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|
set(CL_HEADERS_LIB cl_headers)
if(USE_PREBUILT_LLVM)
find_program(CLANG_COMMAND clang PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
else()
set(CLANG_COMMAND $<TARGET_FILE:clang>)
endif()
if(LLVM_USE_HOST_TOOLS AND NOT OPENCL_CLANG_BUILD_EXTERNAL)
build_native_tool(clang CLANG_COMMAND)
endif()
function(copy_file SRC DST)
add_custom_command(
OUTPUT ${DST}
MAIN_DEPENDENCY ${SRC}
COMMAND ${CMAKE_COMMAND} -E copy "${SRC}" "${DST}"
COMMENT "Copying '${SRC}' to ${DST}"
)
endfunction(copy_file)
if(USE_PREBUILT_LLVM)
set(OPENCL_HEADERS_DIR
"${LLVM_LIBRARY_DIRS}/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}/include/")
else(USE_PREBUILT_LLVM)
set(OPENCL_HEADERS_DIR "${CLANG_SOURCE_DIR}/lib/Headers")
endif(USE_PREBUILT_LLVM)
copy_file(${OPENCL_HEADERS_DIR}/opencl-c.h opencl-c.h)
copy_file(${OPENCL_HEADERS_DIR}/opencl-c-base.h opencl-c-base.h)
copy_file(${CMAKE_CURRENT_SOURCE_DIR}/module.modulemap module.modulemap)
add_custom_target (
opencl.headers.target
DEPENDS
module.modulemap
opencl-c.h
opencl-c-base.h
)
function(create_pcm DST MODULE HEADER OPTS DEPS)
add_custom_command (
OUTPUT ${DST}
MAIN_DEPENDENCY ${MODMAP}
DEPENDS ${HEADER} ${DEPS} ${CLANG_COMMAND}
COMMAND
${CLANG_COMMAND} -cc1 -x cl
-I. -O0 ${OPTS}
-fmodules -fmodule-name=${MODULE} -fmodule-map-file-home-is-cwd
-emit-module "module.modulemap"
-fno-validate-pch
-o ${DST}
VERBATIM
COMMENT "Generating ${DST}"
)
endfunction(create_pcm)
set(CL12 "-cl-std=CL1.2")
set(CL20 "-cl-std=CL2.0")
set(CL30 "-cl-std=CL3.0")
# Add OpenCL C 3.0 Optional features
set(OPTS30 "-cl-ext=+__opencl_c_3d_image_writes,+__opencl_c_atomic_order_acq_rel,+__opencl_c_atomic_order_seq_cst,+__opencl_c_atomic_scope_device,+__opencl_c_atomic_scope_all_devices,+__opencl_c_device_enqueue,+__opencl_c_generic_address_space,+__opencl_c_images,+__opencl_c_int64,+__opencl_c_pipes,+__opencl_c_program_scope_global_variables,+__opencl_c_read_write_images,+__opencl_c_subgroups,+__opencl_c_work_group_collective_functions")
set(OPTS30_FP64 "-D__opencl_c_fp64=1")
set(SPIR_TRIPLE "-triple;spir-unknown-unknown")
set(SPIR64_TRIPLE "-triple;spir64-unknown-unknown")
if (BUILD_X64)
set(HOST_TRIPLE "${SPIR64_TRIPLE}")
else()
set(HOST_TRIPLE "${SPIR_TRIPLE}")
endif()
set(OPTS -cl-ext=+all,-cl_khr_fp64,-__opencl_c_fp64)
create_pcm(opencl-c-12-spir.pcm cl12spir opencl-c-base.h "${SPIR_TRIPLE};${CL12};${OPTS}" "${DEPS}")
create_pcm(opencl-c-20-spir.pcm cl20spir opencl-c-base.h "${SPIR_TRIPLE};${CL20};${OPTS}" "${DEPS}")
create_pcm(opencl-c-30-spir.pcm cl30spir opencl-c-base.h "${SPIR_TRIPLE};${CL30};${OPTS};${OPTS30}" "${DEPS}")
create_pcm(opencl-c-12-spir64.pcm cl12spir64 opencl-c-base.h "${SPIR64_TRIPLE};${CL12};${OPTS}" "${DEPS}")
create_pcm(opencl-c-20-spir64.pcm cl20spir64 opencl-c-base.h "${SPIR64_TRIPLE};${CL20};${OPTS}" "${DEPS}")
create_pcm(opencl-c-30-spir64.pcm cl30spir64 opencl-c-base.h "${SPIR64_TRIPLE};${CL30};${OPTS};${OPTS30}" "${DEPS}")
set(OPTS -cl-ext=+all)
create_pcm(opencl-c-12-spir-fp64.pcm cl12spirfp64 opencl-c-base.h "${SPIR_TRIPLE};${CL12};${OPTS}" "${DEPS}")
create_pcm(opencl-c-20-spir-fp64.pcm cl20spirfp64 opencl-c-base.h "${SPIR_TRIPLE};${CL20};${OPTS}" "${DEPS}")
create_pcm(opencl-c-30-spir-fp64.pcm cl30spirfp64 opencl-c-base.h "${SPIR_TRIPLE};${CL30};${OPTS};${OPTS30};${OPTS30_FP64}" "${DEPS}")
