# 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. function(tablegen project ofn) # Validate calling context. foreach(v ${project}_TABLEGEN_EXE LLVM_MAIN_SRC_DIR LLVM_MAIN_INCLUDE_DIR ) if(NOT ${v}) message(FATAL_ERROR "${v} not set") endif() endforeach() file(GLOB local_tds "*.td") file(GLOB_RECURSE global_tds "${LLVM_MAIN_INCLUDE_DIR}/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 ${${project}_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 ${${project}_TABLEGEN_TARGET} ${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() if(LLVM_USE_HOST_TOOLS) add_custom_command(OUTPUT LIB_LLVMSUPPORT COMMAND ${CMAKE_COMMAND} --build . --target LLVMSupport --config Release DEPENDS CONFIGURE_LLVM_NATIVE WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} COMMENT "Building libLLVMSupport for native TableGen...") add_custom_target(NATIVE_LIB_LLVMSUPPORT DEPENDS LIB_LLVMSUPPORT) add_custom_command(OUTPUT LIB_LLVMTABLEGEN COMMAND ${CMAKE_COMMAND} --build . --target LLVMTableGen --config Release DEPENDS CONFIGURE_LLVM_NATIVE WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} COMMENT "Building libLLVMTableGen for native TableGen...") add_custom_target(NATIVE_LIB_LLVMTABLEGEN DEPENDS LIB_LLVMTABLEGEN) endif(LLVM_USE_HOST_TOOLS) macro(add_tablegen target project) set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS}) set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen) if(NOT XCODE) # FIXME: It leaks to user, callee of add_tablegen. set(LLVM_ENABLE_OBJLIB ON) endif() add_llvm_utility(${target} ${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) add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE} COMMAND ${CMAKE_COMMAND} --build . --target ${target} --config Release DEPENDS ${target} NATIVE_LIB_LLVMSUPPORT NATIVE_LIB_LLVMTABLEGEN WORKING_DIRECTORY ${LLVM_NATIVE_BUILD} COMMENT "Building native TableGen...") add_custom_target(${project}-tablegen-host DEPENDS ${${project}_TABLEGEN_EXE}) set(${project}_TABLEGEN_TARGET ${project}-tablegen-host PARENT_SCOPE) endif() endif() if( MINGW ) if(CMAKE_SIZEOF_VOID_P MATCHES "8") set_target_properties(${target} PROPERTIES LINK_FLAGS -Wl,--stack,16777216) endif(CMAKE_SIZEOF_VOID_P MATCHES "8") endif( MINGW ) if (${project} STREQUAL LLVM AND NOT LLVM_INSTALL_TOOLCHAIN_ONLY) install(TARGETS ${target} EXPORT LLVMExports RUNTIME DESTINATION bin) endif() set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${target}) endmacro()