xref: /aosp_15_r20/external/llvm/test/Analysis/RegionInfo/paper.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 @a_linear_impl_fig_1() nounwind {
10*9880d681SAndroid Build Coastguard Worker0:
11*9880d681SAndroid Build Coastguard Worker        br label %"1"
12*9880d681SAndroid Build Coastguard Worker1:
13*9880d681SAndroid Build Coastguard Worker	br label %"2"
14*9880d681SAndroid Build Coastguard Worker2:
15*9880d681SAndroid Build Coastguard Worker	br label %"3"
16*9880d681SAndroid Build Coastguard Worker3:
17*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"13", label %"4"
18*9880d681SAndroid Build Coastguard Worker4:
19*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"5", label %"1"
20*9880d681SAndroid Build Coastguard Worker5:
21*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"8", label %"6"
22*9880d681SAndroid Build Coastguard Worker6:
23*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"7", label %"4"
24*9880d681SAndroid Build Coastguard Worker7:
25*9880d681SAndroid Build Coastguard Worker	ret void
26*9880d681SAndroid Build Coastguard Worker8:
27*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"9", label %"1"
28*9880d681SAndroid Build Coastguard Worker9:
29*9880d681SAndroid Build Coastguard Worker	br label %"10"
30*9880d681SAndroid Build Coastguard Worker10:
31*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"12", label %"11"
32*9880d681SAndroid Build Coastguard Worker11:
33*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"9", label %"8"
34*9880d681SAndroid Build Coastguard Worker13:
35*9880d681SAndroid Build Coastguard Worker	br i1 1, label %"2", label %"1"
36*9880d681SAndroid Build Coastguard Worker12:
37*9880d681SAndroid Build Coastguard Worker 	switch i32 0, label %"1" [ i32 0, label %"9"
38*9880d681SAndroid Build Coastguard Worker                                  i32 1, label %"8"]
39*9880d681SAndroid Build Coastguard Worker}
40*9880d681SAndroid Build Coastguard Worker
41*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: =>
42*9880d681SAndroid Build Coastguard Worker; CHECK: [0] 0 => <Function Return>
43*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: [1] 1 => 7
44*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   [2] 1 => 4
45*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT:   [2] 8 => 1
46*9880d681SAndroid Build Coastguard Worker
47*9880d681SAndroid Build Coastguard Worker; STAT: 4 region - The # of regions
48*9880d681SAndroid Build Coastguard Worker; STAT: 1 region - The # of simple regions
49*9880d681SAndroid Build Coastguard Worker
50*9880d681SAndroid Build Coastguard Worker; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7,
51*9880d681SAndroid Build Coastguard Worker; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6,
52*9880d681SAndroid Build Coastguard Worker; BBIT: 1, 2, 3, 13,
53*9880d681SAndroid Build Coastguard Worker; BBIT: 8, 9, 10, 12, 11,
54*9880d681SAndroid Build Coastguard Worker
55*9880d681SAndroid Build Coastguard Worker; RNIT: 0, 1 => 7, 7,
56*9880d681SAndroid Build Coastguard Worker; RNIT: 1 => 4, 4, 5, 8 => 1, 6,
57*9880d681SAndroid Build Coastguard Worker; RNIT: 1, 2, 3, 13,
58*9880d681SAndroid Build Coastguard Worker; RNIT: 8, 9, 10, 12, 11,
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