llvm-project/mlir/test/lit.cfg.py

126 lines
4.7 KiB
Python

# -*- Python -*-
import os
import platform
import re
import subprocess
import tempfile
import lit.formats
import lit.util
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
from lit.llvm.subst import FindTool
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'MLIR'
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.td', '.mlir', '.toy', '.ll', '.tc', '.py', '.yaml', '.test']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.mlir_obj_root, 'test')
config.substitutions.append(('%PATH%', config.environment['PATH']))
config.substitutions.append(('%shlibext', config.llvm_shlib_ext))
config.substitutions.append(("%mlir_src_root", config.mlir_src_root))
llvm_config.with_system_environment(
['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP'])
llvm_config.use_default_substitutions()
# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt',
'lit.cfg.py', 'lit.site.cfg.py']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.mlir_obj_root, 'test')
# Tweak the PATH to include the tools dir.
llvm_config.with_environment('PATH', config.mlir_tools_dir, append_path=True)
llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
tool_dirs = [config.mlir_tools_dir, config.llvm_tools_dir]
tools = [
'mlir-opt',
'mlir-tblgen',
'mlir-translate',
'mlir-lsp-server',
'mlir-capi-execution-engine-test',
'mlir-capi-ir-test',
'mlir-capi-llvm-test',
'mlir-capi-pass-test',
'mlir-capi-sparse-tensor-test',
'mlir-cpu-runner',
'mlir-linalg-ods-yaml-gen',
'mlir-reduce',
]
# The following tools are optional
tools.extend([
ToolSubst('toy-ch1', unresolved='ignore'),
ToolSubst('toy-ch2', unresolved='ignore'),
ToolSubst('toy-ch3', unresolved='ignore'),
ToolSubst('toy-ch4', unresolved='ignore'),
ToolSubst('toy-ch5', unresolved='ignore'),
ToolSubst('%linalg_test_lib_dir', config.linalg_test_lib_dir, unresolved='ignore'),
ToolSubst('%mlir_runner_utils_dir', config.mlir_runner_utils_dir, unresolved='ignore'),
ToolSubst('%spirv_wrapper_library_dir', config.spirv_wrapper_library_dir, unresolved='ignore'),
ToolSubst('%vulkan_wrapper_library_dir', config.vulkan_wrapper_library_dir, unresolved='ignore'),
ToolSubst('%mlir_integration_test_dir', config.mlir_integration_test_dir, unresolved='ignore'),
])
python_executable = config.python_executable
# Python configuration with sanitizer requires some magic preloading. This will only work on clang/linux.
# TODO: detect Darwin/Windows situation (or mark these tests as unsupported on these platforms).
if "asan" in config.available_features and "Linux" in config.host_os:
python_executable = f"LD_PRELOAD=$({config.host_cxx} -print-file-name=libclang_rt.asan-{config.host_arch}.so) {config.python_executable}"
tools.extend([
ToolSubst('%PYTHON', python_executable, unresolved='ignore'),
])
llvm_config.add_tool_substitutions(tools, tool_dirs)
# FileCheck -enable-var-scope is enabled by default in MLIR test
# This option avoids to accidentally reuse variable across -LABEL match,
# it can be explicitly opted-in by prefixing the variable name with $
config.environment['FILECHECK_OPTS'] = "-enable-var-scope --allow-unused-prefixes=false"
# LLVM can be configured with an empty default triple
# by passing ` -DLLVM_DEFAULT_TARGET_TRIPLE="" `.
# This is how LLVM filters tests that require the host target
# to be available for JIT tests.
if config.target_triple:
config.available_features.add('default_triple')
# Add the python path for both the source and binary tree.
# Note that presently, the python sources come from the source tree and the
# binaries come from the build tree. This should be unified to the build tree
# by copying/linking sources to build.
if config.enable_bindings_python:
llvm_config.with_environment('PYTHONPATH', [
os.path.join(config.mlir_obj_root, 'python_packages', 'mlir_core'),
os.path.join(config.mlir_obj_root, 'python_packages', 'mlir_test'),
], append_path=True)
if config.enable_assertions:
config.available_features.add('asserts')
else:
config.available_features.add('noasserts')