xref: /aosp_15_r20/external/llvm/test/Analysis/RegionInfo/cond_loop.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; REQUIRES: asserts
2*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -analyze < %s | FileCheck %s
3*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
4*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=bb  -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
5*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=rn  -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @normal_condition() nounwind {
10*9880d681SAndroid Build Coastguard Worker5:
11*9880d681SAndroid Build Coastguard Worker        br label %"0"
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker0:
14*9880d681SAndroid Build Coastguard Worker	br label %"1"
15*9880d681SAndroid Build Coastguard Worker1:
16*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"2", label %"3"
17*9880d681SAndroid Build Coastguard Worker2:
18*9880d681SAndroid Build Coastguard Worker	ret void
19*9880d681SAndroid Build Coastguard Worker3:
20*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"1", label %"4"
21*9880d681SAndroid Build Coastguard Worker4:
22*9880d681SAndroid Build Coastguard Worker        br label %"0"
23*9880d681SAndroid Build Coastguard Worker}
24*9880d681SAndroid Build Coastguard Worker
25*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: =>
26*9880d681SAndroid Build Coastguard Worker; CHECK: [0] 5 => <Function Return>
27*9880d681SAndroid Build Coastguard Worker; CHECK: [1] 0 => 2
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Worker; STAT: 2 region - The # of regions
30*9880d681SAndroid Build Coastguard Worker; STAT: 1 region - The # of simple regions
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker; BBIT: 5, 0, 1, 2, 3, 4,
33*9880d681SAndroid Build Coastguard Worker; BBIT: 0, 1, 3, 4,
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Worker; RNIT: 5, 0 => 2, 2,
36*9880d681SAndroid Build Coastguard Worker; RNIT: 0, 1, 3, 4,
37