1; REQUIRES: asserts
2; RUN: opt -regions -analyze < %s | FileCheck %s
3; RUN: opt -regions -stats -disable-output < %s 2>&1 | FileCheck -check-prefix=STAT %s
4; RUN: opt -regions -print-region-style=bb  -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
5; RUN: opt -regions -print-region-style=rn  -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
6
7; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
8
9define void @normal_condition() nounwind {
10"0":
11	br i1 1, label %"1", label %"4"
12
13"1":
14	br i1 1, label %"2", label %"3"
15"2":
16	br label %"4"
17"3":
18	br label %"4"
19"4":
20	ret void
21}
22; CHECK-NOT: =>
23; CHECK: [0] 0 => <Function Return>
24; CHECK-NEXT: [1] 0 => 4
25; CHECK-NEXT:   [2] 1 => 4
26; STAT: 3 region - The # of regions
27
28; BBIT: 0, 1, 2, 4, 3,
29; BBIT: 0, 1, 2, 3,
30; BBIT: 1, 2, 3,
31
32; RNIT: 0 => 4, 4,
33; RNIT: 0, 1 => 4,
34; RNIT: 1, 2, 3,
35