2 cmake_minimum_required(VERSION 3.20.0)
4 if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)
5 set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
7 include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
10 # Check if MLIR is built as a standalone project.
11 if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
13 set(MLIR_STANDALONE_BUILD TRUE)
16 # Must go below project(..)
17 include(GNUInstallDirs)
18 set(CMAKE_CXX_STANDARD 17)
20 if(MLIR_STANDALONE_BUILD)
21 find_package(LLVM CONFIG REQUIRED)
22 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LLVM_CMAKE_DIR})
23 include(HandleLLVMOptions)
27 include_directories(${LLVM_INCLUDE_DIRS})
29 set(UNITTEST_DIR ${LLVM_THIRD_PARTY_DIR}/unittest)
30 if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h)
31 add_subdirectory(${UNITTEST_DIR} third-party/unittest)
34 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY
35 "${CMAKE_CURRENT_BINARY_DIR}/lib${LLVM_LIBDIR_SUFFIX}")
36 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
38 set(LLVM_LIT_ARGS "-sv" CACHE STRING "Default options for lit")
41 set(MLIR_TOOLS_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}" CACHE PATH
42 "Path for binary subdirectory (defaults to '${CMAKE_INSTALL_BINDIR}')")
43 mark_as_advanced(MLIR_TOOLS_INSTALL_DIR)
45 set(MLIR_MAIN_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR} )
46 set(MLIR_MAIN_INCLUDE_DIR ${MLIR_MAIN_SRC_DIR}/include )
48 set(MLIR_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
49 set(MLIR_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
50 set(MLIR_INCLUDE_DIR ${CMAKE_CURRENT_BINARY_DIR}/include)
51 set(MLIR_TOOLS_DIR ${CMAKE_RUNTIME_OUTPUT_DIRECTORY})
53 # Make sure that our source directory is on the current cmake module path so
54 # that we can include cmake files from this directory.
55 list(INSERT CMAKE_MODULE_PATH 0
56 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules"
57 "${LLVM_COMMON_CMAKE_UTILS}/Modules"
62 # -BSymbolic is incompatible with TypeID
63 if("${CMAKE_SHARED_LINKER_FLAGS}" MATCHES "-Bsymbolic[^-]")
64 message(FATAL_ERROR " MLIR does not support `-Bsymbolic` (see http://llvm.org/pr51420 ),"
65 " try `-Bsymbolic-functions` instead.")
68 # Forbid implicit function declaration: this may lead to subtle bugs and we
69 # don't have a reason to support this.
70 check_c_compiler_flag("-Werror=implicit-function-declaration" C_SUPPORTS_WERROR_IMPLICIT_FUNCTION_DECLARATION)
71 append_if(C_SUPPORTS_WERROR_IMPLICIT_FUNCTION_DECLARATION "-Werror=implicit-function-declaration" CMAKE_C_FLAGS)
73 # Forbid mismatch between declaration and definition for class vs struct. This is
74 # harmless on Unix systems, but it'll be a ticking bomb for MSVC/Windows systems
75 # where it creeps into the ABI.
76 check_c_compiler_flag("-Werror=mismatched-tags" C_SUPPORTS_WERROR_MISMATCHED_TAGS)
77 append_if(C_SUPPORTS_WERROR_MISMATCHED_TAGS "-Werror=mismatched-tags" CMAKE_C_FLAGS)
78 append_if(C_SUPPORTS_WERROR_MISMATCHED_TAGS "-Werror=mismatched-tags" CMAKE_CXX_FLAGS)
80 # Silence a false positive GCC -Wunused-but-set-parameter warning in constexpr
81 # cases, by marking SelectedCase as used. See
82 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85827 for details. The issue is
84 if(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS "10.0")
85 check_cxx_compiler_flag("-Wno-unused-but-set-parameter" CXX_SUPPORTS_WNO_UNUSED_BUT_SET_PARAMETER)
86 append_if(CXX_SUPPORTS_WNO_UNUSED_BUT_SET_PARAMETER "-Wno-unused-but-set-parameter" CMAKE_CXX_FLAGS)
89 # Installing the headers and docs needs to depend on generating any public
91 # mlir-generic-headers are dialect-independent.
