flang/test/lit.cfg.py

   1 # -*- Python -*-
   2
   3 import os
   4 import platform
   5 import re
   6 import subprocess
   7 import sys
   8
   9 import lit.formats
  10 import lit.util
  11
  12 from lit.llvm import llvm_config
  13 from lit.llvm.subst import ToolSubst
  14 from lit.llvm.subst import FindTool
  15
  16 # Configuration file for the 'lit' test runner.
  17
  18 # name: The name of this test suite.
  19 config.name = 'Flang'
  20
  21 # testFormat: The test format to use to interpret tests.
  22 #
  23 # For now we require '&&' between commands, until they get globally killed and
  24 # the test runner updated.
  25 config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
  26
  27 # suffixes: A list of file extensions to treat as test files.
  28 config.suffixes = ['.c', '.cpp', '.f', '.F', '.ff', '.FOR', '.for', '.f77', '.f90', '.F90',
  29                    '.ff90', '.f95', '.F95', '.ff95', '.fpp', '.FPP', '.cuf'
  30                    '.CUF', '.f18', '.F18', '.f03', '.F03', '.f08', '.F08',
  31                    '.ll', '.fir', '.mlir']
  32
  33 config.substitutions.append(('%PATH%', config.environment['PATH']))
  34 config.substitutions.append(('%llvmshlibdir', config.llvm_shlib_dir))
  35 config.substitutions.append(('%pluginext', config.llvm_plugin_ext))
  36
  37 llvm_config.use_default_substitutions()
  38
  39 # ask llvm-config about asserts
  40 llvm_config.feature_config(
  41     [('--assertion-mode', {'ON': 'asserts'})])
  42
  43 # Targets
  44 config.targets = frozenset(config.targets_to_build.split())
  45 for arch in config.targets_to_build.split():
  46     config.available_features.add(arch.lower() + '-registered-target')
  47
  48 # To modify the default target triple for flang tests.
  49 if config.flang_test_triple:
  50     config.target_triple = config.flang_test_triple
  51     config.environment[config.llvm_target_triple_env] = config.flang_test_triple
  52
  53 # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
  54 # subdirectories contain auxiliary inputs for various tests in their parent
  55 # directories.
  56 config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
  57
  58 # If the flang examples are built, add examples to the config
  59 if config.flang_examples:
  60     config.available_features.add('examples')
  61
  62 # Plugins (loadable modules)
  63 if config.has_plugins:
  64     config.available_features.add('plugins')
  65
  66 if config.linked_bye_extension:
  67     config.substitutions.append(('%loadbye', ''))
  68 else:
  69     config.substitutions.append(('%loadbye',
  70                                  '-fpass-plugin={}/Bye{}'.format(config.llvm_shlib_dir,
  71                                                                  config.llvm_plugin_ext)))
  72
  73 # test_source_root: The root path where tests are located.
  74 config.test_source_root = os.path.dirname(__file__)
  75
  76 # test_exec_root: The root path where tests should be run.
  77 config.test_exec_root = os.path.join(config.flang_obj_root, 'test')
  78
  79 # Tweak the PATH to include the tools dir.
  80 llvm_config.with_environment('PATH', config.flang_tools_dir, append_path=True)
  81 llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
  82
  83 if config.flang_standalone_build:
  84     # For builds with FIR, set path for tco and enable related tests
  85     if config.flang_llvm_tools_dir != "":
  86         config.available_features.add('fir')
  87         if config.llvm_tools_dir != config.flang_llvm_tools_dir:
  88             llvm_config.with_environment('PATH', config.flang_llvm_tools_dir, append_path=True)
  89
  90 # For each occurrence of a flang tool name, replace it with the full path to
  91 # the build directory holding that tool.
  92 tools = [
  93         ToolSubst('%flang', command=FindTool('flang-new'), unresolved='fatal'),
  94     ToolSubst('%flang_fc1', command=FindTool('flang-new'), extra_args=['-fc1'],
  95         unresolved='fatal')]
  96
  97 # Flang has several unimplemented features. TODO messages are used to mark
  98 # and fail if these features are exercised. Some TODOs exit with a non-zero
  99 # exit code, but others abort the execution in assert builds.
 100 # To catch aborts, the `--crash` option for the `not` command has to be used.
 101 tools.append(ToolSubst('%not_todo_cmd', command=FindTool('not'), unresolved='fatal'))
 102 if 'asserts' in config.available_features:
 103     tools.append(ToolSubst('%not_todo_abort_cmd', command=FindTool('not'),
 104         extra_args=['--crash'], unresolved='fatal'))
 105 else:
 106     tools.append(ToolSubst('%not_todo_abort_cmd', command=FindTool('not'),
 107         unresolved='fatal'))
 108
 109 # Define some variables to help us test that the flang runtime doesn't depend on
 110 # the C++ runtime libraries. For this we need a C compiler. If for some reason
 111 # we don't have one, we can just disable the test.
 112 if config.cc:
 113     libruntime = os.path.join(config.flang_lib_dir, 'libFortranRuntime.a')
 114     libdecimal = os.path.join(config.flang_lib_dir, 'libFortranDecimal.a')
 115     include = os.path.join(config.flang_src_dir, 'include')
 116
 117     if os.path.isfile(libruntime) and os.path.isfile(libdecimal) and os.path.isdir(include):
 118         config.available_features.add('c-compiler')
 119         tools.append(ToolSubst('%cc', command=config.cc, unresolved='fatal'))
 120         tools.append(ToolSubst('%libruntime', command=libruntime,
 121             unresolved='fatal'))
 122         tools.append(ToolSubst('%libdecimal', command=libdecimal,
 123             unresolved='fatal'))
 124         tools.append(ToolSubst('%include', command=include,
 125             unresolved='fatal'))
 126
 127 # Add all the tools and their substitutions (if applicable). Use the search paths provided for
 128 # finding the tools.
 129 if config.flang_standalone_build:
 130     llvm_config.add_tool_substitutions(tools, [config.flang_llvm_tools_dir, config.llvm_tools_dir])
 131 else:
 132     llvm_config.add_tool_substitutions(tools, config.llvm_tools_dir)
 133
 134 # Enable libpgmath testing
 135 result = lit_config.params.get("LIBPGMATH")
 136 if result:
 137     config.environment["LIBPGMATH"] = True