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|
#
# Copyright (c) 2018-2025, Intel Corporation
#
# SPDX-License-Identifier: BSD-3-Clause
#
# ispc GenerateBuiltins.cmake
#
function(write_target_bitcode_lib name target os bit)
determine_arch_and_os(${target} ${bit} ${os} fixed_arch fixed_os)
string(REPLACE "-" "_" target ${target})
file(APPEND ${CMAKE_BINARY_DIR}/bitcode_libs_generated.cpp
"static BitcodeLib ${name}(\"${name}.bc\", ISPCTarget::${target}, TargetOS::${fixed_os}, Arch::${fixed_arch});\n")
endfunction()
function(write_common_bitcode_lib name os arch)
if ("${arch}" STREQUAL "i686")
set(arch "x86")
elseif ("${arch}" STREQUAL "armv8a")
set(arch "arm")
endif()
file(APPEND ${CMAKE_BINARY_DIR}/bitcode_libs_generated.cpp
"static BitcodeLib ${name}(\"${name}.bc\", TargetOS::${os}, Arch::${arch});\n")
endfunction()
function(write_dispatch_bitcode_lib name os)
file(APPEND ${CMAKE_BINARY_DIR}/bitcode_libs_generated.cpp
"static BitcodeLib ${name}(\"${name}.bc\", TargetOS::${os});\n")
endfunction()
find_program(M4_EXECUTABLE m4)
if (NOT M4_EXECUTABLE)
message(FATAL_ERROR "Failed to find M4 macro processor" )
endif()
message(STATUS "M4 macro processor: " ${M4_EXECUTABLE})
# Explicitly enumerate .ll and .m4 files included by target .ll files.
# This is overly conservative, as they are added to every target .ll file.
# But m4 doesn't support building depfile, so explicit enumeration is the
# easiest workaround.
list(APPEND M4_IMPLICIT_DEPENDENCIES
builtins/builtins-cm-32.ll
builtins/builtins-cm-64.ll
builtins/svml.m4
builtins/target-avx-utils.ll
builtins/target-avx512-utils.ll
builtins/target-neon-common.ll
builtins/target-sse2-common.ll
builtins/target-sse4-common.ll
builtins/target-xe.ll
builtins/util-xe.m4
builtins/util.m4)
function(target_ll_to_cpp target bit os CPP_LIST BC_LIST)
set(input builtins/target-${target}.ll)
set(include builtins)
string(TOUPPER ${os} OS_UP)
set(name builtins-target-${target}-${bit}bit-${os})
string(REPLACE "-" "_" name ${name})
set(cpp ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}.cpp)
set(bc ${BITCODE_FOLDER}/${name}.bc)
write_target_bitcode_lib(${name} ${target} ${os} ${bit})
add_custom_command(
OUTPUT ${bc}
COMMAND ${M4_EXECUTABLE} -I${include} -DBUILD_OS=${OS_UP} -DRUNTIME=${bit} ${input}
| \"${LLVM_AS_EXECUTABLE}\" -o ${bc}
DEPENDS ${input} ${M4_IMPLICIT_DEPENDENCIES}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_command(
OUTPUT ${cpp}
COMMAND ${Python3_EXECUTABLE} ${BITCODE2CPP} ${bc} --type=ispc-target --runtime=${bit} --os=${OS_UP} ${cpp}
DEPENDS ${bc} ${BITCODE2CPP}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set(tmp_list_cpp ${${CPP_LIST}})
list(APPEND tmp_list_cpp ${cpp})
set(${CPP_LIST} ${tmp_list_cpp} PARENT_SCOPE)
set(tmp_list_bc ${${BC_LIST}})
list(APPEND tmp_list_bc ${bc})
set(${BC_LIST} ${tmp_list_bc} PARENT_SCOPE)
endfunction()
function(generate_dispatcher os)
set(input builtins/dispatch.c)
set(DISP_TYPE -DREGULAR)
set(name "builtins-dispatch")
if (${os} STREQUAL "macos")
set(DISP_TYPE -DMACOS)
set(name "builtins-dispatch-macos")
endif()
string(REPLACE "-" "_" name ${name})
set(cpp ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}.cpp)
set(bc ${BITCODE_FOLDER}/${name}.bc)
