1; RUN: llc < %s -mtriple=thumbv8 -arm-atomic-cfg-tidy=0 | FileCheck %s
2; RUN: llc < %s -mtriple=thumbv7 -arm-atomic-cfg-tidy=0 -arm-restrict-it | FileCheck %s
3; CHECK: it	ne
4; CHECK-NEXT: cmpne
5; CHECK-NEXT: bne [[JUMPTARGET:.LBB[0-9]+_[0-9]+]]
6; CHECK: cmp
7; CHECK-NEXT: beq
8; CHECK-NEXT: %if.else163
9; CHECK-NEXT: mov.w
10; CHECK-NEXT: b
11; CHECK-NEXT: %if.else145
12; CHECK-NEXT: mov.w
13; CHECK: [[JUMPTARGET]]:{{.*}}%if.else173
14
15%struct.hc = type { i32, i32, i32, i32 }
16
17define i32 @t(i32 %type) optsize {
18entry:
19  br i1 undef, label %if.then, label %if.else
20
21if.then:
22  unreachable
23
24if.else:
25  br i1 undef, label %if.then15, label %if.else18
26
27if.then15:
28  unreachable
29
30if.else18:
31  switch i32 %type, label %if.else173 [
32    i32 3, label %if.then115
33    i32 1, label %if.then102
34  ]
35
36if.then102:
37  br i1 undef, label %cond.true10.i, label %t.exit
38
39cond.true10.i:
40  br label %t.exit
41
42t.exit:
43  unreachable
44
45if.then115:
46  br i1 undef, label %if.else163, label %if.else145
47
48if.else145:
49  %call150 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34865152) optsize
50  br label %while.body172
51
52if.else163:
53  %call168 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34078720) optsize
54  br label %while.body172
55
56while.body172:
57  br label %while.body172
58
59if.else173:
60  ret i32 -1
61}
62
63declare hidden fastcc %struct.hc* @foo(%struct.hc* nocapture, i32) nounwind optsize
64
65