create_pcm(opencl-c-12-spir64-fp64.pcm cl12spir64fp64 opencl-c-base.h "${SPIR64_TRIPLE};${CL12};${OPTS}" "${DEPS}")
create_pcm(opencl-c-20-spir64-fp64.pcm cl20spir64fp64 opencl-c-base.h "${SPIR64_TRIPLE};${CL20};${OPTS}" "${DEPS}")
create_pcm(opencl-c-30-spir64-fp64.pcm cl30spir64fp64 opencl-c-base.h "${SPIR64_TRIPLE};${CL30};${OPTS};${OPTS30};${OPTS30_FP64}" "${DEPS}")
add_custom_target (
opencl.pcm.target
DEPENDS
opencl.headers.target
opencl-c-12-spir.pcm
opencl-c-20-spir.pcm
opencl-c-30-spir.pcm
opencl-c-12-spir64.pcm
opencl-c-20-spir64.pcm
opencl-c-30-spir64.pcm
opencl-c-12-spir-fp64.pcm
opencl-c-20-spir-fp64.pcm
opencl-c-30-spir-fp64.pcm
opencl-c-12-spir64-fp64.pcm
opencl-c-20-spir64-fp64.pcm
opencl-c-30-spir64-fp64.pcm
)
function(pack_to_obj SRC DST TAG)
add_custom_command (
OUTPUT ${DST}
DEPENDS ${SRC} linux_resource_linker
COMMAND ${LINUX_RESOURCE_LINKER_COMMAND} "${SRC}" "${DST}" "${TAG}"
COMMENT "Packing ${SRC}"
)
endfunction(pack_to_obj)
if(WIN32)
list(APPEND CL_HEADERS_SRC OpenCL.rc)
else()
pack_to_obj(opencl-c.h opencl-c.h.cpp "PCM_OPENCL_C_H")
pack_to_obj(opencl-c-base.h opencl-c-base.h.cpp "PCM_OPENCL_C_BASE_H")
list(APPEND CL_HEADERS_SRC
opencl-c.h.cpp
opencl-c-base.h.cpp
opencl-c-12-spir.mod.cpp
opencl-c-20-spir.mod.cpp
opencl-c-30-spir.mod.cpp
opencl-c-12-spir64.mod.cpp
opencl-c-20-spir64.mod.cpp
opencl-c-30-spir64.mod.cpp
opencl-c-12-spir-fp64.mod.cpp
opencl-c-20-spir-fp64.mod.cpp
opencl-c-30-spir-fp64.mod.cpp
opencl-c-12-spir64-fp64.mod.cpp
opencl-c-20-spir64-fp64.mod.cpp
opencl-c-30-spir64-fp64.mod.cpp
module.modulemap.cpp
)
# note the .pcm -> .mod extension change
# this is a workaround for CMake bug that caused
# dependency cycle in generated build rules
pack_to_obj(opencl-c-12-spir.pcm opencl-c-12-spir.mod.cpp "PCM_OPENCL_C_12_SPIR_PCM")
pack_to_obj(opencl-c-20-spir.pcm opencl-c-20-spir.mod.cpp "PCM_OPENCL_C_20_SPIR_PCM")
pack_to_obj(opencl-c-30-spir.pcm opencl-c-30-spir.mod.cpp "PCM_OPENCL_C_30_SPIR_PCM")
pack_to_obj(opencl-c-12-spir64.pcm opencl-c-12-spir64.mod.cpp "PCM_OPENCL_C_12_SPIR64_PCM")
pack_to_obj(opencl-c-20-spir64.pcm opencl-c-20-spir64.mod.cpp "PCM_OPENCL_C_20_SPIR64_PCM")
pack_to_obj(opencl-c-30-spir64.pcm opencl-c-30-spir64.mod.cpp "PCM_OPENCL_C_30_SPIR64_PCM")
pack_to_obj(opencl-c-12-spir-fp64.pcm opencl-c-12-spir-fp64.mod.cpp "PCM_OPENCL_C_12_SPIR_FP64_PCM")
pack_to_obj(opencl-c-20-spir-fp64.pcm opencl-c-20-spir-fp64.mod.cpp "PCM_OPENCL_C_20_SPIR_FP64_PCM")
pack_to_obj(opencl-c-30-spir-fp64.pcm opencl-c-30-spir-fp64.mod.cpp "PCM_OPENCL_C_30_SPIR_FP64_PCM")
pack_to_obj(opencl-c-12-spir64-fp64.pcm opencl-c-12-spir64-fp64.mod.cpp "PCM_OPENCL_C_12_SPIR64_FP64_PCM")
pack_to_obj(opencl-c-20-spir64-fp64.pcm opencl-c-20-spir64-fp64.mod.cpp "PCM_OPENCL_C_20_SPIR64_FP64_PCM")
pack_to_obj(opencl-c-30-spir64-fp64.pcm opencl-c-30-spir64-fp64.mod.cpp "PCM_OPENCL_C_30_SPIR64_FP64_PCM")
pack_to_obj(module.modulemap module.modulemap.cpp "PCM_OPENCL_C_MODULE_MAP")
endif()
add_library(${CL_HEADERS_LIB} OBJECT
${CL_HEADERS_SRC}
)
add_dependencies(${CL_HEADERS_LIB} opencl.pcm.target)
install(FILES
${CMAKE_CURRENT_BINARY_DIR}/opencl-c.h
${CMAKE_CURRENT_BINARY_DIR}/opencl-c-base.h
${CMAKE_CURRENT_BINARY_DIR}/module.modulemap
DESTINATION include/cclang
)
|
