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1# -*- Python -*-
2
3import os
4
5def 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.
15config.name = 'Profile-' + config.target_arch
16
17# Setup source root.
18config.test_source_root = os.path.dirname(__file__)
19
20# Setup executable root.
21if 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.
27if 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
36if config.host_os in ['Linux']:
37  extra_linkflags = ["-ldl"]
38else:
39  extra_linkflags = []
40
41# Test suffixes.
42config.suffixes = ['.c', '.cc', '.cpp', '.m', '.mm', '.ll', '.test']
43
44# What to exclude.
45config.excludes = ['Inputs']
46
47# Clang flags.
48target_cflags=[get_required_attr(config, "target_cflags")]
49clang_cflags = target_cflags + extra_linkflags
50clang_cxxflags = config.cxx_mode_flags + clang_cflags
51
52def build_invocation(compile_flags):
53  return " " + " ".join([config.clang] + compile_flags) + " "
54
55# Add clang substitutions.
56config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
57config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
58config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
59config.substitutions.append( ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") )
60config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
61config.substitutions.append( ("%clangxx_profgen ", build_invocation(clang_cxxflags) + " -fprofile-instr-generate ") )
62config.substitutions.append( ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") )
63config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
64config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
65
66if config.host_os not in ['Darwin', 'FreeBSD', 'Linux']:
67  config.unsupported = True
68
69if config.target_arch in ['armv7l']:
70  config.unsupported = True
71