| # 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. |
| |
| macro(tablegen ofn) |
| file(GLOB local_tds "*.td") |
| file(GLOB_RECURSE global_tds "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td") |
| |
| 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() |
| add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp |
| # Generate tablegen output in a temporary file. |
| COMMAND ${LLVM_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR} |
| -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR} |
| ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} |
| -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp |
| # 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 ${LLVM_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 "" |
| ) |
| |
| # `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}) |
| set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn} |
| PROPERTIES GENERATED 1) |
| endmacro(tablegen) |