1; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40                        -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK0  < %t
2; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -max-jump-table-size=4 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK4  < %t
3; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -max-jump-table-size=8 -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECK8  < %t
4; RUN: llc %s -O2 -print-machineinstrs -mtriple=aarch64-linux-gnu -jump-table-density=40 -mcpu=exynos-m1        -o /dev/null 2> %t; FileCheck %s --check-prefixes=CHECK,CHECKM1 < %t
5
6declare void @ext(i32)
7
8define i32 @jt1(i32 %a, i32 %b) {
9entry:
10  switch i32 %a, label %return [
11    i32 1, label %bb1
12    i32 2, label %bb2
13    i32 3, label %bb3
14    i32 4, label %bb4
15    i32 5, label %bb5
16    i32 6, label %bb6
17    i32 7, label %bb7
18    i32 8, label %bb8
19    i32 9, label %bb9
20    i32 10, label %bb10
21    i32 11, label %bb11
22    i32 12, label %bb12
23    i32 13, label %bb13
24    i32 14, label %bb14
25    i32 15, label %bb15
26    i32 16, label %bb16
27    i32 17, label %bb17
28  ]
29; CHECK-LABEL: function jt1:
30; CHECK-NEXT: Jump Tables:
31; CHECK0-NEXT: jt#0:
32; CHECK0-NOT: jt#1:
33; CHECK4-NEXT: jt#0:
34; CHECK4-SAME: jt#1:
35; CHECK4-SAME: jt#2:
36; CHECK4-SAME: jt#3:
37; CHECK4-NOT: jt#4:
38; CHECK8-NEXT: jt#0:
39; CHECK8-SAME: jt#1:
40; CHECK8-NOT: jt#2:
41; CHECKM1-NEXT: jt#0:
42; CHECKM1-SAME: jt#1
43; CHECKM1-NOT: jt#2:
44; CHEC-NEXT: Function Live Ins:
45
46bb1: tail call void @ext(i32 0) br label %return
47bb2: tail call void @ext(i32 2) br label %return
48bb3: tail call void @ext(i32 4) br label %return
49bb4: tail call void @ext(i32 6) br label %return
50bb5: tail call void @ext(i32 8) br label %return
51bb6: tail call void @ext(i32 10) br label %return
52bb7: tail call void @ext(i32 12) br label %return
53bb8: tail call void @ext(i32 14) br label %return
54bb9: tail call void @ext(i32 16) br label %return
55bb10: tail call void @ext(i32 18) br label %return
56bb11: tail call void @ext(i32 20) br label %return
57bb12: tail call void @ext(i32 22) br label %return
58bb13: tail call void @ext(i32 24) br label %return
59bb14: tail call void @ext(i32 26) br label %return
60bb15: tail call void @ext(i32 28) br label %return
61bb16: tail call void @ext(i32 30) br label %return
62bb17: tail call void @ext(i32 32) br label %return
63
64return: ret i32 %b
65}
66
67define void @jt2(i32 %x) {
68entry:
69  switch i32 %x, label %return [
70    i32 1, label %bb1
71    i32 2, label %bb2
72    i32 3, label %bb3
73    i32 4, label %bb4
74
75    i32 14, label %bb5
76    i32 15, label %bb6
77  ]
78; CHECK-LABEL: function jt2:
79; CHECK-NEXT: Jump Tables:
80; CHECK0-NEXT: jt#0:  BB#1 BB#2 BB#3 BB#4 BB#7 BB#7 BB#7 BB#7 BB#7 BB#7 BB#7 BB#7 BB#7 BB#5 BB#6{{$}}
81; CHECK4-NEXT: jt#0:  BB#1 BB#2 BB#3 BB#4{{$}}
82; CHECK8-NEXT: jt#0:  BB#1 BB#2 BB#3 BB#4{{$}}
83; CHECKM1-NEXT: jt#0:  BB#1 BB#2 BB#3 BB#4{{$}}
84; CHEC-NEXT: Function Live Ins:
85
86bb1: tail call void @ext(i32 1) br label %return
87bb2: tail call void @ext(i32 2) br label %return
88bb3: tail call void @ext(i32 3) br label %return
89bb4: tail call void @ext(i32 4) br label %return
90bb5: tail call void @ext(i32 5) br label %return
91bb6: tail call void @ext(i32 6) br label %return
92return: ret void
93}
94