forked from OSchip/llvm-project
299 lines
9.9 KiB
CMake
299 lines
9.9 KiB
CMake
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cmake_minimum_required( VERSION 3.9.2 )
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project( libclc VERSION 0.2.0 LANGUAGES CXX )
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# List of all targets
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set( LIBCLC_TARGETS_ALL
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amdgcn--
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amdgcn--amdhsa
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r600--
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nvptx--
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nvptx64--
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nvptx--nvidiacl
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nvptx64--nvidiacl
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)
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set( LIBCLC_MIN_LLVM "3.9.0" )
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set( LIBCLC_TARGETS_TO_BUILD "all"
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CACHE STRING "Semicolon-separated list of targets to build, or 'all'." )
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option( ENABLE_RUNTIME_SUBNORMAL "Enable runtime linking of subnormal support."
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OFF )
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if( NOT LLVM_CONFIG )
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find_program( LLVM_CONFIG llvm-config )
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endif()
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execute_process( COMMAND ${LLVM_CONFIG} "--version"
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OUTPUT_VARIABLE LLVM_VERSION
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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message( "LLVM version: ${LLVM_VERSION}" )
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if( ${LLVM_VERSION} VERSION_LESS ${LIBCLC_MIN_LLVM} )
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message( FATAL_ERROR "libclc needs at least LLVM ${LIBCLC_MIN_LLVM}" )
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endif()
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# mesa3d environment is only available since LLVM 4.0
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if( ${LLVM_VERSION} VERSION_GREATER "3.9.0" )
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set( LIBCLC_TARGETS_ALL ${LIBCLC_TARGETS_ALL} amdgcn-mesa-mesa3d )
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endif()
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if( LIBCLC_TARGETS_TO_BUILD STREQUAL "all" )
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set( LIBCLC_TARGETS_TO_BUILD ${LIBCLC_TARGETS_ALL} )
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endif()
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list( SORT LIBCLC_TARGETS_TO_BUILD )
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execute_process( COMMAND ${LLVM_CONFIG} "--system-libs"
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OUTPUT_VARIABLE LLVM_SYSTEM_LIBS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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execute_process( COMMAND ${LLVM_CONFIG} "--libs" "core" "bitreader" "bitwriter"
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OUTPUT_VARIABLE LLVM_LIBS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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execute_process( COMMAND ${LLVM_CONFIG} "--libdir"
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OUTPUT_VARIABLE LLVM_LIBDIR
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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execute_process( COMMAND ${LLVM_CONFIG} "--ldflags"
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OUTPUT_VARIABLE LLVM_LD_FLAGS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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execute_process( COMMAND ${LLVM_CONFIG} "--cxxflags"
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OUTPUT_VARIABLE LLVM_CXX_FLAGS
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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separate_arguments( LLVM_CXX_FLAGS )
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execute_process( COMMAND ${LLVM_CONFIG} "--bindir"
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OUTPUT_VARIABLE LLVM_BINDIR
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OUTPUT_STRIP_TRAILING_WHITESPACE )
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# These were not properly reported in early LLVM and we don't need them
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set( LLVM_CXX_FLAGS ${LLVM_CXX_FLAGS} -fno-rtti -fno-exceptions )
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# Print LLVM variables
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message( "LLVM system libs: ${LLVM_SYSTEM_LIBS}" )
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message( "LLVM libs: ${LLVM_LIBS}" )
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message( "LLVM libdir: ${LLVM_LIBDIR}" )
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message( "LLVM bindir: ${LLVM_BINDIR}" )
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message( "LLVM ld flags: ${LLVM_LD_FLAGS}" )
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message( "LLVM cxx flags: ${LLVM_CXX_FLAGS}" )
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message( "" )
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find_program( LLVM_CLANG clang PATHS ${LLVM_BINDIR} NO_DEFAULT_PATH )
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find_program( LLVM_AS llvm-as PATHS ${LLVM_BINDIR} NO_DEFAULT_PATH )
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find_program( LLVM_LINK llvm-link PATHS ${LLVM_BINDIR} NO_DEFAULT_PATH )
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find_program( LLVM_OPT opt PATHS ${LLVM_BINDIR} NO_DEFAULT_PATH )
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# Print toolchain
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message( "clang: ${LLVM_CLANG}" )
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message( "llvm-as: ${LLVM_AS}" )
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message( "llvm-link: ${LLVM_LINK}" )
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message( "opt: ${LLVM_OPT}" )
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message( "" )
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if( NOT LLVM_CLANG OR NOT LLVM_OPT OR NOT LLVM_AS OR NOT LLVM_LINK )
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message( FATAL_ERROR "toolchain incomplete!" )
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endif()
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set( CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake )
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set( CMAKE_CLC_COMPILER ${LLVM_CLANG} )
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set( CMAKE_CLC_ARCHIVE ${LLVM_LINK} )
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set( CMAKE_LLAsm_PREPROCESSOR ${LLVM_CLANG} )
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set( CMAKE_LLAsm_COMPILER ${LLVM_AS} )
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set( CMAKE_LLAsm_ARCHIVE ${LLVM_LINK} )
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enable_language( CLC LLAsm )
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# Construct LLVM version define
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string( REPLACE "." ";" LLVM_VERSION_LIST ${LLVM_VERSION} )
