{"ast_node_type":"other","tokens":[{"end":67,"kind":"keyword","start":0,"text":"\"llvm.x86.ssse3.pshuf.b.128\""}]}
        "llvm.x86.ssse3.pshuf.b.128" | "llvm.x86.avx2.pshuf.b" => {
        }
            let (a, b) = match args {