '.f', '.F', '.ff', '.FOR', '.for', '.f77', '.f90', '.F90',
'.ff90', '.f95', '.F95', '.ff95', '.fpp', '.FPP', '.cuf'
'.CUF', '.f18', '.F18', '.f03', '.F03', '.f08', '.F08',
'.ll', '.fir', '.mlir']
config.substitutions.append(('%PATH%', config.environment['PATH']))
config.substitutions.append(('%llvmshlibdir', config.llvm_shlib_dir))
config.substitutions.append(('%pluginext', config.llvm_plugin_ext))
llvm_config.use_default_substitutions()
# ask llvm-config about asserts
llvm_config.feature_config(
[('--assertion-mode', {'ON': 'asserts'})])
# Targets
config.targets = frozenset(config.targets_to_build.split())
for arch in config.targets_to_build.split():
config.available_features.add(arch.lower() + '-registered-target')
# To modify the default target triple for flang tests.
if config.flang_test_triple:
config.target_triple = config.flang_test_triple
config.environment[config.llvm_target_triple_env] = config.flang_test_triple
# 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']
# If the flang examples are built, add examples to the config
if config.flang_examples:
config.available_features.add('examples')
# Plugins (loadable modules)
if config.has_plugins:
config.available_features.add('plugins')
if config.linked_bye_extension:
config.substitutions.append(('%loadbye', ''))
else:
config.substitutions.append(('%loadbye',
'-fpass-plugin={}/Bye{}'.format(config.llvm_shlib_dir,
config.llvm_plugin_ext)))
# 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.
config.test_exec_root = os.path.join(config.flang_obj_root, 'test')
# Tweak the PATH to include the tools dir.
llvm_config.with_environment('PATH', config.flang_tools_dir, append_path=True)
llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
if config.flang_standalone_build:
# For builds with FIR, set path for tco and enable related tests
if config.flang_llvm_tools_dir != "":
config.available_features.add('fir')
if config.llvm_tools_dir != config.flang_llvm_tools_dir:
llvm_config.with_environment('PATH', config.flang_llvm_tools_dir, append_path=True)
# For each occurrence of a flang tool name, replace it with the full path to
# the build directory holding that tool.
tools = [
ToolSubst('%flang', command=FindTool('flang-new'), unresolved='fatal'),
ToolSubst('%flang_fc1', command=FindTool('flang-new'), extra_args=['-fc1'],
unresolved='fatal')]
# Flang has several unimplemented features. TODO messages are used to mark
# and fail if these features are exercised. Some TODOs exit with a non-zero
# exit code, but others abort the execution in assert builds.
# To catch aborts, the `--crash` option for the `not` command has to be used.
tools.append(ToolSubst('%not_todo_cmd', command=FindTool('not'), unresolved='fatal'))
if 'asserts' in config.available_features:
tools.append(ToolSubst('%not_todo_abort_cmd', command=FindTool('not'),
extra_args=['--crash'], unresolved='fatal'))
else:
tools.append(ToolSubst('%not_todo_abort_cmd', command=FindTool('not'),
unresolved='fatal'))
# Define some variables to help us test that the flang runtime doesn't depend on
# the C++ runtime libraries. For this we need a C compiler. If for some reason
# we don't have one, we can just disable the test.
if config.cc:
libruntime = os.path.join(config.flang_lib_dir, 'libFortranRuntime.a')
libdecimal = os.path.join(config.flang_lib_dir, 'libFortranDecimal.a')
include = os.path.join(config.flang_src_dir, 'include')
if os.path.isfile(libruntime) and os.path.isfile(libdecimal) and os.path.isdir(include):
config.available_features.add('c-compiler')
tools.append(ToolSubst('%cc', command=config.cc, unresolved='fatal'))
tools.append(ToolSubst('%libruntime', command=libruntime,
unresolved='fatal'))
tools.append(ToolSubst('%libdecimal', command=libdecimal,
unresolved='fatal'))
tools.append(ToolSubst('%include', command=include,
unresolved='fatal'))
# Add all the tools and their substitutions (if applicable). Use the search paths provided for
# finding the tools.
if config.flang_standalone_build:
llvm_config.add_tool_substitutions(tools, [config.flang_llvm_tools_dir, config.llvm_tools_dir])
else:
llvm_config.add_tool_substitutions(tools, config.llvm_tools_dir)
# Enable libpgmath testing
result = lit_config.params.get("LIBPGMATH")
if result:
config.environment["LIBPGMATH"] = True
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