ConstantsBlock

    pub const ConstantsBlock = struct {
        pub const id: BlockId = .CONSTANTS;

        pub const abbrevs = [_]type{
            ModuleBlock.ConstantsBlock.SetType,
            ModuleBlock.ConstantsBlock.Null,
            ModuleBlock.ConstantsBlock.Undef,
            ModuleBlock.ConstantsBlock.Poison,
            ModuleBlock.ConstantsBlock.Integer,
            ModuleBlock.ConstantsBlock.Half,
            ModuleBlock.ConstantsBlock.Float,
            ModuleBlock.ConstantsBlock.Double,
            ModuleBlock.ConstantsBlock.Fp80,
            ModuleBlock.ConstantsBlock.Fp128,
            ModuleBlock.ConstantsBlock.Aggregate,
            ModuleBlock.ConstantsBlock.String,
            ModuleBlock.ConstantsBlock.CString,
            ModuleBlock.ConstantsBlock.Cast,
            ModuleBlock.ConstantsBlock.Binary,
            ModuleBlock.ConstantsBlock.Cmp,
            ModuleBlock.ConstantsBlock.ExtractElement,
            ModuleBlock.ConstantsBlock.InsertElement,
            ModuleBlock.ConstantsBlock.ShuffleVector,
            ModuleBlock.ConstantsBlock.ShuffleVectorEx,
            ModuleBlock.ConstantsBlock.BlockAddress,
            ModuleBlock.ConstantsBlock.DsoLocalEquivalentOrNoCfi,
        };

        pub const Code = enum(u6) {
            /// SETTYPE:       [typeid]
            SETTYPE = 1,
            /// NULL
            NULL = 2,
            /// UNDEF
            UNDEF = 3,
            /// INTEGER:       [intval]
            INTEGER = 4,
            /// WIDE_INTEGER:  [n x intval]
            WIDE_INTEGER = 5,
            /// FLOAT:         [fpval]
            FLOAT = 6,
            /// AGGREGATE:     [n x value number]
            AGGREGATE = 7,
            /// STRING:        [values]
            STRING = 8,
            /// CSTRING:       [values]
            CSTRING = 9,
            /// CE_BINOP:      [opcode, opval, opval]
            CE_BINOP = 10,
            /// CE_CAST:       [opcode, opty, opval]
            CE_CAST = 11,
            /// CE_GEP:        [n x operands]
            CE_GEP_OLD = 12,
            /// CE_SELECT:     [opval, opval, opval]
            CE_SELECT = 13,
            /// CE_EXTRACTELT: [opty, opval, opval]
            CE_EXTRACTELT = 14,
            /// CE_INSERTELT:  [opval, opval, opval]
            CE_INSERTELT = 15,
            /// CE_SHUFFLEVEC: [opval, opval, opval]
            CE_SHUFFLEVEC = 16,
            /// CE_CMP:        [opty, opval, opval, pred]
            CE_CMP = 17,
            /// INLINEASM:     [sideeffect|alignstack,asmstr,conststr]
            INLINEASM_OLD = 18,
            /// SHUFVEC_EX:    [opty, opval, opval, opval]
            CE_SHUFVEC_EX = 19,
            /// INBOUNDS_GEP:  [n x operands]
            CE_INBOUNDS_GEP = 20,
            /// BLOCKADDRESS:  [fnty, fnval, bb#]
            BLOCKADDRESS = 21,
            /// DATA:          [n x elements]
            DATA = 22,
            /// INLINEASM:     [sideeffect|alignstack|asmdialect,asmstr,conststr]
            INLINEASM_OLD2 = 23,
            ///  [opty, flags, n x operands]
            CE_GEP_WITH_INRANGE_INDEX_OLD = 24,
            /// CE_UNOP:       [opcode, opval]
            CE_UNOP = 25,
            /// POISON
            POISON = 26,
            /// DSO_LOCAL_EQUIVALENT [gvty, gv]
            DSO_LOCAL_EQUIVALENT = 27,
            /// INLINEASM:     [sideeffect|alignstack|asmdialect|unwind,asmstr,
            ///                 conststr]
            INLINEASM_OLD3 = 28,
            /// NO_CFI [ fty, f ]
            NO_CFI_VALUE = 29,
            /// INLINEASM:     [fnty,sideeffect|alignstack|asmdialect|unwind,
            ///                 asmstr,conststr]
            INLINEASM = 30,
            /// [opty, flags, range, n x operands]
            CE_GEP_WITH_INRANGE = 31,
            /// [opty, flags, n x operands]
            CE_GEP = 32,
            /// [ptr, key, disc, addrdisc]
            PTRAUTH = 33,
        };

