{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"Mips(MipsInlineAsmRegClass::freg)"}]}
            Mips(MipsInlineAsmRegClass::freg) => "f",
            Mips(MipsInlineAsmRegClass::reg) => "r",
            Nvptx(NvptxInlineAsmRegClass::reg16) => "h",