1; Make sure EdgeBoundles handles the case when the function size is less then
2; the number of block IDs.
3; RUN: llc -regalloc=fast -optimize-regalloc=0 < %s
4
5define void @foo() nounwind {
6entry:
7  br i1 undef, label %bb5.i1632, label %bb1.i1605
8
9bb1.i1605:                                        ; preds = %entry
10  br i1 undef, label %bb5.i73.i, label %bb3.i68.i
11
12bb3.i68.i:                                        ; preds = %bb1.i1605
13  unreachable
14
15bb5.i73.i:                                        ; preds = %bb1.i1605
16  br i1 undef, label %bb7.i79.i, label %bb6.i76.i
17
18bb6.i76.i:                                        ; preds = %bb5.i73.i
19  unreachable
20
21bb7.i79.i:                                        ; preds = %bb5.i73.i
22  br i1 undef, label %bb.i.i1608, label %bb8.i82.i
23
24bb8.i82.i:                                        ; preds = %bb7.i79.i
25  unreachable
26
27bb.i.i1608:                                       ; preds = %bb.i.i1608, %bb7.i79.i
28  br i1 undef, label %bb1.i.dis.preheader_crit_edge.i, label %bb.i.i1608
29
30bb1.i.dis.preheader_crit_edge.i: ; preds = %bb.i.i1608
31  br label %dis.i
32
33bb3.i.i1610:                                      ; preds = %bb8.i.i, %bb7.i.i1615
34  br i1 undef, label %bb5.i.i1613, label %bb4.i.i1611
35
36bb4.i.i1611:                                      ; preds = %bb3.i.i1610
37  br label %bb5.i.i1613
38
39bb5.i.i1613:                                      ; preds = %bb4.i.i1611, %bb3.i.i1610
40  unreachable
41
42bb7.i.i1615:                                      ; preds = %getfloder.exit.i
43  br i1 undef, label %bb3.i.i1610, label %bb8.i.i
44
45bb8.i.i:                                          ; preds = %bb7.i.i1615
46  br i1 undef, label %bb3.i.i1610, label %bb9.i.i
47
48bb9.i.i:                                          ; preds = %bb8.i.i
49  br label %bb12.i.i
50
51bb12.i.i:                                         ; preds = %bb12.i.i, %bb9.i.i
52  br i1 undef, label %bb13.i.bb14.i_crit_edge.i, label %bb12.i.i
53
54bb13.i.bb14.i_crit_edge.i:                        ; preds = %bb12.i.i
55  br i1 undef, label %bb25.i.i, label %bb20.i.i
56
57bb19.i.i:                                         ; preds = %bb20.i.i
58  br label %bb20.i.i
59
60bb20.i.i:                                         ; preds = %bb19.i.i, %bb13.i.bb14.i_crit_edge.i
61  %or.cond.i = or i1 undef, undef
62  br i1 %or.cond.i, label %bb25.i.i, label %bb19.i.i
63
64bb25.i.i:                                         ; preds = %bb20.i.i, %bb13.i.bb14.i_crit_edge.i
65  unreachable
66
67bb5.i1632:                                        ; preds = %entry
68  unreachable
69
70dis.i:                     ; preds = %getfloder.exit.i, %bb1.i.dis.preheader_crit_edge.i
71  br i1 undef, label %bb.i96.i, label %bb1.i102.i
72
73bb.i96.i:                                         ; preds = %dis.i
74  br label %getfloder.exit.i
75
76bb1.i102.i:                                       ; preds = %dis.i
77  br label %getfloder.exit.i
78
79getfloder.exit.i:                           ; preds = %bb1.i102.i, %bb.i96.i
80  br i1 undef, label %bb7.i.i1615, label %dis.i
81}
82