blob: 91023198ea29623caddb186e8e5a8b86b0564565 [file] [log] [blame]
Jan Wen Voung6dc30762013-03-12 16:27:52 +00001; REQUIRES: asserts
Tobias Grosser336734a2010-07-22 07:46:31 +00002; RUN: opt -regions -analyze < %s | FileCheck %s
Tobias Grosser670a5d82017-07-29 09:58:43 +00003; RUN: opt -regions -stats -disable-output < %s 2>&1 | FileCheck -check-prefix=STAT %s
Chandler Carruth5da53432012-07-02 18:37:59 +00004; 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
Tobias Grosser336734a2010-07-22 07:46:31 +00006
Hongbin Zhengbc539772016-02-25 17:54:25 +00007; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
8
Tobias Grosser336734a2010-07-22 07:46:31 +00009define internal fastcc zeroext i8 @loops_1() nounwind {
10entry:
11 br i1 1, label %outer , label %a
12
13a:
14 br label %body
15
16outer:
17 br label %body
18
19body:
20 br i1 1, label %land, label %if
21
22land:
23 br i1 1, label %exit, label %end
24
25exit:
26 br i1 1, label %if, label %end
27
28if:
29 br label %outer
30
31end:
32 ret i8 1
33}
34; CHECK-NOT: =>
35; CHECK: [0] entry => <Function Return>
36; CHECK-NEXT: [1] entry => end
37; STAT: 2 region - The # of regions
38
39; BBIT: entry, outer, body, land, exit, if, end, a,
40; BBIT: entry, outer, body, land, exit, if, a,
41
42; RNIT: entry => end, end,
43; RNIT: entry, outer, body, land, exit, if, a,