%19 = sext i8 undef to i16 ; <i16> [#uses=1]
%20 = tail call i32 @func_24(i16 zeroext %19, i8 signext 1) nounwind; <i32> [#uses=0]
br i1 undef, label %return, label %bb6.preheader
bb6.preheader: ; preds = %bb5
%21 = sext i8 %p_52 to i32 ; <i32> [#uses=1]
%19 = sext i8 undef to i16 ; <i16> [#uses=1]
%20 = tail call i32 @func_24(i16 zeroext %19, i8 signext 1) nounwind; <i32> [#uses=0]
br i1 undef, label %return, label %bb6.preheader
bb6.preheader: ; preds = %bb5
%21 = sext i8 %p_52 to i32 ; <i32> [#uses=1]