        pub const SetType = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.SETTYPE) },
                .{ .fixed_runtime = Builder.Type },
            };
            type_id: Builder.Type,
        };

        pub const Null = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.NULL) },
            };
        };

        pub const Undef = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.UNDEF) },
            };
        };

        pub const Poison = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.POISON) },
            };
        };

        pub const Integer = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.INTEGER) },
                .{ .vbr = 16 },
            };
            value: u64,
        };

        pub const Half = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.FLOAT) },
                .{ .fixed = 16 },
            };
            value: u16,
        };

        pub const Float = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.FLOAT) },
                .{ .fixed = 32 },
            };
            value: u32,
        };

        pub const Double = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.FLOAT) },
                .{ .vbr = 6 },
            };
            value: u64,
        };

        pub const Fp80 = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.FLOAT) },
                .{ .vbr = 6 },
                .{ .vbr = 6 },
            };
            hi: u64,
            lo: u16,
        };

        pub const Fp128 = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.FLOAT) },
                .{ .vbr = 6 },
                .{ .vbr = 6 },
            };
            lo: u64,
            hi: u64,
        };

        pub const Aggregate = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.AGGREGATE) },
                .{ .array_fixed = 32 },
            };
            values: []const Builder.Constant,
        };

        pub const String = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.STRING) },
                .{ .array_fixed = 8 },
            };
            string: []const u8,
        };

        pub const CString = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CSTRING) },
                .{ .array_fixed = 8 },
            };
            string: []const u8,
        };

        pub const Cast = struct {
            const CastOpcode = Builder.CastOpcode;
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_CAST) },
                .{ .fixed = @bitSizeOf(CastOpcode) },
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
            };

            opcode: CastOpcode,
            type_index: Builder.Type,
            val: Builder.Constant,
        };

        pub const Binary = struct {
            const BinaryOpcode = Builder.BinaryOpcode;
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_BINOP) },
                .{ .fixed = @bitSizeOf(BinaryOpcode) },
                ConstantAbbrev,
                ConstantAbbrev,
            };

            opcode: BinaryOpcode,
            lhs: Builder.Constant,
            rhs: Builder.Constant,
        };

        pub const Cmp = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_CMP) },
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
                ConstantAbbrev,
                .{ .vbr = 6 },
            };

            ty: Builder.Type,
            lhs: Builder.Constant,
            rhs: Builder.Constant,
            pred: u32,
        };

        pub const ExtractElement = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_EXTRACTELT) },
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
            };

            val_type: Builder.Type,
            val: Builder.Constant,
            index_type: Builder.Type,
            index: Builder.Constant,
        };

        pub const InsertElement = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_INSERTELT) },
                ConstantAbbrev,
                ConstantAbbrev,
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
            };

            val: Builder.Constant,
            elem: Builder.Constant,
            index_type: Builder.Type,
            index: Builder.Constant,
        };

        pub const ShuffleVector = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_SHUFFLEVEC) },
                ValueAbbrev,
                ValueAbbrev,
                ValueAbbrev,
            };

            lhs: Builder.Constant,
            rhs: Builder.Constant,
            mask: Builder.Constant,
        };

        pub const ShuffleVectorEx = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.CE_SHUFVEC_EX) },
                .{ .fixed_runtime = Builder.Type },
                ValueAbbrev,
                ValueAbbrev,
                ValueAbbrev,
            };

            ty: Builder.Type,
            lhs: Builder.Constant,
            rhs: Builder.Constant,
            mask: Builder.Constant,
        };

        pub const BlockAddress = struct {
            pub const ops = [_]AbbrevOp{
                .{ .literal = @backingInt(ModuleBlock.ConstantsBlock.Code.BLOCKADDRESS) },
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
                BlockAbbrev,
            };
            type_id: Builder.Type,
            function: u32,
            block: u32,
        };

        pub const DsoLocalEquivalentOrNoCfi = struct {
            pub const ops = [_]AbbrevOp{
                .{ .fixed = 5 },
                .{ .fixed_runtime = Builder.Type },
                ConstantAbbrev,
            };
            code: ModuleBlock.ConstantsBlock.Code,
            type_id: Builder.Type,
            function: u32,
        };
    }