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.py " % 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
25if config.host_os in ['Linux']:
26  extra_link_flags = ["-ldl"]
27elif config.host_os in ['Windows']:
28  # InstrProf is incompatible with incremental linking. Disable it as a
29  # workaround.
30  extra_link_flags = ["-Wl,-incremental:no"]
31else:
32  extra_link_flags = []
33
34# Test suffixes.
35config.suffixes = ['.c', '.cpp', '.m', '.mm', '.ll', '.test']
36
37# What to exclude.
38config.excludes = ['Inputs']
39
40# Clang flags.
41target_cflags=[get_required_attr(config, "target_cflags")]
42clang_cflags = target_cflags + extra_link_flags
43clang_cxxflags = config.cxx_mode_flags + clang_cflags
44
45def build_invocation(compile_flags, with_lto = False):
46  lto_flags = []
47  lto_prefix = []
48  if with_lto and config.lto_supported:
49    lto_flags += config.lto_flags
50    lto_prefix += config.lto_launch
51  return " " + " ".join(lto_prefix + [config.clang] + lto_flags + compile_flags) + " "
52
53# Add clang substitutions.
54config.substitutions.append( ("%clang ", build_invocation(clang_cflags)) )
55config.substitutions.append( ("%clangxx ", build_invocation(clang_cxxflags)) )
56config.substitutions.append( ("%clang_profgen ", build_invocation(clang_cflags) + " -fprofile-instr-generate ") )
57config.substitutions.append( ("%clang_profgen=", build_invocation(clang_cflags) + " -fprofile-instr-generate=") )
58config.substitutions.append( ("%clang_pgogen ", build_invocation(clang_cflags) + " -fprofile-generate ") )
59config.substitutions.append( ("%clang_pgogen=", build_invocation(clang_cflags) + " -fprofile-generate=") )
60
61config.substitutions.append( ("%clangxx_profgen ", build_invocation(clang_cxxflags) + " -fprofile-instr-generate ") )
62config.substitutions.append( ("%clangxx_profgen=", build_invocation(clang_cxxflags) + " -fprofile-instr-generate=") )
63config.substitutions.append( ("%clangxx_pgogen ", build_invocation(clang_cxxflags) + " -fprofile-generate ") )
64config.substitutions.append( ("%clangxx_pgogen=", build_invocation(clang_cxxflags) + " -fprofile-generate=") )
65
66config.substitutions.append( ("%clang_profgen_gcc=", build_invocation(clang_cflags) + " -fprofile-generate=") )
67config.substitutions.append( ("%clang_profuse_gcc=", build_invocation(clang_cflags) + " -fprofile-use=") )
68
69config.substitutions.append( ("%clang_profuse=", build_invocation(clang_cflags) + " -fprofile-instr-use=") )
70config.substitutions.append( ("%clangxx_profuse=", build_invocation(clang_cxxflags) + " -fprofile-instr-use=") )
71
72config.substitutions.append( ("%clang_lto_profgen=", build_invocation(clang_cflags, True) + " -fprofile-instr-generate=") )
73
74if config.host_os not in ['Windows', 'Darwin', 'FreeBSD', 'Linux', 'NetBSD', 'SunOS']:
75  config.unsupported = True
76
77if config.target_arch in ['armv7l']:
78  config.unsupported = True
79
80if config.android:
81  config.unsupported = True
82