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Convert to using LLVM code coverage

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Miodrag Milanovic 2026-05-15 11:59:22 +02:00
parent 6ac8758e7e
commit 8022b5445b
3 changed files with 22 additions and 10 deletions
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19
Makefile
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@ -456,8 +456,11 @@ endif
endif
ifeq ($(ENABLE_GCOV),1)
CXXFLAGS += --coverage
LINKFLAGS += --coverage
LLVM_PROFILE_FILE ?= $(realpath $(YOSYS_SRC))/coverage/coverage_%p.profraw
export LLVM_PROFILE_FILE
export LLVM_PROFILE_FILE_BUFFER_SIZE=0
CXXFLAGS += -fprofile-instr-generate -fcoverage-mapping
LINKFLAGS+= -fprofile-instr-generate
endif
ifeq ($(ENABLE_GPROF),1)
@ -1115,13 +1118,13 @@ mrproper: clean
coverage:
./$(PROGRAM_PREFIX)yosys -qp 'help; help -all'
rm -rf coverage.info coverage_html
lcov --capture -d . --no-external -o coverage.info
lcov --remove coverage.info '*/tests/various/*' '*/libs/*' -o coverage.info --ignore-errors unused
genhtml coverage.info --output-directory coverage_html
rm -rf coverage_html
llvm-profdata merge -sparse coverage/coverage_*.profraw -o yosys.profdata
llvm-cov show ./$(PROGRAM_PREFIX)yosys -instr-profile=yosys.profdata -format=html -output-dir=coverage_html --compilation-dir=. -ignore-filename-regex='(^|.*/)Verific/.*|(^|.*/)libs/.*'
clean_coverage:
find . -name "*.gcda" -type f -delete
rm -rf coverage
rm -f yosys.profdata
FUNC_KERNEL := functional.cc functional.h sexpr.cc sexpr.h compute_graph.h
FUNC_INCLUDES := $(addprefix --include *,functional/* $(FUNC_KERNEL))
@ -1183,7 +1186,7 @@ config-msys2-64: clean
echo "PREFIX := $(MINGW_PREFIX)" >> Makefile.conf
config-gcov: clean
echo 'CONFIG := gcc' > Makefile.conf
echo 'CONFIG := clang' > Makefile.conf
echo 'ENABLE_GCOV := 1' >> Makefile.conf
echo 'ENABLE_DEBUG := 1' >> Makefile.conf