derek.holloway
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65 lines
2.7 KiB
CMake
65 lines
2.7 KiB
CMake
# if coverage reports are not enabled, skip all of this
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if(NOT LLVM_BUILD_INSTRUMENTED_COVERAGE)
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return()
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endif()
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file(TO_NATIVE_PATH
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"${LLVM_SOURCE_DIR}/utils/prepare-code-coverage-artifact.py"
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PREPARE_CODE_COV_ARTIFACT)
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# llvm-cov and llvm-profdata need to match the host compiler. They can either be
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# explicitly provided by the user, or we will look them up based on the install
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# location of the C++ compiler.
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get_filename_component(COMPILER_DIRECTORY ${CMAKE_CXX_COMPILER} DIRECTORY)
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find_program(LLVM_COV "llvm-cov" ${COMPILER_DIRECTORY} NO_DEFAULT_PATH)
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find_program(LLVM_PROFDATA "llvm-profdata" ${COMPILER_DIRECTORY} NO_DEFAULT_PATH)
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if(NOT LLVM_COV OR NOT LLVM_PROFDATA)
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message(WARNING "Could not find code coverage tools, skipping generating targets. You may explicitly specify LLVM_COV and LLVM_PROFDATA to work around this warning.")
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return()
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endif()
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set(LLVM_CODE_COVERAGE_TARGETS "" CACHE STRING "Targets to run code coverage on (defaults to all exported targets if empty)")
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mark_as_advanced(LLVM_CODE_COVERAGE_TARGETS)
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if(NOT LLVM_CODE_COVERAGE_TARGETS)
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# by default run the coverage report across all the exports provided
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get_property(COV_TARGETS GLOBAL PROPERTY LLVM_EXPORTS)
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endif()
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file(TO_NATIVE_PATH
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"${CMAKE_BINARY_DIR}/report/"
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REPORT_DIR)
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foreach(target ${LLVM_CODE_COVERAGE_TARGETS} ${COV_TARGETS})
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get_target_property(target_type ${target} TYPE)
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if("${target_type}" STREQUAL "SHARED_LIBRARY" OR "${target_type}" STREQUAL "EXECUTABLE")
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list(APPEND coverage_binaries $<TARGET_FILE:${target}>)
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endif()
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endforeach()
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set(LLVM_COVERAGE_SOURCE_DIRS "" CACHE STRING "Source directories to restrict coverage reports to.")
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mark_as_advanced(LLVM_COVERAGE_SOURCE_DIRS)
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foreach(dir ${LLVM_COVERAGE_SOURCE_DIRS})
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list(APPEND restrict_flags -restrict ${dir})
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endforeach()
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# Utility target to clear out profile data.
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# This isn't connected to any dependencies because it is a bit finicky to get
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# working exactly how a user might want.
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add_custom_target(clear-profile-data
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COMMAND ${CMAKE_COMMAND} -E
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remove_directory ${LLVM_PROFILE_DATA_DIR})
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# This currently only works for LLVM, but could be expanded to work for all
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# sub-projects. The current limitation is based on not having a good way to
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# automaticall plumb through the targets that we want to run coverage against.
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add_custom_target(generate-coverage-report
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COMMAND ${Python3_EXECUTABLE} ${PREPARE_CODE_COV_ARTIFACT}
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${LLVM_PROFDATA} ${LLVM_COV} ${LLVM_PROFILE_DATA_DIR}
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${REPORT_DIR} ${coverage_binaries}
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--unified-report ${restrict_flags}
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WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
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DEPENDS check-llvm) # Run tests
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