xref: /aosp_15_r20/external/llvm/test/Transforms/LoopUnswitch/2010-11-18-LCSSA.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-unswitch
2*9880d681SAndroid Build Coastguard Worker; PR8622
3*9880d681SAndroid Build Coastguard Worker@g_38 = external global i32, align 4
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @func_67(i32 %p_68.coerce) nounwind {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  br i1 true, label %for.end12, label %bb.nph
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerbb.nph:                                           ; preds = %entry
10*9880d681SAndroid Build Coastguard Worker  %g_38.promoted = load i32, i32* @g_38
11*9880d681SAndroid Build Coastguard Worker  br label %for.body
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerfor.body:                                         ; preds = %for.cond, %bb.nph
14*9880d681SAndroid Build Coastguard Worker  %tobool.i = icmp eq i32 %p_68.coerce, 1
15*9880d681SAndroid Build Coastguard Worker  %xor4.i = xor i32 %p_68.coerce, 1
16*9880d681SAndroid Build Coastguard Worker  %call1 = select i1 %tobool.i, i32 0, i32 %xor4.i
17*9880d681SAndroid Build Coastguard Worker  br label %for.cond
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Workerfor.cond:                                         ; preds = %for.body
20*9880d681SAndroid Build Coastguard Worker  br i1 true, label %for.cond.for.end12_crit_edge, label %for.body
21*9880d681SAndroid Build Coastguard Worker
22*9880d681SAndroid Build Coastguard Workerfor.cond.for.end12_crit_edge:                     ; preds = %for.cond
23*9880d681SAndroid Build Coastguard Worker  store i32 %call1, i32* @g_38
24*9880d681SAndroid Build Coastguard Worker  br label %for.end12
25*9880d681SAndroid Build Coastguard Worker
26*9880d681SAndroid Build Coastguard Workerfor.end12:                                        ; preds = %for.cond.for.end12_crit_edge, %entry
27*9880d681SAndroid Build Coastguard Worker  ret void
28*9880d681SAndroid Build Coastguard Worker}
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