function(clr_pgo_unknown_arch) if (WIN32) message(FATAL_ERROR "Only AMD64, ARM and I386 are supported for PGO") else() message(FATAL_ERROR "PGO not currently supported on the current platform") endif() endfunction(clr_pgo_unknown_arch) # Adds Profile Guided Optimization (PGO) flags to the current target function(add_pgo TargetName) if(WIN32) set(ProfileFileName "${TargetName}.pgd") endif(WIN32) file(TO_NATIVE_PATH "${CLR_CMAKE_PACKAGES_DIR}/Microsoft.DotNet.OptimizationData.Coreclr/${CLR_CMAKE_TARGET_OS}.${CLR_CMAKE_TARGET_ARCH}/${ProfileFileName}" ProfilePath ) # Enable PGO only for optimized configs set(ConfigTypeList RELEASE RELWITHDEBINFO) foreach(ConfigType IN LISTS ConfigTypeList) set(LinkFlagsProperty "LINK_FLAGS_${ConfigType}") if(CLR_CMAKE_PGO_INSTRUMENT) if(WIN32) set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /GENPROFILE") endif(WIN32) else(CLR_CMAKE_PGO_INSTRUMENT) # If we don't have profile data availble, gracefully fall back to a non-PGO opt build if(EXISTS ${ProfilePath}) if(WIN32) set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /USEPROFILE:PGD=${ProfilePath}") endif(WIN32) endif(EXISTS ${ProfilePath}) endif(CLR_CMAKE_PGO_INSTRUMENT) endforeach(ConfigType) endfunction(add_pgo) if(WIN32) if(CLR_CMAKE_PGO_INSTRUMENT) # Instrumented PGO binaries on Windows introduce an additional runtime dependency, pgort.dll. # Make sure we copy it next to the installed product to make it easier to redistribute the package. string(SUBSTRING ${CMAKE_VS_PLATFORM_TOOLSET} 1 -1 VS_PLATFORM_VERSION_NUMBER) set(PGORT_FILENAME "pgort${VS_PLATFORM_VERSION_NUMBER}.dll") get_filename_component(PATH_CXX_ROOTDIR ${CMAKE_CXX_COMPILER} DIRECTORY) if(CLR_CMAKE_PLATFORM_ARCH_I386) set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/${PGORT_FILENAME}") elseif(CLR_CMAKE_PLATFORM_ARCH_AMD64) set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../amd64/${PGORT_FILENAME}") elseif(CLR_CMAKE_PLATFORM_ARCH_ARM) set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../arm/${PGORT_FILENAME}") else() clr_pgo_unknown_arch() endif() if (EXISTS ${PATH_VS_PGORT_DLL}) message(STATUS "Found PGO runtime: ${PATH_VS_PGORT_DLL}") install(PROGRAMS ${PATH_VS_PGORT_DLL} DESTINATION .) else() message(FATAL_ERROR "file not found: ${PATH_VS_PGORT_DLL}") endif() endif(CLR_CMAKE_PGO_INSTRUMENT) endif(WIN32)