Hello: This series was applied to bpf/bpf-next.git (refs/heads/master): On Mon, 5 Oct 2020 21:34:26 -0700 you wrote: > With latest llvm trunk, bpf programs under samples/bpf > directory, if using CORE, may experience the following > errors: > > LLVM ERROR: Cannot select: intrinsic %llvm.preserve.struct.access.index > PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace. > Stack dump: > 0. Program arguments: llc -march=bpf -filetype=obj -o samples/bpf/test_probe_write_user_kern.o > 1. Running pass 'Function Pass Manager' on module '<stdin>'. > 2. Running pass 'BPF DAG->DAG Pattern Instruction Selection' on function '@bpf_prog1' > #0 0x000000000183c26c llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) > (/data/users/yhs/work/llvm-project/llvm/build.cur/install/bin/llc+0x183c26c) > ... > #7 0x00000000017c375e (/data/users/yhs/work/llvm-project/llvm/build.cur/install/bin/llc+0x17c375e) > #8 0x00000000016a75c5 llvm::SelectionDAGISel::CannotYetSelect(llvm::SDNode*) > (/data/users/yhs/work/llvm-project/llvm/build.cur/install/bin/llc+0x16a75c5) > #9 0x00000000016ab4f8 llvm::SelectionDAGISel::SelectCodeCommon(llvm::SDNode*, unsigned char const*, > unsigned int) (/data/users/yhs/work/llvm-project/llvm/build.cur/install/bin/llc+0x16ab4f8) > ... > Aborted (core dumped) | llc -march=bpf -filetype=obj -o samples/bpf/test_probe_write_user_kern.o > > [...] Here is the summary with links: - [bpf-next,v2,1/2] samples/bpf: change Makefile to cope with latest llvm https://git.kernel.org/bpf/bpf-next/c/9618bde489b2 - [bpf-next,v2,2/2] samples/bpf: fix a compilation error with fallthrough marking https://git.kernel.org/bpf/bpf-next/c/544d6adf3c3d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
