3 ; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
4 ; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s
5 ; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s
6 ; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s
8 define void @meread_() nounwind {
15 bb.i: ; preds = %bb.i, %bb54
16 br label %pflini_.exit
18 pflini_.exit: ; preds = %bb.i
19 br label %bb58thread-split
21 bb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit
24 bb58: ; preds = %bb60, %bb58thread-split
25 br i1 1, label %bb59, label %bb23
28 switch i32 1, label %bb60 [
33 br i1 1, label %bb61, label %bb58
36 br label %bb58thread-split
38 l98: ; preds = %bb69, %bb59
42 ; CHECK: [0] entry => <Function Return>
43 ; CHECK: [1] bb23 => l98
44 ; STAT: 2 region - The # of regions
45 ; STAT: 1 region - The # of simple regions
47 ; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98,
48 ; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61,
50 ; RNIT: entry, bb23 => l98, l98,
51 ; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61,