mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-24 15:26:24 +00:00
0a74cbfac4
The libclc build system isn't well set up to pass arbitrary options to arbitrary source files in a non-intrusive way. There isn't currently any other motivating example to warrant rewriting the build system just to satisfy this requirement. So this commit uses a filename-based approach to inserting this option into the list of compile flags.
442 lines
15 KiB
CMake
442 lines
15 KiB
CMake
cmake_minimum_required(VERSION 3.20.0)
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if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
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project(libclc VERSION 0.2.0 LANGUAGES CXX C)
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endif()
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set(LLVM_SUBPROJECT_TITLE "libclc")
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set(CMAKE_CXX_STANDARD 17)
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# Add path for custom modules
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list( INSERT CMAKE_MODULE_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" )
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set( LIBCLC_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR} )
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set( LIBCLC_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR} )
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set( LIBCLC_OBJFILE_DIR ${LIBCLC_BINARY_DIR}/obj.libclc.dir )
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include( AddLibclc )
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include( GNUInstallDirs )
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
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amdgcn-amdhsa/lib/SOURCES;
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amdgcn/lib/SOURCES;
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amdgpu/lib/SOURCES;
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clspv/lib/SOURCES;
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generic/lib/SOURCES;
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ptx-nvidiacl/lib/SOURCES;
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r600/lib/SOURCES;
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spirv/lib/SOURCES;
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# CLC internal libraries
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clc/lib/generic/SOURCES;
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clc/lib/amdgcn/SOURCES;
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clc/lib/amdgpu/SOURCES;
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clc/lib/clspv/SOURCES;
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clc/lib/r600/SOURCES;
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clc/lib/spirv/SOURCES;
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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 libclc targets to build, or 'all'." )
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option( ENABLE_RUNTIME_SUBNORMAL "Enable runtime linking of subnormal support." OFF )
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if( LIBCLC_STANDALONE_BUILD OR CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR )
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# Out-of-tree configuration
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set( LIBCLC_STANDALONE_BUILD TRUE )
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find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_DIR}")
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include(AddLLVM)
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message( STATUS "libclc LLVM version: ${LLVM_PACKAGE_VERSION}" )
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if( LLVM_PACKAGE_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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# Import required tools
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if( NOT EXISTS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
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foreach( tool IN ITEMS clang llvm-as llvm-link opt )
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find_program( LLVM_TOOL_${tool} ${tool} PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )
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set( ${tool}_exe ${LLVM_TOOL_${tool}} )
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set( ${tool}_target )
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endforeach()
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endif()
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else()
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# In-tree configuration
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set( LIBCLC_STANDALONE_BUILD FALSE )
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set( LLVM_PACKAGE_VERSION ${LLVM_VERSION} )
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# Note that we check this later (for both build types) but we can provide a
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# more useful error message when built in-tree. We assume that LLVM tools are
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# always available so don't warn here.
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if( NOT clang IN_LIST LLVM_ENABLE_PROJECTS )
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message(FATAL_ERROR "Clang is not enabled, but is required to build libclc in-tree")
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endif()
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if( NOT EXISTS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
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get_host_tool_path( clang CLANG clang_exe clang_target )
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get_host_tool_path( llvm-as LLVM_AS llvm-as_exe llvm-as_target )
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get_host_tool_path( llvm-link LLVM_LINK llvm-link_exe llvm-link_target )
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get_host_tool_path( opt OPT opt_exe opt_target )
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endif()
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endif()
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if( EXISTS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} )
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message( WARNING "Using custom LLVM tools to build libclc: "
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"${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR}, "
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" ensure the tools are up to date." )
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# Note - use a differently named variable than LLVM_TOOL_${tool} as above, as
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# the variable name is used to cache the result of find_program. If we used
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# the same name, a user wouldn't be able to switch a build between default
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# and custom tools.
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foreach( tool IN ITEMS clang llvm-as llvm-link opt )
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find_program( LLVM_CUSTOM_TOOL_${tool} ${tool}
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PATHS ${LIBCLC_CUSTOM_LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH )
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set( ${tool}_exe ${LLVM_CUSTOM_TOOL_${tool}} )
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set( ${tool}_target )
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endforeach()
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endif()
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foreach( tool IN ITEMS clang opt llvm-as llvm-link )
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if( NOT EXISTS "${${tool}_exe}" AND "${tool}_target" STREQUAL "" )
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message( FATAL_ERROR "libclc toolchain incomplete - missing tool ${tool}!" )
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endif()
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endforeach()
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# llvm-spirv is an optional dependency, used to build spirv-* targets.
