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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | # if coverage reports are not enabled, skip all of this |
| 2 | if(NOT LLVM_BUILD_INSTRUMENTED_COVERAGE) |
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| 3 | return() |
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| 4 | endif() |
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| 5 | |||
| 6 | file(TO_NATIVE_PATH |
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| 7 | "${LLVM_SOURCE_DIR}/utils/prepare-code-coverage-artifact.py" |
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| 8 | PREPARE_CODE_COV_ARTIFACT) |
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| 9 | |||
| 10 | # llvm-cov and llvm-profdata need to match the host compiler. They can either be |
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| 11 | # explicitly provided by the user, or we will look them up based on the install |
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| 12 | # location of the C++ compiler. |
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| 13 | get_filename_component(COMPILER_DIRECTORY ${CMAKE_CXX_COMPILER} DIRECTORY) |
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| 14 | find_program(LLVM_COV "llvm-cov" ${COMPILER_DIRECTORY} NO_DEFAULT_PATH) |
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| 15 | find_program(LLVM_PROFDATA "llvm-profdata" ${COMPILER_DIRECTORY} NO_DEFAULT_PATH) |
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| 16 | |||
| 17 | if(NOT LLVM_COV OR NOT LLVM_PROFDATA) |
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| 18 | message(WARNING "Could not find code coverage tools, skipping generating targets. You may explicitly specify LLVM_COV and LLVM_PROFDATA to work around this warning.") |
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| 19 | return() |
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| 20 | endif() |
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| 21 | |||
| 22 | set(LLVM_CODE_COVERAGE_TARGETS "" CACHE STRING "Targets to run code coverage on (defaults to all exported targets if empty)") |
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| 23 | mark_as_advanced(LLVM_CODE_COVERAGE_TARGETS) |
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| 24 | |||
| 25 | if(NOT LLVM_CODE_COVERAGE_TARGETS) |
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| 26 | # by default run the coverage report across all the exports provided |
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| 27 | get_property(COV_TARGETS GLOBAL PROPERTY LLVM_EXPORTS) |
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| 28 | endif() |
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| 29 | |||
| 30 | file(TO_NATIVE_PATH |
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| 31 | "${CMAKE_BINARY_DIR}/report/" |
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| 32 | REPORT_DIR) |
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| 33 | |||
| 34 | foreach(target ${LLVM_CODE_COVERAGE_TARGETS} ${COV_TARGETS}) |
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| 35 | get_target_property(target_type ${target} TYPE) |
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| 36 | if("${target_type}" STREQUAL "SHARED_LIBRARY" OR "${target_type}" STREQUAL "EXECUTABLE") |
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| 37 | list(APPEND coverage_binaries $<TARGET_FILE:${target}>) |
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| 38 | endif() |
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| 39 | endforeach() |
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| 40 | |||
| 41 | set(LLVM_COVERAGE_SOURCE_DIRS "" CACHE STRING "Source directories to restrict coverage reports to.") |
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| 42 | mark_as_advanced(LLVM_COVERAGE_SOURCE_DIRS) |
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| 43 | |||
| 44 | foreach(dir ${LLVM_COVERAGE_SOURCE_DIRS}) |
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| 45 | list(APPEND restrict_flags -restrict ${dir}) |
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| 46 | endforeach() |
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| 47 | |||
| 48 | # Utility target to clear out profile data. |
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| 49 | # This isn't connected to any dependencies because it is a bit finicky to get |
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| 50 | # working exactly how a user might want. |
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| 51 | add_custom_target(clear-profile-data |
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| 52 | COMMAND ${CMAKE_COMMAND} -E |
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| 53 | remove_directory ${LLVM_PROFILE_DATA_DIR}) |
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| 54 | |||
| 55 | # This currently only works for LLVM, but could be expanded to work for all |
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| 56 | # sub-projects. The current limitation is based on not having a good way to |
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| 57 | # automaticall plumb through the targets that we want to run coverage against. |
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| 58 | add_custom_target(generate-coverage-report |
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| 59 | COMMAND ${Python3_EXECUTABLE} ${PREPARE_CODE_COV_ARTIFACT} |
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| 60 | ${LLVM_PROFDATA} ${LLVM_COV} ${LLVM_PROFILE_DATA_DIR} |
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| 61 | ${REPORT_DIR} ${coverage_binaries} |
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| 62 | --unified-report ${restrict_flags} |
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| 63 | WORKING_DIRECTORY ${CMAKE_BINARY_DIR} |
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| 64 | DEPENDS check-llvm) # Run tests |