blob: 80cd34251d7e64f215e2e4a4f46e9f499d514df6 [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 void @meread_() nounwind {
10entry:
11 br label %bb23
12
13bb23:
14 br label %bb.i
15
16bb.i: ; preds = %bb.i, %bb54
17 br label %pflini_.exit
18
19pflini_.exit: ; preds = %bb.i
20 br label %bb58thread-split
21
22bb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit
23 br label %bb58
24
25bb58: ; preds = %bb60, %bb58thread-split
26 br i1 1, label %bb59, label %bb23
27
28bb59: ; preds = %bb58
29 switch i32 1, label %bb60 [
30 i32 1, label %l98
31 ]
32
33bb60: ; preds = %bb59
34 br i1 1, label %bb61, label %bb58
35
36bb61: ; preds = %bb60
37 br label %bb58thread-split
38
39l98: ; preds = %bb69, %bb59
40 ret void
41}
42; CHECK-NOT: =>
43; CHECK: [0] entry => <Function Return>
44; CHECK: [1] bb23 => l98
45; STAT: 2 region - The # of regions
46; STAT: 1 region - The # of simple regions
47
48; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98,
49; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61,
50
51; RNIT: entry, bb23 => l98, l98,
52; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61,