218 lines · plain
1cmake_minimum_required(VERSION 3.20.0)2 3set(LLVM_SUBPROJECT_TITLE "BOLT")4 5if(NOT DEFINED LLVM_COMMON_CMAKE_UTILS)6 set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)7endif()8include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake9 NO_POLICY_SCOPE)10 11if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)12 project(bolt)13 set(BOLT_BUILT_STANDALONE TRUE)14endif()15 16set(BOLT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})17set(BOLT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})18set(CMAKE_CXX_STANDARD 17)19 20# Add path for custom modules.21list(INSERT CMAKE_MODULE_PATH 0 "${BOLT_SOURCE_DIR}/cmake/modules")22 23include(GNUInstallDirs)24 25# standalone build, copied from clang26if(BOLT_BUILT_STANDALONE)27 set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")28 set(CMAKE_CXX_STANDARD_REQUIRED YES)29 set(CMAKE_CXX_EXTENSIONS NO)30 31 if(NOT MSVC_IDE)32 set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS}33 CACHE BOOL "Enable assertions")34 # Assertions should follow llvm-config's.35 mark_as_advanced(LLVM_ENABLE_ASSERTIONS)36 endif()37 38 find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}")39 list(APPEND CMAKE_MODULE_PATH "${LLVM_DIR}")40 41 set(LLVM_MAIN_SRC_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../llvm" CACHE PATH "Path to LLVM source tree")42 find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR}43 NO_DEFAULT_PATH)44 45 # They are used as destination of target generators.46 set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)47 set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX})48 49 separate_arguments(LLVM_DEFINITIONS_LIST NATIVE_COMMAND ${LLVM_DEFINITIONS})50 add_definitions(${LLVM_DEFINITIONS_LIST})51 list(APPEND CMAKE_REQUIRED_DEFINITIONS ${LLVM_DEFINITIONS_LIST})52 53 include(AddLLVM)54 include(TableGen)55 include_directories(${LLVM_INCLUDE_DIRS})56 link_directories("${LLVM_LIBRARY_DIR}")57 58 set( CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_INSTALL_BINDIR}" )59 set( CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_INSTALL_LIBDIR}/${LLVM_LIBDIR_SUFFIX}" )60 set( CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_INSTALL_LIBDIR}/${LLVM_LIBDIR_SUFFIX}")61endif() # standalone62 63# Determine default set of targets to build -- the intersection of64# those BOLT supports and those LLVM is targeting.65set(BOLT_TARGETS_TO_BUILD_all "AArch64;X86;RISCV")66set(BOLT_TARGETS_TO_BUILD_default)67foreach (tgt ${BOLT_TARGETS_TO_BUILD_all})68 if (tgt IN_LIST LLVM_TARGETS_TO_BUILD)69 list(APPEND BOLT_TARGETS_TO_BUILD_default ${tgt})70 endif()71endforeach()72 73# Allow the user to specify the BOLT targets, and then check that LLVM74# is indeed targeting those.75set(BOLT_TARGETS_TO_BUILD "${BOLT_TARGETS_TO_BUILD_default}"76 CACHE STRING "Targets for BOLT to support.")77if (NOT BOLT_TARGETS_TO_BUILD)78 message(FATAL_ERROR "BOLT enabled but BOLT_TARGETS_TO_BUILD is empty")79endif()80foreach (tgt ${BOLT_TARGETS_TO_BUILD})81 if (NOT tgt IN_LIST LLVM_TARGETS_TO_BUILD)82 message(FATAL_ERROR "BOLT target '${tgt}' is not in LLVM_TARGETS_TO_BUILD")83 endif()84 message(STATUS "Targeting ${tgt} in llvm-bolt")85endforeach()86 87set(BOLT_ENABLE_RUNTIME_default OFF)88if ((CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64"89 OR CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64|aarch64)$"90 OR CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")91 AND (CMAKE_SYSTEM_NAME STREQUAL "Linux"92 OR CMAKE_SYSTEM_NAME STREQUAL "Darwin")93 AND (NOT CMAKE_CROSSCOMPILING))94 set(BOLT_ENABLE_RUNTIME_default ON)95endif()96option(BOLT_ENABLE_RUNTIME "Enable BOLT runtime" ${BOLT_ENABLE_RUNTIME_default})97if (BOLT_ENABLE_RUNTIME)98 # Some systems prevent reading /proc/self/map_files99 execute_process(COMMAND ls /proc/self/map_files100 RESULT_VARIABLE LS OUTPUT_QUIET ERROR_QUIET)101 if (LS)102 message(WARNING103 "BOLT runtime may not be able to read /proc/self/map_files. Please use104 `--instrumentation-binpath <path-to-instrumented-binary>` option.")105 endif()106endif()107 108set(BOLT_CLANG_EXE "" CACHE FILEPATH "Path to clang executable for the