| Davide Italiano | 0f62eea | 2017-04-24 20:14:11 +0000 | [diff] [blame] | 1 | ; PR28103 |
| 2 | ; Bail out if the two successors are not the header |
| 3 | ; and another bb outside of the loop. This case is not |
| 4 | ; properly handled by LoopUnroll, currently. |
| 5 | |
| 6 | ; RUN: opt -loop-unroll -verify-dom-info %s |
| Davide Italiano | cc7257c | 2017-05-12 15:30:58 +0000 | [diff] [blame] | 7 | ; REQUIRES: asserts |
| Davide Italiano | 0f62eea | 2017-04-24 20:14:11 +0000 | [diff] [blame] | 8 | |
| 9 | define void @tinkywinky(i1 %patatino) { |
| 10 | entry: |
| 11 | br label %header1 |
| 12 | header1: |
| 13 | %indvars.iv = phi i64 [ 1, %body2 ], [ 0, %entry ] |
| 14 | %exitcond = icmp ne i64 %indvars.iv, 1 |
| 15 | br i1 %exitcond, label %body1, label %exit |
| 16 | body1: |
| 17 | br i1 %patatino, label %body2, label %sink |
| 18 | body2: |
| 19 | br i1 %patatino, label %header1, label %body3 |
| 20 | body3: |
| 21 | br label %sink |
| 22 | sink: |
| 23 | br label %body2 |
| 24 | exit: |
| 25 | ret void |
| 26 | } |