xref: /aosp_15_r20/external/llvm/test/Analysis/RegionInfo/nested_loops.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
5*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=bb  -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
6*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=rn  -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine internal fastcc zeroext i8 @handle_compress() nounwind {
11*9880d681SAndroid Build Coastguard Workerentry:
12*9880d681SAndroid Build Coastguard Worker  br label %outer
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Workerouter:
15*9880d681SAndroid Build Coastguard Worker  br label %body
16*9880d681SAndroid Build Coastguard Worker
17*9880d681SAndroid Build Coastguard Workerbody:
18*9880d681SAndroid Build Coastguard Worker  br i1 1, label %exit172, label %end
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerexit172:
21*9880d681SAndroid Build Coastguard Worker  br i1 1, label %end, label %outer
22*9880d681SAndroid Build Coastguard Worker
23*9880d681SAndroid Build Coastguard Workerend:
24*9880d681SAndroid Build Coastguard Worker  ret i8 1
25*9880d681SAndroid Build Coastguard Worker}
26*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: =>
27*9880d681SAndroid Build Coastguard Worker; CHECK: [0] entry => <Function Return>
28*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: [1] outer => end
29*9880d681SAndroid Build Coastguard Worker
30*9880d681SAndroid Build Coastguard Worker; STAT: 2 region - The # of regions
31*9880d681SAndroid Build Coastguard Worker
32*9880d681SAndroid Build Coastguard Worker; BBIT: entry, outer, body, exit172, end,
33*9880d681SAndroid Build Coastguard Worker; BBIT: outer, body, exit172,
34*9880d681SAndroid Build Coastguard Worker
35*9880d681SAndroid Build Coastguard Worker; RNIT: entry, outer => end, end,
36*9880d681SAndroid Build Coastguard Worker; RNIT: outer, body, exit172,
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