write_dispatch_bitcode_lib(${name} ${os})
set(EXTRA_OPTS "")
if (NOT WIN32)
set(EXTRA_OPTS "-fPIC")
endif()
add_custom_command(
OUTPUT ${bc}
COMMAND ${CLANGPP_EXECUTABLE} -x c ${DISP_TYPE} -I${CMAKE_SOURCE_DIR}/src ${EXTRA_OPTS} --target=x86_64-unknown-unknown -march=core2 -mtune=generic -O2 -emit-llvm ${input} -c -o ${bc}
DEPENDS ${input} ${CMAKE_SOURCE_DIR}/src/isa.h
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_command(
OUTPUT ${cpp}
COMMAND ${Python3_EXECUTABLE} ${BITCODE2CPP} ${bc} --type=dispatch --os=${os} ${cpp}
DEPENDS ${bc} ${BITCODE2CPP}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set(tmp_list_cpp ${DISPATCH_BUILTIN_CPP_FILES})
list(APPEND tmp_list_cpp ${cpp})
set(DISPATCH_BUILTIN_CPP_FILES ${tmp_list_cpp} PARENT_SCOPE)
set(tmp_list_bc ${DISPATCH_BUILTIN_BC_FILES})
list(APPEND tmp_list_bc ${bc})
set(DISPATCH_BUILTIN_BC_FILES ${tmp_list_bc} PARENT_SCOPE)
endfunction()
function(builtin_wasm_to_cpp bit os arch)
set(input builtins/builtins-c-cpu.cpp)
set(name builtins-cpp-${bit}-${os}-${arch})
string(REPLACE "-" "_" name ${name})
# Report supported targets.
message (STATUS "Enabling target: ${os} / ${arch}")
set(cpp ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}.cpp)
set(bc ${BITCODE_FOLDER}/${name}.bc)
write_common_bitcode_lib(${name} ${os} ${arch})
list(APPEND flags
-DWASM -s WASM_OBJECT_FILES=0 -I${CMAKE_SOURCE_DIR} --std=gnu++17 -S -emit-llvm)
if("${bit}" STREQUAL "64")
list(APPEND flags "-sMEMORY64")
endif()
add_custom_command(
OUTPUT ${bc}
COMMAND ${EMCC_EXECUTABLE} ${flags} ${input} -o -
| \"${LLVM_AS_EXECUTABLE}\" -o ${bc}
DEPENDS ${input}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_command(
OUTPUT ${cpp}
COMMAND ${Python3_EXECUTABLE} ${BITCODE2CPP} ${bc} --type=builtins-c --runtime=${bit} --os=${os} --arch=${arch} ${cpp}
DEPENDS ${bc} ${BITCODE2CPP}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set(tmp_list_cpp ${COMMON_BUILTIN_CPP_FILES})
list(APPEND tmp_list_cpp ${cpp})
set(COMMON_BUILTIN_CPP_FILES ${tmp_list_cpp} PARENT_SCOPE)
set(tmp_list_bc ${COMMON_BUILTIN_BC_FILES})
list(APPEND tmp_list_bc ${bc})
set(COMMON_BUILTIN_BC_FILES ${tmp_list_bc} PARENT_SCOPE)
endfunction()
function (get_target_flags os arch out)
# Determine triple
set(fpic "")
set(debian_triple)
if (${os} STREQUAL "windows")
set(triple ${arch}-pc-win32)
elseif (${os} STREQUAL "linux")
if (${arch} STREQUAL "i686" OR ${arch} STREQUAL "x86_64" OR ${arch} STREQUAL "aarch64")
set(triple ${arch}-unknown-linux-gnu)
set(debian_triple ${arch}-linux-gnu)
elseif (${arch} STREQUAL "armv8a")
set(triple ${arch}-unknown-linux-gnueabihf)
set(debian_triple arm-linux-gnueabihf)
else()
message(FATAL_ERROR "Error")
endif()
set(fpic -fPIC)
elseif (${os} STREQUAL "freebsd")
set(triple ${arch}-unknown-freebsd)
set(fpic -fPIC)
elseif (${os} STREQUAL "macos")
set(triple ${arch}-apple-macosx)
elseif (${os} STREQUAL "android")
set(triple ${arch}-unknown-linux-android)
set(fpic -fPIC)
elseif (${os} STREQUAL "ios")
set(triple ${arch}-apple-ios)
elseif (${os} STREQUAL "ps4")
set(triple ${arch}-scei-ps)
set(fpic -fPIC)
elseif (${os} STREQUAL "web")
set(triple ${arch}-unknown-unknown)
set(fpic -fPIC)
else()
message(FATAL_ERROR "Error")
endif()
# Determine include path
if (WIN32)
