llvm-capstone/llvm/cmake/modules/CoverageReport.cmake
2022-11-14 10:28:36 -06:00

65 lines
2.7 KiB
CMake

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