| # Copyright 2022 The IREE Authors | 
 | # | 
 | # Licensed under the Apache License v2.0 with LLVM Exceptions. | 
 | # See https://llvm.org/LICENSE.txt for license information. | 
 | # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
 | """Lit config for IREE.""" | 
 |  | 
 | # Lint for undefined variables is disabled as config is not defined inside this | 
 | # file, instead config is injected by way of evaluating runlit.cfg.py from | 
 | # runlit.site.cfg.py which in turn is evaluated by lit.py. | 
 | # pylint: disable=undefined-variable | 
 |  | 
 | import os | 
 | import tempfile | 
 |  | 
 | import lit.formats | 
 |  | 
 | config.name = "IREE" | 
 | config.suffixes = [".mlir", ".txt"] | 
 | config.test_format = lit.formats.ShTest(execute_external=True) | 
 | # Forward all IREE environment variables | 
 | passthrough_env_vars = ["VK_ICD_FILENAMES"] | 
 | config.environment.update( | 
 |     { | 
 |         k: v | 
 |         for k, v in os.environ.items() | 
 |         if k.startswith("IREE_") or k in passthrough_env_vars | 
 |     } | 
 | ) | 
 |  | 
 | # Use the most preferred temp directory. | 
 | config.test_exec_root = ( | 
 |     os.environ.get("TEST_UNDECLARED_OUTPUTS_DIR") | 
 |     or os.environ.get("TEST_TMPDIR") | 
 |     or os.path.join(tempfile.gettempdir(), "lit") | 
 | ) |