diff options
Diffstat (limited to 'projects')
| -rw-r--r-- | projects/llvm/build.sh | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/projects/llvm/build.sh b/projects/llvm/build.sh index adaa54b2..380d414e 100644 --- a/projects/llvm/build.sh +++ b/projects/llvm/build.sh @@ -60,6 +60,7 @@ for fuzzer in "${FUZZERS[@]}"; do ninja $fuzzer cp bin/$fuzzer $OUT done +ninja llvm-as # isel-fuzzer encodes its default flags in the name. cp $OUT/llvm-isel-fuzzer $OUT/llvm-isel-fuzzer--aarch64-O2 @@ -67,3 +68,29 @@ cp $OUT/llvm-isel-fuzzer $OUT/llvm-isel-fuzzer--x86_64-O2 mv $OUT/llvm-isel-fuzzer $OUT/llvm-isel-fuzzer--aarch64-gisel # Same for llvm-opt-fuzzer mv $OUT/llvm-opt-fuzzer $OUT/llvm-opt-fuzzer--x86_64-instcombine + +# Build corpus for the llvm-opt-fuzzer +function build_corpus { + local lit_path="${1}" + local fuzzer_name="${2}" + + [[ -e "${WORK}/corpus-tmp" ]] && rm -r "${WORK}/corpus-tmp" + mkdir "${WORK}/corpus-tmp" + + cd "${SRC}" + + # Compile all lit tests into bitcode. Ignore possible llvm-as failures. + find "${lit_path}" -name "*.ll" -print0 | + xargs -t -i -0 -n1 sh -c "build/bin/llvm-as "{}" || true" + + # Move freshly created bitcode into temp directory. + find "${lit_path}" -name "*.bc" -print0 | + xargs -t -i -0 -n1 mv "{}" "${WORK}/corpus-tmp" + + # Archive the corpus. + zip -j "${OUT}/${fuzzer_name}_seed_corpus.zip" "${WORK}"/corpus-tmp/* + + rm -r "${WORK}/corpus-tmp" +} + +build_corpus "llvm/test/Transforms/InstCombine/" "llvm-opt-fuzzer--x86_64-instcombine" |