Successfully identified regression in *llvm* in CI configuration tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O3. So far, this commit has regressed CI configurations: - tcwg_bmk_llvm_tx1/llvm-master-aarch64-spec2k6-O3

Culprit: <cut> commit b4c0307d598004cfd96c770d2a4a84a37c838ba9 Author: Jon Roelofs jonathan_roelofs@apple.com Date: Thu Aug 5 09:35:02 2021 -0700

Fix clang-interpreter build after 2487db1f286222e2501c2fa8e8244eda13f6afc3 </cut>

Results regressed to (for first_bad == b4c0307d598004cfd96c770d2a4a84a37c838ba9) # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer: -8 # build_abe linux: -7 # build_abe glibc: -6 # build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer: -5 # build_llvm true: -3 # true: 0 # benchmark -- -O3 artifacts/build-b4c0307d598004cfd96c770d2a4a84a37c838ba9/results_id: 1 # 470.lbm,lbm_base.default regressed by 109

from (for last_good == bd17ced1db9a674fc8aa6632899e245672c7aa35) # reset_artifacts: -10 # build_abe binutils: -9 # build_abe stage1 -- --set gcc_override_configure=--disable-libsanitizer: -8 # build_abe linux: -7 # build_abe glibc: -6 # build_abe stage2 -- --set gcc_override_configure=--disable-libsanitizer: -5 # build_llvm true: -3 # true: 0 # benchmark -- -O3 artifacts/build-bd17ced1db9a674fc8aa6632899e245672c7aa35/results_id: 1

Artifacts of last_good build: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Results ID of last_good: tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O3/3351 Artifacts of first_bad build: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Results ID of first_bad: tx1_64/tcwg_bmk_llvm_tx1/bisect-llvm-master-aarch64-spec2k6-O3/3314 Build top page/logs: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a...

Configuration details:

Reproduce builds: <cut> mkdir investigate-llvm-b4c0307d598004cfd96c770d2a4a84a37c838ba9 cd investigate-llvm-b4c0307d598004cfd96c770d2a4a84a37c838ba9

git clone https://git.linaro.org/toolchain/jenkins-scripts

mkdir -p artifacts/manifests curl -o artifacts/manifests/build-baseline.sh https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... --fail curl -o artifacts/manifests/build-parameters.sh https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... --fail curl -o artifacts/test.sh https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... --fail chmod +x artifacts/test.sh

# Reproduce the baseline build (build all pre-requisites) ./jenkins-scripts/tcwg_bmk-build.sh @@ artifacts/manifests/build-baseline.sh

# Save baseline build state (which is then restored in artifacts/test.sh) mkdir -p ./bisect rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/ --exclude /llvm/ ./ ./bisect/baseline/

cd llvm

# Reproduce first_bad build git checkout --detach b4c0307d598004cfd96c770d2a4a84a37c838ba9 ../artifacts/test.sh

# Reproduce last_good build git checkout --detach bd17ced1db9a674fc8aa6632899e245672c7aa35 ../artifacts/test.sh

cd .. </cut>

History of pending regressions and results: https://git.linaro.org/toolchain/ci/base-artifacts.git/log/?h=linaro-local/c...

Artifacts: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a... Build log: https://ci.linaro.org/job/tcwg_bmk_ci_llvm-bisect-tcwg_bmk_tx1-llvm-master-a...

Full commit (up to 1000 lines): <cut> commit b4c0307d598004cfd96c770d2a4a84a37c838ba9 Author: Jon Roelofs jonathan_roelofs@apple.com Date: Thu Aug 5 09:35:02 2021 -0700

Fix clang-interpreter build after 2487db1f286222e2501c2fa8e8244eda13f6afc3 --- clang/examples/clang-interpreter/main.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/clang/examples/clang-interpreter/main.cpp b/clang/examples/clang-interpreter/main.cpp index 342d42089472..a2c50167f6b1 100644 --- a/clang/examples/clang-interpreter/main.cpp +++ b/clang/examples/clang-interpreter/main.cpp @@ -66,7 +66,8 @@ private: SimpleJIT( std::unique_ptr<TargetMachine> TM, DataLayout DL, std::unique_ptr<DynamicLibrarySearchGenerator> ProcessSymbolsGenerator) - : TM(std::move(TM)), DL(std::move(DL)) { + : ES(cantFail(SelfExecutorProcessControl::Create())), TM(std::move(TM)), + DL(std::move(DL)) { llvm::sys::DynamicLibrary::LoadLibraryPermanently(nullptr); MainJD.addGenerator(std::move(ProcessSymbolsGenerator)); } </cut>