diff --git a/openmp/libomptarget/DeviceRTL/CMakeLists.txt b/openmp/libomptarget/DeviceRTL/CMakeLists.txt --- a/openmp/libomptarget/DeviceRTL/CMakeLists.txt +++ b/openmp/libomptarget/DeviceRTL/CMakeLists.txt @@ -29,7 +29,7 @@ find_program(LINK_TOOL llvm-link PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) find_program(OPT_TOOL opt PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) - libomptarget_say("Building Device RTL. Using clang: ${CLANG_TOOL}") + libomptarget_say("Building DeviceRTL. Using clang: ${CLANG_TOOL}") elseif (LLVM_TOOL_CLANG_BUILD AND NOT CMAKE_CROSSCOMPILING AND NOT OPENMP_STANDALONE_BUILD) # LLVM in-tree builds may use CMake target names to discover the tools. set(CLANG_TOOL $) @@ -63,7 +63,7 @@ set(all_capabilities 35 37 50 52 53 60 61 62 70 72 75 80) set(LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES ${all_capabilities} CACHE STRING - "List of CUDA Compute Capabilities to be used to compile the NVPTX device RTL.") + "List of CUDA Compute Capabilities to be used to compile the NVPTX DeviceRTL.") string(TOLOWER ${LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES} LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES) if (LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES STREQUAL "all") @@ -80,7 +80,7 @@ # If user set LIBOMPTARGET_NVPTX_COMPUTE_CAPABILITIES to empty, we disable the # build. if (NOT nvptx_sm_list) - libomptarget_say("Not building CUDA offloading device RTL: empty compute capability list") + libomptarget_say("Not building CUDA offloading DeviceRTL: empty compute capability list") return() endif() @@ -91,6 +91,12 @@ endif() endforeach() +set(amdgpu_mcpus gfx700 gfx701 gfx801 gfx803 gfx900 gfx902 gfx906 gfx908 gfx90a gfx1010 gfx1030 gfx1031) +if (DEFINED LIBOMPTARGET_AMDGCN_GFXLIST) + set(amdgpu_mcpus ${LIBOMPTARGET_AMDGCN_GFXLIST}) +endif() + + # Activate RTL message dumps if requested by the user. set(LIBOMPTARGET_DEVICE_DEBUG FALSE CACHE BOOL "Activate DeviceRTL debug messages.") @@ -121,11 +127,9 @@ # Set flags for LLVM Bitcode compilation. set(bc_flags -S -x c++ -std=c++17 ${clang_opt_flags} - -target nvptx64 -Xclang -emit-llvm-bc -Xclang -aux-triple -Xclang ${aux_triple} -fopenmp -fopenmp-cuda-mode -Xclang -fopenmp-is-device - -Xclang -target-feature -Xclang +ptx61 -I${include_directory} -I${devicertl_base_directory}/../include ${LIBOMPTARGET_LLVM_INCLUDE_DIRS_DEVICERTL} @@ -137,23 +141,21 @@ list(APPEND bc_flags -DOMPTARGET_DEBUG=0) endif() -# Create target to build all Bitcode libraries. -add_custom_target(omptarget-new-nvptx-bc) -add_dependencies(omptarget-new-nvptx-bc opt llvm-link) +function(compileDeviceRTLLibrary target_cpu target_name) + set(target_bc_flags ${ARGN}) -# Generate a Bitcode library for all the compute capabilities the user requested -foreach(sm ${nvptx_sm_list}) - # TODO: replace this with declare variant and isa selector. - set(cuda_flags -Xclang -target-cpu -Xclang sm_${sm} "-D__CUDA_ARCH__=${sm}0") set(bc_files "") foreach(src ${src_files}) get_filename_component(infile ${src} ABSOLUTE) get_filename_component(outfile ${src} NAME) - set(outfile "${outfile}-sm_${sm}.bc") + set(outfile "${outfile}-${target_cpu}.bc") add_custom_command(OUTPUT ${outfile} - COMMAND ${CLANG_TOOL} ${bc_flags} - ${cuda_flags} ${infile} -o ${outfile} + COMMAND ${CLANG_TOOL} + ${bc_flags} + -Xclang -target-cpu -Xclang ${target_cpu} + ${target_bc_flags} + ${infile} -o ${outfile} DEPENDS ${infile} IMPLICIT_DEPENDS CXX ${infile} COMMENT "Building LLVM bitcode ${outfile}" @@ -173,43 +175,41 @@ list(APPEND bc_files ${outfile}) endforeach() - set(bclib_name "libomptarget-new-nvptx-sm_${sm}.bc") + set(bclib_name "libomptarget-new-${target_name}-${target_cpu}.bc") # Link to a bitcode library. - add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/linked_${bclib_name} COMMAND ${LINK_TOOL} - -o ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} ${bc_files} + -o ${CMAKE_CURRENT_BINARY_DIR}/linked_${bclib_name} ${bc_files} DEPENDS ${bc_files} COMMENT "Linking LLVM bitcode ${bclib_name}" ) - add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name}_opt - COMMAND ${OPT_TOOL} ${link_opt_flags} ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} + COMMAND ${OPT_TOOL} ${link_opt_flags} ${CMAKE_CURRENT_BINARY_DIR}/linked_${bclib_name} -o ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} - DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} + DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/linked_${bclib_name} COMMENT "Optimizing LLVM bitcode ${bclib_name}" ) # Add a file-level dependency to ensure that llvm-link and opt are up-to-date. # By default, add_custom_command only builds the tool if the executable is missing if("${LINK_TOOL}" STREQUAL "$") - add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/linked_${bclib_name} DEPENDS llvm-link APPEND) endif() if("${OPT_TOOL}" STREQUAL "$") - add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name}_opt + add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} DEPENDS opt APPEND) endif() set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES ${bclib_name}) - set(bclib_target_name "omptarget-new-nvptx-sm_${sm}-bc") + set(bclib_target_name "omptarget-new-${target_name}-${target_cpu}-bc") - add_custom_target(${bclib_target_name} ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name}_opt) - add_dependencies(omptarget-new-nvptx-bc ${bclib_target_name}) - add_dependencies(${bclib_target_name} opt llvm-link) + add_custom_target(${bclib_target_name} ALL DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name}) # Copy library to destination. add_custom_command(TARGET ${bclib_target_name} POST_BUILD @@ -218,4 +218,14 @@ # Install bitcode library under the lib destination folder. install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${bclib_name} DESTINATION "${OPENMP_INSTALL_LIBDIR}") +endfunction() + +# Generate a Bitcode library for all the compute capabilities the user requested +foreach(sm ${nvptx_sm_list}) + compileDeviceRTLLibrary(sm_${sm} nvptx -target nvptx64 -Xclang -target-feature -Xclang +ptx61 "-D__CUDA_ARCH__=${sm}0") +endforeach() + +foreach(mcpu ${amdgpu_mcpus}) + # require D112227 or similar to enable the compilation for amdgpu + # compileDeviceRTLLibrary(${mcpu} amdgpu -target amdgcn-amd-amdhsa -D__AMDGCN__ -fvisibility=default -nogpulib) endforeach()