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1 # -*- Python -*-
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2
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3 import os
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4 import platform
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5 import re
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6 import subprocess
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7 import locale
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8
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9 import lit.formats
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10 import lit.util
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11
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12 from lit.llvm import llvm_config
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13
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14 # Configuration file for the 'lit' test runner.
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15
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16 # name: The name of this test suite.
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17 config.name = 'lld'
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18
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19 # testFormat: The test format to use to interpret tests.
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20 #
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21 # For now we require '&&' between commands, until they get globally killed and
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22 # the test runner updated.
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23 config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
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24
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25 # suffixes: A list of file extensions to treat as test files.
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26 config.suffixes = ['.ll', '.s', '.test', '.yaml', '.objtxt']
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27
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28 # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
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29 # subdirectories contain auxiliary inputs for various tests in their parent
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30 # directories.
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31 config.excludes = ['Inputs']
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32
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33 # test_source_root: The root path where tests are located.
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34 config.test_source_root = os.path.dirname(__file__)
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35
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36 config.test_exec_root = os.path.join(config.lld_obj_root, 'test')
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37
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38 llvm_config.use_default_substitutions()
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39 llvm_config.use_lld()
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40
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41 tool_patterns = [
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42 'llc', 'llvm-as', 'llvm-mc', 'llvm-nm', 'llvm-objdump', 'llvm-pdbutil',
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43 'llvm-dwarfdump', 'llvm-readelf', 'llvm-readobj', 'obj2yaml', 'yaml2obj',
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44 'opt', 'llvm-dis']
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45
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46 llvm_config.add_tool_substitutions(tool_patterns)
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47
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48 # LLD tests tend to be flaky on NetBSD, so add some retries.
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49 # We don't do this on other platforms because it's slower.
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50 if platform.system() in ['NetBSD']:
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51 config.test_retry_attempts = 2
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52
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53 # When running under valgrind, we mangle '-vg' onto the end of the triple so we
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54 # can check it with XFAIL and XTARGET.
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55 if lit_config.useValgrind:
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56 config.target_triple += '-vg'
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57
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58 # Running on ELF based *nix
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59 if platform.system() in ['FreeBSD', 'NetBSD', 'Linux']:
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60 config.available_features.add('system-linker-elf')
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61
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62 # Set if host-cxxabi's demangler can handle target's symbols.
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63 if platform.system() not in ['Windows']:
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64 config.available_features.add('demangler')
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65
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66 llvm_config.feature_config(
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67 [('--build-mode', {'DEBUG': 'debug'}),
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68 ('--assertion-mode', {'ON': 'asserts'}),
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69 ('--targets-built', {'AArch64': 'aarch64',
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70 'AMDGPU': 'amdgpu',
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71 'ARM': 'arm',
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72 'AVR': 'avr',
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73 'Hexagon': 'hexagon',
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74 'Mips': 'mips',
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75 'MSP430': 'msp430',
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76 'PowerPC': 'ppc',
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77 'RISCV': 'riscv',
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78 'Sparc': 'sparc',
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79 'WebAssembly': 'wasm',
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80 'X86': 'x86'})
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81 ])
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82
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83 # Set a fake constant version so that we get consistent output.
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84 config.environment['LLD_VERSION'] = 'LLD 1.0'
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85 config.environment['LLD_IN_TEST'] = '1'
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86
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87 # Indirectly check if the mt.exe Microsoft utility exists by searching for
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88 # cvtres, which always accompanies it. Alternatively, check if we can use
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89 # libxml2 to merge manifests.
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90 if (lit.util.which('cvtres', config.environment['PATH']) or
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91 config.llvm_libxml2_enabled):
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92 config.available_features.add('manifest_tool')
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93
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94 if config.llvm_libxml2_enabled:
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95 config.available_features.add('libxml2')
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96
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97 if config.have_dia_sdk:
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98 config.available_features.add("diasdk")
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99
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100 if config.sizeof_void_p == 8:
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101 config.available_features.add("llvm-64-bits")
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102
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103 tar_executable = lit.util.which('tar', config.environment['PATH'])
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104 if tar_executable:
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105 tar_version = subprocess.Popen(
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106 [tar_executable, '--version'],
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107 stdout=subprocess.PIPE,
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108 stderr=subprocess.PIPE,
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109 env={'LANG': 'C'})
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110 sout, _ = tar_version.communicate()
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111 if 'GNU tar' in sout.decode():
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112 config.available_features.add('gnutar')
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