{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"\"llvm.ctlz.v4i64\""}]}
        "llvm.ctlz.v4i64" => "__builtin_ia32_vplzcntq_256_mask",
        "llvm.ctlz.v8i64" => "__builtin_ia32_vplzcntq_512_mask",
        "llvm.ctlz.v2i64" => "__builtin_ia32_vplzcntq_128_mask",