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list( GET LLVM_VERSION_LIST 0 LLVM_MAJOR )
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list( GET LLVM_VERSION_LIST 1 LLVM_MINOR )
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set( LLVM_VERSION_DEFINE "-DHAVE_LLVM=0x${LLVM_MAJOR}0${LLVM_MINOR}" )
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# This needs to be set before any target that needs it
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link_directories( ${LLVM_LIBDIR} )
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# Setup prepare_builtins tools
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add_executable( prepare_builtins utils/prepare-builtins.cpp )
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target_compile_options( prepare_builtins PRIVATE ${LLVM_CXX_FLAGS} )
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target_compile_definitions( prepare_builtins PRIVATE ${LLVM_VERSION_DEFINE} )
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target_link_libraries( prepare_builtins PRIVATE ${LLVM_SYSTEM_LIBS} )
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target_link_libraries( prepare_builtins PRIVATE ${LLVM_LIBS} )
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# Setup arch devices
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set( r600--_devices cedar cypress barts cayman )
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set( amdgcn--_devices tahiti )
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set( amdgcn-mesa-mesa3d_devices ${amdgcn--_devices} )
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set( amdgcn--amdhsa_devices none )
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set( nvptx--_devices none )
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set( nvptx64--_devices none )
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set( nvptx--nvidiacl_devices none )
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set( nvptx64--nvidiacl_devices none )
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# Setup aliases
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set( cedar_aliases palm sumo sumo2 redwood juniper )
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set( cypress_aliases hemlock )
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set( barts_aliases turks caicos )
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set( cayman_aliases aruba )
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set( tahiti_aliases pitcairn verde oland hainan bonaire kabini kaveri hawaii
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mullins tonga iceland carrizo fiji stoney polaris10 polaris11 )
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# Support for gfx9 was added in LLVM 5.0 (r295554)
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if( ${LLVM_VERSION} VERSION_GREATER "4.99.99" )
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set( tahiti_aliases ${tahiti_aliases} gfx900 gfx902 )
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endif()
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# Support for Vega12 and Vega20 was added in LLVM 7 (r331215)
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if( ${LLVM_VERSION} VERSION_GREATER "6.99.99" )
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set( tahiti_aliases ${tahiti_aliases} gfx904 gfx906 )
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endif()
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# pkg-config file
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configure_file( libclc.pc.in libclc.pc @ONLY )
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install( FILES ${CMAKE_CURRENT_BINARY_DIR}/libclc.pc DESTINATION share/pkgconfig )
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install( DIRECTORY generic/include/clc DESTINATION include )
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if( ENABLE_RUNTIME_SUBNORMAL )
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add_library( subnormal_use_default STATIC
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generic/lib/subnormal_use_default.ll )
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add_library( subnormal_disable STATIC
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generic/lib/subnormal_disable.ll )
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install( TARGETS subnormal_use_default subnormal_disable ARCHIVE
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DESTINATION lib/clc )
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endif()
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find_program( PYTHON python )
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file( TO_CMAKE_PATH ${CMAKE_SOURCE_DIR}/generic/lib/gen_convert.py script_loc )
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add_custom_command(
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OUTPUT convert.cl
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COMMAND ${PYTHON} ${script_loc} > convert.cl
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DEPENDS ${script_loc} )
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add_custom_target( "generate_convert.cl" DEPENDS convert.cl )
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enable_testing()
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foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
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message( "BUILDING ${t}" )
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string( REPLACE "-" ";" TRIPLE ${t} )
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list( GET TRIPLE 0 ARCH )
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list( GET TRIPLE 1 VENDOR )
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list( GET TRIPLE 2 OS )
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set( dirs generic )
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if( ${ARCH} STREQUAL r600 OR ${ARCH} STREQUAL amdgcn )
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set( dirs ${dirs} amdgpu )
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endif()
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#nvptx is special
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if( ${ARCH} STREQUAL nvptx OR ${ARCH} STREQUAL nvptx64 )
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set( DARCH ptx )
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else()
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set( DARCH ${ARCH} )
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endif()
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# Enumerate SOURCES* files
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set( source_list )
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foreach( l ${dirs} ${DARCH} ${DARCH}-${OS} ${DARCH}-${VENDOR}-${OS} )
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foreach( s "SOURCES" "SOURCES_${LLVM_MAJOR}.${LLVM_MINOR}" )
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file( TO_CMAKE_PATH ${l}/lib/${s} file_loc )
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file( TO_CMAKE_PATH ${CMAKE_SOURCE_DIR}/${file_loc} loc )
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# Prepend the location to give higher priority to
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# specialized implementation
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if( EXISTS ${loc} )
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set( source_list ${file_loc} ${source_list} )
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endif()
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endforeach()
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endforeach()
