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Diffstat (limited to 'test/tools/llvm-cov/Inputs/README')
| -rw-r--r-- | test/tools/llvm-cov/Inputs/README | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/test/tools/llvm-cov/Inputs/README b/test/tools/llvm-cov/Inputs/README index 2cfb191..3773ba3 100644 --- a/test/tools/llvm-cov/Inputs/README +++ b/test/tools/llvm-cov/Inputs/README @@ -1,7 +1,21 @@ These inputs were pre-generated to allow for easier testing of llvm-cov. -test.gcno and test.gcda were create by running clang: - clang++ -g -ftest-coverage -fprofile-arcs test.cpp +The files used to test the gcov compatible code coverage tool were generated +using the following method: -test.cpp.gcov was created by running gcov 4.2.1: - gcov test.cpp + test.gcno and test.gcda were create by running clang: + clang++ -g -ftest-coverage -fprofile-arcs test.cpp + + test.cpp.gcov was created by running gcov 4.2.1: + gcov test.cpp + +The 'covmapping' files that are used to test llvm-cov contain raw sections +with the coverage mapping data generated by the compiler and linker. They are +created by running clang and llvm-cov: + clang++ -fprofile-instr-generate -fcoverage-mapping -o test test.cpp + llvm-cov convert-for-testing -o test.covmapping test + +The 'profdata' files were generated by running an instrumented version of the +program and merging the raw profile data using llvm-profdata. + ./test + llvm-profdata merge -o test.profdata default.profraw |