1; RUN: opt -jump-threading -S < %s 2 3define void @func(i8 zeroext %p_44) nounwind { 4entry: 5 br i1 false, label %for.cond2, label %if.end50 6 7for.cond2: ; preds = %for.inc46, %lor.end, %entry 8 %p_44.addr.1 = phi i8 [ %p_44.addr.1, %lor.end ], [ %p_44, %entry ], [ %p_44.addr.1, %for.inc46 ] 9 br i1 undef, label %for.inc46, label %for.body5 10 11for.body5: ; preds = %for.cond2 12 br i1 undef, label %lbl_465, label %if.then9 13 14if.then9: ; preds = %for.body5 15 br label %return 16 17lbl_465: ; preds = %lbl_465, %for.body5 18 %tobool19 = icmp eq i8 undef, 0 19 br i1 %tobool19, label %if.end21, label %lbl_465 20 21if.end21: ; preds = %lbl_465 22 %conv23 = zext i8 %p_44.addr.1 to i64 23 %xor = xor i64 %conv23, 1 24 %tobool.i = icmp eq i64 %conv23, 0 25 br i1 %tobool.i, label %cond.false.i, label %safe_mod_func_uint64_t_u_u.exit 26 27cond.false.i: ; preds = %if.end21 28 %div.i = udiv i64 %xor, %conv23 29 br label %safe_mod_func_uint64_t_u_u.exit 30 31safe_mod_func_uint64_t_u_u.exit: ; preds = %cond.false.i, %if.end21 32 %cond.i = phi i64 [ %div.i, %cond.false.i ], [ %conv23, %if.end21 ] 33 %tobool28 = icmp eq i64 %cond.i, 0 34 br i1 %tobool28, label %lor.rhs, label %lor.end 35 36lor.rhs: ; preds = %safe_mod_func_uint64_t_u_u.exit 37 br label %lor.end 38 39lor.end: ; preds = %lor.rhs, %safe_mod_func_uint64_t_u_u.exit 40 br label %for.cond2 41 42for.inc46: ; preds = %for.cond2 43 br label %for.cond2 44 45if.end50: ; preds = %entry 46 br label %return 47 48return: ; preds = %if.end50, %if.then9 49 ret void 50} 51