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CMakeLists.txt
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#
# Copyright (c) 2018-2025, Intel Corporation
#
# SPDX-License-Identifier: BSD-3-Clause
#
# ispc CMakeLists.txt
#
cmake_minimum_required(VERSION 3.15)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
# Set C++ standard to C++17.
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# Set C standard to C11
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_C_EXTENSIONS OFF)
if (UNIX)
if (NOT CMAKE_C_COMPILER)
set(CMAKE_C_COMPILER "clang")
endif()
if (NOT CMAKE_CXX_COMPILER)
set(CMAKE_CXX_COMPILER "clang++")
endif()
endif()
# Generate compile_commands.json by default - this enables VSCode to do better job interpretting
# C++ files form the project.
set(CMAKE_EXPORT_COMPILE_COMMANDS "ON" CACHE BOOL "Export compile commands")
if (APPLE)
# Setting ISPC_MACOS_UNIVERSAL_BINARIES to ON is conventional way of building ISPC as Universal Binary.
# If cross compilation is needed (arm64->x86_64 or x86_64->arm64), specify CMAKE_OSX_ARCHITECTURES
# on the command line explicitly
option(ISPC_MACOS_UNIVERSAL_BINARIES "Build Universal Binaries on macOS" OFF)
if (ISPC_MACOS_UNIVERSAL_BINARIES)
message(STATUS "Building Universal Binaries (x86_64+arm64)")
set(CMAKE_OSX_ARCHITECTURES "x86_64;arm64" CACHE STRING "OSX architectures")
endif()
# We need to target different minimum macOS versions on x86 and arm by default, but before
# we execute project() command, the regular CMAKE_* variables with host info are not initialized,
# so we do this hack to detect the platform. It's not perfect, but good enough.
execute_process(COMMAND uname -m OUTPUT_VARIABLE UNAME)
if (UNAME MATCHES "x86_64" OR CMAKE_OSX_ARCHITECTURES MATCHES "x86_64")
# Note: it's ok to have 10.12 for Universal Binaries.
set(CMAKE_OSX_DEPLOYMENT_TARGET "10.12" CACHE STRING "Minimum macOS version to support")
else()
set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0" CACHE STRING "Minimum macOS version to support")
endif()
message(STATUS "Targeting minimum macOS version: ${CMAKE_OSX_DEPLOYMENT_TARGET}")
endif()
set(PROJECT_NAME ispc)
set(ISPC_BUILD TRUE)
project(${PROJECT_NAME})
## Check PIE support
include(CheckPIESupported)
check_pie_supported(OUTPUT_VARIABLE CHECK_PIE_OUTPUT LANGUAGES CXX)
if(NOT CMAKE_CXX_LINK_PIE_SUPPORTED)
message(WARNING "PIE is not supported at link time: ${CHECK_PIE_OUTPUT}.\n"
"PIE link options will not be passed to linker.")
endif()
set(X86_HOST FALSE)
if (${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "amd64|AMD64|86")
set(X86_HOST TRUE)
endif()
option(X86_ENABLED "Enable x86 support" ${X86_HOST})
option(ARM_ENABLED "Enable ARM support" ON)
option(WASM_ENABLED "Enable experimental Web Assembly support" OFF)
option(XE_ENABLED "Enable Intel Xe support" OFF)
option(ISPC_INCLUDE_EXAMPLES "Generate build targets for the ISPC examples" ON)
option(ISPC_INCLUDE_DPCPP_EXAMPLES "Generate build targets for the ISPC/DPCPP interoperability examples" OFF)
option(ISPC_INCLUDE_TESTS "Generate build targets for the ISPC tests." ON)
option(ISPC_INCLUDE_BENCHMARKS "Generate build targets for the ISPC tests." OFF)
option(ISPC_INCLUDE_RT "Generate build targets for ISPC runtime." ON)
option(ISPC_INCLUDE_UTILS "Generate build targets for the utils." ON)
option(ISPC_INCLUDE_UTILS_ONLY "Generate build targets only for the utils." OFF)
option(ISPC_PREPARE_PACKAGE "Generate build targets for ispc package" OFF)
option(ISPC_PACKAGE_EXAMPLES "Pack examples into the ISPC package" ON)
option(ISPC_SLIM_BINARY "Build ISPC as slim binary" OFF)
option(ISPC_CROSS "Build ISPC with cross compilation support" OFF)
# Default settings for cross compilation
if (ISPC_CROSS)
option(ISPC_WINDOWS_TARGET "Build ISPC with windows target support" ON)
option(ISPC_LINUX_TARGET "Build ISPC with linux target support" ON)
option(ISPC_FREEBSD_TARGET "Build ISPC with freebsd target support" ON)
# It's possbile to build macOS target on Windows or Linux, but we don't do that by default.
option(ISPC_MACOS_TARGET "Build ISPC with macos target support" OFF)
option(ISPC_IOS_TARGET "Build ISPC with ios target support" ON)
option(ISPC_ANDROID_TARGET "Build ISPC with android target support" ON)
option(ISPC_PS_TARGET "Build ISPC with ps4 and ps5 targets support" ON)
