xref: /aosp_15_r20/external/llvm/test/Transforms/LICM/PR19798.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -licm -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine void @f() {
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: @f(
5*9880d681SAndroid Build Coastguard Workerentry:
6*9880d681SAndroid Build Coastguard Worker  br label %bb0
7*9880d681SAndroid Build Coastguard Worker
8*9880d681SAndroid Build Coastguard Workerbb0:
9*9880d681SAndroid Build Coastguard Worker  %tobool7 = icmp eq i1 undef, undef
10*9880d681SAndroid Build Coastguard Worker  br label %bb1
11*9880d681SAndroid Build Coastguard Worker
12*9880d681SAndroid Build Coastguard Workerbb1:
13*9880d681SAndroid Build Coastguard Worker  br i1 undef, label %bb0, label %bb0
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workerunreachable:
16*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: unreachable:
17*9880d681SAndroid Build Coastguard Worker; CHECK:   br i1 undef, label %unreachable, label %unreachable
18*9880d681SAndroid Build Coastguard Worker  br i1 %tobool7, label %unreachable, label %unreachable
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Workerbb3:
21*9880d681SAndroid Build Coastguard Worker  unreachable
22*9880d681SAndroid Build Coastguard Worker}
23