| Alina Sbirlea | 52e97a2 | 2018-08-28 20:41:05 +0000 | [diff] [blame] | 1 | ; RUN: opt < %s -simple-loop-unswitch -disable-output |
| 2 | |
| 3 | ; PR38283 |
| 4 | ; PR38737 |
| 5 | declare void @func_1() |
| 6 | |
| 7 | define void @func_9(i32 signext %arg) { |
| 8 | bb: |
| 9 | br label %bb5 |
| 10 | bb5: ; preds = %bb24, %bb |
| 11 | %tmp3.0 = phi i32 [ undef, %bb ], [ %tmp29, %bb24 ] |
| 12 | %tmp11 = icmp eq i32 %arg, 0 |
| 13 | %tmp15 = icmp eq i32 %tmp3.0, 0 |
| 14 | %spec.select = select i1 %tmp15, i32 0, i32 49 |
| 15 | %tmp1.2 = select i1 %tmp11, i32 %spec.select, i32 9 |
| 16 | %trunc = trunc i32 %tmp1.2 to i6 |
| 17 | br label %bb9 |
| 18 | |
| 19 | bb9: ; preds = %bb5, %bb19 |
| 20 | %tmp2.03 = phi i32 [ 0, %bb5 ], [ %tmp21, %bb19 ] |
| 21 | switch i6 %trunc, label %bb24 [ |
| 22 | i6 0, label %bb19 |
| 23 | i6 -15, label %bb22 |
| 24 | ] |
| 25 | |
| 26 | bb19: ; preds = %bb9 |
| 27 | %tmp21 = add nuw nsw i32 %tmp2.03, 1 |
| 28 | %tmp8 = icmp eq i32 %tmp21, 25 |
| 29 | br i1 %tmp8, label %bb22, label %bb9 |
| 30 | |
| 31 | bb22: ; preds = %bb19, %bb9 |
| 32 | unreachable |
| 33 | |
| 34 | bb24: ; preds = %bb9 |
| 35 | %tmp29 = or i32 %tmp3.0, 1 |
| 36 | br label %bb5 |
| 37 | } |