# Extra parameters for `tblgen' may come after `ofn' parameter.
# Adds the name of the generated file to TABLEGEN_OUTPUT.
-macro(tablegen ofn)
+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 "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td")
+ file(GLOB_RECURSE global_tds "${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
+ set(LLVM_TARGET_DEFINITIONS_ABSOLUTE
${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS})
endif()
- add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}
+ 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}
+ 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}
+ ${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}
- # Either way, we no longer need the temporary file.
- COMMAND ${CMAKE_COMMAND} -E remove ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
- DEPENDS tblgen ${local_tds} ${global_tds}
- COMMENT "Building ${ofn}..."
+ DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
+ COMMENT "Updating ${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)
+
+ # `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 ${LLVM_NATIVE_BUILD}
+ COMMENT "Building libLLVMSupport for native TableGen...")
+ add_custom_target(NATIVE_LIB_LLVMSUPPORT DEPENDS LIB_LLVMSUPPORT)
+endif(LLVM_USE_HOST_TOOLS)
+
+macro(add_tablegen target project)
+ set(${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
+ 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()