# MLIR project.
cmake_minimum_required(VERSION 3.20.0)
set(LLVM_SUBPROJECT_TITLE "MLIR")
if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
endif()
include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
NO_POLICY_SCOPE)
# Check if MLIR is built as a standalone project.
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
project(mlir)
set(MLIR_STANDALONE_BUILD TRUE)
endif()
# Must go below project(..)
include(GNUInstallDirs)
set(CMAKE_CXX_STANDARD 17)
if(MLIR_STANDALONE_BUILD)
find_package(LLVM CONFIG REQUIRED)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LLVM_CMAKE_DIR})
include(HandleLLVMOptions)
include(AddLLVM)
include(TableGen)
include_directories(${LLVM_INCLUDE_DIRS})
set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/unittest)
if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h)
add_subdirectory(${UNITTEST_DIR} third-party/unittest)
endif()
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY
"${CMAKE_CURRENT_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}")
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
endif()
set(MLIR_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
"Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
mark_as_advanced(MLIR_TOOLS_INSTALL_DIR)
set(MLIR_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} )
set(MLIR_MAIN_INCLUDE_DIR ${MLIR_MAIN_SRC_DIR}/include )
set(MLIR_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
set(MLIR_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
set(MLIR_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
set(MLIR_TOOLS_DIR ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
# Make sure that our source directory is on the current cmake module path so
# that we can include cmake files from this directory.
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
"${LLVM_COMMON_CMAKE_UTILS}/Modules"
)
include(AddMLIR)
# -BSymbolic is incompatible with TypeID
if("${CMAKE_SHARED_LINKER_FLAGS}" MATCHES "-Bsymbolic[^-]")
message(FATAL_ERROR " MLIR does not support `-Bsymbolic` (see http://llvm.org/pr51420 ),"
" try `-Bsymbolic-functions` instead.")
endif()
# Forbid implicit function declaration: this may lead to subtle bugs and we
# don't have a reason to support this.
check_c_compiler_flag("-Werror=implicit-function-declaration" C_SUPPORTS_WERROR_IMPLICIT_FUNCTION_DECLARATION)
append_if(C_SUPPORTS_WERROR_IMPLICIT_FUNCTION_DECLARATION "-Werror=implicit-function-declaration" CMAKE_C_FLAGS)
# Warn on undefined macros. This is often an indication that an include to
# `mlir-config.h` or similar is missing.
check_c_compiler_flag("-Wundef" C_SUPPORTS_WUNDEF)
append_if(C_SUPPORTS_WUNDEF "-Wundef" CMAKE_C_FLAGS)
append_if(C_SUPPORTS_WUNDEF "-Wundef" CMAKE_CXX_FLAGS)
# Forbid mismatch between declaration and definition for class vs struct. This is
# harmless on Unix systems, but it'll be a ticking bomb for MSVC/Windows systems
# where it creeps into the ABI.
check_c_compiler_flag("-Werror=mismatched-tags" C_SUPPORTS_WERROR_MISMATCHED_TAGS)
append_if(C_SUPPORTS_WERROR_MISMATCHED_TAGS "-Werror=mismatched-tags" CMAKE_C_FLAGS)
append_if(C_SUPPORTS_WERROR_MISMATCHED_TAGS "-Werror=mismatched-tags" CMAKE_CXX_FLAGS)
# Silence a false positive GCC -Wunused-but-set-parameter warning in constexpr
# cases, by marking SelectedCase as used. See
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85827 for details. The issue is
# fixed in GCC 10.
if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10.0")
check_cxx_compiler_flag("-Wno-unused-but-set-parameter" CXX_SUPPORTS_WNO_UNUSED_BUT_SET_PARAMETER)
append_if(CXX_SUPPORTS_WNO_UNUSED_BUT_SET_PARAMETER "-Wno-unused-but-set-parameter" CMAKE_CXX_FLAGS)
endif()