# We silently disable some of cross targets. We should probably warn user or issue an error,
# but it seems good enough.
if (WIN32)
set(ISPC_IOS_TARGET OFF)
if ((ISPC_LINUX_TARGET OR ISPC_ANDROID_TARGET OR ISPC_PS_TARGET) AND NOT ISPC_GNUWIN32_PATH)
message (FATAL_ERROR "Set ISPC_GNUWIN32_PATH variable for cross compilation to Linux/Android/PS4 e.g. C:/gnuwin32")
endif()
if (ISPC_MACOS_TARGET AND NOT ISPC_MACOS_SDK_PATH)
message (FATAL_ERROR "Set ISPC_MACOS_SDK_PATH variable for cross compilation to MacOS e.g. C:/iusers/MacOSX10.14.sdk")
endif()
elseif (APPLE)
set(ISPC_MACOS_TARGET ON)
set(ISPC_WINDOWS_TARGET OFF)
set(ISPC_PS_TARGET OFF)
set(ISPC_FREEBSD_TARGET OFF)
if ((ISPC_LINUX_TARGET OR ISPC_ANDROID_TARGET) AND NOT ISPC_ANDROID_NDK_PATH)
message (FATAL_ERROR "Set ISPC_ANDROID_NDK_PATH variable for cross compilation to Linux/Android e.g. /Users/Shared/android-ndk-r20")
endif()
if (ISPC_IOS_TARGET AND NOT ISPC_IOS_SDK_PATH)
# Use standard iOS SDK location if this is not specified.
set(command "xcrun" "--show-sdk-path" "--sdk" "iphoneos")
execute_process(COMMAND ${command}
OUTPUT_VARIABLE ISPC_IOS_SDK_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
message(STATUS "Using iOS SDK path ${ISPC_IOS_SDK_PATH}")
endif()
else()
set(ISPC_WINDOWS_TARGET OFF)
set(ISPC_PS_TARGET OFF)
set(ISPC_IOS_TARGET OFF)
if (ISPC_MACOS_TARGET AND NOT ISPC_MACOS_SDK_PATH)
message (FATAL_ERROR "Set ISPC_MACOS_SDK_PATH variable for cross compilation to MacOS e.g. /iusers/MacOSX10.14.sdk")
endif()
endif()
else()
if (WIN32)
set(ISPC_WINDOWS_TARGET ON)
elseif (APPLE)
set(ISPC_MACOS_TARGET ON)
elseif (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
set(ISPC_FREEBSD_TARGET ON)
else()
set(ISPC_LINUX_TARGET ON)
endif()
endif()
if (ISPC_LINUX_TARGET OR ISPC_ANDROID_TARGET OR ISPC_PS_TARGET
OR ISPC_FREEBSD_TARGET OR ISPC_IOS_TARGET OR ISPC_MACOS_TARGET)
set(ISPC_UNIX_TARGET ON)
else()
set(ISPC_UNIX_TARGET OFF)
endif()
if (APPLE)
# Use standard macOS SDK location if this is not specified.
if (NOT ISPC_MACOS_SDK_PATH)
set(command "xcrun" "--show-sdk-path")
execute_process(COMMAND ${command}
OUTPUT_VARIABLE ISPC_MACOS_SDK_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
message(STATUS "Using macOS SDK path ${ISPC_MACOS_SDK_PATH}")
endif()
# Workaround CMake/CPack issue https://gitlab.kitware.com/cmake/cmake/-/issues/24601
# When llvm toolchain is presented in PATH, llvm-strip is preferred over
# macOS strip. However, CPack fails to correctly call llvm-strip because it
# adds flags like `-u` that are macOS strip specific.
# It may be removed later when CMake fixes ambiguity.
if (${CMAKE_VERSION} VERSION_LESS "3.27.0")
set(CMAKE_STRIP strip)
endif()
endif()
set(ISPC_MACOS_ARM_TARGET OFF)
if (ISPC_MACOS_TARGET AND ISPC_MACOS_SDK_PATH)
# Get macOS SDK version.
# xcrun is known not to work for standalone SDK or in the default environment
# on some systems (without explicitly running "xcode-select -s <path>" first).
# So we try to get the version from the SDK path first, and then fall back
# to looking at the SDK folder name.
set(command "xcrun" "--sdk" ${ISPC_MACOS_SDK_PATH} "--show-sdk-version")
execute_process(COMMAND ${command}
OUTPUT_VARIABLE SDK_VER
RESULT_VARIABLE XCRUN_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (NOT XCRUN_RESULT STREQUAL "0")
if (IS_SYMLINK ${ISPC_MACOS_SDK_PATH})
