1; REQUIRES: asserts
2; RUN: opt -regions -analyze < %s | FileCheck %s
3; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
4
5; RUN: opt -regions -print-region-style=bb  -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
6; RUN: opt -regions -print-region-style=rn  -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
7
8define internal fastcc zeroext i8 @handle_compress() nounwind {
9entry:
10  br label %outer
11
12outer:
13  br label %body
14
15body:
16  br i1 1, label %exit172, label %end
17
18exit172:
19  br i1 1, label %end, label %outer
20
21end:
22  ret i8 1
23}
24; CHECK-NOT: =>
25; CHECK: [0] entry => <Function Return>
26; CHECK-NEXT: [1] outer => end
27
28; STAT: 2 region - The # of regions
29
30; BBIT: entry, outer, body, exit172, end,
31; BBIT: outer, body, exit172,
32
33; RNIT: entry, outer => end, end,
34; RNIT: outer, body, exit172,
35