llvm/test/Other/spirv-sim/lit.local.cfg

spirv_sim_root = os.path.join(config.llvm_src_root, "utils", "spirv-sim")
config.substitutions.append(
  (
    "spirv-sim",
    "'%s' %s"
    % (config.python_executable, os.path.join(spirv_sim_root, "spirv-sim.py")),
  )
)