| Haicheng Wu | 5cf9909 | 2016-02-17 02:01:50 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -loop-deletion -licm -loop-idiom -disable-output |
| 2 | ; Check no assertion when loop-idiom deletes the MemSet already analyzed by licm |
| 3 | define void @set_array() { |
| 4 | br i1 false, label %bb3.preheader.lr.ph, label %bb9 |
| 5 | |
| 6 | bb3.preheader.lr.ph: ; preds = %0 |
| 7 | br label %bb3.preheader |
| 8 | |
| 9 | bb4: ; preds = %bb4.lr.ph, %bb7 |
| 10 | %j.3.06 = phi i8 [ %j.3.17, %bb4.lr.ph ], [ %_tmp13, %bb7 ] |
| 11 | br label %bb6 |
| 12 | |
| 13 | bb6: ; preds = %bb4, %bb6 |
| 14 | %k.4.04 = phi i8 [ 0, %bb4 ], [ %_tmp9, %bb6 ] |
| 15 | %_tmp31 = sext i8 %j.3.06 to i64 |
| 16 | %_tmp4 = mul i64 %_tmp31, 10 |
| 17 | %_tmp5 = getelementptr i8, i8* undef, i64 %_tmp4 |
| 18 | %_tmp7 = getelementptr i8, i8* %_tmp5, i8 %k.4.04 |
| 19 | store i8 42, i8* %_tmp7 |
| 20 | %_tmp9 = add i8 %k.4.04, 1 |
| 21 | %_tmp11 = icmp slt i8 %_tmp9, 10 |
| 22 | br i1 %_tmp11, label %bb6, label %bb7 |
| 23 | |
| 24 | bb7: ; preds = %bb6 |
| 25 | %_tmp13 = add i8 %j.3.06, 1 |
| 26 | %_tmp15 = icmp slt i8 %_tmp13, 2 |
| 27 | br i1 %_tmp15, label %bb4, label %bb3.bb1.loopexit_crit_edge |
| 28 | |
| 29 | bb3.bb1.loopexit_crit_edge: ; preds = %bb7 |
| 30 | %split = phi i8 [ %_tmp13, %bb7 ] |
| 31 | br label %bb1.loopexit |
| 32 | |
| 33 | bb1.loopexit: ; preds = %bb3.bb1.loopexit_crit_edge, %bb3.preheader |
| 34 | %j.3.0.lcssa = phi i8 [ %split, %bb3.bb1.loopexit_crit_edge ], [ %j.3.17, %bb3.preheader ] |
| 35 | br i1 false, label %bb3.preheader, label %bb1.bb9_crit_edge |
| 36 | |
| 37 | bb3.preheader: ; preds = %bb3.preheader.lr.ph, %bb1.loopexit |
| 38 | %j.3.17 = phi i8 [ undef, %bb3.preheader.lr.ph ], [ %j.3.0.lcssa, %bb1.loopexit ] |
| 39 | %_tmp155 = icmp slt i8 %j.3.17, 2 |
| 40 | br i1 %_tmp155, label %bb4.lr.ph, label %bb1.loopexit |
| 41 | |
| 42 | bb4.lr.ph: ; preds = %bb3.preheader |
| 43 | br label %bb4 |
| 44 | |
| 45 | bb1.bb9_crit_edge: ; preds = %bb1.loopexit |
| 46 | br label %bb9 |
| 47 | |
| 48 | bb9: ; preds = %bb1.bb9_crit_edge, %0 |
| 49 | ret void |
| 50 | } |
| 51 | |