92 add_custom_target(mlir-generic-headers)
93 set_target_properties(mlir-generic-headers PROPERTIES FOLDER "Misc")
94 # mlir-headers may be dialect-dependent.
95 add_custom_target(mlir-headers)
96 set_target_properties(mlir-headers PROPERTIES FOLDER "Misc")
97 add_dependencies(mlir-headers mlir-generic-headers)
98 add_custom_target(mlir-doc)
100 # Only enable execution engine if the native target is available.
101 if(${LLVM_NATIVE_ARCH} IN_LIST LLVM_TARGETS_TO_BUILD)
102 set(MLIR_ENABLE_EXECUTION_ENGINE 1)
104 set(MLIR_ENABLE_EXECUTION_ENGINE 0)
107 # Build the CUDA conversions and run according tests if the NVPTX backend
109 if ("NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD)
110 set(MLIR_ENABLE_CUDA_CONVERSIONS 1)
112 set(MLIR_ENABLE_CUDA_CONVERSIONS 0)
114 # TODO: we should use a config.h file like LLVM does
115 add_definitions(-DMLIR_CUDA_CONVERSIONS_ENABLED=${MLIR_ENABLE_CUDA_CONVERSIONS})
117 # Build the ROCm conversions and run according tests if the AMDGPU backend
119 if ("AMDGPU" IN_LIST LLVM_TARGETS_TO_BUILD)
120 set(MLIR_ENABLE_ROCM_CONVERSIONS 1)
122 set(MLIR_ENABLE_ROCM_CONVERSIONS 0)
124 add_definitions(-DMLIR_ROCM_CONVERSIONS_ENABLED=${MLIR_ENABLE_ROCM_CONVERSIONS})
126 set(MLIR_ENABLE_DEPRECATED_GPU_SERIALIZATION 0 CACHE BOOL "Enable deprecated GPU serialization passes")
127 set(MLIR_ENABLE_CUDA_RUNNER 0 CACHE BOOL "Enable building the mlir CUDA runner")
128 set(MLIR_ENABLE_ROCM_RUNNER 0 CACHE BOOL "Enable building the mlir ROCm runner")
129 set(MLIR_ENABLE_SPIRV_CPU_RUNNER 0 CACHE BOOL "Enable building the mlir SPIR-V cpu runner")
130 set(MLIR_ENABLE_VULKAN_RUNNER 0 CACHE BOOL "Enable building the mlir Vulkan runner")
131 set(MLIR_ENABLE_NVPTXCOMPILER 0 CACHE BOOL
132 "Statically link the nvptxlibrary instead of calling ptxas as a subprocess \
133 for compiling PTX to cubin")
135 option(MLIR_INCLUDE_TESTS
136 "Generate build targets for the MLIR unit tests."
137 ${LLVM_INCLUDE_TESTS})
139 option(MLIR_INCLUDE_INTEGRATION_TESTS
140 "Generate build targets for the MLIR integration tests.")
142 set(MLIR_INSTALL_AGGREGATE_OBJECTS 1 CACHE BOOL
143 "Installs object files needed for add_mlir_aggregate to work out of \
144 tree. Package maintainers can disable this to exclude these assets if \
145 not desired. Enabling this will result in object files being written \
146 under lib/objects-{CMAKE_BUILD_TYPE}.")
148 set(MLIR_BUILD_MLIR_C_DYLIB 0 CACHE BOOL "Builds libMLIR-C shared library.")
151 ${MLIR_MAIN_INCLUDE_DIR}/mlir/Config/mlir-config.h.cmake
152 ${MLIR_INCLUDE_DIR}/mlir/Config/mlir-config.h)
154 #-------------------------------------------------------------------------------
155 # Python Bindings Configuration
157 # The pybind11 library can be found (set with -DPYBIND_DIR=...)
158 # The python executable is correct (set with -DPython3_EXECUTABLE=...)
159 #-------------------------------------------------------------------------------
161 set(MLIR_ENABLE_BINDINGS_PYTHON 0 CACHE BOOL
162 "Enables building of Python bindings.")
