callMemMove

pub fn callMemMove(
    self: *WipFunction,
    dst: Value,
    dst_align: Alignment,
    src: Value,
    src_align: Alignment,
    len: Value,
    kind: MemoryAccessKind,
) Allocator.Error!Instruction.Index {
    var dst_attrs = [_]Attribute.Index{try self.builder.attr(.{ .@"align" = dst_align })};
    var src_attrs = [_]Attribute.Index{try self.builder.attr(.{ .@"align" = src_align })};
    const value = try self.callIntrinsic(
        .normal,
        try self.builder.fnAttrs(&.{
            .none,
            .none,
            try self.builder.attrs(&dst_attrs),
            try self.builder.attrs(&src_attrs),
        }),
        .memmove,
        &.{ dst.typeOfWip(self), src.typeOfWip(self), len.typeOfWip(self) },
        &.{ dst, src, len, switch (kind) {
            .normal => Value.false,
            .@"volatile" => Value.true,
        } },
        undefined,
    );
    return value.unwrap().instruction;
}