| # LLVM_TARGET_DEFINITIONS must contain the name of the .td file to process. |
| # Extra parameters for `tblgen' may come after `ofn' parameter. |
| # Adds the name of the generated file to TABLEGEN_OUTPUT. |
| |
| include(LLVMExternalProjectUtils) |
| |
| if(LLVM_MAIN_INCLUDE_DIR) |
| set(LLVM_TABLEGEN_FLAGS -I ${LLVM_MAIN_INCLUDE_DIR}) |
| endif() |
| |
| function(tablegen project ofn) |
| # 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) |
| # DEPFILE is available for Ninja Generator with CMake>=3.7. |
| if(CMAKE_GENERATOR STREQUAL "Ninja" AND NOT CMAKE_VERSION VERSION_LESS 3.7) |
| # 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}.tmp |
| -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}.tmp |
| ) |
| 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) |
| list(FIND ARGN "-gen-dag-isel" idx) |
| if( NOT idx EQUAL -1 ) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-instrument-coverage") |
| endif() |
| endif() |
| if (LLVM_ENABLE_GISEL_COV) |
| list(FIND ARGN "-gen-global-isel" idx) |
| if( NOT idx EQUAL -1 ) |
| list(APPEND LLVM_TABLEGEN_FLAGS "-instrument-gisel-coverage") |
| list(APPEND LLVM_TABLEGEN_FLAGS "-gisel-coverage-file=${LLVM_GISEL_COV_PREFIX}all") |
| endif() |
| endif() |
| |
| # We need both _TABLEGEN_TARGET and _TABLEGEN_EXE in the DEPENDS list |
| # (both the target and the file) to have .inc files rebuilt on |
| # a tablegen change, as cmake does not propagate file-level dependencies |
| # of custom targets. See the following ticket for more information: |
| # https://cmake.org/Bug/view.php?id=15858 |
| # The dependency on both, the target and the file, produces the same |
| # dependency twice in the result file when |
| # ("${${project}_TABLEGEN_TARGET}" STREQUAL "${${project}_TABLEGEN_EXE}") |
| # but lets us having smaller and cleaner code here. |
| add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp |
| # Generate tablegen output in a temporary file. |
| COMMAND ${${project}_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR} |
| ${LLVM_TABLEGEN_FLAGS} |
| ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} |
| ${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 ${${project}_TABLEGEN_TARGET} ${${project}_TABLEGEN_EXE} |
| ${local_tds} ${global_tds} |
| ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} |
| COMMENT "Building ${ofn}..." |
| ) |
| add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn} |
| # Only update the real output file if there are any differences. |
| # This prevents recompilation of all the files depending on it if there |
| # aren't any. |
| COMMAND ${CMAKE_COMMAND} -E copy_if_different |
| ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp |
| ${CMAKE_CURRENT_BINARY_DIR}/${ofn} |
| DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp |
| COMMENT "Updating ${ofn}..." |
| ) |
| |
| # `make clean' must remove all those generated files: |
| set_property(DIRECTORY APPEND |
| PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}.tmp ${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} ${target} PARENT_SCOPE) |
| endfunction() |
| |
| macro(add_tablegen target project) |
| set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS}) |
| set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen) |
| |
| # CMake-3.9 doesn't let compilation units depend on their dependent libraries. |
| if(NOT (CMAKE_GENERATOR STREQUAL "Ninja" AND NOT CMAKE_VERSION VERSION_LESS 3.9) AND NOT XCODE) |
| # FIXME: It leaks to user, callee of add_tablegen. |
| set(LLVM_ENABLE_OBJLIB ON) |
| endif() |
| |
| add_llvm_executable(${target} DISABLE_LLVM_LINK_LLVM_DYLIB ${ARGN}) |
| set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS}) |
| |
| set(${project}_TABLEGEN "${target}" CACHE |
| STRING "Native TableGen executable. Saves building one when cross-compiling.") |
| |
| # Upgrade existing LLVM_TABLEGEN setting. |
| if(${project} STREQUAL LLVM) |
| if(${LLVM_TABLEGEN} STREQUAL tblgen) |
| set(LLVM_TABLEGEN "${target}" CACHE |
| STRING "Native TableGen executable. Saves building one when cross-compiling." |
| FORCE) |
| endif() |
| endif() |
| |
| # Effective tblgen executable to be used: |
| set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE) |
| set(${project}_TABLEGEN_TARGET ${${project}_TABLEGEN} PARENT_SCOPE) |
| |
| if(LLVM_USE_HOST_TOOLS) |
| if( ${${project}_TABLEGEN} STREQUAL "${target}" ) |
| if (NOT CMAKE_CONFIGURATION_TYPES) |
| set(${project}_TABLEGEN_EXE "${LLVM_NATIVE_BUILD}/bin/${target}") |
| else() |
| set(${project}_TABLEGEN_EXE "${LLVM_NATIVE_BUILD}/Release/bin/${target}") |
| endif() |
| set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE) |
| |
| llvm_ExternalProject_BuildCmd(tblgen_build_cmd ${target} |
| ${LLVM_NATIVE_BUILD} |
| CONFIGURATION Release) |
| add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE} |
| COMMAND ${tblgen_build_cmd} |
| DEPENDS CONFIGURE_LLVM_NATIVE ${target} |
| WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} |
| COMMENT "Building native TableGen..." |
| USES_TERMINAL) |
| add_custom_target(${project}-tablegen-host DEPENDS ${${project}_TABLEGEN_EXE}) |
| set(${project}_TABLEGEN_TARGET ${project}-tablegen-host PARENT_SCOPE) |
| endif() |
| endif() |
| |
| if (${project} STREQUAL LLVM AND NOT LLVM_INSTALL_TOOLCHAIN_ONLY) |
| if(${target} IN_LIST LLVM_DISTRIBUTION_COMPONENTS OR |
| NOT LLVM_DISTRIBUTION_COMPONENTS) |
| set(export_to_llvmexports EXPORT LLVMExports) |
| endif() |
| |
| install(TARGETS ${target} |
| ${export_to_llvmexports} |
| RUNTIME DESTINATION ${LLVM_TOOLS_INSTALL_DIR}) |
| endif() |
| set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${target}) |
| endmacro() |
