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      1 # -*- Python -*-
      2 
      3 import os
      4 
      5 # Setup config name.
      6 config.name = 'Profile'
      7 
      8 # Setup source root.
      9 config.test_source_root = os.path.dirname(__file__)
     10 
     11 # Setup executable root.
     12 if hasattr(config, 'profile_lit_binary_dir') and \
     13         config.profile_lit_binary_dir is not None:
     14     config.test_exec_root = config.profile_lit_binary_dir
     15 
     16 # If the above check didn't work, we're probably in the source tree.  Use some
     17 # magic to re-execute from the build tree.
     18 if config.test_exec_root is None:
     19     # The magic relies on knowing compilerrt_site_basedir.
     20     compilerrt_basedir = lit_config.params.get('compilerrt_site_basedir', None)
     21     if compilerrt_basedir:
     22         site_cfg = os.path.join(compilerrt_basedir, 'profile', 'lit.site.cfg')
     23         if os.path.exists(site_cfg):
     24             lit_config.load_config(config, site_cfg)
     25             raise SystemExit
     26 
     27 if config.host_os in ['Linux']:
     28   extra_linkflags = ["-ldl"]
     29 else:
     30   extra_linkflags = []
     31 
     32 # Test suffixes.
     33 config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.ll', '.test']
     34 
     35 # What to exclude.
     36 config.excludes = ['Inputs']
     37 
     38 # Clang flags.
     39 clang_cflags = [config.target_cflags] + extra_linkflags
     40 
     41 def build_invocation(compile_flags):
     42   return " " + " ".join([config.clang] + compile_flags) + " "
     43 
     44 # Add clang substitutions.
     45 config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
     46 config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
     47 config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
     48 config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
     49 config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
     50 
     51 if config.host_os not in ['Darwin', 'FreeBSD', 'Linux']:
     52   config.unsupported = True
     53 
     54 if config.target_arch in ['armv7l']:
     55   config.unsupported = True
     56