# Follow symlinks, relative and absolute.
file(READ_SYMLINK "${ISPC_MACOS_SDK_PATH}" ISPC_MACOS_SDK_PATH_NEW)
if (NOT IS_ABSOLUTE "${ISPC_MACOS_SDK_PATH_NEW}")
get_filename_component(ISPC_MACOS_SDK_PATH_DIR "${ISPC_MACOS_SDK_PATH}" DIRECTORY)
set(ISPC_MACOS_SDK_PATH_NEW "${ISPC_MACOS_SDK_PATH_DIR}/${ISPC_MACOS_SDK_PATH_NEW}")
endif()
set(ISPC_MACOS_SDK_PATH "${ISPC_MACOS_SDK_PATH_NEW}")
endif()
string(REGEX MATCH "MacOSX([0-9]*.[0-9]*).sdk" _ ${ISPC_MACOS_SDK_PATH})
set(SDK_VER "${CMAKE_MATCH_1}")
endif()
message(STATUS "MacOS_SDK version: ${SDK_VER}")
if ("${SDK_VER}" STREQUAL "")
message(WARNING "MacOS SDK version was not detected, assuming 11.0 or later, enabling ARM support")
set(ISPC_MACOS_ARM_TARGET ON)
elseif("${SDK_VER}" VERSION_GREATER_EQUAL "11.0")
message(STATUS "MacOS_SDK supports ARM (SDK ver >= 11.0)")
set(ISPC_MACOS_ARM_TARGET ON)
else()
message(STATUS "MacOS_SDK does NOT supports ARM (SDK ver < 11.0)")
endif()
endif()
# If Xe target is enabled, generate build targets for Xe examples and ISPCRT on Linux
if (XE_ENABLED)
option(ISPC_INCLUDE_XE_EXAMPLES "Generate build targets for the ISPC Xe examples" ON)
endif()
if (UNIX)
option(ISPC_STATIC_STDCXX_LINK "Link statically with libstdc++ and libgcc" OFF)
if (ISPC_PREPARE_PACKAGE AND (NOT APPLE))
option(ISPC_STATIC_LINK "Link statically (all except glibc)" ON)
else()
option(ISPC_STATIC_LINK "Link statically (all except glibc)" OFF)
endif()
option(ISPC_USE_ASAN "Build ispc with address sanitizer instrumentation using clang compiler" OFF)
endif()
# Use solution folders.
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
set(OUTPUT_DEBUG Debug/bin)
set(OUTPUT_RELEASE Release/bin)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin )
if(CMAKE_BUILD_TYPE)
# Validate build type
set(CONFIGURATION_TYPES "Debug;Release;RelWithDebInfo")
string(FIND "${CONFIGURATION_TYPES}" "${CMAKE_BUILD_TYPE}" MATCHED_CONFIG)
if (${MATCHED_CONFIG} EQUAL -1)
message(FATAL_ERROR "CMAKE_BUILD_TYPE (${CMAKE_BUILD_TYPE}) allows only the following values: ${CONFIGURATION_TYPES}")
endif()
else(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release")
message(STATUS "Build type not specified: Use Release by default.")
endif(CMAKE_BUILD_TYPE)
# Build target for utility checking host ISA
if (ISPC_INCLUDE_UTILS)
add_executable(check_isa "")
target_sources(check_isa PRIVATE tools/check_isa.cpp)
set_target_properties(check_isa PROPERTIES FOLDER "Utils")
if (NOT ISPC_PREPARE_PACKAGE)
install (TARGETS check_isa DESTINATION bin)
endif()
if (ISPC_INCLUDE_UTILS_ONLY)
# Skip the below part of CMake. It is useful when only check_isa compiling is needed.
return()
endif()
endif()
set(BITCODE2CPP "${CMAKE_CURRENT_SOURCE_DIR}/scripts/bitcode2cpp.py")
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/ispcrt/cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/FixWindowsPath.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLLVM.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Git.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/CommonStdlibBuiltins.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/GenerateBuiltins.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/GenericTargets.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Stdlib.cmake)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/Version.cmake)
# Get ispc version
get_ispc_version("${CMAKE_CURRENT_SOURCE_DIR}/common/version.h")
find_package(Python3 REQUIRED)
if (NOT Python3_Interpreter_FOUND)
message(FATAL_ERROR "Python interpreter is not found")
endif()
find_package(BISON 3.0 REQUIRED)
if (BISON_FOUND)
set(BISON_INPUT src/parse.yy)
set(BISON_CPP_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.cc)
set(BISON_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.hh
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/parse.output)
add_custom_command (
OUTPUT ${BISON_CPP_OUTPUT} ${BISON_OUTPUT}
COMMAND ${BISON_EXECUTABLE} -d -t -v
--output=${BISON_CPP_OUTPUT}
${BISON_INPUT}
MAIN_DEPENDENCY ${BISON_INPUT}
COMMENT "Generating parse.cc"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endif()
find_package(FLEX 2.6 REQUIRED)
if (FLEX_FOUND)
set(FLEX_INPUT src/lex.ll)
set(FLEX_OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lex.cpp)
add_custom_command(
OUTPUT ${FLEX_OUTPUT}
COMMAND ${FLEX_EXECUTABLE}
--outfile=${FLEX_OUTPUT}
${FLEX_INPUT}
MAIN_DEPENDENCY ${FLEX_INPUT}
COMMENT "Generating lex.cpp"
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
endif()
if (NOT X86_ENABLED AND NOT ARM_ENABLED AND NOT WASM_ENABLED AND NOT XE_ENABLED)
message( FATAL_ERROR "Either X86, ARM, WASM or XE targets need to be enabled.")
endif ()
