Code

    pub const Code = enum(u5) {
        /// VERSION:     [version#]
        VERSION = 1,
        /// TRIPLE:      [strchr x N]
        TRIPLE = 2,
        /// DATALAYOUT:  [strchr x N]
        DATALAYOUT = 3,
        /// ASM:         [strchr x N]
        ASM = 4,
        /// SECTIONNAME: [strchr x N]
        SECTIONNAME = 5,

        /// Deprecated, but still needed to read old bitcode files.
        /// DEPLIB:      [strchr x N]
        DEPLIB = 6,

        /// GLOBALVAR: [pointer type, isconst, initid,
        ///             linkage, alignment, section, visibility, threadlocal]
        GLOBALVAR = 7,

        /// FUNCTION:  [type, callingconv, isproto, linkage, paramattrs, alignment,
        ///             section, visibility, gc, unnamed_addr]
        FUNCTION = 8,

        /// ALIAS: [alias type, aliasee val#, linkage, visibility]
        ALIAS_OLD = 9,

        /// GCNAME: [strchr x N]
        GCNAME = 11,
        /// COMDAT: [selection_kind, name]
        COMDAT = 12,

        /// VSTOFFSET: [offset]
        VSTOFFSET = 13,

        /// ALIAS: [alias value type, addrspace, aliasee val#, linkage, visibility]
        ALIAS = 14,

        METADATA_VALUES_UNUSED = 15,

        /// SOURCE_FILENAME: [namechar x N]
        SOURCE_FILENAME = 16,

        /// HASH: [5*i32]
        HASH = 17,

        /// IFUNC: [ifunc value type, addrspace, resolver val#, linkage, visibility]
        IFUNC = 18,
    }