{"ast_node_type":"other","tokens":[{"end":58,"kind":"keyword","start":0,"text":"PowerPC(PowerPCInlineAsmRegClass::reg)"}]}
            PowerPC(PowerPCInlineAsmRegClass::reg) => "r",
            Nvptx(NvptxInlineAsmRegClass::reg64) => "l",
            PowerPC(PowerPCInlineAsmRegClass::reg_nonzero) => "b",