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# Add the generated convert.cl here to prevent adding
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# the one listed in SOURCES
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set( rel_files convert.cl )
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set( objects convert.cl )
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if( NOT ENABLE_RUNTIME_SUBNORMAL )
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list( APPEND rel_files generic/lib/subnormal_use_default.ll )
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endif()
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foreach( l ${source_list} )
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file( READ ${l} file_list )
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string( REPLACE "\n" ";" file_list ${file_list} )
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get_filename_component( dir ${l} DIRECTORY )
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foreach( f ${file_list} )
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list( FIND objects ${f} found )
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if( found EQUAL -1 )
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list( APPEND objects ${f} )
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list( APPEND rel_files ${dir}/${f} )
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# FIXME: This should really go away
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file( TO_CMAKE_PATH ${CMAKE_SOURCE_DIR}/${dir}/${f} src_loc )
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get_filename_component( fdir ${src_loc} DIRECTORY )
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set_source_files_properties( ${dir}/${f}
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PROPERTIES COMPILE_FLAGS "-I ${fdir}" )
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endif()
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endforeach()
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endforeach()
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foreach( d ${${t}_devices} )
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# Some targets don't have a specific GPU to target
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if( ${d} STREQUAL "none" )
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set( mcpu )
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set( arch_suffix "${t}" )
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else()
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set( mcpu "-mcpu=${d}" )
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set( arch_suffix "${d}-${t}" )
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endif()
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message( " DEVICE: ${d} ( ${${d}_aliases} )" )
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add_library( builtins.link.${arch_suffix} STATIC ${rel_files} )
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# Make sure we depend on the pseudo target to prevent
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# multiple invocations
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add_dependencies( builtins.link.${arch_suffix}
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generate_convert.cl )
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# CMake will turn this include into absolute path
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target_include_directories( builtins.link.${arch_suffix} PRIVATE
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"generic/include" )
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target_compile_definitions( builtins.link.${arch_suffix} PRIVATE
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"__CLC_INTERNAL" )
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target_compile_options( builtins.link.${arch_suffix} PRIVATE -target
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${t} ${mcpu} -fno-builtin )
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set_target_properties( builtins.link.${arch_suffix} PROPERTIES
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LINKER_LANGUAGE CLC )
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set( obj_suffix ${arch_suffix}.bc )
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# Add opt target
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add_custom_command( OUTPUT "builtins.opt.${obj_suffix}"
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COMMAND ${LLVM_OPT} -O3 -o
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"builtins.opt.${obj_suffix}"
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"builtins.link.${obj_suffix}"
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DEPENDS "builtins.link.${arch_suffix}" )
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add_custom_target( "opt.${obj_suffix}" ALL
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DEPENDS "builtins.opt.${obj_suffix}" )
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# Add prepare target
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add_custom_command( OUTPUT "${obj_suffix}"
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COMMAND prepare_builtins -o
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"${obj_suffix}"
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"builtins.opt.${obj_suffix}"
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DEPENDS "opt.${obj_suffix}"
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"builtins.opt.${obj_suffix}"
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prepare_builtins )
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add_custom_target( "prepare-${obj_suffix}" ALL
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DEPENDS "${obj_suffix}" )
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install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${obj_suffix} DESTINATION lib/clc )
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# nvptx-- targets don't include workitem builtins
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if( NOT ${t} MATCHES ".*ptx.*--$" )
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add_test( NAME external-calls-${obj_suffix}
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COMMAND ./check_external_calls.sh ${CMAKE_CURRENT_BINARY_DIR}/${obj_suffix}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR} )
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set_tests_properties( external-calls-${obj_suffix}
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PROPERTIES ENVIRONMENT "LLVM_CONFIG=${LLVM_CONFIG}" )
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endif()
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foreach( a ${${d}_aliases} )
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set( alias_suffix "${a}-${t}.bc" )
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add_custom_target( ${alias_suffix} ALL
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COMMAND ${CMAKE_COMMAND} -E
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create_symlink ${obj_suffix}
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${alias_suffix}
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DEPENDS "prepare-${obj_suffix}" )
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install( FILES ${CMAKE_CURRENT_BINARY_DIR}/${alias_suffix} DESTINATION lib/clc )
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endforeach( a )
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endforeach( d )
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endforeach( t )
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