1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
###############################################################################
# See https://clang.llvm.org/docs/SourceBasedCodeCoverage.html
find_program(LLVM_PROFDATA NAMES llvm-profdata)
find_program(LLVM_COV NAMES clang-format)
set(_coverage_dir ${CMAKE_BINARY_DIR}/coverage)
FUNCTION (_ADD_COVERAGE _target)
if(NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
message(FATAL_ERROR "Clang compiler is required for code coverage")
endif()
message("## Setting up source-based code coverage flags for target ${_target} ...")
target_compile_options(${_target} PRIVATE
-fprofile-instr-generate
-fcoverage-mapping)
target_link_options(${_target} PRIVATE
-fprofile-instr-generate
-fcoverage-mapping)
get_target_property(TYPE ${_target} TYPE)
if(TYPE STREQUAL EXECUTABLE)
message("## Run the following before running the ${_target} executable:
export LLVM_PROFILE_FILE=\"${_coverage_dir}/${_target}-%p.profraw\"")
add_custom_target(coverage-merge-${_target}
COMMENT "Merging raw coverage data"
COMMAND llvm-profdata merge ${_target}-*.profraw -o ${_target}.profdata # -sparse
WORKING_DIRECTORY ${_coverage_dir}
)
add_custom_target(coverage-show-${_target}
COMMENT "Showing coverage data"
COMMAND llvm-cov show $<TARGET_FILE:${_target}> -instr-profile=${_target}.profdata
WORKING_DIRECTORY ${_coverage_dir}
USES_TERMINAL
)
add_custom_target(coverage-report-${_target}
COMMENT "Reporting coverage data"
COMMAND llvm-cov report $<TARGET_FILE:${_target}> -instr-profile=${_target}.profdata
WORKING_DIRECTORY ${_coverage_dir}
USES_TERMINAL
)
endif()
ENDFUNCTION (_ADD_COVERAGE)
|
