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      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_linkflags = ["-ldl"]
     38 else:
     39   extra_linkflags = []
     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_linkflags
     50 clang_cxxflags = config.cxx_mode_flags + clang_cflags
     51 
     52 def build_invocation(compile_flags):
     53   return " " + " ".join([config.clang] + compile_flags) + " "
     54 
     55 # Add clang substitutions.
     56 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
     57 config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
     58 config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
     59 config.substitutions.append( ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") )
     60 config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
     61 config.substitutions.append( ("%clangxx_profgen ", build_invocation(clang_cxxflags) + " -fprofile-instr-generate ") )
     62 config.substitutions.append( ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") )
     63 config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
     64 config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
     65 
     66 if config.host_os not in ['Darwin', 'FreeBSD', 'Linux']:
     67   config.unsupported = True
     68 
     69 if config.target_arch in ['armv7l']:
     70   config.unsupported = True
     71