# Installing the headers and docs needs to depend on generating any public
# tablegen'd targets.
# mlir-generic-headers are dialect-independent.
add_custom_target(mlir-generic-headers)
set_target_properties(mlir-generic-headers PROPERTIES FOLDER "MLIR/Resources")
# mlir-headers may be dialect-dependent.
add_custom_target(mlir-headers)
set_target_properties(mlir-headers PROPERTIES FOLDER "MLIR/Resources")
add_dependencies(mlir-headers mlir-generic-headers)
add_custom_target(mlir-doc)
set_target_properties(mlir-doc PROPERTIES FOLDER "MLIR/Docs")
# Only enable execution engine if the native target is available.
if(${LLVM_NATIVE_ARCH} IN_LIST LLVM_TARGETS_TO_BUILD)
set(MLIR_ENABLE_EXECUTION_ENGINE 1)
else()
set(MLIR_ENABLE_EXECUTION_ENGINE 0)
endif()
# Build the ROCm conversions and run according tests if the AMDGPU backend
# is available.
if ("AMDGPU" IN_LIST LLVM_TARGETS_TO_BUILD)
set(MLIR_ENABLE_ROCM_CONVERSIONS 1)
else()
set(MLIR_ENABLE_ROCM_CONVERSIONS 0)
endif()
set(MLIR_ENABLE_CUDA_RUNNER 0 CACHE BOOL "Enable building the mlir CUDA runner")
set(MLIR_ENABLE_ROCM_RUNNER 0 CACHE BOOL "Enable building the mlir ROCm runner")
set(MLIR_ENABLE_SYCL_RUNNER 0 CACHE BOOL "Enable building the mlir Sycl runner")
set(MLIR_ENABLE_SPIRV_CPU_RUNNER 0 CACHE BOOL "Enable building the mlir SPIR-V cpu runner")
set(MLIR_ENABLE_VULKAN_RUNNER 0 CACHE BOOL "Enable building the mlir Vulkan runner")
set(MLIR_ENABLE_NVPTXCOMPILER 0 CACHE BOOL
"Statically link the nvptxlibrary instead of calling ptxas as a subprocess \
for compiling PTX to cubin")
set(MLIR_ENABLE_PDL_IN_PATTERNMATCH 1 CACHE BOOL "Enable PDL in PatternMatch")
option(MLIR_INCLUDE_TESTS
"Generate build targets for the MLIR unit tests."
${LLVM_INCLUDE_TESTS})
option(MLIR_INCLUDE_INTEGRATION_TESTS
"Generate build targets for the MLIR integration tests.")
set(MLIR_INSTALL_AGGREGATE_OBJECTS 1 CACHE BOOL
"Installs object files needed for add_mlir_aggregate to work out of \
tree. Package maintainers can disable this to exclude these assets if \
not desired. Enabling this will result in object files being written \
under lib/objects-{CMAKE_BUILD_TYPE}.")
set(MLIR_BUILD_MLIR_C_DYLIB 0 CACHE BOOL "Builds libMLIR-C shared library.")
configure_file(
${MLIR_MAIN_INCLUDE_DIR}/mlir/Config/mlir-config.h.cmake
${MLIR_INCLUDE_DIR}/mlir/Config/mlir-config.h)
#-------------------------------------------------------------------------------
# Python Bindings Configuration
# Requires:
# The pybind11 library can be found (set with -DPYBIND_DIR=...)
# The python executable is correct (set with -DPython3_EXECUTABLE=...)
#-------------------------------------------------------------------------------
set(MLIR_ENABLE_BINDINGS_PYTHON 0 CACHE BOOL
"Enables building of Python bindings.")