# All possible ISPC targets
list(APPEND X86_TARGETS
sse2-i32x4 sse2-i32x8
sse4-i32x4 sse4-i32x8 sse4-i8x16 sse4-i16x8
# Note here that avx1-i32x4 is aliased to sse4-i32x4 plus avx attribute,
# sse41* targets are aliased to corresponding sse4 targets.
avx1-i32x8 avx1-i32x16 avx1-i64x4
avx2-i8x32 avx2-i16x16
avx2-i32x4 avx2-i32x8 avx2-i32x16 avx2-i64x4
avx2vnni-i32x4 avx2vnni-i32x8 avx2vnni-i32x16
avx512skx-x4 avx512skx-x8 avx512skx-x16
avx512skx-x32 avx512skx-x64
avx512icl-x4 avx512icl-x8 avx512icl-x16
avx512icl-x32 avx512icl-x64
avx512spr-x4 avx512spr-x8 avx512spr-x16 avx512spr-x32 avx512spr-x64)
list(APPEND ARM_TARGETS neon-i8x16 neon-i16x8 neon-i32x4 neon-i32x8 neon-i8x32 neon-i16x16)
list(APPEND WASM_TARGETS wasm-i32x4)
list(APPEND XE_TARGETS gen9-x16 gen9-x8 xelp-x16 xelp-x8 xehpg-x16 xehpg-x8 xehpc-x16 xehpc-x32 xelpg-x16 xelpg-x8
xe2hpg-x16 xe2hpg-x32 xe2lpg-x16 xe2lpg-x32)
if (X86_ENABLED)
list(APPEND ISPC_TARGETS ${X86_TARGETS})
endif()
if (ARM_ENABLED)
list(APPEND ISPC_TARGETS ${ARM_TARGETS})
endif()
if (WASM_ENABLED)
list(APPEND ISPC_TARGETS ${WASM_TARGETS})
endif()
if (XE_ENABLED)
list(APPEND ISPC_TARGETS ${XE_TARGETS})
endif()
if (WASM_ENABLED)
find_program(EMCC_EXECUTABLE emcc)
if (NOT EMCC_EXECUTABLE)
message(FATAL_ERROR "emcc not found!")
endif()
message(STATUS "EMCC_EXECUTABLE: ${EMCC_EXECUTABLE}")
endif()
if (${LLVM_VERSION_NUMBER} VERSION_LESS "17.0.0")
message(FATAL_ERROR "ISPC requires LLVM 17.0.0 or later")
endif()
set(CLANG_LIBRARY_LIST clangFrontend clangBasic clangEdit clangLex clangSupport clangASTMatchers)
set(LLVM_COMPONENTS engine ipo bitreader bitwriter instrumentation linker option frontendopenmp passes)
# windowsdriver is a small library introduced in LLVM 15. While it's targeted at Windows only,
# it's used in the LLVM code without any ifdef and is needed on all platforms.
# An interesting fact, that on Linux it is not required, because linker is smart enough to optimize out
# the calls to unresolved symbols. It's not the case on macOS though.
list(APPEND LLVM_COMPONENTS windowsdriver)
if (X86_ENABLED)
list(APPEND LLVM_COMPONENTS x86)
endif()
if (ARM_ENABLED)
list(APPEND LLVM_COMPONENTS arm aarch64)
endif()
if (WASM_ENABLED)
list(APPEND LLVM_COMPONENTS webassembly)
endif()
if (XE_ENABLED)
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET_MODIFIER "32")
set(PB_PATH_MODIFIER "x86")
else()
set(TARGET_MODIFIER "64")
set(PB_PATH_MODIFIER "x64")
endif()
list(APPEND XE_LIBRARY_LIST LLVMGenXIntrinsics LLVMSPIRVLib)
endif()
get_llvm_libfiles(LLVM_LIBRARY_LIST ${LLVM_COMPONENTS})
get_llvm_cppflags(LLVM_CPP_FLAGS)
if(CMAKE_GENERATOR MATCHES "Visual Studio")
# Visual Studio generator places binaries under bin/$(Configuration) subdirectory.
set(BITCODE_FOLDER ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/share/ispc)
set(INCLUDE_FOLDER ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/include)
else()
set(BITCODE_FOLDER ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/../share/ispc)
set(INCLUDE_FOLDER ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/../include)
endif()
message(STATUS "BITCODE_FOLDER is ${BITCODE_FOLDER}")
file(MAKE_DIRECTORY ${BITCODE_FOLDER})
# Defines builtin target
generate_builtins()
# Common sources between ispc-opt and ispc
list(APPEND COMMON_SOURCES
common/version.rc
common/version.h
src/bitcode_lib.cpp
src/bitcode_lib.h
src/builtins-decl.cpp
src/builtins-decl.h
src/ispc.cpp
src/ispc.h
src/ispc_version.h
src/llvmutil.cpp
src/llvmutil.h
src/target_enums.cpp
src/target_enums.h
src/target_registry.cpp
src/target_registry.h
src/util.cpp
src/util.h
)
# Source files used only in ispc
list(APPEND FRONTEND_SOURCES
${STDLIB_FILES}
${BISON_CPP_OUTPUT}
${FLEX_OUTPUT}
${CMAKE_CURRENT_SOURCE_DIR}/stdlib/stdlib.ispc
src/ast.cpp
src/ast.h
src/builtins.cpp
src/builtins.h
src/ctx.cpp
src/ctx.h
src/decl.cpp
src/decl.h
src/expr.cpp
src/expr.h
src/func.cpp
src/func.h
src/intrinsics.cpp
src/module.cpp
src/module.h
src/stmt.cpp
src/stmt.h
src/sym.cpp
src/sym.h
src/type.cpp
src/type.h
src/parse.yy
src/lex.ll
)
# ISPC optimization passes shared between ispc and ispc-opt
list(APPEND OPT_SOURCES
src/opt.cpp
src/opt.h
src/opt/CheckIRForXeTarget.cpp
src/opt/CheckIRForXeTarget.h
src/opt/GatherCoalescePass.cpp
src/opt/GatherCoalescePass.h
src/opt/IsCompileTimeConstant.cpp
src/opt/IsCompileTimeConstant.h
src/opt/ImproveMemoryOps.cpp
src/opt/ImproveMemoryOps.h
src/opt/InstructionSimplify.cpp
src/opt/InstructionSimplify.h
src/opt/IntrinsicsOptPass.cpp
src/opt/IntrinsicsOptPass.h
src/opt/LowerISPCIntrinsics.cpp
src/opt/LowerISPCIntrinsics.h
