As noted in late November, AMD has begun enabling new “GFX12” hardware in LLVM for their AMDGPU LLVM shader compiler back-end. GFX12 is the target for next-generation RDNA4 graphics processors and that upstreaming effort has continued with more patches being upstreamed…

Source: Phoronix – More AMD GFX12 Additions Land In LLVM Git For RDNA4 GPUs