{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"\"llvm.x86.addcarry.64\""}]}
        "llvm.x86.addcarry.64" => "__builtin_ia32_addcarryx_u64",
        "llvm.ctpop.v2i64" => "__builtin_ia32_vpopcountq_v2di",
        "llvm.x86.subborrow.64" => "__builtin_ia32_sbb_u64",