Nor are we prepared to say that this issue has been waived by defendant's plea of guilty when there is an allegation that the denial of the motion to suppress influenced the voluntary and intelligent character of the plea. ( People v. Loy (1969), 43 Ill.2d 264; People v. Bivens (1976), 43 Ill. App.3d 79, 81-82; People v. Prater (1974), 20 Ill. App.3d 962 (abstract).) The claim of ineffective assistance of counsel, however, was not raised in these post-conviction proceedings in the trial court by defendant's original or amended petition and was not orally argued at the hearing of the motion to dismiss.