| set(LLVM_SUBPROJECT_TITLE "BOLT") |
| |
| include(ExternalProject) |
| |
| set(BOLT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) |
| set(BOLT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) |
| set(CMAKE_CXX_STANDARD 17) |
| |
| # Add path for custom modules. |
| list(INSERT CMAKE_MODULE_PATH 0 "${BOLT_SOURCE_DIR}/cmake/modules") |
| |
| # Determine default set of targets to build -- the intersection of |
| # those BOLT supports and those LLVM is targeting. |
| set(BOLT_TARGETS_TO_BUILD_all "AArch64;X86;RISCV") |
| set(BOLT_TARGETS_TO_BUILD_default) |
| foreach (tgt ${BOLT_TARGETS_TO_BUILD_all}) |
| if (tgt IN_LIST LLVM_TARGETS_TO_BUILD) |
| list(APPEND BOLT_TARGETS_TO_BUILD_default ${tgt}) |
| endif() |
| endforeach() |
| |
| # Allow the user to specify the BOLT targets, and then check that LLVM |
| # is indeed targeting those. |
| set(BOLT_TARGETS_TO_BUILD "${BOLT_TARGETS_TO_BUILD_default}" |
| CACHE STRING "Targets for BOLT to support.") |
| if (NOT BOLT_TARGETS_TO_BUILD) |
| message(FATAL_ERROR "BOLT enabled but BOLT_TARGETS_TO_BUILD is empty") |
| endif() |
| foreach (tgt ${BOLT_TARGETS_TO_BUILD}) |
| if (NOT tgt IN_LIST LLVM_TARGETS_TO_BUILD) |
| message(FATAL_ERROR "BOLT target '${tgt}' is not in LLVM_TARGETS_TO_BUILD") |
| endif() |
| message(STATUS "Targeting ${tgt} in llvm-bolt") |
| endforeach() |
| |
| set(BOLT_ENABLE_RUNTIME_default OFF) |
| if ((CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" |
| OR CMAKE_SYSTEM_PROCESSOR STREQUAL "aarch64") |
| AND (CMAKE_SYSTEM_NAME STREQUAL "Linux" |
| OR CMAKE_SYSTEM_NAME STREQUAL "Darwin") |
| AND (NOT CMAKE_CROSSCOMPILING)) |
| set(BOLT_ENABLE_RUNTIME_default ON) |
| endif() |
| option(BOLT_ENABLE_RUNTIME "Enable BOLT runtime" ${BOLT_ENABLE_RUNTIME_default}) |
| if (BOLT_ENABLE_RUNTIME) |
| # Some systems prevent reading /proc/self/map_files |
| execute_process(COMMAND ls /proc/self/map_files |
| RESULT_VARIABLE LS OUTPUT_QUIET ERROR_QUIET) |
| if (LS) |
| message(WARNING |
| "BOLT runtime may not be able to read /proc/self/map_files. Please use |
| `--instrumentation-binpath <path-to-instrumented-binary>` option.") |
| endif() |
| endif() |
| |
| set(BOLT_CLANG_EXE "" CACHE FILEPATH "Path to clang executable for the target \ |
| architecture for use in BOLT tests") |
| set(BOLT_LLD_EXE "" CACHE FILEPATH "Path to lld executable for the target \ |
| architecture for use in BOLT tests") |
| |
| set(BOLT_INCLUDE_TESTS OFF) |
| if (LLVM_INCLUDE_TESTS) |
| set(BOLT_CLANG_PRESENT OFF) |
| set(BOLT_LLD_PRESENT OFF) |
| |
| if ("clang" IN_LIST LLVM_ENABLE_PROJECTS AND BOLT_CLANG_EXE) |
| message(WARNING "BOLT_CLANG_EXE is set and clang project is enabled. \ |
| BOLT_CLANG_EXE will be used for BOLT tests.") |
| endif() |
| if ("clang" IN_LIST LLVM_ENABLE_PROJECTS OR BOLT_CLANG_EXE) |
| set(BOLT_CLANG_PRESENT ON) |
| endif() |
| |
| if ("lld" IN_LIST LLVM_ENABLE_PROJECTS AND BOLT_LLD_EXE) |