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# It may be provided in-tree or externally.
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if( TARGET llvm-spirv )
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get_host_tool_path( llvm-spirv LLVM_SPIRV llvm-spirv_exe llvm-spirv_target )
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else()
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find_program( LLVM_SPIRV llvm-spirv HINTS ${LLVM_TOOLS_BINARY_DIR} )
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set( llvm-spirv_exe "${LLVM_SPIRV}" )
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set( llvm-spirv_target )
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endif()
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# List of all targets. Note that some are added dynamically below.
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set( LIBCLC_TARGETS_ALL
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amdgcn--
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amdgcn--amdhsa
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clspv--
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clspv64--
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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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# mesa3d environment is only available since LLVM 4.0
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if( LLVM_PACKAGE_VERSION VERSION_GREATER_EQUAL 4.0.0 )
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list( APPEND LIBCLC_TARGETS_ALL amdgcn-mesa-mesa3d )
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endif()
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# spirv-mesa3d and spirv64-mesa3d targets can only be built with the (optional)
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# llvm-spirv external tool.
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if( llvm-spirv_exe )
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list( APPEND LIBCLC_TARGETS_ALL spirv-mesa3d- spirv64-mesa3d- )
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endif()
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# Verify that the user hasn't requested mesa3d targets without an available
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# llvm-spirv tool.
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if( "spirv-mesa3d-" IN_LIST LIBCLC_TARGETS_TO_BUILD OR "spirv64-mesa3d-" IN_LIST LIBCLC_TARGETS_TO_BUILD )
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if( NOT llvm-spirv_exe )
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message( FATAL_ERROR "SPIR-V targets requested, but spirv-tools is not installed" )
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endif()
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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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else()
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foreach(TARGET_TO_BUILD ${LIBCLC_TARGETS_TO_BUILD})
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if (NOT ${TARGET_TO_BUILD} IN_LIST LIBCLC_TARGETS_ALL)
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message ( FATAL_ERROR "Unknown target in LIBCLC_TARGETS_TO_BUILD: \"${TARGET_TO_BUILD}\"\n"
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"Valid targets are: ${LIBCLC_TARGETS_ALL}\n")
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endif()
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endforeach()
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endif()
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list( SORT LIBCLC_TARGETS_TO_BUILD )
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# Construct LLVM version define
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set( LLVM_VERSION_DEFINE "-DHAVE_LLVM=0x${LLVM_VERSION_MAJOR}0${LLVM_VERSION_MINOR}" )
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# This needs to be set before any target that needs it
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# We need to use LLVM_INCLUDE_DIRS here, because if we are linking to an
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# llvm build directory, this includes $src/llvm/include which is where all the
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# headers are not $build/include/ which is what LLVM_INCLUDE_DIR is set to.
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include_directories( ${LLVM_INCLUDE_DIRS} )
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# Setup prepare_builtins tools
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set(LLVM_LINK_COMPONENTS
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BitReader
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BitWriter
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Core
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IRReader
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Support
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)
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if( LIBCLC_STANDALONE_BUILD )
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add_llvm_executable( prepare_builtins utils/prepare-builtins.cpp )
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set( prepare_builtins_exe prepare_builtins )
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set( prepare_builtins_target prepare_builtins )
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else()
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add_llvm_utility( prepare_builtins utils/prepare-builtins.cpp )
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setup_host_tool( prepare_builtins PREPARE_BUILTINS prepare_builtins_exe prepare_builtins_target )
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endif()
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target_compile_definitions( prepare_builtins PRIVATE ${LLVM_VERSION_DEFINE} )
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# These were not properly reported in early LLVM and we don't need them
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target_compile_options( prepare_builtins PRIVATE -fno-rtti -fno-exceptions )
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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( clspv--_devices none )
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set( clspv64--_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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set( spirv-mesa3d-_devices none )
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set( spirv64-mesa3d-_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 tongapro iceland carrizo fiji stoney polaris10 polaris11
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gfx602 gfx705 gfx805
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gfx900 gfx902 gfx904 gfx906 gfx908 gfx909 gfx90a gfx90c gfx942 gfx950
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gfx1010 gfx1011 gfx1012 gfx1013
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gfx1030 gfx1031 gfx1032 gfx1033 gfx1034 gfx1035 gfx1036
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gfx1100 gfx1101 gfx1102 gfx1103
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gfx1150 gfx1151 gfx1152 gfx1153
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gfx1200 gfx1201
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)