src/opt/MangleOpenCLBuiltins.cpp
src/opt/MangleOpenCLBuiltins.h
src/opt/PeepholePass.cpp
src/opt/PeepholePass.h
src/opt/RemovePersistentFuncs.cpp
src/opt/RemovePersistentFuncs.h
src/opt/ReplaceMaskedMemOps.cpp
src/opt/ReplaceMaskedMemOps.h
src/opt/ReplacePseudoMemoryOps.cpp
src/opt/ReplacePseudoMemoryOps.h
src/opt/ReplaceStdlibShiftPass.cpp
src/opt/ReplaceStdlibShiftPass.h
src/opt/ScalarizePass.cpp
src/opt/ScalarizePass.h
src/opt/XeGatherCoalescePass.cpp
src/opt/XeGatherCoalescePass.h
src/opt/XeReplaceLLVMIntrinsics.cpp
src/opt/XeReplaceLLVMIntrinsics.h
)
set(STDLIB_HEADERS core.isph stdlib.isph)
set(ALL_STDLIB_HEADERS
builtins.isph
core.isph
stdlib.isph
svml.isph
target.isph
)
set(STDLIB_ISPC_FILES stdlib/stdlib.ispc)
foreach (header ${ALL_STDLIB_HEADERS})
list(APPEND STDLIB_ISPC_FILES stdlib/include/${header})
endforeach()
# To show stdlib.ispc in VS solution:
if (WIN32)
set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/stdlib/stdlib.ispc" PROPERTIES HEADER_FILE_ONLY TRUE)
source_group("ISPC" FILES "${CMAKE_CURRENT_SOURCE_DIR}/stdlib/stdlib.ispc")
endif()
# Build definitions
string(TIMESTAMP BUILD_DATE "%Y%m%d" UTC)
list(APPEND COMPILE_DEFINITIONS
BUILD_DATE=\"${BUILD_DATE}\"
BUILD_VERSION=\"${GIT_COMMIT_HASH}\"
)
if (UNIX)
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
# Compile-time protection against static sized buffer overflows.
list(APPEND COMPILE_DEFINITIONS _FORTIFY_SOURCE=2)
endif()
else()
list(APPEND COMPILE_DEFINITIONS NOMINMAX)
if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
list(APPEND COMPILE_DEFINITIONS NDEBUG)
endif()
endif()
# TODO: It may be confusing that some CMake variables start with ISPC but some
# not. It can be also useful to have same name for CMake var and the
# corresponding macro definition. It is not clear why it make sense to have
# different ones.
if (X86_ENABLED)
list(APPEND COMPILE_DEFINITIONS ISPC_X86_ENABLED)
endif()
if (ARM_ENABLED)
list(APPEND COMPILE_DEFINITIONS ISPC_ARM_ENABLED)
endif()
if (XE_ENABLED)
list(APPEND COMPILE_DEFINITIONS ISPC_XE_ENABLED)
endif()
if (WASM_ENABLED)
list(APPEND COMPILE_DEFINITIONS ISPC_WASM_ENABLED)
endif()
# Compile definitions for cross compilation
if (ISPC_WINDOWS_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_WINDOWS_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_WINDOWS_TARGET_OFF)
endif()
if (ISPC_LINUX_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_LINUX_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_LINUX_TARGET_OFF)
endif()
if (ISPC_FREEBSD_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_FREEBSD_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_FREEBSD_TARGET_OFF)
endif()
if (ISPC_MACOS_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_MACOS_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_MACOS_TARGET_OFF)
endif()
if (ISPC_IOS_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_IOS_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_IOS_TARGET_OFF)
endif()
if (ISPC_ANDROID_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_ANDROID_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_ANDROID_TARGET_OFF)
endif()
if (ISPC_PS_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_PS_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_PS_TARGET_OFF)
endif()
if (ISPC_UNIX_TARGET)
list(APPEND COMPILE_DEFINITIONS ISPC_UNIX_TARGET_ON)
else()
list(APPEND COMPILE_DEFINITIONS ISPC_UNIX_TARGET_OFF)
endif()
# Include directories
list(APPEND INCLUDE_DIRECTORIES
${LLVM_INCLUDE_DIRS}
${XE_DEPS_DIR}/include
${CMAKE_CURRENT_SOURCE_DIR}/src
${CMAKE_CURRENT_SOURCE_DIR}/common
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_CFG_INTDIR}
${CMAKE_BINARY_DIR}
)
list(APPEND COMPILE_OPTIONS)
# Compile options
if (MSVC)
list(APPEND COMPILE_OPTIONS
/W3
/wd4018
/wd4146
/wd4244
/wd4267
/wd4624
/wd4996
)
# Security options
list(APPEND COMPILE_OPTIONS
/GS
/EHsc
)
set_source_files_properties(${FLEX_OUTPUT} PROPERTIES COMPILE_FLAGS /wd4005)
set_source_files_properties(${BISON_OUTPUT} PROPERTIES COMPILE_FLAGS /wd4005)
else()
list(APPEND COMPILE_OPTIONS
-Wall
-Wextra
-Wno-unused-parameter
-Wno-sign-compare
-Wno-unused-function
${LLVM_CPP_FLAGS}
)
# Security options for both Debug and Release builds
list(APPEND COMPILE_OPTIONS
-fstack-protector-strong
-fno-delete-null-pointer-checks
-Wformat
-Wformat-security
-fwrapv
)
# Additional security options for Release mode
# Should be combined with link-time optimization (-Wl,--gc-sections during the linking phase)
if (CMAKE_BUILD_TYPE STREQUAL "Release")
list(APPEND COMPILE_OPTIONS
-fdata-sections
-ffunction-sections
)
endif()
