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CMake: Add option for partial LTO

This commit is contained in:
TellowKrinkle 2021-09-01 22:32:14 -05:00 committed by Kojin
parent 7ede817241
commit 83e9513623
2 changed files with 20 additions and 6 deletions
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1
cmake/BuildParameters.cmake
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@ -18,6 +18,7 @@ set(PCSX2_DEFS "")
option(DISABLE_BUILD_DATE "Disable including the binary compile date")
option(ENABLE_TESTS "Enables building the unit tests" ON)
option(USE_SYSTEM_YAML "Uses a system version of yaml, if found")
option(LTO_PCSX2_CORE "Enable LTO/IPO/LTCG on the subset of pcsx2 that benefits most from it but not anything else")
if(WIN32)
set(DEFAULT_NATIVE_TOOLS ON)

25
pcsx2/CMakeLists.txt
View File

@ -1364,10 +1364,27 @@ set(pcsx2x86Headers
x86/R5900_Profiler.h
)
# common Sources
target_sources(PCSX2 PRIVATE
# These ones benefit a lot from LTO
set(pcsx2LTOSources
${pcsx2Sources}
${pcsx2Headers}
${pcsx2IPUSources}
${pcsx2IPUHeaders}
${pcsx2x86Sources}
${pcsx2x86Headers}
)
if(LTO_PCSX2_CORE)
add_library(PCSX2_LTO ${pcsx2LTOSources})
target_link_libraries(PCSX2_LTO PRIVATE PCSX2_FLAGS)
target_link_libraries(PCSX2 PRIVATE PCSX2_LTO)
set_target_properties(PCSX2_LTO PROPERTIES INTERPROCEDURAL_OPTIMIZATION true)
else()
target_sources(PCSX2 PRIVATE ${pcsx2LTOSources})
endif()
# common Sources
target_sources(PCSX2 PRIVATE
${pcsx2CDVDSources}
${pcsx2CDVDHeaders}
${pcsx2SPU2Sources}
@ -1383,8 +1400,6 @@ target_sources(PCSX2 PRIVATE
${pcsx2GuiSources}
${pcsx2GuiResources}
${pcsx2GuiHeaders}
${pcsx2IPUSources}
${pcsx2IPUHeaders}
${pcsx2ps2Sources}
${pcsx2ps2Headers}
${pcsx2RecordingSources}
@ -1394,8 +1409,6 @@ target_sources(PCSX2 PRIVATE
${pcsx2SystemHeaders}
${pcsx2UtilitiesSources}
${pcsx2UtilitiesHeaders}
${pcsx2x86Sources}
${pcsx2x86Headers}
${pcsx2ZipToolsSources}
${pcsx2ZipToolsHeaders})