The ornamental design for an interiorrearviewmirror of automobile, as shown and described.
FIG. 1 is a perspective view of an interior rearview mirror of automobile showing my new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The dashed or broken lines shown in the drawings depict portions of the interior rearview mirror of automobile in which the design is embodied that form no part of the claimed design.