if (${os} STREQUAL "windows")
set(include "")
elseif(${os} STREQUAL "macos")
# -isystemC:/iusers/MacOSX10.14.sdk.tar/MacOSX10.14.sdk/usr/include
set(include -isystem${ISPC_MACOS_SDK_PATH}/usr/include)
else()
# -isystemC:/gnuwin32/include/glibc
set(include -isystem${ISPC_GNUWIN32_PATH}/include/glibc)
endif()
elseif (APPLE)
if (${os} STREQUAL "ios")
# -isystem/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/include/
set(include -isystem${ISPC_IOS_SDK_PATH}/usr/include)
elseif (${os} STREQUAL "linux" OR ${os} STREQUAL "android" OR ${os} STREQUAL "freebsd")
if (${arch} STREQUAL "armv8a")
# -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include/arm-linux-androideabi
set(include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include/arm-linux-androideabi)
elseif (${arch} STREQUAL "aarch64")
# -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include/aarch64-linux-android
set(include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include/aarch64-linux-android)
elseif(${arch} STREQUAL "i686")
# -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include/i686-linux-android
set(include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include/i686-linux-android)
else()
# -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include -isystem/Users/Shared/android-ndk-r20/sysroot/usr/include/x86_64-linux-android
set(include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include -isystem${ISPC_ANDROID_NDK_PATH}/sysroot/usr/include/x86_64-linux-android)
endif()
elseif (${os} STREQUAL "macos")
set(include -isystem${ISPC_MACOS_SDK_PATH}/usr/include)
endif()
else()
if (${os} STREQUAL "macos")
# -isystem/iusers/MacOSX10.14.sdk.tar/MacOSX10.14.sdk/usr/include
set(include -isystem${ISPC_MACOS_SDK_PATH}/usr/include)
elseif(NOT ${debian_triple} STREQUAL "")
# When compiling on Linux, there are two way to support cross targets:
# - add "foreign" architecture to the set of supported architectures and install corresponding toolchain.
# For example on aarch64: "dpkg --add-architecture armhf" and "apt-get install libc6-dev:armhf".
# In this case the headers will be installed in /usr/include/arm-linux-gnueabihf and will be
# automatically picked up by clang.
# - install cross library. For example: "apt-get install libc6-dev-armhf-cross".
# In this case headers will be installed in /usr/arm-linux-gnueabihf/include and will not be picked up
# by clang by default. So the following line adds such path explicitly. If this path doesn't exist and
# the headers can be found in other locations, this should not be a problem.
set(include -isystem/usr/${debian_triple}/include)
endif()
endif()
# Compose target flags
set(${out} --target=${triple} ${fpic} ${include} PARENT_SCOPE)
endfunction()
function(builtin_to_cpp bit os generic_arch)
set(input builtins/builtins-c-cpu.cpp)
set(include "")
if ("${bit}" STREQUAL "32" AND ${generic_arch} STREQUAL "x86")
set(arch "i686")
elseif ("${bit}" STREQUAL "64" AND ${generic_arch} STREQUAL "x86")
set(arch "x86_64")
elseif ("${bit}" STREQUAL "32" AND ${generic_arch} STREQUAL "arm")
set(arch "armv8a")
elseif ("${bit}" STREQUAL "64" AND ${generic_arch} STREQUAL "arm")
set(arch "aarch64")
else()
message(FATAL_ERROR "Error")
endif()
