llvm-project/lld/test/CMakeLists.txt

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set(LLVM_SOURCE_DIR "${LLVM_MAIN_SRC_DIR}")
set(LLVM_BINARY_DIR "${LLVM_BINARY_DIR}")
set(LLVM_BUILD_MODE "%(build_mode)s")
set(LLVM_TOOLS_DIR "${LLVM_TOOLS_BINARY_DIR}/%(build_config)s")
set(LLVM_LIBS_DIR "${LLVM_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}/%(build_config)s")
llvm_canonicalize_cmake_booleans(
LLVM_ENABLE_ZLIB
LLVM_LIBXML2_ENABLED
)
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
MAIN_CONFIG
${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
)
configure_lit_site_cfg(
${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py
MAIN_CONFIG
${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.cfg.py
)
set(LLD_TEST_DEPS lld)
if (NOT LLD_BUILT_STANDALONE)
list(APPEND LLD_TEST_DEPS
FileCheck count llc llvm-ar llvm-as llvm-bcanalyzer llvm-config llvm-cvtres
llvm-dis llvm-dwarfdump llvm-lib llvm-lipo llvm-mc llvm-nm llvm-objcopy
llvm-objdump llvm-pdbutil llvm-readelf llvm-readobj llvm-strip not obj2yaml
Add test utility 'split-file' See https://lists.llvm.org/pipermail/llvm-dev/2020-July/143373.html "[llvm-dev] Multiple documents in one test file" for some discussions. This patch has explored several alternatives. The current semantics are similar to what @dblaikie proposed. `split-file filename output` splits the input file into multiple parts separated by regex `^(.|//)--- filename` and write each part to the file `output/filename` (`filename` can include path separators). Use case A (organizing input of different formats (e.g. linker script+assembly) in one file). ``` # RUN: split-file %s %t # RUN: llvm-mc %t/asm -o %t.o # RUN: ld.lld -T %t/lds %t.o -o %t This is sometimes better than the %S/Inputs/ approach because the user can see the auxiliary files immediately and don't have to open another file. # asm ... # lds ... ``` Use case B (for utilities which don't have built-in input splitting feature): ``` // RUN: split-file %s %t // RUN: llc < %t/1.ll | FileCheck %s --check-prefix=CASE1 // RUN: llc < %t/2.ll | FileCheck %s --check-prefix=CASE2 Combing tests prudently can improve readability. For example, when testing parsing errors if the recovery mechanism isn't possible, grouping the tests in one file can more readily see test coverage/strategy. //--- 1.ll ... //--- 2.ll ... ``` Since this is a new utility, there is no git history concerns for UpperCase variable names. I use lowerCase variable names like mlir/lld. Reviewed By: jhenderson, lattner Differential Revision: https://reviews.llvm.org/D83834
2020-08-04 01:17:55 +08:00
opt split-file yaml2obj
)
endif()
if (LLVM_INCLUDE_TESTS)
list(APPEND LLD_TEST_DEPS LLDUnitTests)
endif()
add_lit_testsuite(check-lld "Running lld test suite"
${CMAKE_CURRENT_BINARY_DIR}
DEPENDS ${LLD_TEST_DEPS}
)
add_custom_target(lld-test-depends DEPENDS ${LLD_TEST_DEPS})
set_target_properties(lld-test-depends PROPERTIES FOLDER "lld tests")
add_lit_testsuites(LLD ${CMAKE_CURRENT_SOURCE_DIR}
DEPENDS ${LLD_TEST_DEPS}
)
set_target_properties(check-lld PROPERTIES FOLDER "lld tests")
# Add a legacy target spelling: lld-test
add_custom_target(lld-test)
add_dependencies(lld-test check-lld)
set_target_properties(lld-test PROPERTIES FOLDER "lld tests")