| # LLVM_TARGET_DEFINITIONS must contain the name of the .td file to process, |
| # while LLVM_TARGET_DEPENDS may contain additional file dependencies. |
| # Extra parameters for `tblgen' may come after `ofn' parameter. |
| # Adds the name of the generated file to TABLEGEN_OUTPUT. |
| include(LLVMDistributionSupport) |
| |
| # Clear out any pre-existing compile_commands file before processing. This |
| # allows for generating a clean compile_commands on each configure. |
| file(REMOVE ${CMAKE_BINARY_DIR}/tablegen_compile_commands.yml) |
| |
| function(tablegen project ofn) |
| cmake_parse_arguments(ARG "" "" "DEPENDS;EXTRA_INCLUDES" ${ARGN}) |
| |
| # Override ${project} with ${project}_TABLEGEN_PROJECT |
| if(NOT "${${project}_TABLEGEN_PROJECT}" STREQUAL "") |
| set(project ${${project}_TABLEGEN_PROJECT}) |
| endif() |
| |
| # Validate calling context. |
| if(NOT ${project}_TABLEGEN_EXE) |
| message(FATAL_ERROR "${project}_TABLEGEN_EXE not set") |
| endif() |
| |
| # Use depfile instead of globbing arbitrary *.td(s) for Ninja. |
| if(CMAKE_GENERATOR MATCHES "Ninja") |
| # Make output path relative to build.ninja, assuming located on |
| # ${CMAKE_BINARY_DIR}. |
| # CMake emits build targets as relative paths but Ninja doesn't identify |
| # absolute path (in *.d) as relative path (in build.ninja) |
| # Note that tblgen is executed on ${CMAKE_BINARY_DIR} as working directory. |
| file(RELATIVE_PATH ofn_rel |
| ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR}/${ofn}) |
| set(additional_cmdline |
| -o ${ofn_rel} |
| -d ${ofn_rel}.d |
| WORKING_DIRECTORY ${CMAKE_BINARY_DIR} |
| DEPFILE ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.d |
| ) |
| set(local_tds) |
| set(global_tds) |
| else() |
| file(GLOB local_tds "*.td") |
| file(GLOB_RECURSE global_tds "${LLVM_MAIN_INCLUDE_DIR}/llvm/*.td") |
| set(additional_cmdline |
| -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn} |
| ) |
| endif() |
| |
| if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS}) |
| set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS}) |
| else() |
| set(LLVM_TARGET_DEFINITIONS_ABSOLUTE |
| ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS}) |
| endif() |
| if (LLVM_ENABLE_DAGISEL_COV AND "-gen-dag-isel" IN_LIST ARGN) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-instrument-coverage") |
| endif() |
| if (LLVM_ENABLE_GISEL_COV AND "-gen-global-isel" IN_LIST ARGN) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-instrument-gisel-coverage") |
| list(APPEND LLVM_TABLEGEN_FLAGS "-gisel-coverage-file=${LLVM_GISEL_COV_PREFIX}all") |
| endif() |
| if (LLVM_OMIT_DAGISEL_COMMENTS AND "-gen-dag-isel" IN_LIST ARGN) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-omit-comments") |
| endif() |
| |
| # MSVC can't support long string literals ("long" > 65534 bytes)[1], so if there's |
| # a possibility of generated tables being consumed by MSVC, generate arrays of |
| # char literals, instead. If we're cross-compiling, then conservatively assume |
| # that the source might be consumed by MSVC. |
| # [1] https://docs.microsoft.com/en-us/cpp/cpp/compiler-limits?view=vs-2017 |
| if (MSVC AND project STREQUAL LLVM) |
| list(APPEND LLVM_TABLEGEN_FLAGS "--long-string-literals=0") |
| endif() |
| if (CMAKE_GENERATOR MATCHES "Visual Studio") |
| # Visual Studio has problems with llvm-tblgen's native --write-if-changed |
| # behavior. Since it doesn't do restat optimizations anyway, just don't |
