1# Test runner infrastructure for Clang. This configures the Clang test trees
2# for use by Lit, and delegates to LLVM's lit test handlers.
3#
4# If this is a stand-alone Clang build, we fake up our own Lit support here
5# rather than relying on LLVM's.
6
7set(CLANG_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
8set(CLANG_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/..")
9
10configure_lit_site_cfg(
11  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.in
12  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
13  )
14
15configure_lit_site_cfg(
16  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.in
17  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg
18  )
19
20if( PATH_TO_LLVM_BUILD )
21  set(CLANG_TEST_EXTRA_ARGS "--path=${CLANG_BINARY_DIR}/bin/${CMAKE_CFG_INTDIR}")
22endif()
23
24option(CLANG_TEST_USE_VG "Run Clang tests under Valgrind" OFF)
25if(CLANG_TEST_USE_VG)
26  set(CLANG_TEST_EXTRA_ARGS ${CLANG_TEST_EXTRA_ARGS} "--vg")
27endif ()
28
29set(CLANG_TEST_DEPS
30  clang clang-headers
31  c-index-test diagtool arcmt-test c-arcmt-test
32  clang-check clang-format
33  )
34set(CLANG_TEST_PARAMS
35  clang_site_config=${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
36  )
37
38if(CLANG_INCLUDE_TESTS)
39  list(APPEND CLANG_TEST_DEPS ClangUnitTests)
40  list(APPEND CLANG_TEST_PARAMS
41    clang_unit_site_config=${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg
42    )
43endif()
44
45if( NOT CLANG_BUILT_STANDALONE )
46  list(APPEND CLANG_TEST_DEPS
47    llc opt FileCheck count not llvm-symbolizer
48    )
49
50  add_lit_testsuite(check-clang "Running the Clang regression tests"
51    ${CMAKE_CURRENT_BINARY_DIR}
52    PARAMS ${CLANG_TEST_PARAMS}
53    DEPENDS ${CLANG_TEST_DEPS}
54    ARGS ${CLANG_TEST_EXTRA_ARGS}
55    )
56  set_target_properties(check-clang PROPERTIES FOLDER "Clang tests")
57
58else()
59
60  include(FindPythonInterp)
61  if(PYTHONINTERP_FOUND)
62    if( LLVM_MAIN_SRC_DIR )
63      set(LIT "${LLVM_MAIN_SRC_DIR}/utils/lit/lit.py")
64    else()
65      set(LIT "${PATH_TO_LLVM_BUILD}/bin/${CMAKE_CFG_INTDIR}/llvm-lit")
66      # Installed LLVM does not contain ${CMAKE_CFG_INTDIR} in paths.
67      if( NOT EXISTS ${LIT} )
68        set(LIT "${PATH_TO_LLVM_BUILD}/bin/llvm-lit")
69      endif()
70    endif()
71
72    set(LIT_ARGS "${CLANG_TEST_EXTRA_ARGS} ${LLVM_LIT_ARGS}")
73    separate_arguments(LIT_ARGS)
74
75    list(APPEND CLANG_TEST_PARAMS build_mode=${CMAKE_CFG_INTDIR})
76
77    foreach(param ${CLANG_TEST_PARAMS})
78      list(APPEND LIT_ARGS --param ${param})
79    endforeach()
80
81    add_custom_target(check-clang
82      COMMAND ${PYTHON_EXECUTABLE}
83              ${LIT}
84              ${LIT_ARGS}
85              ${CMAKE_CURRENT_BINARY_DIR}
86              ${CLANG_TEST_EXTRA_ARGS}
87      COMMENT "Running Clang regression tests"
88      DEPENDS ${CLANG_TEST_DEPS}
89      )
90    set_target_properties(check-clang PROPERTIES FOLDER "Clang tests")
91  endif()
92
93endif()
94
95# Add a legacy target spelling: clang-test
96add_custom_target(clang-test)
97add_dependencies(clang-test check-clang)
98set_target_properties(clang-test PROPERTIES FOLDER "Clang tests")
99