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.
6 file(GLOB local_tds "*.td")
7 file(GLOB_RECURSE global_tds "${LLVM_MAIN_SRC_DIR}/include/llvm/*.td")
9 if (IS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
10 set(LLVM_TARGET_DEFINITIONS_ABSOLUTE ${LLVM_TARGET_DEFINITIONS})
12 set(LLVM_TARGET_DEFINITIONS_ABSOLUTE
13 ${CMAKE_CURRENT_SOURCE_DIR}/${LLVM_TARGET_DEFINITIONS})
15 add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${ofn}.tmp
16 # Generate tablegen output in a temporary file.
17 COMMAND ${LLVM_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 ${LLVM_TABLEGEN_EXE} ${local_tds} ${global_tds}
25 ${LLVM_TARGET_DEFINITIONS_ABSOLUTE}
26 COMMENT "Building ${ofn}..."
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
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
39 # `make clean' must remove all those generated files:
40 set_property(DIRECTORY APPEND
41 PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${ofn}.tmp ${ofn})
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)