src/compiler-rt/test/profile/lit.cfg

   1 # -*- Python -*-
   2
   3 import os
   4
   5 def get_required_attr(config, attr_name):
   6   attr_value = getattr(config, attr_name, None)
   7   if attr_value == None:
   8     lit_config.fatal(
   9       "No attribute %r in test configuration! You may need to run "
  10       "tests from your build directory or add this attribute "
  11       "to lit.site.cfg " % attr_name)
  12   return attr_value
  13
  14 # Setup config name.
  15 config.name = 'Profile-' + config.target_arch
  16
  17 # Setup source root.
  18 config.test_source_root = os.path.dirname(__file__)
  19
  20 # Setup executable root.
  21 if hasattr(config, 'profile_lit_binary_dir') and \
  22         config.profile_lit_binary_dir is not None:
  23     config.test_exec_root = os.path.join(config.profile_lit_binary_dir, config.name)
  24
  25 # If the above check didn't work, we're probably in the source tree.  Use some
  26 # magic to re-execute from the build tree.
  27 if config.test_exec_root is None:
  28     # The magic relies on knowing compilerrt_site_basedir.
  29     compilerrt_basedir = lit_config.params.get('compilerrt_site_basedir', None)
  30     if compilerrt_basedir:
  31         site_cfg = os.path.join(compilerrt_basedir, 'profile', 'lit.site.cfg')
  32         if os.path.exists(site_cfg):
  33             lit_config.load_config(config, site_cfg)
  34             raise SystemExit
  35
  36 if config.host_os in ['Linux']:
  37   extra_link_flags = ["-ldl"]
  38 else:
  39   extra_link_flags = []
  40
  41 # Test suffixes.
  42 config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.ll', '.test']
  43
  44 # What to exclude.
  45 config.excludes = ['Inputs']
  46
  47 # Clang flags.
  48 target_cflags=[get_required_attr(config, "target_cflags")]
  49 clang_cflags = target_cflags + extra_link_flags
  50 clang_cxxflags = config.cxx_mode_flags + clang_cflags
  51
  52 def build_invocation(compile_flags, with_lto = False):
  53   lto_flags = []
  54   lto_prefix = []
  55   if with_lto and config.lto_supported:
  56     lto_flags += config.lto_flags
  57     lto_prefix += config.lto_launch
  58   return " " + " ".join(lto_prefix + [config.clang] + lto_flags + compile_flags) + " "
  59
  60 # Add clang substitutions.
  61 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
  62 config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
  63 config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
  64 config.substitutions.append( ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") )
  65 config.substitutions.append( ("%clang_pgogen ", build_invocation(clang_cflags) + " -fprofile-generate ") )
  66 config.substitutions.append( ("%clang_pgogen=", build_invocation(clang_cflags) + " -fprofile-generate=") )
  67
  68 config.substitutions.append( ("%clangxx_profgen ", build_invocation(clang_cxxflags) + " -fprofile-instr-generate ") )
  69 config.substitutions.append( ("%clangxx_profgen=", build_invocation(clang_cxxflags) + " -fprofile-instr-generate=") )
  70 config.substitutions.append( ("%clangxx_pgogen ", build_invocation(clang_cxxflags) + " -fprofile-generate ") )
  71 config.substitutions.append( ("%clangxx_pgogen=", build_invocation(clang_cxxflags) + " -fprofile-generate=") )
  72
  73 config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
  74 config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
  75
  76 config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
  77 config.substitutions.append( ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") )
  78
  79 config.substitutions.append( ("%clang_lto_profgen=", build_invocation(clang_cflags, True) + " -fprofile-instr-generate=") )
  80
  81 if config.host_os not in ['Darwin', 'FreeBSD', 'Linux']:
  82   config.unsupported = True
  83
  84 if config.target_arch in ['armv7l']:
  85   config.unsupported = True