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', '.fir', '.f03', '.F03', '.f08', '.F08']
  31
  32 config.substitutions.append(('%PATH%', config.environment['PATH']))
  33 config.substitutions.append(('%llvmshlibdir', config.llvm_shlib_dir))
  34 config.substitutions.append(('%pluginext', config.llvm_plugin_ext))
  35
  36 llvm_config.use_default_substitutions()
  37
  38 # ask llvm-config about asserts
  39 llvm_config.feature_config(
  40     [('--assertion-mode', {'ON': 'asserts'})])
  41
  42 # Targets
  43 config.targets = frozenset(config.targets_to_build.split())
  44 for arch in config.targets_to_build.split():
  45     config.available_features.add(arch.lower() + '-registered-target')
  46
  47 # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
  48 # subdirectories contain auxiliary inputs for various tests in their parent
  49 # directories.
  50 config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
  51
  52 # If the flang examples are built, add examples to the config
  53 if config.flang_examples:
  54     config.available_features.add('examples')
  55
  56 # Plugins (loadable modules)
  57 if config.has_plugins:
  58     config.available_features.add('plugins')
  59
  60 # test_source_root: The root path where tests are located.
  61 config.test_source_root = os.path.dirname(__file__)
  62
  63 # test_exec_root: The root path where tests should be run.
  64 config.test_exec_root = os.path.join(config.flang_obj_root, 'test')
  65
  66 # Tweak the PATH to include the tools dir.
  67 llvm_config.with_environment('PATH', config.flang_tools_dir, append_path=True)
  68 llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
  69
  70 if config.flang_standalone_build:
  71     # For builds with FIR, set path for tco and enable related tests
  72     if config.flang_llvm_tools_dir != "":
  73         config.available_features.add('fir')
  74         if config.llvm_tools_dir != config.flang_llvm_tools_dir:
  75             llvm_config.with_environment('PATH', config.flang_llvm_tools_dir, append_path=True)
  76
  77 # For each occurrence of a flang tool name, replace it with the full path to
  78 # the build directory holding that tool.
  79 tools = [
  80         ToolSubst('%flang', command=FindTool('flang-new'), unresolved='fatal'),
  81     ToolSubst('%flang_fc1', command=FindTool('flang-new'), extra_args=['-fc1'],
  82         unresolved='fatal')]
  83
  84 # Flang has several unimplemented features. TODO messages are used to mark and fail if these
  85 # features are exercised. TODOs exit with an error in non-assert builds but in assert builds
  86 # it aborts. To catch aborts, the `--crash` option for the `not` command has to be used.
  87 if 'asserts' in config.available_features:
  88     tools.append(ToolSubst('%not_todo_cmd', command=FindTool('not'), extra_args=['--crash'],
  89         unresolved='fatal'))
  90 else:
  91     tools.append(ToolSubst('%not_todo_cmd', command=FindTool('not'), unresolved='fatal'))
  92
  93 # Define some variables to help us test that the flang runtime doesn't depend on
  94 # the C++ runtime libraries. For this we need a C compiler. If for some reason
  95 # we don't have one, we can just disable the test.
  96 if config.cc:
  97     libruntime = os.path.join(config.flang_lib_dir, 'libFortranRuntime.a')
  98     libdecimal = os.path.join(config.flang_lib_dir, 'libFortranDecimal.a')
  99     include = os.path.join(config.flang_src_dir, 'include')
 100
 101     if os.path.isfile(libruntime) and os.path.isfile(libdecimal) and os.path.isdir(include):
 102         config.available_features.add('c-compiler')
 103         tools.append(ToolSubst('%cc', command=config.cc, unresolved='fatal'))
 104         tools.append(ToolSubst('%libruntime', command=libruntime,
 105             unresolved='fatal'))
 106         tools.append(ToolSubst('%libdecimal', command=libdecimal,
 107             unresolved='fatal'))
 108         tools.append(ToolSubst('%include', command=include,
 109             unresolved='fatal'))
 110
 111 # Add all the tools and their substitutions (if applicable). Use the search paths provided for
 112 # finding the tools.
 113 if config.flang_standalone_build:
 114     llvm_config.add_tool_substitutions(tools, [config.flang_llvm_tools_dir, config.llvm_tools_dir])
 115 else:
 116     llvm_config.add_tool_substitutions(tools, config.llvm_tools_dir)
 117
 118 # Enable libpgmath testing
 119 result = lit_config.params.get("LIBPGMATH")
 120 if result:
 121     config.environment["LIBPGMATH"] = True