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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 ${CMAKE_CURRENT_BINARY_DIR}/libclc.pc DESTINATION "${CMAKE_INSTALL_DATADIR}/pkgconfig" )
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if( ENABLE_RUNTIME_SUBNORMAL )
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foreach( file IN ITEMS subnormal_use_default subnormal_disable )
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link_bc(
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TARGET ${file}
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INPUTS ${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/${file}.ll
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)
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install(
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FILES $<TARGET_PROPERTY:${file},TARGET_FILE>
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DESTINATION "${CMAKE_INSTALL_DATADIR}/clc"
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)
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endforeach()
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endif()
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find_package( Python3 REQUIRED COMPONENTS Interpreter )
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file( TO_CMAKE_PATH ${CMAKE_CURRENT_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 ${Python3_EXECUTABLE} ${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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set_target_properties( generate-convert.cl PROPERTIES FOLDER "libclc/Sourcegenning" )
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add_custom_command(
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OUTPUT clc-convert.cl
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COMMAND ${Python3_EXECUTABLE} ${script_loc} --clc > clc-convert.cl
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DEPENDS ${script_loc} )
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add_custom_target( generate-clc-convert.cl DEPENDS clc-convert.cl )
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set_target_properties( generate-clc-convert.cl PROPERTIES FOLDER "libclc/Sourcegenning" )
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if ( clspv-- IN_LIST LIBCLC_TARGETS_TO_BUILD OR clspv64-- IN_LIST LIBCLC_TARGETS_TO_BUILD )
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add_custom_command(
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OUTPUT clspv-convert.cl
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COMMAND ${Python3_EXECUTABLE} ${script_loc} --clspv > clspv-convert.cl
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DEPENDS ${script_loc} )
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add_custom_target( generate-clspv-convert.cl DEPENDS clspv-convert.cl )
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set_target_properties( generate-clspv-convert.cl PROPERTIES FOLDER "libclc/Sourcegenning" )
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endif()
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set_source_files_properties(
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_cos.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_divide.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp10.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_exp2.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log10.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_log2.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_powr.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_recip.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_rsqrt.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_sin.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_sqrt.cl
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${CMAKE_CURRENT_SOURCE_DIR}/generic/lib/math/native_tan.cl
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${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_exp.cl
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${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_log.cl
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${CMAKE_CURRENT_SOURCE_DIR}/amdgpu/lib/math/native_log10.cl
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${CMAKE_CURRENT_SOURCE_DIR}/r600/lib/math/native_rsqrt.cl
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PROPERTIES COMPILE_OPTIONS -fapprox-func
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)
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enable_testing()
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foreach( t ${LIBCLC_TARGETS_TO_BUILD} )
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message( STATUS "libclc target '${t}' is enabled" )
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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( opencl_dirs )
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if( ${ARCH} STREQUAL r600 OR ${ARCH} STREQUAL amdgcn )
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list( APPEND opencl_dirs amdgpu )
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endif()
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# Some targets' directories alias others
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if( ${ARCH} STREQUAL nvptx OR ${ARCH} STREQUAL nvptx64 )
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set( DARCH ptx )
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elseif( ${ARCH} STREQUAL clspv OR ${ARCH} STREQUAL clspv64 )
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set( DARCH clspv )
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elseif( ${ARCH} STREQUAL spirv OR ${ARCH} STREQUAL spirv64 )
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set( DARCH spirv )
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elseif( ${ARCH} STREQUAL amdgcn-mesa3d )
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set( DARCH amdgcn-amdhsa )
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else()
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set( DARCH ${ARCH} )
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endif()
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# Append a variety of target- and triple-based directories to search,
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# increasing in specificity.
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list( APPEND opencl_dirs ${DARCH} ${DARCH}-${OS} ${DARCH}-${VENDOR}-${OS} )
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# The 'generic' directory contains all of the generic implementations of the
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# builtins. It is included first so it has the lowest search priority,
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# allowing targets to override builtins based on file names found later in
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# the list of search directories.
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# CLC builds all builtins for all targets, so unconditionally prepend the
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# 'generic' directory.
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set( clc_dirs generic ${opencl_dirs} )
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# Some OpenCL targets don't build all builtins, in which case they don't want
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# the 'generic' directory. Otherwise, prepend the 'generic' directory.