# Since 14.0 LLVM has switched default DWARF version from v4 to v5
# but gdb < 10.1 can't read DWARF v5.
# https://discourse.llvm.org/t/gdb-10-1-cant-read-clangs-dwarf-v5/6035
# Use DWARF v4 for ISPC build to allow debugging of ispc binary with gdb
# on Ubuntu 20.04
if (NOT CMAKE_BUILD_TYPE STREQUAL "Release")
list(APPEND COMPILE_OPTIONS -gdwarf-4)
endif()
endif()
if (NOT MSVC)
list(APPEND COMPILE_OPTIONS -fno-rtti)
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
list(APPEND COMPILE_OPTIONS
-Wno-register
-Wno-error=comment
)
# The GCC warning issues false positives when one of the allocation and
# deallocation functions is inlined into its caller but not the other.
list(APPEND COMPILE_OPTIONS -Wno-mismatched-new-delete)
else()
list(APPEND COMPILE_OPTIONS
-Wno-c99-extensions
-Wno-deprecated-register
)
endif()
if (ISPC_USE_ASAN)
list(APPEND COMPILE_OPTIONS -fsanitize=address)
endif()
endif()
list(APPEND LINK_OPTIONS_PRIVATE)
list(APPEND LINK_OPTIONS_PUBLIC)
# Link options
if (WIN32)
list(APPEND LINK_OPTIONS_PRIVATE /DYNAMICBASE)
# Control flow guard
list(APPEND LINK_OPTIONS_PRIVATE /GUARD:CF)
# When resolving statically linked import dependencies of the module, limit
# the module search path to %windows%\system32 directory only.
list(APPEND LINK_OPTIONS_PRIVATE /DEPENDENTLOADFLAG:0x800)
if (MSVC AND NOT CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
list(APPEND LINK_OPTIONS_PUBLIC /OPT:REF /OPT:ICF)
endif()
elseif (APPLE)
if(CMAKE_BUILD_TYPE MATCHES Release)
list(APPEND LINK_OPTIONS_PUBLIC "SHELL: -Wl,-dead_strip")
endif()
else()
# Common security hardening options for both Debug and Release
list(APPEND LINK_OPTIONS_PUBLIC
"SHELL: -z noexecstack"
"SHELL: -z relro"
"SHELL: -z now"
)
# Additional options for Release mode
if(CMAKE_BUILD_TYPE MATCHES Release)
list(APPEND LINK_OPTIONS_PUBLIC "SHELL: -Wl,--gc-sections")
endif()
endif()
if (ISPC_STATIC_STDCXX_LINK OR ISPC_STATIC_LINK)
list(APPEND LINK_OPTIONS_PUBLIC
-static-libgcc
-static-libstdc++
)
endif()
if (ISPC_USE_ASAN)
list(APPEND LINK_OPTIONS_PUBLIC -fsanitize=address)
endif()
list(APPEND LINK_LIBRARIES)
if (NOT WIN32 AND NOT APPLE)
# To resolve circular dependencies between libraries use --start-group/--end-group
list(APPEND LINK_LIBRARIES "-Wl,--start-group")
endif()
# Link against Clang libraries
foreach(clangLib ${CLANG_LIBRARY_LIST})
# Preferred way to build ISPC is to link it with individual clang static
# libraries. However, when they omitted it can be link with shared library
# libclang-cpp.so. Second approach would be utilized in some controlled
# environments, like in package managers for particular OSes (issue 2418).
find_library(${clangLib}Path
NAMES
"${CMAKE_STATIC_LIBRARY_PREFIX}${clangLib}${CMAKE_STATIC_LIBRARY_SUFFIX}"
clang-cpp
HINTS ${LLVM_LIBRARY_DIRS})
if (NOT ${${clangLib}Path} IN_LIST CLANG_LIBRARY_FULL_PATH_LIST)
list(APPEND CLANG_LIBRARY_FULL_PATH_LIST ${${clangLib}Path})
endif()
endforeach()
list(APPEND LINK_LIBRARIES ${CLANG_LIBRARY_FULL_PATH_LIST})
# Link against LLVM libraries
list(APPEND LINK_LIBRARIES ${LLVM_LIBRARY_LIST} ${CMAKE_DL_LIBS})
if (XE_ENABLED)
# Link against Xe libraries
foreach(xeLib ${XE_LIBRARY_LIST})
find_library(${xeLib}Path NAMES ${xeLib} HINTS ${XE_DEPS_DIR}/lib)
list(APPEND XE_LIBRARY_FULL_PATH_LIST ${${xeLib}Path})
endforeach()
list(APPEND LINK_LIBRARIES ${XE_LIBRARY_FULL_PATH_LIST})
endif()
if (NOT WIN32 AND NOT APPLE)
list(APPEND LINK_LIBRARIES "-Wl,--end-group")
endif()
