crosstest/lit.cfg

import os
import re
import lit.formats

config.name = 'subzero_crosstests'
config.test_format = lit.formats.ShTest()
config.suffixes = ['.xtest']
config.test_source_root = os.path.dirname(__file__)
config.test_exec_root = config.test_source_root

llvmbintools = [r"\bFileCheck\b"]
llvmbinpath = os.path.abspath(os.environ.get('LLVM_BIN_PATH'))

for tool in llvmbintools:
  # The re.sub() line is adapted from one of LLVM's lit.cfg files.
  # Extract the tool name from the pattern.  This relies on the tool
  # name being surrounded by \b word match operators.  If the
  # pattern starts with "| ", include it in the string to be
  # substituted.
  substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
                        r"\2" + llvmbinpath + "/" + r"\4",
                        tool)
  config.substitutions.append((tool, substitution))