1 function(clr_pgo_unknown_arch)
3 message(FATAL_ERROR "Only AMD64, ARM and I386 are supported for PGO")
5 message(FATAL_ERROR "PGO not currently supported on the current platform")
7 endfunction(clr_pgo_unknown_arch)
9 # Adds Profile Guided Optimization (PGO) flags to the current target
10 function(add_pgo TargetName)
12 set(ProfileFileName "${TargetName}.pgd")
15 set(CLR_CMAKE_OPTDATA_PACKAGEWITHRID "optimization.${CLR_CMAKE_TARGET_OS}-${CLR_CMAKE_TARGET_ARCH}.PGO.CoreCLR")
17 "${CLR_CMAKE_PACKAGES_DIR}/${CLR_CMAKE_OPTDATA_PACKAGEWITHRID}/${CLR_CMAKE_OPTDATA_VERSION}/data/${ProfileFileName}"
21 # Enable PGO only for optimized configs
22 set(ConfigTypeList RELEASE RELWITHDEBINFO)
24 foreach(ConfigType IN LISTS ConfigTypeList)
25 set(LinkFlagsProperty "LINK_FLAGS_${ConfigType}")
26 if(CLR_CMAKE_PGO_INSTRUMENT)
28 set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /GENPROFILE")
30 else(CLR_CMAKE_PGO_INSTRUMENT)
31 # If we don't have profile data availble, gracefully fall back to a non-PGO opt build
32 if(EXISTS ${ProfilePath})
34 set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /USEPROFILE:PGD=${ProfilePath}")
36 endif(EXISTS ${ProfilePath})
37 endif(CLR_CMAKE_PGO_INSTRUMENT)
38 endforeach(ConfigType)
42 if(CLR_CMAKE_PGO_INSTRUMENT)
43 # Instrumented PGO binaries on Windows introduce an additional runtime dependency, pgort<ver>.dll.
44 # Make sure we copy it next to the installed product to make it easier to redistribute the package.
46 string(SUBSTRING ${CMAKE_VS_PLATFORM_TOOLSET} 1 -1 VS_PLATFORM_VERSION_NUMBER)
47 set(PGORT_FILENAME "pgort${VS_PLATFORM_VERSION_NUMBER}.dll")
49 get_filename_component(PATH_CXX_ROOTDIR ${CMAKE_CXX_COMPILER} DIRECTORY)
51 if(CLR_CMAKE_PLATFORM_ARCH_I386)
52 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/${PGORT_FILENAME}")
53 elseif(CLR_CMAKE_PLATFORM_ARCH_AMD64)
54 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../amd64/${PGORT_FILENAME}")
55 elseif(CLR_CMAKE_PLATFORM_ARCH_ARM)
56 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../arm/${PGORT_FILENAME}")
58 clr_pgo_unknown_arch()
61 if (EXISTS ${PATH_VS_PGORT_DLL})
62 message(STATUS "Found PGO runtime: ${PATH_VS_PGORT_DLL}")
63 install(PROGRAMS ${PATH_VS_PGORT_DLL} DESTINATION .)
65 message(FATAL_ERROR "file not found: ${PATH_VS_PGORT_DLL}")
68 endif(CLR_CMAKE_PGO_INSTRUMENT)