# System libraries, our own and transitive dependencies from LLVM libs.
if (WIN32)
list(APPEND LINK_LIBRARIES version.lib shlwapi.lib odbc32.lib odbccp32.lib)
# Required after LLVM commit a5ffabc
if (${LLVM_VERSION_NUMBER} VERSION_GREATER_EQUAL "18.1.0")
list(APPEND LINK_LIBRARIES ws2_32.lib)
endif()
# Required after LLVM commit cb7690a
if (${LLVM_VERSION_NUMBER} VERSION_GREATER_EQUAL "19.1.0")
list(APPEND LINK_LIBRARIES ntdll.lib)
endif()
else()
run_llvm_config(LLVM_SYSTEM_LIBS "--system-libs")
if (LLVM_SYSTEM_LIBS MATCHES "pthread")
# ISPC doesn't use pthreads directly, but some LLVM does. Although, it
# looks like we do not use LLVM code that depend on pthreads, don't we?
find_library(PTHREAD_LIB REQUIRED NAMES pthread)
message(STATUS "Link with pthread library ${PTHREAD_LIB}")
list(APPEND LINK_LIBRARIES ${PTHREAD_LIB})
endif()
if (LLVM_SYSTEM_LIBS MATCHES "tinfo" OR LLVM_SYSTEM_LIBS MATCHES "curses")
find_library(TINFO_LIB REQUIRED NAMES terminfo tinfo curses ncurses ncursesw)
message(STATUS "Link with tinfo library ${TINFO_LIB}")
list(APPEND LINK_LIBRARIES ${TINFO_LIB})
endif()
endif()
# This function configures compile definitions, options and include dirs.
# It can be used for any objects or libraries that are built in the project.
function(configure_ispc_obj TARGET)
target_compile_definitions(${TARGET} PRIVATE ${COMPILE_DEFINITIONS})
target_include_directories(${TARGET} PRIVATE ${INCLUDE_DIRECTORIES})
target_compile_options(${TARGET} PRIVATE ${COMPILE_OPTIONS})
# Set hidden visibility for inline functions. This is needed to be in sync
# with LLVM libraries, we do include some template code from LLVM that requires
# this options to be in sync with LLVM. Otherwise it causes link warnings.
set_target_properties(${TARGET} PROPERTIES VISIBILITY_INLINES_HIDDEN ON)
if (NOT MSVC)
set_target_properties(${TARGET} PROPERTIES CXX_EXTENSIONS OFF)
endif()
endfunction()
# This function configures executable targets.
function(configure_ispc_exe TARGET)
configure_ispc_obj(${TARGET})
target_link_options(${TARGET} PRIVATE ${LINK_OPTIONS_PRIVATE})
target_link_options(${TARGET} PUBLIC ${LINK_OPTIONS_PUBLIC})
endfunction()
# This function creates and configures ispc-slim executable target under the given NAME.
function(add_ispc_slim NAME)
# Defines stdlib target
generate_stdlibs(${NAME})
# Defines targets for generic builtin implementations
generate_generic_builtins(${NAME})
# stdlib, stdlibs-bc, stdlibs-cpp targets are created in Stdlib.cmake
configure_ispc_obj(stdlib)
add_executable(${NAME} src/main.cpp src/binary_slim.cpp)
configure_ispc_exe(${NAME})
target_link_libraries(${NAME} ${LINK_LIBRARIES} optimization common frontend)
add_dependencies(${NAME} builtins-bc)
add_dependencies(generic-target-bc ${NAME})
add_dependencies(stdlibs-bc generic-stdlib-bc)
if (${NAME} STREQUAL "ispc")
set_target_properties(generic-target-bc PROPERTIES EXCLUDE_FROM_ALL OFF)
set_target_properties(generic-stdlib-bc PROPERTIES EXCLUDE_FROM_ALL OFF)
set_target_properties(stdlibs-bc PROPERTIES EXCLUDE_FROM_ALL OFF)
endif()
endfunction()
# Define libraries that are built in the project. Some of them are shared across multiple executable targets.
add_library(optimization OBJECT EXCLUDE_FROM_ALL ${OPT_SOURCES})
configure_ispc_obj(optimization)
add_library(common OBJECT EXCLUDE_FROM_ALL ${COMMON_SOURCES})
configure_ispc_obj(common)
add_library(frontend OBJECT EXCLUDE_FROM_ALL ${FRONTEND_SOURCES})
configure_ispc_obj(frontend)
# builtin target is created in GenerateBuiltins.cmake
configure_ispc_obj(builtin)
# Define executable targets
add_executable(ispc-opt tools/ispc-opt.cpp)
configure_ispc_exe(ispc-opt)
# TODO! should we link against all the same LLVM/Clang libraries? Clang libs is definetely not needed
target_link_libraries(ispc-opt ${LINK_LIBRARIES} builtin optimization common)
