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Use LTO for linux as well #103058

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Use LTO for linux as well #103058

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024055e
Use LTO for linux as well
kunalspathak Jun 5, 2024
01790d1
dummy change in jit folder
kunalspathak Jun 5, 2024
f6a9180
Merge remote-tracking branch 'origin/main' into linux-lto
kunalspathak Jun 5, 2024
948dce1
add IPO supported check
kunalspathak Jun 5, 2024
05c8c10
fix the build for runtimeinfo
kunalspathak Jun 7, 2024
cb3de6a
fix it properly
kunalspathak Jun 7, 2024
9f8acba
Make it work for mac
kunalspathak Jun 7, 2024
373f8de
add space
kunalspathak Jun 7, 2024
20b563e
try removing the quotes
kunalspathak Jun 7, 2024
77a577d
Update eng/native/configurecompiler.cmake
kunalspathak Jun 10, 2024
d324dc7
Do not lto for osx (for now)
kunalspathak Jun 10, 2024
898c048
No LTO for ios/tvos too
kunalspathak Jun 11, 2024
f5bb3ce
do not print the error:
kunalspathak Jun 11, 2024
9159cbb
review commetns
kunalspathak Jun 12, 2024
c50661b
Disable LTO for nativeaot
kunalspathak Jun 13, 2024
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16 changes: 12 additions & 4 deletions eng/native/configurecompiler.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
include(CheckLinkerFlag)
include(CheckIPOSupported)

# "configureoptimization.cmake" must be included after CLR_CMAKE_HOST_UNIX has been set.
include(${CMAKE_CURRENT_LIST_DIR}/configureoptimization.cmake)
Expand Down Expand Up @@ -152,6 +153,17 @@ elseif (CLR_CMAKE_HOST_UNIX)
endif()
endif(MSVC)

check_ipo_supported(RESULT result OUTPUT output)
if(result AND NOT CLR_CMAKE_TARGET_APPLE)
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Add a comment about why IPO is disabled on apple platforms?

# Apple does not properly support IPO and need more involved
# way on how to support this. For now, disable it for Apple.
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_DEBUG OFF)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_CHECKED OFF)
else()
message(WARNING "IPO is not supported")
endif()

if (CLR_CMAKE_ENABLE_SANITIZERS)
set (CLR_CMAKE_BUILD_SANITIZERS "")
set (CLR_CMAKE_SANITIZER_RUNTIMES "")
Expand Down Expand Up @@ -889,10 +901,6 @@ if (MSVC)
add_compile_options($<$<COMPILE_LANGUAGE:C,CXX>:/Gz>)
endif (CLR_CMAKE_HOST_ARCH_I386)

set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_DEBUG OFF)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION_CHECKED OFF)

if (CLR_CMAKE_HOST_ARCH_AMD64)
# The generator expression in the following command means that the /homeparams option is added only for debug builds for C and C++ source files
add_compile_options($<$<AND:$<CONFIG:Debug>,$<COMPILE_LANGUAGE:C,CXX>>:/homeparams>) # Force parameters passed in registers to be written to the stack
Expand Down
2 changes: 2 additions & 0 deletions src/coreclr/debug/runtimeinfo/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ else()
target_include_directories(cdac_data_descriptor BEFORE PRIVATE ${VM_DIR})
target_include_directories(cdac_data_descriptor BEFORE PRIVATE ${VM_DIR}/${ARCH_SOURCES_DIR})
target_include_directories(cdac_data_descriptor PRIVATE ${CLR_DIR}/interop/inc)
# LTO not supported for cdac, so disable it
set_target_properties(cdac_data_descriptor PROPERTIES INTERPROCEDURAL_OPTIMIZATION OFF)
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Add a comment about why we're disabling IPO here?


set(GENERATED_CDAC_DESCRIPTOR_DIR "${CMAKE_CURRENT_BINARY_DIR}/cdac")
set(CONTRACT_DESCRIPTOR_OUTPUT "${GENERATED_CDAC_DESCRIPTOR_DIR}/contract-descriptor.c")
Expand Down