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[cmake][Darwin] Add TEST_SUITE_EXTERNALIZE_DEBUGINFO for dSYM generation. #382

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[cmake][Darwin] Add TEST_SUITE_EXTERNALIZE_DEBUGINFO for dSYM generation. #382

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4 changes: 4 additions & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,10 @@ option(TEST_SUITE_PROFILE_USE
"Add apropriate -fprofile-instr-use to CFLAGS/CXXFLAGS for each benchmark"
OFF)

option(TEST_SUITE_EXTERNALIZE_DEBUGINFO
"Generate dSYM files for executables (Darwin only)"
OFF)

# When running the test-suite in diagnosis mode, use these flags passed by
# LNT to gather data, for examples -ftime-report, or -mllvm -stats. This way
# the user specified CMAKE_C_FLAGS etc. need not be changed.
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16 changes: 16 additions & 0 deletions cmake/modules/TestSuite.cmake
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Expand Up @@ -63,6 +63,22 @@ function(llvm_test_executable_no_test target)
set_property(GLOBAL APPEND PROPERTY TEST_SUITE_TARGETS ${target})
test_suite_add_build_dependencies(${target})

if(TEST_SUITE_EXTERNALIZE_DEBUGINFO AND APPLE)
if(CMAKE_C_FLAGS MATCHES "-flto"
OR CMAKE_CXX_FLAGS MATCHES "-flto"
OR CMAKE_C_FLAGS_RELEASE MATCHES "-flto"
OR CMAKE_CXX_FLAGS_RELEASE MATCHES "-flto")
set(lto_object ${CMAKE_CURRENT_BINARY_DIR}/${target}-lto.o)
set_property(TARGET ${target} APPEND_STRING PROPERTY
LINK_FLAGS " -Wl,-object_path_lto,${lto_object}")
endif()
if(NOT CMAKE_DSYMUTIL)
set(CMAKE_DSYMUTIL xcrun dsymutil)
endif()
add_custom_command(TARGET ${target} POST_BUILD
COMMAND ${CMAKE_DSYMUTIL} $<TARGET_FILE:${target}>)
endif()

if(TEST_SUITE_LLVM_SIZE)
add_custom_command(TARGET ${target} POST_BUILD
COMMAND ${TEST_SUITE_LLVM_SIZE} --format=sysv $<SHELL_PATH:$<TARGET_FILE:${target}>>
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