# The final target has to be ispc due to two use-cases we do not want to
# interfere with: make ispc and $<TARGET_FILE:ispc>.
if (ISPC_SLIM_BINARY)
add_ispc_slim(ispc)
message(STATUS "ISPC will be built as a slim binary")
else()
add_ispc_slim(ispc-slim)
configure_ispc_obj(generic-target)
add_executable(ispc src/main.cpp src/binary_composite.cpp)
configure_ispc_exe(ispc)
target_link_libraries(ispc ${LINK_LIBRARIES} builtin stdlib optimization common frontend generic-target)
add_dependencies(ispc ispc-slim)
message(STATUS "ISPC will be built as a composite binary")
endif()
install (TARGETS ispc DESTINATION bin)
if (ISPC_SLIM_BINARY)
foreach (header ${STDLIB_HEADERS})
install (FILES "stdlib/include/${header}" DESTINATION include)
endforeach()
install(DIRECTORY ${BITCODE_FOLDER} DESTINATION share)
endif()
if (ISPC_INCLUDE_TESTS)
add_subdirectory(tests)
endif()
if (ISPC_INCLUDE_BENCHMARKS)
enable_testing()
add_subdirectory(benchmarks)
endif()
if (ISPC_INCLUDE_RT)
add_subdirectory(ispcrt)
endif()
if (NOT X86_ENABLED)
# examples use x86 targets
set(ISPC_INCLUDE_EXAMPLES OFF)
endif()
if (ISPC_INCLUDE_EXAMPLES AND NOT ISPC_PREPARE_PACKAGE)
include(ExternalProject)
ExternalProject_Add(ispc_cpu_examples
PREFIX cpu_examples
DEPENDS ispc stdlibs-bc stdlib-headers
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/examples/cpu"
CMAKE_CACHE_ARGS
-DISPC_BUILD:BOOL=TRUE
-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-DCMAKE_ISPC_COMPILER:PATH=$<TARGET_FILE:ispc>
-DISPC_EXECUTABLE:PATH=$<TARGET_FILE:ispc>
-DCMAKE_C_COMPILER:PATH=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER:PATH=${CMAKE_CXX_COMPILER}
INSTALL_COMMAND ""
)
endif()
if (ISPC_INCLUDE_XE_EXAMPLES AND ISPC_INCLUDE_RT AND NOT ISPC_PREPARE_PACKAGE)
include(ExternalProject)
if (WIN32)
set(ISPCRT_LIB ${CMAKE_CURRENT_BINARY_DIR}/ispcrt/${CMAKE_CFG_INTDIR}/ispcrt.lib)
else()
set(ISPCRT_LIB $<TARGET_FILE:ispcrt>)
endif()
if (ISPC_INCLUDE_BENCHMARKS)
# Duplicated ExternalProject_Add for xpu examples when
# ISPC_INCLUDE_BENCHMARKS is on and off since all efforts of
# using cmake generator conditional expressions were unsuccessful.
ExternalProject_Add(ispc_xpu_examples
PREFIX xpu_examples
DEPENDS ispc stdlibs-bc stdlib-headers ispcrt benchmark
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/examples/xpu"
CMAKE_CACHE_ARGS
-DISPC_BUILD:BOOL=TRUE
-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-DCMAKE_ISPC_COMPILER:PATH=$<TARGET_FILE:ispc>
-DISPC_EXECUTABLE:PATH=$<TARGET_FILE:ispc>
-DISPCRT_LIB:PATH=${ISPCRT_LIB}
-DLEVEL_ZERO_ROOT:PATH=${LEVEL_ZERO_ROOT}
-DBENCHMARK_LIB:PATH=$<TARGET_FILE:benchmark>
-DCMAKE_C_COMPILER:PATH=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER:PATH=${CMAKE_CXX_COMPILER}
-DCMAKE_C_FLAGS:PATH=${CMAKE_C_FLAGS}
-DCMAKE_CXX_FLAGS:PATH=${CMAKE_CXX_FLAGS}
-DISPC_INCLUDE_BENCHMARKS:BOOL=${ISPC_INCLUDE_BENCHMARKS}
INSTALL_COMMAND ""
)
else()
ExternalProject_Add(ispc_xpu_examples
PREFIX xpu_examples
DEPENDS ispc stdlibs-bc stdlib-headers ispcrt
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/examples/xpu"
CMAKE_CACHE_ARGS
-DISPC_BUILD:BOOL=TRUE
-DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
-DCMAKE_ISPC_COMPILER:PATH=$<TARGET_FILE:ispc>
-DISPC_EXECUTABLE:PATH=$<TARGET_FILE:ispc>
-DISPCRT_LIB:PATH=${ISPCRT_LIB}
-DLEVEL_ZERO_ROOT:PATH=${LEVEL_ZERO_ROOT}
-DCMAKE_C_COMPILER:PATH=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER:PATH=${CMAKE_CXX_COMPILER}
-DCMAKE_C_FLAGS:PATH=${CMAKE_C_FLAGS}
-DCMAKE_CXX_FLAGS:PATH=${CMAKE_CXX_FLAGS}
INSTALL_COMMAND ""
)
endif()
endif()
if (ISPC_PREPARE_PACKAGE)
if (ISPC_PACKAGE_EXAMPLES)
if (XE_ENABLED)
install (DIRECTORY "${PROJECT_SOURCE_DIR}/examples/" DESTINATION examples)
else()
install (DIRECTORY "${PROJECT_SOURCE_DIR}/examples/" DESTINATION examples PATTERN "xpu" EXCLUDE)
endif()
endif()
install (DIRECTORY "${PROJECT_SOURCE_DIR}/contrib/" DESTINATION contrib)
install (FILES "${PROJECT_SOURCE_DIR}/LICENSE.txt" DESTINATION .)
install (FILES "${PROJECT_SOURCE_DIR}/third-party-programs.txt" DESTINATION .)
install (FILES "${PROJECT_SOURCE_DIR}/docs/ReleaseNotes.txt" DESTINATION .)
# Clone corresponding version of documentation
include(ExternalProject)
ExternalProject_Add(ispc_web
GIT_REPOSITORY https://github.com/ispc/ispc.github.com.git