| # pass --write-if-changed there. |
| set(tblgen_change_flag) |
| else() |
| set(tblgen_change_flag "--write-if-changed") |
| endif() |
| |
| if (NOT LLVM_ENABLE_WARNINGS) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-no-warn-on-unused-template-args") |
| endif() |
| |
| # We need both _TABLEGEN_TARGET and _TABLEGEN_EXE in the DEPENDS list |
| # (both the target and the file) to have .inc files rebuilt on |
| # a tablegen change, as cmake does not propagate file-level dependencies |
| # of custom targets. See the following ticket for more information: |
| # https://cmake.org/Bug/view.php?id=15858 |
| # The dependency on both, the target and the file, produces the same |
| # dependency twice in the result file when |
| # ("${${project}_TABLEGEN_TARGET}" STREQUAL "${${project}_TABLEGEN_EXE}") |
| # but lets us having smaller and cleaner code here. |
| get_directory_property(tblgen_includes INCLUDE_DIRECTORIES) |
| list(APPEND tblgen_includes ${ARG_EXTRA_INCLUDES}) |
| |
| # Get the current set of include paths for this td file. |
| cmake_parse_arguments(ARG "" "" "DEPENDS;EXTRA_INCLUDES" ${ARGN}) |
| get_directory_property(tblgen_includes INCLUDE_DIRECTORIES) |
| list(APPEND tblgen_includes ${ARG_EXTRA_INCLUDES}) |
| # Filter out any empty include items. |
| list(REMOVE_ITEM tblgen_includes "") |
| |
| # Build the absolute path for the current input file. |
| if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS}) |
| set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS}) |
| else() |
| set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS}) |
| endif() |
| |
| # Append this file and its includes to the compile commands file. |
| # This file is used by the TableGen LSP Language Server (tblgen-lsp-server). |
| file(APPEND ${CMAKE_BINARY_DIR}/tablegen_compile_commands.yml |
| "--- !FileInfo:\n" |
| " filepath: \"${LLVM_TARGET_DEFINITIONS_ABSOLUTE}\"\n" |
| " includes: \"${CMAKE_CURRENT_SOURCE_DIR};${tblgen_includes}\"\n" |
| ) |
| |
| # Filter out empty items before prepending each entry with -I |
| list(REMOVE_ITEM tblgen_includes "") |
| list(TRANSFORM tblgen_includes PREPEND -I) |
| |
| set(tablegen_exe ${${project}_TABLEGEN_EXE}) |
| set(tablegen_depends ${${project}_TABLEGEN_TARGET} ${tablegen_exe}) |
| |
| add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn} |
| COMMAND ${tablegen_exe} ${ARG_UNPARSED_ARGUMENTS} -I ${CMAKE_CURRENT_SOURCE_DIR} |
| ${tblgen_includes} |
| ${LLVM_TABLEGEN_FLAGS} |
| ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} |
| ${tblgen_change_flag} |
| ${additional_cmdline} |
| # The file in LLVM_TARGET_DEFINITIONS may be not in the current |
| # directory and local_tds may not contain it, so we must |
| # explicitly list it here: |
| DEPENDS ${ARG_DEPENDS} ${tablegen_depends} |
| ${local_tds} ${global_tds} |
| ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} |
| ${LLVM_TARGET_DEPENDS} |
| COMMENT "Building ${ofn}..." |
| ) |
| |
| # `make clean' must remove all those generated files: |
| set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}) |
| |
| set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn} PARENT_SCOPE) |
| set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn} PROPERTIES |
| GENERATED 1) |
| endfunction() |
| |
| # Creates a target for publicly exporting tablegen dependencies. |
| function(add_public_tablegen_target target) |
| if(NOT TABLEGEN_OUTPUT) |
| message(FATAL_ERROR "Requires tablegen() definitions as TABLEGEN_OUTPUT.") |