| message(WARNING "BOLT_LLD_EXE is set and lld project is enabled. \ |
| BOLT_LLD_EXE will be used for BOLT tests.") |
| endif() |
| if ("lld" IN_LIST LLVM_ENABLE_PROJECTS OR BOLT_LLD_EXE) |
| set(BOLT_LLD_PRESENT ON) |
| endif() |
| |
| if (BOLT_CLANG_PRESENT AND BOLT_LLD_PRESENT) |
| set(BOLT_INCLUDE_TESTS ON) |
| else() |
| message(WARNING "Not including BOLT tests since clang or lld is disabled. \ |
| Add clang and lld to LLVM_ENABLE_PROJECTS or provide paths to clang \ |
| and lld binaries in BOLT_CLANG_EXE and BOLT_LLD_EXE.") |
| endif() |
| endif() |
| |
| if (BOLT_ENABLE_RUNTIME) |
| message(STATUS "Building BOLT runtime libraries for X86") |
| set(extra_args "") |
| if(CMAKE_SYSROOT) |
| list(APPEND extra_args -DCMAKE_SYSROOT=${CMAKE_SYSROOT}) |
| endif() |
| ExternalProject_Add(bolt_rt |
| SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/runtime" |
| STAMP_DIR ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-stamps |
| BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins |
| CMAKE_ARGS -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER} |
| -DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER} |
| -DCMAKE_BUILD_TYPE=Release |
| -DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM} |
| -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX} |
| -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR} |
| ${extra_args} |
| INSTALL_COMMAND "" |
| BUILD_ALWAYS True |
| ) |
| install(CODE "execute_process\(COMMAND \${CMAKE_COMMAND} -DCMAKE_INSTALL_PREFIX=\${CMAKE_INSTALL_PREFIX} -P ${CMAKE_CURRENT_BINARY_DIR}/bolt_rt-bins/cmake_install.cmake \)" |
| COMPONENT bolt) |
| add_llvm_install_targets(install-bolt_rt |
| DEPENDS bolt_rt bolt |
| COMPONENT bolt) |
| endif() |
| |
| find_program(GNU_LD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.bfd ld.bfd DOC "GNU ld") |
| |
| include(AddBOLT) |
| |
| option(BOLT_BUILD_TOOLS |
| "Build the BOLT tools. If OFF, just generate build targets." ON) |
| |
| add_custom_target(bolt) |
| set_target_properties(bolt PROPERTIES FOLDER "BOLT/Metatargets") |
| add_llvm_install_targets(install-bolt DEPENDS bolt COMPONENT bolt) |
| |
| include_directories( |
| ${CMAKE_CURRENT_SOURCE_DIR}/include |
| ${CMAKE_CURRENT_BINARY_DIR}/include |
| ) |
| |
| add_subdirectory(lib) |
| add_subdirectory(tools) |
| |
| if (BOLT_INCLUDE_TESTS) |
| if (EXISTS ${LLVM_THIRD_PARTY_DIR}/unittest/googletest/include/gtest/gtest.h) |
| add_subdirectory(unittests) |
| list(APPEND BOLT_TEST_DEPS BoltUnitTests) |
| endif() |
| add_subdirectory(test) |
| endif() |
| |
| option(BOLT_INCLUDE_DOCS "Generate build targets for the BOLT docs." |
| ${LLVM_INCLUDE_DOCS}) |
| if (BOLT_INCLUDE_DOCS) |
| add_subdirectory(docs) |
| endif() |
| |
| configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc.in |
| ${CMAKE_CURRENT_BINARY_DIR}/include/bolt/RuntimeLibs/RuntimeLibraryVariables.inc @ONLY) |