efriedma-quic wrote: As a historical note, when I first wrote the support for atomics, it was under a model where LLVM IR only modeled legal atomics, and clang lowered illegal atomics to libcalls. This was changed a few years later to generalize atomics in LLVM IR to support arbitrary atomic ops lowered to libcalls. But there are still a few inconsistencies resulting from this, I think.
https://github.com/llvm/llvm-project/pull/73176 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
