{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":".expect(\"llvm.aarch64.neon.sqshrn.v*"}]}
                .expect("llvm.aarch64.neon.sqshrn.v* imm32 not const");
            let imm32 = crate::constant::mir_operand_get_const_val(fx, imm32)