163 set(MLIR_DETECT_PYTHON_ENV_PRIME_SEARCH 1 CACHE BOOL
164 "Prime the python detection by searching for a full 'Development' \
165 component first (temporary while diagnosing environment specific Python \
167 if(MLIR_ENABLE_BINDINGS_PYTHON)
168 include(MLIRDetectPythonEnv)
169 mlir_configure_python_dev_packages()
172 set(CMAKE_INCLUDE_CURRENT_DIR ON)
174 include_directories( "include")
175 include_directories( ${MLIR_INCLUDE_DIR})
177 # Adding tools/mlir-tblgen here as calling add_tablegen sets some variables like
178 # MLIR_TABLEGEN_EXE in PARENT_SCOPE which gets lost if that folder is included
179 # from another directory like tools
180 add_subdirectory(tools/mlir-tblgen)
181 add_subdirectory(tools/mlir-linalg-ods-gen)
182 add_subdirectory(tools/mlir-pdll)
184 set(MLIR_TABLEGEN_EXE "${MLIR_TABLEGEN_EXE}" CACHE INTERNAL "")
185 set(MLIR_TABLEGEN_TARGET "${MLIR_TABLEGEN_TARGET}" CACHE INTERNAL "")
186 set(MLIR_PDLL_TABLEGEN_EXE "${MLIR_PDLL_TABLEGEN_EXE}" CACHE INTERNAL "")
187 set(MLIR_PDLL_TABLEGEN_TARGET "${MLIR_PDLL_TABLEGEN_TARGET}" CACHE INTERNAL "")
189 add_subdirectory(include/mlir)
190 add_subdirectory(lib)
191 # C API needs all dialects for registration, but should be built before tests.
192 add_subdirectory(lib/CAPI)
194 if (MLIR_INCLUDE_TESTS)
195 add_definitions(-DMLIR_INCLUDE_TESTS)
196 add_custom_target(MLIRUnitTests)
197 if (EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest/googletest/include/gtest/gtest.h)
198 add_subdirectory(unittests)
200 message(WARNING "gtest not found, unittests will not be available")
202 add_subdirectory(test)
204 # Tools needs to come late to ensure that MLIR_ALL_LIBS is populated.
205 # Generally things after this point may depend on MLIR_ALL_LIBS or libMLIR.so.
206 add_subdirectory(tools)
208 if(MLIR_ENABLE_BINDINGS_PYTHON)
209 # Python sources: built extensions come in via lib/Bindings/Python
210 add_subdirectory(python)
213 if( LLVM_INCLUDE_EXAMPLES )
214 add_subdirectory(examples)
217 option(MLIR_INCLUDE_DOCS "Generate build targets for the MLIR docs."
218 ${LLVM_INCLUDE_DOCS})
219 if (MLIR_INCLUDE_DOCS)
220 add_subdirectory(docs)
223 if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
224 install(DIRECTORY include/mlir include/mlir-c
225 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
226 COMPONENT mlir-headers
232 PATTERN "LICENSE.TXT"
235 install(DIRECTORY ${MLIR_INCLUDE_DIR}/mlir ${MLIR_INCLUDE_DIR}/mlir-c
236 DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
237 COMPONENT mlir-headers
244 PATTERN "CMakeFiles" EXCLUDE
245 PATTERN "config.h" EXCLUDE
248 if (NOT LLVM_ENABLE_IDE)
249 add_llvm_install_targets(install-mlir-headers
251 COMPONENT mlir-headers)
255 # Custom target to install all mlir libraries
256 add_custom_target(mlir-libraries)
257 set_target_properties(mlir-libraries PROPERTIES FOLDER "Misc")
259 if (NOT LLVM_ENABLE_IDE)
260 add_llvm_install_targets(install-mlir-libraries
261 DEPENDS mlir-libraries
262 COMPONENT mlir-libraries)
265 get_property(MLIR_LIBS GLOBAL PROPERTY MLIR_ALL_LIBS)
267 list(REMOVE_DUPLICATES MLIR_LIBS)
268 foreach(lib ${MLIR_LIBS})
269 add_dependencies(mlir-libraries ${lib})
270 if(NOT LLVM_ENABLE_IDE)
271 add_dependencies(install-mlir-libraries install-${lib})
272 add_dependencies(install-mlir-libraries-stripped install-${lib}-stripped)
277 add_subdirectory(cmake/modules)
279 if (MLIR_ENABLE_PYTHON_BENCHMARKS)
280 add_subdirectory(utils/mbr)
283 if(MLIR_STANDALONE_BUILD)
284 llvm_distribution_add_targets()