1 ; RUN: opt < %s -gvn 2 ; PR12858 3 4 define void @fn5(i16 signext %p1, i8 signext %p2) nounwind uwtable { 5 entry: 6 br i1 undef, label %if.else, label %if.then 7 8 if.then: ; preds = %entry 9 br label %if.end 10 11 if.else: ; preds = %entry 12 %conv = sext i16 %p1 to i32 13 br label %if.end 14 15 if.end: ; preds = %if.else, %if.then 16 %conv1 = sext i16 %p1 to i32 17 br i1 undef, label %if.then3, label %if.else4 18 19 if.then3: ; preds = %if.end 20 br label %if.end12 21 22 if.else4: ; preds = %if.end 23 %conv7 = sext i8 %p2 to i32 24 %cmp8 = icmp eq i32 %conv1, %conv7 25 br i1 %cmp8, label %if.then10, label %if.end12 26 27 if.then10: ; preds = %if.else4 28 br label %if.end12 29 30 if.end12: ; preds = %if.then10, %if.else4, %if.then3 31 %conv13 = sext i8 %p2 to i32 32 ret void 33 } 34
