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 "${TargetName}.pgd")
16 "${CLR_CMAKE_PACKAGES_DIR}/Microsoft.DotNet.OptimizationData.Coreclr/${CLR_CMAKE_TARGET_OS}.${CLR_CMAKE_TARGET_ARCH}/${ProfileFileName}"
20 # Enable PGO only for optimized configs
21 set(ConfigTypeList RELEASE RELWITHDEBINFO)
23 foreach(ConfigType IN LISTS ConfigTypeList)
24 set(LinkFlagsProperty "LINK_FLAGS_${ConfigType}")
25 if(CLR_CMAKE_PGO_INSTRUMENT)
27 set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /GENPROFILE")
29 else(CLR_CMAKE_PGO_INSTRUMENT)
30 # If we don't have profile data availble, gracefully fall back to a non-PGO opt build
31 if(EXISTS ${ProfilePath})
33 set_property(TARGET ${TargetName} APPEND_STRING PROPERTY ${LinkFlagsProperty} "/LTCG /USEPROFILE:PGD=${ProfilePath}")
35 endif(EXISTS ${ProfilePath})
36 endif(CLR_CMAKE_PGO_INSTRUMENT)
37 endforeach(ConfigType)
41 if(CLR_CMAKE_PGO_INSTRUMENT)
42 # Instrumented PGO binaries on Windows introduce an additional runtime dependency, pgort<ver>.dll.
43 # Make sure we copy it next to the installed product to make it easier to redistribute the package.
45 string(SUBSTRING ${CMAKE_VS_PLATFORM_TOOLSET} 1 -1 VS_PLATFORM_VERSION_NUMBER)
46 set(PGORT_FILENAME "pgort${VS_PLATFORM_VERSION_NUMBER}.dll")
48 get_filename_component(PATH_CXX_ROOTDIR ${CMAKE_CXX_COMPILER} DIRECTORY)
50 if(CLR_CMAKE_PLATFORM_ARCH_I386)
51 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/${PGORT_FILENAME}")
52 elseif(CLR_CMAKE_PLATFORM_ARCH_AMD64)
53 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../amd64/${PGORT_FILENAME}")
54 elseif(CLR_CMAKE_PLATFORM_ARCH_ARM)
55 set(PATH_VS_PGORT_DLL "${PATH_CXX_ROOTDIR}/../arm/${PGORT_FILENAME}")
57 clr_pgo_unknown_arch()
60 if (EXISTS ${PATH_VS_PGORT_DLL})
61 message(STATUS "Found PGO runtime: ${PATH_VS_PGORT_DLL}")
62 install(PROGRAMS ${PATH_VS_PGORT_DLL} DESTINATION .)
64 message(FATAL_ERROR "file not found: ${PATH_VS_PGORT_DLL}")
67 endif(CLR_CMAKE_PGO_INSTRUMENT)