xref: /aosp_15_r20/external/llvm/test/Analysis/RegionInfo/cond_loop.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
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; 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
6
7; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
8
9define void @normal_condition() nounwind {
105:
11        br label %"0"
12
130:
14	br label %"1"
151:
16	br i1 1, label %"2", label %"3"
172:
18	ret void
193:
20	br i1 1, label %"1", label %"4"
214:
22        br label %"0"
23}
24
25; CHECK-NOT: =>
26; CHECK: [0] 5 => <Function Return>
27; CHECK: [1] 0 => 2
28
29; STAT: 2 region - The # of regions
30; STAT: 1 region - The # of simple regions
31
32; BBIT: 5, 0, 1, 2, 3, 4,
33; BBIT: 0, 1, 3, 4,
34
35; RNIT: 5, 0 => 2, 2,
36; RNIT: 0, 1, 3, 4,
37