set(MLIR_DETECT_PYTHON_ENV_PRIME_SEARCH 1 CACHE BOOL
"Prime the python detection by searching for a full 'Development' \
component first (temporary while diagnosing environment specific Python \
detection issues)")
if(MLIR_ENABLE_BINDINGS_PYTHON)
include(MLIRDetectPythonEnv)
mlir_configure_python_dev_packages()
endif()
set(CMAKE_INCLUDE_CURRENT_DIR ON)
include_directories( "include")
include_directories( ${MLIR_INCLUDE_DIR})
# Adding tools/mlir-tblgen here as calling add_tablegen sets some variables like
# MLIR_TABLEGEN_EXE in PARENT_SCOPE which gets lost if that folder is included
# from another directory like tools
add_subdirectory(tools/mlir-linalg-ods-gen)
add_subdirectory(tools/mlir-pdll)
add_subdirectory(tools/mlir-tblgen)
add_subdirectory(tools/mlir-src-sharder)
set(MLIR_TABLEGEN_EXE "${MLIR_TABLEGEN_EXE}" CACHE INTERNAL "")
set(MLIR_TABLEGEN_TARGET "${MLIR_TABLEGEN_TARGET}" CACHE INTERNAL "")
set(MLIR_PDLL_TABLEGEN_EXE "${MLIR_PDLL_TABLEGEN_EXE}" CACHE INTERNAL "")
set(MLIR_PDLL_TABLEGEN_TARGET "${MLIR_PDLL_TABLEGEN_TARGET}" CACHE INTERNAL "")
set(MLIR_SRC_SHARDER_TABLEGEN_EXE "${MLIR_SRC_SHARDER_TABLEGEN_EXE}" CACHE INTERNAL "")
set(MLIR_SRC_SHARDER_TABLEGEN_TARGET "${MLIR_SRC_SHARDER_TABLEGEN_TARGET}" CACHE INTERNAL "")
add_subdirectory(include/mlir)
add_subdirectory(lib)
# C API needs all dialects for registration, but should be built before tests.
add_subdirectory(lib/CAPI)
if (MLIR_INCLUDE_TESTS)
add_definitions(-DMLIR_INCLUDE_TESTS)
add_custom_target(MLIRUnitTests)
set_target_properties(MLIRUnitTests PROPERTIES FOLDER "MLIR/Tests")
if (EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest/googletest/include/gtest/gtest.h)
add_subdirectory(unittests)
else()
message(WARNING "gtest not found, unittests will not be available")
endif()
add_subdirectory(test)
endif()
# Tools needs to come late to ensure that MLIR_ALL_LIBS is populated.
# Generally things after this point may depend on MLIR_ALL_LIBS or libMLIR.so.
add_subdirectory(tools)
if(MLIR_ENABLE_BINDINGS_PYTHON)
# Python sources: built extensions come in via lib/Bindings/Python
add_subdirectory(python)
endif()
if( LLVM_INCLUDE_EXAMPLES )
add_subdirectory(examples)
endif()
option(MLIR_INCLUDE_DOCS "Generate build targets for the MLIR docs."
${LLVM_INCLUDE_DOCS})
if (MLIR_INCLUDE_DOCS)
add_subdirectory(docs)
endif()
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(DIRECTORY include/mlir include/mlir-c
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
COMPONENT mlir-headers
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "*.inc"
PATTERN "*.td"
PATTERN "LICENSE.TXT"
)
install(DIRECTORY ${MLIR_INCLUDE_DIR}/mlir ${MLIR_INCLUDE_DIR}/mlir-c
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
COMPONENT mlir-headers
FILES_MATCHING
PATTERN "*.def"
PATTERN "*.h"
PATTERN "*.gen"
PATTERN "*.inc"
PATTERN "*.td"
PATTERN "CMakeFiles" EXCLUDE
PATTERN "config.h" EXCLUDE
)
if (NOT LLVM_ENABLE_IDE)
add_llvm_install_targets(install-mlir-headers
DEPENDS mlir-headers
COMPONENT mlir-headers)
endif()
endif()
# Custom target to install all mlir libraries
add_custom_target(mlir-libraries)
set_target_properties(mlir-libraries PROPERTIES FOLDER "MLIR/Metatargets")
if (NOT LLVM_ENABLE_IDE)
add_llvm_install_targets(install-mlir-libraries
DEPENDS mlir-libraries
COMPONENT mlir-libraries)
endif()
get_property(MLIR_LIBS GLOBAL PROPERTY MLIR_ALL_LIBS)
if(MLIR_LIBS)
list(REMOVE_DUPLICATES MLIR_LIBS)
foreach(lib ${MLIR_LIBS})
add_dependencies(mlir-libraries ${lib})
if(NOT LLVM_ENABLE_IDE)
add_dependencies(install-mlir-libraries install-${lib})
add_dependencies(install-mlir-libraries-stripped install-${lib}-stripped)
endif()
endforeach()
endif()
add_subdirectory(cmake/modules)
if (MLIR_ENABLE_PYTHON_BENCHMARKS)
add_subdirectory(utils/mbr)
endif()
if(MLIR_STANDALONE_BUILD)
llvm_distribution_add_targets()
endif()