xref: /aosp_15_r20/external/llvm/test/Transforms/LICM/AliasSetMemSet.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -loop-deletion -licm -loop-idiom -disable-output
2*9880d681SAndroid Build Coastguard Worker; Check no assertion when loop-idiom deletes the MemSet already analyzed by licm
3*9880d681SAndroid Build Coastguard Workerdefine void @set_array() {
4*9880d681SAndroid Build Coastguard Worker  br i1 false, label %bb3.preheader.lr.ph, label %bb9
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Workerbb3.preheader.lr.ph:                              ; preds = %0
7*9880d681SAndroid Build Coastguard Worker  br label %bb3.preheader
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerbb4:                                              ; preds = %bb4.lr.ph, %bb7
10*9880d681SAndroid Build Coastguard Worker  %j.3.06 = phi i8 [ %j.3.17, %bb4.lr.ph ], [ %_tmp13, %bb7 ]
11*9880d681SAndroid Build Coastguard Worker  br label %bb6
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Workerbb6:                                              ; preds = %bb4, %bb6
14*9880d681SAndroid Build Coastguard Worker  %k.4.04 = phi i8 [ 0, %bb4 ], [ %_tmp9, %bb6 ]
15*9880d681SAndroid Build Coastguard Worker  %_tmp31 = sext i8 %j.3.06 to i64
16*9880d681SAndroid Build Coastguard Worker  %_tmp4 = mul i64 %_tmp31, 10
17*9880d681SAndroid Build Coastguard Worker  %_tmp5 = getelementptr i8, i8* undef, i64 %_tmp4
18*9880d681SAndroid Build Coastguard Worker  %_tmp7 = getelementptr i8, i8* %_tmp5, i8 %k.4.04
19*9880d681SAndroid Build Coastguard Worker  store i8 42, i8* %_tmp7
20*9880d681SAndroid Build Coastguard Worker  %_tmp9 = add i8 %k.4.04, 1
21*9880d681SAndroid Build Coastguard Worker  %_tmp11 = icmp slt i8 %_tmp9, 10
22*9880d681SAndroid Build Coastguard Worker  br i1 %_tmp11, label %bb6, label %bb7
23*9880d681SAndroid Build Coastguard Worker
24*9880d681SAndroid Build Coastguard Workerbb7:                                              ; preds = %bb6
25*9880d681SAndroid Build Coastguard Worker  %_tmp13 = add i8 %j.3.06, 1
26*9880d681SAndroid Build Coastguard Worker  %_tmp15 = icmp slt i8 %_tmp13, 2
27*9880d681SAndroid Build Coastguard Worker  br i1 %_tmp15, label %bb4, label %bb3.bb1.loopexit_crit_edge
28*9880d681SAndroid Build Coastguard Worker
29*9880d681SAndroid Build Coastguard Workerbb3.bb1.loopexit_crit_edge:                       ; preds = %bb7
30*9880d681SAndroid Build Coastguard Worker  %split = phi i8 [ %_tmp13, %bb7 ]
31*9880d681SAndroid Build Coastguard Worker  br label %bb1.loopexit
32*9880d681SAndroid Build Coastguard Worker
33*9880d681SAndroid Build Coastguard Workerbb1.loopexit:                                     ; preds = %bb3.bb1.loopexit_crit_edge, %bb3.preheader
34*9880d681SAndroid Build Coastguard Worker  %j.3.0.lcssa = phi i8 [ %split, %bb3.bb1.loopexit_crit_edge ], [ %j.3.17, %bb3.preheader ]
35*9880d681SAndroid Build Coastguard Worker  br i1 false, label %bb3.preheader, label %bb1.bb9_crit_edge
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerbb3.preheader:                                    ; preds = %bb3.preheader.lr.ph, %bb1.loopexit
38*9880d681SAndroid Build Coastguard Worker  %j.3.17 = phi i8 [ undef, %bb3.preheader.lr.ph ], [ %j.3.0.lcssa, %bb1.loopexit ]
39*9880d681SAndroid Build Coastguard Worker  %_tmp155 = icmp slt i8 %j.3.17, 2
40*9880d681SAndroid Build Coastguard Worker  br i1 %_tmp155, label %bb4.lr.ph, label %bb1.loopexit
41*9880d681SAndroid Build Coastguard Worker
42*9880d681SAndroid Build Coastguard Workerbb4.lr.ph:                                        ; preds = %bb3.preheader
43*9880d681SAndroid Build Coastguard Worker  br label %bb4
44*9880d681SAndroid Build Coastguard Worker
45*9880d681SAndroid Build Coastguard Workerbb1.bb9_crit_edge:                                ; preds = %bb1.loopexit
46*9880d681SAndroid Build Coastguard Worker  br label %bb9
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerbb9:                                              ; preds = %bb1.bb9_crit_edge, %0
49*9880d681SAndroid Build Coastguard Worker  ret void
50*9880d681SAndroid Build Coastguard Worker}
51*9880d681SAndroid Build Coastguard Worker
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