Home | History | Annotate | Download | only in modules
      1 # LLVM_TARGET_DEFINITIONS must contain the name of the .td file to process.
      2 # Extra parameters for `tblgen' may come after `ofn' parameter.
      3 # Adds the name of the generated file to TABLEGEN_OUTPUT.
      4 
      5 macro(tablegen project ofn)
      6   file(GLOB local_tds "*.td")
      7   file(GLOB_RECURSE global_tds "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td")
      8 
      9   if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
     10     set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
     11   else()
     12     set(LLVM_TARGET_DEFINITIONS_ABSOLUTE 
     13       ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS})
     14   endif()
     15   add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     16     # Generate tablegen output in a temporary file.
     17     COMMAND ${${project}_TABLEGEN_EXE} ${ARGN} -I ${CMAKE_CURRENT_SOURCE_DIR}
     18     -I ${LLVM_MAIN_SRC_DIR}/lib/Target -I ${LLVM_MAIN_INCLUDE_DIR}
     19     ${LLVM_TARGET_DEFINITIONS_ABSOLUTE} 
     20     -o ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     21     # The file in LLVM_TARGET_DEFINITIONS may be not in the current
     22     # directory and local_tds may not contain it, so we must
     23     # explicitly list it here:
     24     DEPENDS ${${project}_TABLEGEN_EXE} ${local_tds} ${global_tds}
     25     ${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
     26     COMMENT "Building ${ofn}..."
     27     )
     28   add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
     29     # Only update the real output file if there are any differences.
     30     # This prevents recompilation of all the files depending on it if there
     31     # aren't any.
     32     COMMAND ${CMAKE_COMMAND} -E copy_if_different
     33         ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     34         ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
     35     DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
     36     COMMENT ""
     37     )
     38 
     39   # `make clean' must remove all those generated files:
     40   set_property(DIRECTORY APPEND
     41     PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}.tmp ${ofn})
     42 
     43   set(TABLEGEN_OUTPUT ${TABLEGEN_OUTPUT} ${CMAKE_CURRENT_BINARY_DIR}/${ofn})
     44   set_source_files_properties(${CMAKE_CURRENT_BINARY_DIR}/${ofn} 
     45     PROPERTIES GENERATED 1)
     46 endmacro(tablegen)
     47 
     48 function(add_public_tablegen_target target)
     49   # Creates a target for publicly exporting tablegen dependencies.
     50   if( TABLEGEN_OUTPUT )
     51     add_custom_target(${target}
     52       DEPENDS ${TABLEGEN_OUTPUT})
     53     add_dependencies(${target} ${LLVM_COMMON_DEPENDS})
     54     set_target_properties(${target} PROPERTIES FOLDER "Tablegenning")
     55   endif( TABLEGEN_OUTPUT )
     56 endfunction()
     57 
     58 if(CMAKE_CROSSCOMPILING)
     59   set(CX_NATIVE_TG_DIR "${CMAKE_BINARY_DIR}/native")
     60 
     61   add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}
     62     COMMAND ${CMAKE_COMMAND} -E make_directory ${CX_NATIVE_TG_DIR}
     63     COMMENT "Creating ${CX_NATIVE_TG_DIR}...")
     64 
     65   add_custom_command(OUTPUT ${CX_NATIVE_TG_DIR}/CMakeCache.txt
     66     COMMAND ${CMAKE_COMMAND} -UMAKE_TOOLCHAIN_FILE -DCMAKE_BUILD_TYPE=Release
     67                              -DLLVM_BUILD_POLLY=OFF ${CMAKE_SOURCE_DIR}
     68     WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
     69     DEPENDS ${CX_NATIVE_TG_DIR}
     70     COMMENT "Configuring native TableGen...")
     71 
     72   add_custom_target(ConfigureNativeTableGen DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt)
     73 
     74   set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES ${CX_NATIVE_TG_DIR})
     75 endif()
     76 
     77 macro(add_tablegen target project)
     78   set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LLVM_TOOLS_BINARY_DIR})
     79 
     80   set(${target}_OLD_LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS})
     81   set(LLVM_LINK_COMPONENTS ${LLVM_LINK_COMPONENTS} TableGen)
     82   add_llvm_utility(${target} ${ARGN})
     83   set(LLVM_LINK_COMPONENTS ${${target}_OLD_LLVM_LINK_COMPONENTS})
     84 
     85   set(${project}_TABLEGEN "${target}" CACHE
     86       STRING "Native TableGen executable. Saves building one when cross-compiling.")
     87 
     88   # Upgrade existing LLVM_TABLEGEN setting.
     89   if(${project} STREQUAL LLVM)
     90     if(${LLVM_TABLEGEN} STREQUAL tblgen)
     91       set(LLVM_TABLEGEN "${target}" CACHE
     92           STRING "Native TableGen executable. Saves building one when cross-compiling."
     93           FORCE)
     94     endif()
     95   endif()
     96       
     97   # Effective tblgen executable to be used:
     98   set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN} PARENT_SCOPE)
     99 
    100   if(CMAKE_CROSSCOMPILING)
    101     if( ${${project}_TABLEGEN} STREQUAL "${target}" )
    102       set(${project}_TABLEGEN_EXE "${CX_NATIVE_TG_DIR}/bin/${target}")
    103       set(${project}_TABLEGEN_EXE ${${project}_TABLEGEN_EXE} PARENT_SCOPE)
    104 
    105       add_custom_command(OUTPUT ${${project}_TABLEGEN_EXE}
    106         COMMAND ${CMAKE_BUILD_TOOL} ${target}
    107         DEPENDS ${CX_NATIVE_TG_DIR}/CMakeCache.txt
    108         WORKING_DIRECTORY ${CX_NATIVE_TG_DIR}
    109         COMMENT "Building native TableGen...")
    110       add_custom_target(${project}NativeTableGen DEPENDS ${${project}_TABLEGEN_EXE})
    111       add_dependencies(${project}NativeTableGen ConfigureNativeTableGen)
    112 
    113       add_dependencies(${target} ${project}NativeTableGen)
    114     endif()
    115   endif()
    116 
    117   if( MINGW )
    118     target_link_libraries(${target} imagehlp psapi)
    119     if(CMAKE_SIZEOF_VOID_P MATCHES "8")
    120       set_target_properties(${target} PROPERTIES LINK_FLAGS -Wl,--stack,16777216)
    121     endif(CMAKE_SIZEOF_VOID_P MATCHES "8")
    122   endif( MINGW )
    123   if( LLVM_ENABLE_THREADS AND HAVE_LIBPTHREAD AND NOT BEOS )
    124     target_link_libraries(${target} pthread)
    125   endif()
    126 
    127   install(TARGETS ${target} RUNTIME DESTINATION bin)
    128 endmacro()
    129