target \109architecture for use in BOLT tests")110set(BOLT_LLD_EXE "" CACHE FILEPATH "Path to lld executable for the target \111architecture for use in BOLT tests")112 113set(BOLT_INCLUDE_TESTS OFF)114if (LLVM_INCLUDE_TESTS)115 set(BOLT_CLANG_PRESENT OFF)116 set(BOLT_LLD_PRESENT OFF)117 118 if ("clang" IN_LIST LLVM_ENABLE_PROJECTS AND BOLT_CLANG_EXE)119 message(WARNING "BOLT_CLANG_EXE is set and clang project is enabled. \120 BOLT_CLANG_EXE will be used for BOLT tests.")121 endif()122 if ("clang" IN_LIST LLVM_ENABLE_PROJECTS OR BOLT_CLANG_EXE)123 set(BOLT_CLANG_PRESENT ON)124 endif()125 126 if ("lld" IN_LIST LLVM_ENABLE_PROJECTS AND BOLT_LLD_EXE)127 message(WARNING "BOLT_LLD_EXE is set and lld project is enabled. \128 BOLT_LLD_EXE will be used for BOLT tests.")129 endif()130 if ("lld" IN_LIST LLVM_ENABLE_PROJECTS OR BOLT_LLD_EXE)131 set(BOLT_LLD_PRESENT ON)132 endif()133 134 if (BOLT_CLANG_PRESENT AND BOLT_LLD_PRESENT)135 set(BOLT_INCLUDE_TESTS ON)136 else()137 message(WARNING "Not including BOLT tests since clang or lld is disabled. \138 Add clang and lld to LLVM_ENABLE_PROJECTS or provide paths to clang \139 and lld binaries in BOLT_CLANG_EXE and BOLT_LLD_EXE.")140 endif()141endif()142 143if (BOLT_ENABLE_RUNTIME)144 message(STATUS "Building BOLT runtime libraries for ${CMAKE_SYSTEM_PROCESSOR}")145 set(extra_args "")146 if(CMAKE_SYSROOT)147 list(APPEND extra_args -DCMAKE_SYSROOT=${CMAKE_SYSROOT})148 endif()149 150 include(ExternalProject)151 ExternalProject_Add(bolt_rt152 SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/runtime"153 STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-stamps154 BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins155 CMAKE_ARGS -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}156 -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}157 -DCMAKE_BUILD_TYPE=Release158 -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}159 -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX}160 -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}161 -DBOLT_BUILT_STANDALONE=${BOLT_BUILT_STANDALONE}162 ${extra_args}163 INSTALL_COMMAND ""164 BUILD_ALWAYS True165 )166 install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -P ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins/cmake_install.cmake \)"167 COMPONENT bolt)168 add_llvm_install_targets(install-bolt_rt169 DEPENDS bolt_rt bolt170 COMPONENT bolt)171 set(LIBBOLT_RT_INSTR "${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins/lib${LLVM_LIBDIR_SUFFIX}/libbolt_rt_instr.a")172 set(LIBBOLT_RT_HUGIFY "${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins/lib${LLVM_LIBDIR_SUFFIX}/libbolt_rt_hugify.a")173endif()174 175find_program(GNU_LD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.bfd ld.bfd DOC "GNU ld")176 177include(AddBOLT)178 179option(BOLT_BUILD_TOOLS180 "Build the BOLT tools. If OFF, just generate build targets." ON)181 182add_custom_target(bolt)183set_target_properties(bolt PROPERTIES FOLDER "BOLT/Metatargets")184add_llvm_install_targets(install-bolt DEPENDS bolt COMPONENT bolt)185 186include_directories(187 ${CMAKE_CURRENT_SOURCE_DIR}/include188 ${CMAKE_CURRENT_BINARY_DIR}/include189 )190 191add_subdirectory(lib)192add_subdirectory(tools)193 194if (BOLT_INCLUDE_TESTS)195 if (EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest/googletest/include/gtest/gtest.h)196 add_subdirectory(unittests)197 list(APPEND BOLT_TEST_DEPS BoltUnitTests)198 endif()199 add_subdirectory(test)200endif()201 202option(BOLT_INCLUDE_DOCS "Generate build targets for the BOLT docs."203 ${LLVM_INCLUDE_DOCS})204if (BOLT_INCLUDE_DOCS)205 add_subdirectory(docs)206endif()207 208configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc.in209 ${CMAKE_CURRENT_BINARY_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc @ONLY)210 211set(BOLT_ENUM_TARGETS "")212foreach(t ${BOLT_TARGETS_TO_BUILD})213 set(BOLT_ENUM_TARGETS "${BOLT_ENUM_TARGETS}BOLT_TARGET(${t})\n")214endforeach(t)215 216configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/bolt/Core/TargetConfig.def.in217 ${CMAKE_CURRENT_BINARY_DIR}/include/bolt/Core/TargetConfig.def @ONLY)218