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add coverage for clang (#472)

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add report target for CI to parse

Extract the coverage function

format

format

add last line
This commit is contained in:
cyan317
2023-01-16 15:38:26 +00:00
committed by GitHub
parent 1708b929b8
commit 047d64983c
2 changed files with 56 additions and 7 deletions
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42
CMake/coverage.cmake
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#call add_converage(module_name) to add coverage targets for the given module
function(add_converage module)
if("${CMAKE_C_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang" OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?[Cc]lang")
message("[Coverage] Building with llvm Code Coverage Tools")
# Using llvm gcov ; llvm install by xcode
set(LLVM_COV_PATH /Library/Developer/CommandLineTools/usr/bin)
if(NOT EXISTS ${LLVM_COV_PATH}/llvm-cov)
message(FATAL_ERROR "llvm-cov not found! Aborting.")
endif()
# set Flags
target_compile_options(${module} PRIVATE -fprofile-instr-generate -fcoverage-mapping)
target_link_options(${module} PRIVATE -fprofile-instr-generate -fcoverage-mapping)
# llvm-cov
add_custom_target(${module}-ccov-preprocessing
COMMAND LLVM_PROFILE_FILE=${module}.profraw $<TARGET_FILE:${module}>
COMMAND ${LLVM_COV_PATH}/llvm-profdata merge -sparse ${module}.profraw -o ${module}.profdata
DEPENDS ${module})
add_custom_target(${module}-ccov-show
COMMAND ${LLVM_COV_PATH}/llvm-cov show $<TARGET_FILE:${module}> -instr-profile=${module}.profdata -show-line-counts-or-regions
DEPENDS ${module}-ccov-preprocessing)
# add summary for CI parse
add_custom_target(${module}-ccov-report
COMMAND ${LLVM_COV_PATH}/llvm-cov report $<TARGET_FILE:${module}> -instr-profile=${module}.profdata -ignore-filename-regex=".*_makefiles|.*unittests" -show-region-summary=false
DEPENDS ${module}-ccov-preprocessing)
# exclude libs and unittests self
add_custom_target(${module}-ccov
COMMAND ${LLVM_COV_PATH}/llvm-cov show $<TARGET_FILE:${module}> -instr-profile=${module}.profdata -show-line-counts-or-regions -output-dir=${module}-llvm-cov -format="html" -ignore-filename-regex=".*_makefiles|.*unittests" > /dev/null 2>&1
DEPENDS ${module}-ccov-preprocessing)
add_custom_command(TARGET ${module}-ccov POST_BUILD
COMMENT "Open ${module}-llvm-cov/index.html in your browser to view the coverage report."
)
else()
# gcc WIP
message(FATAL_ERROR "Complier not support yet")
endif()
endfunction()