diff options
Diffstat (limited to 'pgosupport.cmake')
| -rw-r--r-- | pgosupport.cmake | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/pgosupport.cmake b/pgosupport.cmake new file mode 100644 index 0000000000..27fe13df6d --- /dev/null +++ b/pgosupport.cmake @@ -0,0 +1,80 @@ +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}/${CLR_CMAKE_OPTDATA_PACKAGEWITHRID}/${CLR_CMAKE_OPTDATA_VERSION}/data/${ProfileFileName}" + ProfilePath + ) + + # Enable PGO only for optimized configs + set(ConfigTypeList RELEASE RELWITHDEBINFO) + + foreach(ConfigType IN LISTS ConfigTypeList) + set(LinkFlagsProperty "LINK_FLAGS_${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 ${ProfilePath}) + endif(CLR_CMAKE_PGO_INSTRUMENT) + endforeach(ConfigType) +endfunction(add_pgo) + +set(CLR_CMAKE_OPTDATA_PACKAGEID "optimization.PGO.CoreCLR") +set(CLR_CMAKE_OPTDATA_PACKAGEWITHRID "optimization.${CLR_CMAKE_TARGET_OS}-${CLR_CMAKE_TARGET_ARCH}.PGO.CoreCLR") + +# Parse optdata package version from project.json +file(TO_NATIVE_PATH "${CMAKE_SOURCE_DIR}/extract-from-json.py" ExtractFromJsonScript) +file(TO_NATIVE_PATH "${CMAKE_SOURCE_DIR}/src/.nuget/optdata/project.json" OptDataProjectJsonPath) +execute_process( + COMMAND python "${ExtractFromJsonScript}" -rf "${OptDataProjectJsonPath}" dependencies "${CLR_CMAKE_OPTDATA_PACKAGEID}" + OUTPUT_VARIABLE CLR_CMAKE_OPTDATA_VERSION + OUTPUT_STRIP_TRAILING_WHITESPACE +) + +if(WIN32) + if(CLR_CMAKE_PGO_INSTRUMENT) + # Instrumented PGO binaries on Windows introduce an additional runtime dependency, pgort<ver>.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) |