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if ( NOT ARCH STREQUAL spirv AND NOT ARCH STREQUAL spirv64 AND
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NOT ARCH STREQUAL clspv AND NOT ARCH STREQUAL clspv64)
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list( PREPEND opencl_dirs generic )
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endif()
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set( clc_lib_files )
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set( clc_gen_files clc-convert.cl )
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libclc_configure_lib_source(
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clc_lib_files
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CLC_INTERNAL
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LIB_ROOT_DIR clc
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DIRS ${clc_dirs}
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)
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set( opencl_lib_files )
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set( opencl_gen_files )
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if( NOT ARCH STREQUAL spirv AND NOT ARCH STREQUAL spirv64 )
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if( ARCH STREQUAL clspv OR ARCH STREQUAL clspv64 )
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list( APPEND opencl_gen_files clspv-convert.cl )
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else()
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list( APPEND opencl_gen_files convert.cl )
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if ( NOT ENABLE_RUNTIME_SUBNORMAL )
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list( APPEND opencl_lib_files generic/lib/subnormal_use_default.ll )
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endif()
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endif()
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endif()
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libclc_configure_lib_source(
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opencl_lib_files
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DIRS ${opencl_dirs}
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)
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foreach( d ${${t}_devices} )
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get_libclc_device_info(
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TRIPLE ${t}
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DEVICE ${d}
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CPU cpu
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ARCH_SUFFIX arch_suffix
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CLANG_TRIPLE clang_triple
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)
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message( STATUS " device: ${d} ( ${${d}_aliases} )" )
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if ( ARCH STREQUAL spirv OR ARCH STREQUAL spirv64 )
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set( build_flags -O0 -finline-hint-functions -DCLC_SPIRV )
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set( opt_flags )
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set( spvflags --spirv-max-version=1.1 )
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set( MACRO_ARCH SPIRV32 )
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if( ARCH STREQUAL spirv64 )
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set( MACRO_ARCH SPIRV64 )
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endif()
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elseif( ARCH STREQUAL clspv OR ARCH STREQUAL clspv64 )
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set( build_flags "-Wno-unknown-assumption" -DCLC_CLSPV )
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set( opt_flags -O3 )
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set( MACRO_ARCH CLSPV32 )
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if( ARCH STREQUAL clspv64 )
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set( MACRO_ARCH CLSPV64 )
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endif()
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else()
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set( build_flags )
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set( opt_flags -O3 )
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set( MACRO_ARCH ${ARCH} )
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endif()
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set( LIBCLC_ARCH_OBJFILE_DIR "${LIBCLC_OBJFILE_DIR}/${arch_suffix}" )
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file( MAKE_DIRECTORY ${LIBCLC_ARCH_OBJFILE_DIR} )
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string( TOUPPER "CLC_${MACRO_ARCH}" CLC_TARGET_DEFINE )
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list( APPEND build_flags
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-D${CLC_TARGET_DEFINE}
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# All libclc builtin libraries see CLC headers
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-I${CMAKE_CURRENT_SOURCE_DIR}/clc/include
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)
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if( NOT "${cpu}" STREQUAL "" )
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list( APPEND build_flags -mcpu=${cpu} )
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endif()
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set( clc_build_flags ${build_flags} -DCLC_INTERNAL )
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add_libclc_builtin_set(
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CLC_INTERNAL
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ARCH ${ARCH}
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ARCH_SUFFIX clc-${arch_suffix}
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TRIPLE ${clang_triple}
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COMPILE_FLAGS ${clc_build_flags}
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OPT_FLAGS ${opt_flags}
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LIB_FILES ${clc_lib_files}
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GEN_FILES ${clc_gen_files}
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|
)
|
|
|
|
list( APPEND build_flags
|
|
-I${CMAKE_CURRENT_SOURCE_DIR}/generic/include
|
|
# FIXME: Fix libclc to not require disabling this noisy warning
|
|
-Wno-bitwise-conditional-parentheses
|
|
)
|
|
|
|
add_libclc_builtin_set(
|
|
ARCH ${ARCH}
|
|
ARCH_SUFFIX ${arch_suffix}
|
|
TRIPLE ${clang_triple}
|
|
COMPILE_FLAGS ${build_flags}
|
|
OPT_FLAGS ${opt_flags}
|
|
LIB_FILES ${opencl_lib_files}
|
|
GEN_FILES ${opencl_gen_files}
|
|
ALIASES ${${d}_aliases}
|
|
# Link in the CLC builtins and internalize their symbols
|
|
INTERNAL_LINK_DEPENDENCIES builtins.link.clc-${arch_suffix}
|
|
)
|
|
endforeach( d )
|
|
endforeach( t )
|