# Report supported targets.
message (STATUS "Enabling target: ${os} / ${arch}")
get_target_flags(${os} ${arch} target_flags)
list(APPEND flags ${target_flags}
-I${CMAKE_SOURCE_DIR} -m${bit} -S -emit-llvm --std=gnu++17
)
set(name builtins-cpp-${bit}-${os}-${arch})
string(REPLACE "-" "_" name ${name})
set(cpp ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}.cpp)
set(bc ${BITCODE_FOLDER}/${name}.bc)
write_common_bitcode_lib(${name} ${os} ${arch})
add_custom_command(
OUTPUT ${bc}
COMMAND ${CLANGPP_EXECUTABLE} ${flags} ${input} -o -
| \"${LLVM_AS_EXECUTABLE}\" -o ${bc}
DEPENDS ${input}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_command(
OUTPUT ${cpp}
COMMAND ${Python3_EXECUTABLE} ${BITCODE2CPP} ${bc} --type=builtins-c --runtime=${bit} --os=${os} --arch=${arch} ${cpp}
DEPENDS ${bc} ${BITCODE2CPP}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set(tmp_list_cpp ${COMMON_BUILTIN_CPP_FILES})
list(APPEND tmp_list_cpp ${cpp})
set(COMMON_BUILTIN_CPP_FILES ${tmp_list_cpp} PARENT_SCOPE)
set(tmp_list_bc ${COMMON_BUILTIN_BC_FILES})
list(APPEND tmp_list_bc ${bc})
set(COMMON_BUILTIN_BC_FILES ${tmp_list_bc} PARENT_SCOPE)
endfunction()
function(builtin_xe_to_cpp os)
set(bit 64)
set(arch xe64)
set(name builtins-cm-${bit})
set(input builtins/${name}.ll)
string(REPLACE "-" "_" name ${name})
set(cpp ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${name}.cpp)
set(bc ${BITCODE_FOLDER}/${name}.bc)
write_common_bitcode_lib(${name} ${os} ${arch})
add_custom_command(
OUTPUT ${bc}
COMMAND cat ${input} | \"${LLVM_AS_EXECUTABLE}\" -o ${bc}
DEPENDS ${input}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
add_custom_command(
OUTPUT ${cpp}
COMMAND ${Python3_EXECUTABLE} ${BITCODE2CPP} ${bc} --type=builtins-c --runtime=${bit} --os=${os} --arch=${arch} ${cpp}
DEPENDS ${bc} ${BITCODE2CPP}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
set(tmp_list_cpp ${COMMON_BUILTIN_CPP_FILES})
list(APPEND tmp_list_cpp ${cpp})
set(COMMON_BUILTIN_CPP_FILES ${tmp_list_cpp} PARENT_SCOPE)
set(tmp_list_bc ${COMMON_BUILTIN_BC_FILES})
list(APPEND tmp_list_bc ${bc})
set(COMMON_BUILTIN_BC_FILES ${tmp_list_bc} PARENT_SCOPE)
endfunction()
function (generate_dispatch_builtins)
if (X86_ENABLED)
# If we build ISPC without X86 support, we don't need to generate x86
# specific dispatch code.
generate_dispatcher("linux")
generate_dispatcher("macos")
endif()
if (MSVC)
# Group generated files inside Visual Studio
source_group("Generated Dispatch Builtins" FILES ${DISPATCH_BUILTIN_CPP_FILES})
endif()
set_source_files_properties(${DISPATCH_BUILTIN_CPP_FILES} PROPERTIES GENERATED true)
add_custom_target(dispatch-builtins-bc DEPENDS ${DISPATCH_BUILTIN_BC_FILES})
add_custom_target(dispatch-builtins-cpp DEPENDS dispatch-builtins-bc)
set_target_properties(dispatch-builtins-cpp PROPERTIES SOURCES "${DISPATCH_BUILTIN_CPP_FILES}")
add_dependencies(builtins-cpp dispatch-builtins-cpp)
add_dependencies(builtins-bc dispatch-builtins-bc)
set(DISPATCH_BUILTIN_CPP_FILES ${DISPATCH_BUILTIN_CPP_FILES} PARENT_SCOPE)
set(DISPATCH_BUILTIN_BC_FILES ${DISPATCH_BUILTIN_BC_FILES} PARENT_SCOPE)
endfunction()
function (generate_target_builtins)
generate_stdlib_or_target_builtins(target_ll_to_cpp dummy TARGET_BUILTIN_CPP_FILES TARGET_BUILTIN_BC_FILES)
if (MSVC)
