blob: 8a6d208f479efb83d832801e7e58775d8331f6fe [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 @handle_compress() nounwind {
10entry:
11 br label %outer
12
13outer:
14 br label %body
15
16body:
17 br i1 1, label %body.i, label %if.end
18
19body.i:
20 br i1 1, label %end, label %if.end
21
22if.end:
23 br label %if.then64
24
25if.then64:
26 br label %outer
27
28end:
29 ret i8 1
30}
31; CHECK-NOT: =>
32; CHECK: [0] entry => <Function Return>
33; CHECK-NEXT: [1] outer => end
34; STAT: 2 region - The # of regions
35; STAT: 1 region - The # of simple regions
36
37; BBIT: entry, outer, body, body.i, end, if.end, if.then64,
38; BBIT: outer, body, body.i, if.end, if.then64,
39
40; RNIT: entry, outer => end, end,
41; RNIT: outer, body, body.i, if.end, if.then64,