1; REQUIRES: asserts
2; RUN: opt -regions -analyze -enable-new-pm=0 < %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 -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=BBIT %s
5; RUN: opt -regions -print-region-style=rn  -analyze -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=RNIT %s
6
7; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
8; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s
9; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s
10; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s
11
12define internal fastcc zeroext i8 @loops_1() nounwind {
13entry:
14  br i1 1, label %outer , label %a
15
16a:
17  br label %body
18
19outer:
20  br label %body
21
22body:
23  br i1 1, label %land, label %if
24
25land:
26  br i1 1, label %exit, label %end
27
28exit:
29  br i1 1, label %if, label %end
30
31if:
32  br label %outer
33
34end:
35  ret i8 1
36}
37; CHECK-NOT: =>
38; CHECK: [0] entry => <Function Return>
39; CHECK-NEXT: [1] entry => end
40; STAT: 2 region - The # of regions
41
42; BBIT: entry, outer, body, land, exit, if, end, a,
43; BBIT: entry, outer, body, land, exit, if, a,
44
45; RNIT: entry => end, end,
46; RNIT: entry, outer, body, land, exit, if, a,
47