# Group generated files inside Visual Studio
source_group("Generated Target Builtins" FILES ${TARGET_BUILTIN_CPP_FILES})
endif()
set_source_files_properties(${TARGET_BUILTIN_CPP_FILES} PROPERTIES GENERATED true)
add_custom_target(target-builtins-bc DEPENDS ${TARGET_BUILTIN_BC_FILES})
add_custom_target(target-builtins-cpp DEPENDS target-builtins-bc)
set_target_properties(target-builtins-cpp PROPERTIES SOURCES "${TARGET_BUILTIN_CPP_FILES}")
add_dependencies(builtins-cpp target-builtins-cpp)
add_dependencies(builtins-bc target-builtins-bc)
set(TARGET_BUILTIN_CPP_FILES ${TARGET_BUILTIN_CPP_FILES} PARENT_SCOPE)
set(TARGET_BUILTIN_BC_FILES ${TARGET_BUILTIN_BC_FILES} PARENT_SCOPE)
endfunction()
function (generate_common_builtins)
if (ISPC_LINUX_TARGET AND ARM_ENABLED)
builtin_to_cpp(32 linux arm)
builtin_to_cpp(64 linux arm)
endif()
if (ISPC_LINUX_TARGET AND X86_ENABLED)
builtin_to_cpp(32 linux x86)
builtin_to_cpp(64 linux x86)
endif()
if (ISPC_ANDROID_TARGET AND ARM_ENABLED)
builtin_to_cpp(32 android arm)
builtin_to_cpp(64 android arm)
endif()
if (ISPC_ANDROID_TARGET AND X86_ENABLED)
builtin_to_cpp(32 android x86)
builtin_to_cpp(64 android x86)
endif()
if (ISPC_FREEBSD_TARGET AND ARM_ENABLED)
builtin_to_cpp(32 freebsd arm)
builtin_to_cpp(64 freebsd arm)
endif()
if (ISPC_FREEBSD_TARGET AND X86_ENABLED)
builtin_to_cpp(32 freebsd x86)
builtin_to_cpp(64 freebsd x86)
endif()
if (ISPC_WINDOWS_TARGET AND ARM_ENABLED)
builtin_to_cpp(64 windows arm)
endif()
if (ISPC_WINDOWS_TARGET AND X86_ENABLED)
builtin_to_cpp(32 windows x86)
builtin_to_cpp(64 windows x86)
endif()
if (ISPC_MACOS_TARGET AND ARM_ENABLED)
builtin_to_cpp(64 macos arm)
endif()
if (ISPC_MACOS_TARGET AND X86_ENABLED)
builtin_to_cpp(64 macos x86)
endif()
if (ISPC_IOS_TARGET AND ARM_ENABLED)
builtin_to_cpp(64 ios arm)
endif()
if (ISPC_PS_TARGET AND X86_ENABLED)
builtin_to_cpp(64 ps4 x86)
endif()
if (WIN32)
builtin_xe_to_cpp(windows)
elseif (APPLE)
# no xe support
else()
builtin_xe_to_cpp(linux)
endif()
if (WASM_ENABLED)
builtin_wasm_to_cpp(32 web wasm32)
builtin_wasm_to_cpp(64 web wasm64)
endif()
if (MSVC)
# Group generated files inside Visual Studio
source_group("Generated Common Builtins" FILES ${COMMON_BUILTIN_CPP_FILES})
endif()
set_source_files_properties(${COMMON_BUILTIN_CPP_FILES} PROPERTIES GENERATED true)
add_custom_target(common-builtins-bc DEPENDS ${COMMON_BUILTIN_BC_FILES})
add_custom_target(common-builtins-cpp DEPENDS common-builtins-bc)
set_target_properties(common-builtins-cpp PROPERTIES SOURCES "${COMMON_BUILTIN_CPP_FILES}")
add_dependencies(builtins-cpp common-builtins-cpp)
add_dependencies(builtins-bc common-builtins-bc)
set(COMMON_BUILTIN_CPP_FILES ${COMMON_BUILTIN_CPP_FILES} PARENT_SCOPE)
set(COMMON_BUILTIN_BC_FILES ${COMMON_BUILTIN_BC_FILES} PARENT_SCOPE)
endfunction()
function (generate_builtins)
file(WRITE ${CMAKE_BINARY_DIR}/bitcode_libs_generated.cpp)
add_custom_target(builtins-bc)
add_custom_target(builtins-cpp)
generate_dispatch_builtins()
generate_target_builtins()
generate_common_builtins()
add_library(builtin OBJECT EXCLUDE_FROM_ALL
${DISPATCH_BUILTIN_CPP_FILES} ${COMMON_BUILTIN_CPP_FILES} ${TARGET_BUILTIN_CPP_FILES})
add_dependencies(builtin builtins-cpp)
endfunction()
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