| endif() |
| add_custom_target(${target} |
| DEPENDS ${TABLEGEN_OUTPUT}) |
| if(LLVM_COMMON_DEPENDS) |
| add_dependencies(${target} ${LLVM_COMMON_DEPENDS}) |
| endif() |
| set_target_properties(${target} PROPERTIES FOLDER "Tablegenning") |
| set(LLVM_COMMON_DEPENDS ${LLVM_COMMON_DEPENDS} ${target} PARENT_SCOPE) |
| endfunction() |
| |
| macro(add_tablegen target project) |
| cmake_parse_arguments(ADD_TABLEGEN "" "DESTINATION;EXPORT" "" ${ARGN}) |
| |
| set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS}) |
| set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen) |
| |
| add_llvm_executable(${target} DISABLE_LLVM_LINK_LLVM_DYLIB |
| ${ADD_TABLEGEN_UNPARSED_ARGUMENTS}) |
| set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS}) |
| |
| set(${project}_TABLEGEN_DEFAULT "${target}") |
| if (LLVM_NATIVE_TOOL_DIR) |
| if (EXISTS "${LLVM_NATIVE_TOOL_DIR}/${target}${LLVM_HOST_EXECUTABLE_SUFFIX}") |
| set(${project}_TABLEGEN_DEFAULT "${LLVM_NATIVE_TOOL_DIR}/${target}${LLVM_HOST_EXECUTABLE_SUFFIX}") |
| endif() |
| endif() |
| |
| # FIXME: Quick fix to reflect LLVM_TABLEGEN to llvm-min-tblgen |
| if("${target}" STREQUAL "llvm-min-tblgen" |
| AND NOT "${LLVM_TABLEGEN}" STREQUAL "" |
| AND NOT "${LLVM_TABLEGEN}" STREQUAL "llvm-tblgen") |
| set(${project}_TABLEGEN_DEFAULT "${LLVM_TABLEGEN}") |
| endif() |
| |
| if(ADD_TABLEGEN_EXPORT) |
| set(${project}_TABLEGEN "${${project}_TABLEGEN_DEFAULT}" CACHE |
| STRING "Native TableGen executable. Saves building one when cross-compiling.") |
| else() |
| # Internal tablegen |
| set(${project}_TABLEGEN "${${project}_TABLEGEN_DEFAULT}") |
| set_target_properties(${target} PROPERTIES EXCLUDE_FROM_ALL ON) |
| endif() |
| |
| # Effective tblgen executable to be used: |
| set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE) |
| set(${project}_TABLEGEN_TARGET ${${project}_TABLEGEN} PARENT_SCOPE) |
| |
| if(LLVM_USE_HOST_TOOLS) |
| if( ${${project}_TABLEGEN} STREQUAL "${target}" ) |
| # The NATIVE tablegen executable *must* depend on the current target one |
| # otherwise the native one won't get rebuilt when the tablgen sources |
| # change, and we end up with incorrect builds. |
| build_native_tool(${target} ${project}_TABLEGEN_EXE DEPENDS ${target}) |
| set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE) |
| |
| add_custom_target(${target}-host DEPENDS ${${project}_TABLEGEN_EXE}) |
| set(${project}_TABLEGEN_TARGET ${target}-host PARENT_SCOPE) |
| |
| # If we're using the host tablegen, and utils were not requested, we have no |
| # need to build this tablegen. |
| if ( NOT LLVM_BUILD_UTILS ) |
| set_target_properties(${target} PROPERTIES EXCLUDE_FROM_ALL ON) |
| endif() |
| endif() |
| endif() |
| |
| if (ADD_TABLEGEN_DESTINATION AND NOT LLVM_INSTALL_TOOLCHAIN_ONLY AND |
| (LLVM_BUILD_UTILS OR ${target} IN_LIST LLVM_DISTRIBUTION_COMPONENTS)) |
| set(export_arg) |
| if(ADD_TABLEGEN_EXPORT) |
| get_target_export_arg(${target} ${ADD_TABLEGEN_EXPORT} export_arg) |
| endif() |
| install(TARGETS ${target} |
| ${export_arg} |
| COMPONENT ${target} |
| RUNTIME DESTINATION "${ADD_TABLEGEN_DESTINATION}") |
| if(NOT LLVM_ENABLE_IDE) |
| add_llvm_install_targets("install-${target}" |
| DEPENDS ${target} |
| COMPONENT ${target}) |
| endif() |
| endif() |
| if(ADD_TABLEGEN_EXPORT) |
| string(TOUPPER ${ADD_TABLEGEN_EXPORT} export_upper) |
| set_property(GLOBAL APPEND PROPERTY ${export_upper}_EXPORTS ${target}) |
| endif() |
| endmacro() |