LLVM/Clang 23.1 adds Zen 6, Rigel, LFI, and partial C++26 support
LLVM 23.1 is the first stable LLVM 23 release. It adds AMD Zen 6 and NVIDIA Rigel targets, x86 Lightweight Fault Isolation support, a new AMD HIP offload driver, partial C++26 and C2Y functionality, AMDGPU GFX1310, SpacemiT X100 RISC-V targeting, and linker and diagnostic improvements.
The release also brings AVX-512 BMM support to the new Zen 6 target. Phoronix’s forum thread listed one comment, but the forum endpoint was unavailable during review.